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BEGIN:VEVENT
DTSTART;VALUE=DATE:20150928
DTEND;VALUE=DATE:20151003
DTSTAMP:20260503T072300
CREATED:20150514T123628Z
LAST-MODIFIED:20150514T123628Z
UID:1956-1443398400-1443830399@www.geotraces.org
SUMMARY:22nd ISEB Symposium\, Dynamics of Biogeochemical Systems: Processes and Modeling
DESCRIPTION:22nd International Society for Environmental Biogeochemistry (ISEB) SymposiumDynamics of Biogeochemical Systems: Processes and ModelingDates: 28 September – 2 October 2015Location: Piran\, Slovenia. \nAbstract submission deadline: June 15\, 2015. \nFor futher information: www.iseb22.ijs.si \nGEOTRACES Special Session: \nMarine and coastal environments – Special session: GMOS and GEOTRACES
URL:https://www.geotraces.org/event/22nd-iseb-symposium-dynamics-of-biogeochemical-systems-processes-and-modeling/
CATEGORIES:GEOTRACES Relevant Special Sessions
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20150816
DTEND;VALUE=DATE:20150822
DTSTAMP:20260503T072300
CREATED:20140909T134506Z
LAST-MODIFIED:20140909T134506Z
UID:1917-1439683200-1440201599@www.geotraces.org
SUMMARY:Goldschmidt 2015
DESCRIPTION:Goldschmidt 2015  Dates: 16-21 August 2015 Location: Prague\, Czech Republic \nFor further information: http://goldschmidt.info/2015/index \nGEOTRACES sessions: \n \nTheme 2: Ocean Geochemistry. Present Conditions and Past Variation: fluxes\, reservoirs and processes \n \nCo-ordinators:Geraldine Sarthou (Brest University\, France)Andrew Bowie (University of Tasmania) \n \nTeam members:Katherine Barbeau (Scripps\, USA)\, Kristen Buck (Univ South Florida\, USA)\, Zanna Chase (Institute for Marine and Antarctic Studies\, Austra)\, Rob Middag (Univ Otago\, New Zealand)\, James Moffett (Univ. Southern Carolina\, USA) \n \nOur understanding of the functioning of the Earth system requires a knowledge of the broad spectrum of processes that influence chemical composition\, cycling and transfer of elements in the oceans and their interactions with the atmosphere\, land and crust. Ocean geochemistry aims to link and integrate studies of the modern oceans with work using proxies to define how ocean chemistry and the coupled ocean-atmospheric system has changed through the past on a number of different timescales. Critical to these efforts are considerations of how ocean chemistry influences and responds to biological activity and the impact of anthropogenic activity on the marine environment\, with important outcomes to issues as diverse as climate change and the capacity of the oceans to remove toxic metals. This theme welcomes submissions in a wide range of marine research areas\, including contemporary ocean composition and speciation\, transport processes in the ocean\, air-sea gas exchange\, paleo-oceanography\, to the evolution of the ocean due to environmental forcings such as acidity\, temperature\, and oxygen. \nTheme 2 sessions descriptions (complete abstracts of all presentations are available at Goldschmidt site\, please click on the links below to access the Goldschmidt webpage for each session): \n02a: Trace Metals in the Ocean: Distributions\, Isotopic Variation and SpeciationSession Convenors: Katherine Barbeau (UC San Diego\, Scripps Institution of Oceanography\, USA)\, Andrew Bowie (University of Tasmania)\, Kristen Buck (University of South Florida\, College of Marine Science\, USA)\, Rob Middag (Univ Otago\, New Zealand)\, Christopher Pearce (National Oceanography Centre)\, Phil Pogge von Strandmann (Earth Sciences\, University College London\, UK)\, Géraldine Sarthou (LEMAR CNRS\, Brest\, France). \nAbstract: Many trace elements are critical for marine life. However\, the mechanisms controlling how these metals influence the functioning of ocean ecosystems remain elusive. In conjunction with changes in concentration and speciation\, variations in metal stable isotopes provide enhanced discriminatory power for constraining these biogeochemical cycles\, as each process imparts a unique isotopic signature to the water column. The GEOTRACES program\, which aims to map the world’s oceans for trace elements and isotopes with unprecedented resolution\, combined with a growing inventory of metal isotope systems\, has facilitated rapid progress in this area. This session seeks to bring together scientists from recent oceanographic cruises to integrate results within and between ocean basins\, providing new insights on the behaviour of trace metals in the global ocean. We invite abstracts on all aspects of oceanic trace metal distributions and speciation\, as well as their isotopes (both radiogenic and stable)\, including their application to reconstructing past marine processes such as ocean circulation\, redox conditions and hydrothermal activity. We also encourage inter-calibration studies\, development of new analytical techniques and modelling work. \nKeynote speaker: Gideon Henderson (University of Oxford\, UK)Invited speakers: François Lacan (LEGOS CNRS\, Toulouse\, France) \n02b: Radionuclides in the OceanSession Convenors: Bob Anderson (Lamont-Doherty Earth Observatory\, USA)\, Ken Buesseler (Woods Hole Oceanographic Institution\, USA)\, Pere Masque (Universitat Autònoma de Barcelona) \nAbstract: Natural uranium/thorium series\, cosmogenic and anthropogenic radionuclides\, with their in-built “clocks” and contrasting geochemical properties and biological affinities\, have been instrumental for understanding and quantifying many important questions in oceanographic research. Examples include circulation and mixing of water masses\, particle cycling\, sediment and coral dating\, and fluxes at ocean boundaries\, amongst many other processes.  The Fukushima Dai-ichi disaster has also recently heightened public and policy concerns related to the human health effects of radioactivity attributable to external exposure from ocean contact and internal exposure from seafood consumption. Yet knowledge gaps remain regarding the spatial and depth distributions and the temporal evolution of many radionuclides of importance to both oceanographic and human health issues. This session will bring together scientists that are using radionuclides to better understand processes in the oceans through field based studies\, such as GEOTRACES\, laboratory experiments\, and modeling approaches.  This session will also accept presentations on advances in our methods for sampling and the analysis of ocean radionuclides.  More broadly\, the session will consider presentations on new tools to enhance public understanding of radioactivity\, and the education and training of the next generation of marine radiochemists. \nInvited speakers: Valentí Rodellas (Institut de Ciència i Tecnologia Ambientals\, Universitat Autònoma de Barcelona\, Spain)\, John Smith (Bedford Institute of Oceanography\, Canada)\, Walter Geibert (Alfred Wegener Institute\, Germany) \n \n02c: Past Changes in Ocean Biogeochemistry and Circulation and their Interaction with ClimateSession Convenors: Zanna Chase (Institute for Marine and Antarctic Studies\, Australia)\, Martin Frank (GEOMAR Helmholtz centre for ocean research Kiel\, Germany)\, Norbert Frank (University of Heidelberg\, Germany)\, Katharina Pahnke (ICBM and MPI for Marine Microbiology\, Germany)\, Laetitia Pichevin (University of Edinburgh\, UK)\, Laura Robinson (University of Bristol\, UK)\, Tina van de Flierdt (Imperial College London\, UK)\, Kazuyo Tachikawa (Cerege\, CNRS\, France) \nAbstract: Ocean biogeochemistry and circulation have influenced or even controlled climate on different time scales. Given that historical observations of ocean properties are restricted to the last ~100 years\, it is essential to reconstruct their involvement in Earth’s climate prior to human induced changes.Trace-element and isotope geochemistry offer powerful tools to constrain such changes. For this session we invite contributions addressing past ocean circulation\, productivity and nutrient cycling based on stable\, radiogenic\, or radioactive isotope signatures or other geochemical tracers from millennial to million year time-scales from the recent past to deep time\, from bulk sediment to deep-sea corals. We also encourage contributions that integrate proxy data and models to understand the dynamics of past ocean circulation. \nKeynote speaker: Jess Adkins (California Institute of Technology\, USA)Invited speaker: Ruza Ivanovic (University of Leeds\, UK) \n02d: What are the unifying principles common to all three Oxygen Minimum Zones (OMZs)?Session Convenors: Jim Moffett (Univ. Southern Carolina\, USA)\, Aurélien Paulmier (LEGOS\, France) \nAbstract: Oxygen minimum zones (OMZs) arise from a combination of high productivity on overlying waters and sluggish rates of ventilation within their core\, giving rise to strong oxygen deficits.  In three OMZs (the Arabian Sea\, Eastern Tropical South Pacific\, and Eastern Tropical North Pacific) oxygen is probably effectively zero\, based on recent sensor data.   These are important areas for fixed nitrogen loss on a global scale. Other OMZs\, including the Benguela Upwelling and Bay of Bengal\, are poised to become denitrifying on a large scale but are not so at present. These regions have complex geochemistry and a global significance that extends beyond the nitrogen cycle alone. They are critical domains in which to investigate global change\, with shifts in redox chemistry and their boundaries evident or predicted to occur in the near future. Moreover\, carbon preservation in underlying sediments makes them excellent regimes to study past changes in ocean processes. The purpose of this session is to explore the biogeochemical features common to all OMZs as well as the features that make them different.Many nations have mounted expeditions to study OMZs in recent years\, including several European nations\, Japan\, the USA and states bordering OMZs\, particularly Peru\, Chile and India. Three cruises in the International GEOTRACES program have been staged in denitrifying OMZ regions since 2009\, by Japan\, the USA and India. Researchers from these and other programs\, as well as benthic studies are encouraged to participate in this session. \nKeynote speaker: Bess Ward (Princeton University\, USA)Invited speakers:  Niels Peter Revbesch (University of Aahrus\, Denmark)\, Marcel Kuypers (MPI for Marine Microbiology\, Germany)\, Phyllis Lam (NOCS\, UK)\, Sunil Singh (Physical Research Laboratory\, India) \n02e: Air-Sea Exchange\, the Biological Pump\, and Ocean AcidificationSession Convenors: Steve Emerson (University of Washington\, USA)\, Doug Wallace (Dalhousie University\, Canada) \nAbstract: The pCO2 content of the atmosphere is regulated by exchange with the upper ocean via the solubility and biological pumps.  About one quarter of the anthropogenic CO2 introduced to the atmosphere is ultimately stored in the ocean causing a decrease in pH.  Understanding the physical\, biological and chemical processes controlling the atmosphere-ocean carbon cycle are key to accurate predictions of ocean feedbacks to global warming. While there have been great advances on the relationship between air-sea exchange and wind speed\, mechanisms controlling the fluxes are still uncertain.  Satellite-based estimates of the biological pump predict geographic variations that are not observed in upper-ocean\, mass-balance studies.  The response of ocean pH to the anthropogenic CO2 invasion is nearly certain\, but generalizations about the effects on marine biology are still tenuous.  This session explores recent advances in marine carbon cycle studies in the upper ocean and atmosphere. \nInvited speakers: Henry Bittig (Helmholtz Ctr for Ocean Research\, Kiel\, Germany) and Jan Kaiser (University of East Anglia\, U.K.) \n02f: Biogeochemistry of Arctic and Antarctic sea ice systemsSession Convenors: Jun Nishioka (Univ. Hokkaido\, Japan)\, Delphine Lannuzel (University of Tasmania\, Australia) \nAbstract: Observations have demonstrated that sea ice is biologically and chemically active in the global biogeochemical cycles. However\, Earth system models currently represent sea ice as biologically and chemically inert. The aim of this session is to bring together those working on all aspects of sea ice biogeochemistry to gain a better understanding of the exchanges at the interface between sea ice and the atmosphere and sea ice and the ocean. We particularly encourage presentations on processes involved in the distribution of macro-nutrients\, trace metals and organic carbon\, as well as the uptake and production of climatically-important gases such as CO2\, CH4\, and DMS. \nKeynote speaker: Martin Vancoppenolle (LOCEAN CNRS\, Paris\, France) \n02g: Advances in marine N\, P and Si biogeochemistrySession Convenors: Damien Cardinal (University Pierre and Marie Curie\, LOCEAN\, Paris)\, Albert Colman (University of Chicago\, USA)\, Masha Prokopenko (University of Southern California\, USA)\, Christian März (Newcastle University\, UK) \nAbstract: Nitrogen\, phosphorus and silicon are critical nutrients that help govern net primary production in the oceans and the efficiency of carbon export from the euphotic zone. Though their cycles are coupled\, each element has a very distinct cycle with regard to ocean sources and sinks\, modes of internal recycling and residence times. The biological requirements\, remineralization pathways\, and chemical characteristics (redox state\, solubility\, coupling with carbon) diverge in many important ways\, leading to formation of biogeochemically diverse oceanic regions. In the recent years numerous methodological advances have been developed and several basic concepts revisited with regard to these key macronutrients (e.g. diazotrophy\, Redfield Ratios…). This session will focus on the new insights gained by application of such analytical and modeling approaches. We will particularly encourage contributions dealing with inter-elemental (de)coupling\, multi-spatial scales (from cell to global)\, and/or multi-temporal scales (from geologic past to future). \nKeynote speaker: Laetitia Pichevin (University of Edinburgh\, UK)Invited speakers: Greg de Souza (Princeton University\, USA)\, Kate Hendry (Bristol University\, UK)\, Caroline Slomp (University of Utrecht\, The Netherlands)\, Claire Mahaffey (University of Liverpool\, UK)\, Curtis Deutsch/Tom Weber (University of Washington) \n02s: Goldschmidt 25th Anniversary \nCatherine Jeandel\, GEOTRACES IPO senior scientist\, reviewed the last 25 years of marine geochemistry. Her talk is available to download here.
URL:https://www.geotraces.org/event/goldschmidt-2015/
CATEGORIES:GEOTRACES Relevant Special Sessions
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20150715
DTEND;VALUE=DATE:20150718
DTSTAMP:20260503T072300
CREATED:20141125T163734Z
LAST-MODIFIED:20141125T163734Z
UID:1926-1436918400-1437177599@www.geotraces.org
SUMMARY:2015 GEOTRACES Scientific Steering Committee Meeting
DESCRIPTION:2015 GEOTRACES SSC MeetingfDates: 15-17 July 2015Location: Vancouver\, Canada \n 
URL:https://www.geotraces.org/event/2015-geotraces-scientific-steering-committee-meeting/
CATEGORIES:GEOTRACES Meetings
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20150713
DTEND;VALUE=DATE:20150715
DTSTAMP:20260503T072300
CREATED:20141125T163840Z
LAST-MODIFIED:20141125T163840Z
UID:1927-1436745600-1436918399@www.geotraces.org
SUMMARY:2015 GEOTRACES Data Management Committee Meeting
DESCRIPTION:2015 GEOTRACES DMC MeetingDates:  13-14 July 2015Location: Vancouver\, Canada \n 
URL:https://www.geotraces.org/event/2015-geotraces-data-management-committee-meeting/
CATEGORIES:GEOTRACES Meetings
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20150626
DTEND;VALUE=DATE:20150701
DTSTAMP:20260503T072300
CREATED:20150123T132130Z
LAST-MODIFIED:20150123T132130Z
UID:1939-1435276800-1435708799@www.geotraces.org
SUMMARY:IUGG General Assembly 2015 - IAPSO Symposium
DESCRIPTION:IUGG General Assembly 2015 – IAPSO SymposiumDates: 26-30 June 2015Location: Prague\, Czeck Republic \nFor further information: http://www.iugg2015prague.com/iapso-symposia.htm \nAbstract submission deadline: 31 January 2015 \nGEOTRACES-relevant sessions: \nP12. IIOE to IIOE-2 – Five Decades of Indian Ocean Oceanography: Challenges in Physics and Biogeochemistry of the Indian OceanConveners:  Satheesh Shenoi (Hyderabad\, India)\, Mike McPhaden (Seattle\, USA)\, Yukio Masumoto (Tokyo\, Japan) and Raleigh Hood (Cambridge\, USA). \nThe first coordinated investigation of the Indian Ocean was carried out during the International Indian Ocean Expedition (IIOE) in 1962–65. It consisted of a basin-wide survey that subsequently resulted in a comprehensive hydrographic atlas and number of regional studies\, including the first survey of the seasonally reversing Somali Current. IIOE was planned and executed by the Scientific Committee on Ocean Research (SCOR) and the Intergovernmental Oceanographic Commission (IOC) with the involvement of 20 countries. Forty-six research vessels belonging to 14 countries participated in the basin wide hydrographic surveys. It was an unprecedented interdisciplinary endeavor embracing physical oceanography\, chemical oceanography\, marine biology\, meteorology and marine geology and geophysics. \nIn the 50 years since the IIOE\, many subsequent programs have lead to improvements in our ability to observe the ocean and atmosphere through the deployments of oceanographic and meteorological sensors on Earth-observing satellites and through deployment of in situ instruments like autonomous profiling floats\, moored buoys\, tsunami detection networks\, sea level gauges\, etc. All of them have dramatically improved the characterization of both physical and biological oceanographic variability and the atmospheric forcing of that variability. Together with the improvements in observing\, ocean modeling in all its facets from short-term forecasting to seasonal prediction to climate projections also has improved dramatically. Based on these improvements\, science foci have also been changed from understanding of climatological states to their variability. Hence\, compared to the IIOE era\, which relied almost exclusively on ship-based observations\, new measurement technologies in combination with targeted and well-coordinated field programs provide the capacity for a much more integrated picture of the Indian Ocean variability. This symposium\, on the eve of the 50th Anniversary of the IIOE\, will review the current state of our knowledge about the physics and biogeochemistry of the Indian Ocean and highlight the scientific challenges to be addressed during a second multi-disciplinary\, multi-national Indian Ocean Expedition (IIOE-2) to be carried out over 2015-2020.
URL:https://www.geotraces.org/event/iugg-general-assembly-2015-iapso-symposium/
CATEGORIES:GEOTRACES Relevant Special Sessions
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20150614
DTEND;VALUE=DATE:20150620
DTSTAMP:20260503T072300
CREATED:20150129T152055Z
LAST-MODIFIED:20150129T152055Z
UID:1940-1434240000-1434758399@www.geotraces.org
SUMMARY:12th International Conference on Mercury as a Global Pollutant
DESCRIPTION:12th International Conference on Mercury as a Global Pollutant Dates: 14 – 19 June 2015Location: Jeju\, Korea \nFor further information: http://mercury2015.com \nGEOTRACES-related Session: \n17. Integrating marine observational studies and model developmentConveners: Anne Laerke Soerensen & Lars-Eric Heimbürger \nOn a global scale the primary mercury exposure pathway for humans is via the consumption of marine fish that bioaccumulates methylmercury. The marine production of methylmercury is thought to be related to the bacterial degradation of organic matter and inorganic mercury availability. Anthropogenic mercury emissions have increased the oceanic mercury reservoir\, and thereby lead to increased methylmercury production and human exposure. Models simulating mercury biogeochemistry and transport in the oceans have been developed\, yet few oceanic observations have so far been available to evaluate model performance. Moreover\, marine mercury observations in most oceans have shown large decreases over the past decades. This may be related to decreased anthropogenic mercury inputs to the oceans or to better analytical performances. In this session we would like to confront recent model results with the latest field observations as well as define knowledge gaps and future research needs for combined observation – model assessments. We invite talks concerning mercury cycling and speciation in the oceans\, ideally\, but not limited to model approaches and field data. \n Conference Workshops: \nGEOTRACES Intercalibration exercises for Hg species in seawater discussion forumConveners: Lars-Eric Heimbürger \nMercury is one of the least concentrated elements in the oceans. We need to be able to measure\, understand and interpret variability in mercury concentrations in the ocean\, which is often as low as some 10 percent. We organized international intcalibration exercises for total mercury and total methylmercury determination in sea water collected during the 2013 Dutch GEOTRACES MedBlack cruise (GA04- Black Sea) and the 2014 French GEOTRACES GEOVIDE (GA01- North Atlantic Ocean). Both exercises were intended to primarily evaluate the analytical performance of each participating laboratory. Therefore each laboratory received a single sample bottle of similar size\, that has undergone the same cleaning procedure prior to sampling\, and each sample was preserved in the same manner. The 2013 exercise was intended as a broader screening with a maximum number (25) of participating laboratories. Results indicated substantial disagreement between the participating laboratories\, for both total mercury and methylmercury determinations. For the 2014 exercise we could only invite 10 laboratories. Intercomparability of the second exercise was considerably better\, but needs to be further improved in the years to come. For this workshop we invite the participants of the of those and previous GEOTRACES intercalibration exercises as well as scientists interested in marine mercury and low level measurements. Together\, we will examine the results of both intercalibration exercises in detail\, attempt to explain causes for disagreements\, and develop ideas for future developments to achieve traceable mercury measurements in the oceans.
URL:https://www.geotraces.org/event/12th-international-conference-on-mercury-as-a-global-pollutant/
CATEGORIES:GEOTRACES Relevant Special Sessions
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20150610
DTEND;VALUE=DATE:20150612
DTSTAMP:20260503T072300
CREATED:20150223T105406Z
LAST-MODIFIED:20150223T105406Z
UID:1945-1433894400-1434067199@www.geotraces.org
SUMMARY:US GEOTRACES Scientific Steering Committee meeting
DESCRIPTION:US GEOTRACES SSC meetingDates: 10-11 June 2015Location: US National Science Foundation
URL:https://www.geotraces.org/event/us-geotraces-scientific-steering-committee-meeting-2/
CATEGORIES:GEOTRACES Meetings
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20150526
DTEND;VALUE=DATE:20150528
DTSTAMP:20260503T072300
CREATED:20150311T093149Z
LAST-MODIFIED:20150311T093149Z
UID:1952-1432598400-1432771199@www.geotraces.org
SUMMARY:GEOVIDE (GA01) post cruise meeting
DESCRIPTION:GEOVIDE (GA01) post cruise meetingDates: 26-27 May 2015Location: IUEM\, Brest\, France \nAgenda and Participants List \nThe Agenda and Participant List are available to download.
URL:https://www.geotraces.org/event/geovide-ga01-post-cruise-meeting/
CATEGORIES:GEOTRACES Cruise Workshops
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20150330
DTEND;VALUE=DATE:20150401
DTSTAMP:20260503T072300
CREATED:20150311T092829Z
LAST-MODIFIED:20150311T092829Z
UID:1950-1427673600-1427846399@www.geotraces.org
SUMMARY:MedBlack GEOTRACES (GA04) post cruise meeting
DESCRIPTION:MedBlack GEOTRACES post cruise meetingDate: 30-31 March 2015Location: Royal NIOZ\, Texel\, Netherlands
URL:https://www.geotraces.org/event/medblack-geotraces-ga04-post-cruise-meeting/
CATEGORIES:GEOTRACES Cruise Workshops
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20150323
DTEND;VALUE=DATE:20150328
DTSTAMP:20260503T072300
CREATED:20140410T125109Z
LAST-MODIFIED:20140410T125109Z
UID:1896-1427068800-1427500799@www.geotraces.org
SUMMARY:3rd International Symposium on "Effects of Climate Change on the World's Oceans"
DESCRIPTION:3rd International Symposium on the Effects of Climate Change on the World’s OceansDates: 23-27 March 2015Location: Santos\, Brazil \n \nFor further information: http://www.pices.int/meetings/international_symposia/2015/2015-Climate-Change/scope.aspx \n \nGEOTRACES-related session: \n \nS3. Changing Ocean Chemistry: From Trace Elements and Isotopes to Radiochemistry and Organic Chemicals of Environmental ConcernCo-chairs: Angelica Peña (Institute of Ocean Sciences\, Department of Fisheries and Oceans\, Canada) and Geraldine Sarthou (LEMAR\, IUEM\, Brest\, France) \n \nPlenary Speaker:Micha Rijkenberg (Royal Netherlands Institute for Sea Research\, The Netherlands) \n \nInvited Speaker:Maeve Lohan (School of Geography\, Earth and Environmental Sciences\, University of Plymouth\, UK) \n \nOcean chemistry has changed during the Anthropocene. International efforts such as GEOTRACES have improved scientific understanding of the marine biogeochemical cycles and distributions of trace element\, isotopes and organic chemicals in the marine environment\, and their synergistic relationships with anthropogenic drivers and climate change. This session invites presentations on assessments and understanding of changes in ocean chemistry including trace elements\, isotopes\, radiochemistry and organic chemicals of environmental concern. Areas of focus include (1) historical and future trends in ocean chemistry and synergistic relationships with marine biogeochemistry and ecosystems; (2) scientific outcomes of recent work on the marine biogeochemical cycles of trace elements\, isotopes\, radiochemistry and organic chemicals\, and measurements of change in ocean chemistry (e.g.\, iron\, mercury\, lead\, organic chemicals\, petroleum\, and plastics); and (3) future challenges facing the study of changes in ocean chemistry associated with anthropogenic drivers and climate change.
URL:https://www.geotraces.org/event/3rd-international-symposium-on-effects-of-climate-change-on-the-worlds-oceans/
CATEGORIES:GEOTRACES Relevant Special Sessions
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20150321
DTEND;VALUE=DATE:20150323
DTSTAMP:20260503T072300
CREATED:20150203T100059Z
LAST-MODIFIED:20150203T100059Z
UID:1944-1426896000-1427068799@www.geotraces.org
SUMMARY:GEOTRACES Brazil Workshop
DESCRIPTION:GEOTRACES Brazil MeetingDates: 21 – 22 March 2015Location: Santos\, Brazil \nDownload the Final Statement \n The specific objectives of this workshop are: \ni. Promote a broad discussion on the infrastructure demands (laboratory and research vessels)\, training and tools to implement the study of trace elements in ocean waters by the Brazilian research community;  \nii. Promote and improve the quality of scientific production in chemical oceanography\, especially focused on the study of TEIs in the oceans;  \niii. Initiate a GEOTRACES BRAZIL collaboration network; \niv. Identify opportunities for technology transfer\, training and international collaborations to increase the capacity of Brazilian scientists to undertake GEOTRACES-related research.  \nFor further information\, please contact Vanessa Hatje.
URL:https://www.geotraces.org/event/geotraces-brazil-workshop/
CATEGORIES:GEOTRACES Scientific Workshops
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20150222
DTEND;VALUE=DATE:20150228
DTSTAMP:20260503T072300
CREATED:20140625T085759Z
LAST-MODIFIED:20140625T085759Z
UID:1912-1424563200-1425081599@www.geotraces.org
SUMMARY:ASLO 2015\, Aquatic Sciences Meeting
DESCRIPTION:ASLO 2015\, Aquatic Sciences MeetingDates: 22-27 February 2015Location: Granada\, Spain \nFor further information: http://www.aslo.org/meetings/index.html \nGEOTRACES sessions: \n142 – Chemical Oceanography/GEOTRACESOrganizer: Andrea Kochinsky\, Jacobs University Bremen. \n \n037 – The Molecular Ecology of Metal-Microbe Interactions in the Ocean EnvironmentOrganizers: Robert Strzepek\, The Australian National University; Maite Maldonado\, The University of British Columbia; and Yeala Shaked\, The Hebrew University in Jerusalem. \nTrace metals are essential for life\, catalysing key cellular reactions such as photosynthesis and nutrient assimilation at the molecular level. The interactions between trace metals and ocean biota are reciprocal: not only do the metals control the productivity and distribution of microbes\, but also these organisms regulate the distributions\, chemical speciation\, and the biogeochemical cycling of these metals. With the advent of new high-resolution geochemical data from the international GEOTRACES program (www.geotraces.org)\, it is timely to consider recent advances in our understanding of the diversity of ways that the ocean biota acquire\, use\, and cycle trace elements in the ocean. There has been an explosive expansion of techniques in analytical chemistry\, molecular biology\, physiology and “omics” that has the potential to develop a mechanistic understanding of trace metal acquisition\, cellular function\, and the interactive effects of metals with changing environmental factors\, such as light\, temperature and pH. This session invites contributions that consider trace metal-biota interactions from a variety of perspectives. Presentations that strive to develop a mechanistic understanding of key cellular processes involving metals are encouraged. \n \nGEOTRACES-relevant sessions: \n \n014 – Atmospheric Deposition Effects in Aquatic Ecosystems Organizers: Francesc Peters\, Institut de Ciéncies del Mar (CSIC)\, Barak Herut\, National Institute of Oceanography\, Adina Paytan\, Institute of Marine Sciences\, Cecile Guieu\, Laboratoire d’oceanographie de Villefranche\, Ana M Aguilar-Islas\, University of Alaska Fairbanks\, Clifton Buck\, Skidaway Institute of Oceanography and Simon Usher\, University of Plymouth. \nAtmospheric aerosols including mineral dust\, anthropogenic particles\, gases and particles from volcanic eruptions\, and biogenic materials are continuously deposited into water bodies throughout the world. The deposition of aerosols into aquatic systems contributes many dissolved and particulate constituents including inorganic nutrients\, organic matter\, trace metals\, toxins\, pollen\, spores\, bacteria and viruses. These inputs change the chemistry and impact the ecosystems of receiving waters\, including the dynamics of phytoplankton and bacteria. The impacts vary considerably depending on the sources\, composition and bioavailability of the aerosols\, the chemical\, biological and ecological characteristics of the receiving water body and the timing of deposition. We welcome contributions studying the effects of aerosols of diverse origin in aquatic systems\, especially in relation to ecosystem dynamics and functioning and the interplay with global changes. Approaches may include experimentation\, observations\, and theoretical and modeling efforts with timeframes comprising from ecological to geological scales.
URL:https://www.geotraces.org/event/aslo-2015-aquatic-sciences-meeting/
CATEGORIES:GEOTRACES Relevant Special Sessions
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20150126
DTEND;VALUE=DATE:20150129
DTSTAMP:20260503T072300
CREATED:20141223T074423Z
LAST-MODIFIED:20220330T070622Z
UID:1932-1422230400-1422489599@www.geotraces.org
SUMMARY:GEOTRACES Standards and Intercalibration Committee Meeting
DESCRIPTION:GEOTRACES Standards and Intercalibration Committee MeetingDates: 26-28 January 2015Location: NUI\, Galway\, Ireland
URL:https://www.geotraces.org/event/geotraces-standards-and-intercalibration-committee-meeting-2/
CATEGORIES:GEOTRACES Meetings
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20150112
DTEND;VALUE=DATE:20150115
DTSTAMP:20260503T072300
CREATED:20150116T085108Z
LAST-MODIFIED:20150116T085108Z
UID:1936-1421020800-1421279999@www.geotraces.org
SUMMARY:US GEOTRACES Arctic Cruise Logistics Workshop
DESCRIPTION:US GEOTRACES Arctic Cruise Logistics WorkshopDates: 12-14 January 2015Location: Miami\, Florida\, USA \nAgenda \nThe Agenda is available to download. \nList of participants \nThe List of participants is available to download.
URL:https://www.geotraces.org/event/us-geotraces-arctic-cruise-logistics-workshop/
CATEGORIES:GEOTRACES Cruise Workshops
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20141215
DTEND;VALUE=DATE:20141220
DTSTAMP:20260503T072300
CREATED:20140415T092054Z
LAST-MODIFIED:20140415T092054Z
UID:1898-1418601600-1419033599@www.geotraces.org
SUMMARY:American Geophysical Union Fall 2014 Meeting
DESCRIPTION:American Geophysical Union Fall 2014 MeetingDates: 15-19 December 2014Location:  San Francisco\, California\, USA \n \nAbstract deadline: 6 August 2014 \n \nFor more information: http://fallmeeting.agu.org/2014/ \nGEOTRACES sessions: \n \nTrace Element and Isotope Cycling in the Coastal Environment – 40 Years of InnovationsConveners: Greg Cutter and Pete Sedwick \n \nIt could be argued that the first comprehensive treatise on chemical oceanography in coastal environments – estuaries\, salt marshes\, and shelf waters – was found in the 1975 book “Marine Chemistry in the Coastal Environment.” In the almost 40 years since this publication\, tremendous developments in sampling and analytical methods\, treating the coastal zone as a coupled atmosphere\, water column\, and sediment system\, and advanced modeling and simulation approaches have radically changed how we view these environments. Now that global investigations like GEOTRACES of trace elements and isotopes are including ocean margins\, it is timely to discuss the most recent insights into the biogeochemical functioning of the coastal zone. We are soliciting presentations on the cycling of trace elements and isotopes between the atmosphere (aerosols/dry and wet deposition; gas exchange)\, water column\, and sediments of the diverse coastal regime. \n \n-> In point of fact\, this session will be in honor of Dr. Tom Church (who edited the Marine Chemistry in the Coastal Environment book) upon his retirement from the University of Delaware. We will be having a retirement party for Tom the evening of the session as well\, so I encourage you to submit an abstract on any aspect of your work that has\, whether planned or not\, relevance to the broad spectrum of coastal zone research Tom has touched – trace elements\, radionuclides\, atmospheric deposition\, sediments\, water column\, etc. Then come to the party\, which as many of you know from the Hawaii Ocean Sciences Meeting\, I’m good at hosting! \n \nTrace metals and isotopes in the Eastern Tropical South Pacific: Results of the 2013 US GEOTRACES Zonal Transect and complimentary studies  Conveners: Jim Moffett\, Chris German and Martin Frank \n \nThe second US GEOTRACES sectional cruise was staged in 2013: a zonal transect from the Peruvian Coast to the central South Pacific. It included (1) the Peruvian Oxygen Minimum Zone (OMZ)\, (2) a vast oligotrophic region of the upper water column\, and (3) an extensive hydrothermal plume originating from the East Pacific Rise.  Approximately 25 research groups were involved in the cruise\, with samples collected for all key GEOTRACES parameters plus additional redox-sensitive tracers. The objectives were to understand the cycling of trace elements and isotopes in the highly diverse\, overlapping regimes surveyed within the transect.  Submissions are invited from participants in the US GEOTRACES program\, from other programs in the region (e.g. the German SFB754) with complimentary objectives – including related process studies – and from workers who have become involved in any aspects of data synthesis and modelling after the cruise was completed. \n \nGEOTRACES-related sessions: \n \nProductivity Proxies: New Developments and Records  Conveners: Fatima Abrantes\, Bob Anderson and Heather Stoll \nThe role of the ocean in the global carbon cycle is greatly mediated by microorganisms through primary productivity and C export\, the so-called biological pump. Understanding the sensitivity of the process and quantifying C export variability associated with past climatic conditions is fundamental to forecast how primary productivity may respond to the changing conditions generated by a CO2 increase in the atmosphere. To help reconstruct the response of the biological pump to past perturbations in forcing we need reliable\, varied and independent proxies for: the oceanic physical state\, nutrient availability and utilization\, primary production and export\, and\, burial conditions. Many have been proposed through the years; however\, problems with their utilization have also been identified. The plan for this session is to attain an overview of the recent progress in the creation of primary productivity related proxies\, as well as recently generated past records. \n \n-> Many of the trace elements and isotopes studied by GEOTRACES have been exploited as proxies of past changes in ocean biological productivity\, nutrient utilization and water chemistry. We encourage presentations on the development\, testing and application of these proxies. \n \nBiogeochemical cycling of silicon in coastal transition zonesConveners: Claudia Ehlert\, Patricia Grasse\, Daniel J Conley and Mark A Brzezinski \n \nThis session focuses on the bio(geo)chemical cycling of silicon between sources\, sinks and within the dynamic transition zones\, associated with the transformation of Si during transport from the freshwater to the marine environment. There are large variations in Si cycling in rivers and in estuaries\, in the contributions of groundwater and pore water discharge to Si cycling in coastal regions\, and within coastal zones themselves that result in large uncertainties in the global budget of silicon and in whether the silicon cycle in the ocean is in steady state. While this session emphasizes on the silicon cycle\, other data (e.g. trace elements like cadmium\, zinc\, iron\, aluminum\, etc) that elucidate the main processes and interactions between macro- and micro- nutrients within transition zones are also welcome. We explicitly solicit contributions from both isotope analyses as well as concentration studies with a focus on field study results. \nThe Biogeochemical Cycling of Mercury in the Coastal and Open OceanConveners: Robert P Mason and Arthur Russell Flegal \n \nThe ocean plays an important role in the global mercury cycle being the long-term sink for mercury emitted to the atmosphere\, and air-sea exchange influences its residence time in the biosphere. Ocean fish are the major route for human exposure to methylmercury\, an important health concern. Many processes are involved in the transformation of inorganic mercury to methylmercury asnd there is still uncertainty concerning the primary locations of its net methylation and bioaccumulation. The focus of this session is therefore presentations concerning mercury inputs into the marine environment\, and the factors influencing the transformation (methylation\, demethylation\, oxidation and reduction)\, both biotic and abiotic\, and fate in coastal and offshore waters\, and methylmercury bioaccumulation into the marine food chain. Papers describing new laboratory studies\, field investigations and/or modeling in coastal and offshore environments are welcome\, as are papers using stable isotope signatures or other innovative approaches\, or exploring global change implications. \n \nPast Ocean DynamicsConveners: Joerg Albert Lippold\, Luke Skinner and Sam Jaccard \n \nThe oceans have played a major role in amplifying past climate variability and causing shifts between regional\, and perhaps global\, climate states. In particular the meridional overturning circulations play an instrumental role in climate variability on a range of time scales\, by storing and redistributing heat\, fresh water\, carbon and nutrients.Trace-element and isotope geochemistry (including radiocarbon) are powerful tools to constrain past changes in the distribution of water masses as well as the dynamics of past ocean circulation However\, consensus on the occurrence\, intensity and precise timing of past variations in the large-scale overturning circulation rate\, for example during past abrupt or glacial-interglacial climate change\, remains lacking. For this session we invite contributions addressing past ocean circulation change on millennial to glacial/interglacial timescales. We particularly encourage contributions involving inter-proxy comparisons and/or that integrate proxy data and models toward a quantitative understanding of past ocean circulation dynamics. \n 
URL:https://www.geotraces.org/event/american-geophysical-union-fall-2014-meeting/
CATEGORIES:GEOTRACES Relevant Special Sessions
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20141027
DTEND;VALUE=DATE:20141101
DTSTAMP:20260503T072300
CREATED:20140512T081228Z
LAST-MODIFIED:20140512T081228Z
UID:1902-1414368000-1414799999@www.geotraces.org
SUMMARY:24th Earth Sciences meeting
DESCRIPTION:24th Earth Sciences meetingDates: 27-31 October 2014Location: Pau\, France \nFor futher information: http://rst2014-pau.sciencesconf.org \nGEOTRACES related sessions: \nSession 8.7 Biogeochemical cycling of contaminants in the ArcticOrganizers: Lars-Eric Heimburger (GET\, Toulouse\, France) and Aurélien Dommergue (LGGE\, Grenoble\, France) \nAbstract: In the past fifteen years\, a new instrumentation has opened the door to the analysis of stable isotopes of light elements such as non-traditional Li\, Mg or Ca\, but also and mainly transition elements such as Fe\, Cu\, Zn or other heavier elements. Biogeochemical processes are responsible for some of the most important isotopic composition variations among those identified so far for these elements. The ability to unravel processes controlling the mobility\, bioavailability and biogeochemical cycling of essential and potentially toxic elements in the terrestrial environment has become a hot scientific topic. This session is an opportunity to make an updated inventory on the use of the isotopic composition of these elements and to show the latest developments\, especially in the biogeochemical field. \n  \nSession 8.5: Advances in mercury biogeochemistryOrganizers: Jeroen Sonke (GET\, Toulouse) and David Amouroux (LCABIE\, IPREM\, Pau) \n \nAbstract: Half a century of mercury research has provided scientists and policy makers with detailed understanding of mercury toxicology\, biogeochemical cycling and past and future impacts on human exposure. The complexity of the global biogeochemical mercury cycle has led to repeated and ongoing paradigm shifts in numerous mercury related disciplines and outstanding questions remain. In this session we invite contributions that target those outstanding questions on the biogeochemical cycling of mercury. \n 
URL:https://www.geotraces.org/event/24th-earth-sciences-meeting/
CATEGORIES:GEOTRACES Relevant Special Sessions
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20141008
DTEND;VALUE=DATE:20141011
DTSTAMP:20260503T072300
CREATED:20131219T141210Z
LAST-MODIFIED:20131219T141210Z
UID:1889-1412726400-1412985599@www.geotraces.org
SUMMARY:2014 GEOTRACES Scientific Steering Committee Meeting
DESCRIPTION:2014 GEOTRACES SSC MeetingDates: 8-10 October 2014 Location: Stellenbosch\, South Africa \n The logistical information is available to download. This document includes information about the venue\, locations and transport.
URL:https://www.geotraces.org/event/2014-geotraces-scientific-steering-committee-meeting/
CATEGORIES:GEOTRACES Meetings
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20141006
DTEND;VALUE=DATE:20141008
DTSTAMP:20260503T072300
CREATED:20131219T141407Z
LAST-MODIFIED:20131219T141407Z
UID:1890-1412553600-1412726399@www.geotraces.org
SUMMARY:2014 GEOTRACES Data Management Committee Meeting
DESCRIPTION:2014 GEOTRACES DMC MeetingDates:  6-7 October 2014Location: Stellenbosch\, South Africa \n 
URL:https://www.geotraces.org/event/2014-geotraces-data-management-committee-meeting/
CATEGORIES:GEOTRACES Meetings
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20141006
DTEND;VALUE=DATE:20141007
DTSTAMP:20260503T072300
CREATED:20140926T133440Z
LAST-MODIFIED:20140926T133440Z
UID:1921-1412553600-1412639999@www.geotraces.org
SUMMARY:GEOTRACES Public Lecture
DESCRIPTION:GEOTRACES Public LectureDate: 6 October 2014Location: Lecture Hall LS2B\, Leslie Social Science Building\, University of Cape Town\, South Africa. \nDownload the flyer.
URL:https://www.geotraces.org/event/geotraces-public-lecture/
CATEGORIES:GEOTRACES Training Activities
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20141003
DTEND;VALUE=DATE:20141005
DTSTAMP:20260503T072300
CREATED:20140701T133903Z
LAST-MODIFIED:20140701T133903Z
UID:1914-1412294400-1412467199@www.geotraces.org
SUMMARY:The Seasonal Dynamics of Iron supply\, biological consumption and cycling in the Southern Ocean
DESCRIPTION:The Seasonal Dynamics of Iron supply\, biological consumption and cycling in the Southern Ocean WorkshopDates: 3-4 October 2014Location: Cape Town\, South Africa \nThe Agenda of the Workshop is available to download.
URL:https://www.geotraces.org/event/the-seasonal-dynamics-of-iron-supply-biological-consumption-and-cycling-in-the-southern-ocean/
CATEGORIES:GEOTRACES Scientific Workshops
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20140728
DTEND;VALUE=DATE:20140802
DTSTAMP:20260503T072300
CREATED:20140109T101750Z
LAST-MODIFIED:20140109T101750Z
UID:1891-1406505600-1406937599@www.geotraces.org
SUMMARY:AOGS 2014\, Asia Oceania Geosciences Society Annual Meeting
DESCRIPTION:Asia Oceania Geosciences Society 11th Annual Meeting (AOGS 2014)Dates: 28 July to 01 August\, 2014Location: Sapporo\, Hokkaido (Japan)Abstract deadline: 11 February 2014 \n \nFor further information: http://www.asiaoceania.org/aogs2014/public.asp?page=home.htm \nGEOTRACES sessions: \n \n*OS01: Trace elements and their isotopes in the ocean: GEOTRACES activities in Asia and Oceania \nMain Convener: Dr. Yoshiki Sohrin (Kyoto University\, Japan) \nCo-convener(s): Dr. Tung-Yuan Ho (Academia Sinica\, Taiwan)\, Dr. Pinghe Cai (Xiamen University\, China)\, Prof. Man Sik Choi (Chungnam National University\, Korea\, South). \n \nOceanic trace elements and their isotopes (TEIs) are promising tracers and proxies for important geochemical and biogeochemical processes in the modern and ancient oceans. The global distributions of TEIs have been extensively studied during the past decade\, mostly attributed to the sponsorship and support of an active international program\, GEOTRACES. Some of the TEIs data obtained at crossover stations by different research groups globally have already been intercalibrated and validated by GEOTRACES committee and the validated data will be reported in the Intermediate Data Product in early 2014. The contributions of Asian and Oceania countries to GEOTRACES related studies would be essential for the success of GEOTRACES programme. This session aims to bring together GEOTRACES related studies in Asia and Oceania to enhance and promote the related research in the region. Contributions from other regions are also welcome.
URL:https://www.geotraces.org/event/aogs-2014-asia-oceania-geosciences-society-annual-meeting/
CATEGORIES:GEOTRACES Relevant Special Sessions
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20140623
DTEND;VALUE=DATE:20140625
DTSTAMP:20260503T072300
CREATED:20140410T132608Z
LAST-MODIFIED:20140410T132608Z
UID:1897-1403481600-1403654399@www.geotraces.org
SUMMARY:US GEOTRACES Scientific Steering Committee meeting
DESCRIPTION:US GEOTRACES SSC meetingDates: 23-24 June 2014Location: US National Science Foundation
URL:https://www.geotraces.org/event/us-geotraces-scientific-steering-committee-meeting/
CATEGORIES:GEOTRACES Meetings
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20140608
DTEND;VALUE=DATE:20140614
DTSTAMP:20260503T072300
CREATED:20130731T093642Z
LAST-MODIFIED:20130731T093642Z
UID:1874-1402185600-1402703999@www.geotraces.org
SUMMARY:Goldschmidt 2014
DESCRIPTION:Goldschmidt 2014  Dates: 8-13 June 2014Location: Sacramento\, California\, USA \nFor further information: http://goldschmidt.info/2014/index \nGEOTRACES Town Hall: \n \nGEOTRACES Intermediate Data Product  (Included in the student events programme)Tuesday 10th June 12:30-14:00  Location: Restaurant\, Cafeteria 15L (View on map) – Capacity 100 persons. \n \nThe first GEOTRACES intermediate data product is now freely available on-line. The nature of the data made available\, the data policy\, and the procedure to access the data will be described. GEOTRACES (www.geotraces.org) is an international study of the marine biogeochemical cycles of trace elements and their isotopes. 654 stations (50 cruises) have been sampled resulting in 800 data sets. A question and answer session will follow a presentation of selected results and new data visualization tools. \nLunch boxes will be provided to the first 50 student participants and USB sticks containing the eGEOTRACES Atlas will be offered to the first 80 participants. \n  \nGEOTRACES sessions: \n \n17e: Trace Elements\, Microbes\, and Biogeochemical Cycles in the Ocean EnvironmentCo-convenors: Kathy Barbeau\, Maite Maldonado\, Benjamin Twining \n \nThe relationships between trace metals and biota in the oceans are interactive\, wide-ranging and can be perceived at molecular to ecosystem scales\, with multiple connections to and consequences for the biogeochemical cycling of carbon and nitrogen. Developments in this field are being led by advances in analytical chemistry\, nanotechnology\, molecular biology\, and bioinformatics as well as the expansion of ‘omics’-related observations of in-situ microbial communities and the advent of expansive new high resolution geochemical data sets via the international GEOTRACES program (www.geotraces.org). This session invites contributions which highlight trace metal-biota interactions and trace metal biogeochemistry in the oceans from a variety of perspectives. Presentations that include observations from ocean transects\, process studies\, laboratory or field-based incubation experiments and integration into models are encouraged. \n \n16g: Sources\, sinks and stores: integrating isotope and geochemical proxies for past and present surface processes\, from elementary reactions to global changeCo-convenors: Tim Conway\, Penelope Lancaster\, Damien Lemarchand\, Sunil Singh\, Sambuddha Misra \n \nInteractions between water and rock control the chemistry of surface waters as well as the sedimentary and oceanic geochemical budget over a range of time scales\, with global implications for pressing environmental and energy questions. Recent improvements in high resolution analytical tools\, especially geochemical and isotopic techniques by multi-collector ICP-MS\, have advanced our understanding of these critical processes in disciplines as diverse as the ultra-low concentration constituents of seawater\, the provenance of sediments and the mechanisms of chemical and physical weathering. This session invites state-of-the-art contributions which address critical uncertainties in our ability to interpret the recent abundance of geochemical data in three key areas: 1) Production and transport of sediments\, including new isotopic and geochemical proxies for weathering rates (non-traditional stable isotopes like Li\, Be\, B\, Mg\, Ca\, Si\, Fe\, Mo\, U- and Th-series\, isotopologues etc.); 2) isotopic and elemental fluxes to\, from and within the ocean\, and their influence on the composition of marine sediments and seawater dissolved isotope budgets (modeling/datasets focusing on novel marine isotope systems e.g. Cu\, Cd\, Zn\, Fe\, Ni etc.\, especially studies from the GEOTRACES program); and 3) interpreting sedimentary records\, particularly studies which link highly-sophisticated single-grain analyses of heavy minerals (zircon\, rutile\, apatite\, feldspar) to provenance and transport of sediment from source to sink. \n \nGEOTRACES-related sessions: \n \n14e: Climate and Biogeochemistry of Cryosphere EnvironmentsCo-convenors: Lori Ziolkowski\, Amy Townsend\, Ashley Dubnick\, Anders Carlson\, Sarah Aciego\, Alexandre Anesio\, Jill Mikucki \n \nGrowing observations indicate dramatic changes in the cryosphere. The cryosphere includes frozen environments derived from sources of freshwater (glacial and ice-sheet ice\, snow\, lake ice)\, salt water (sea ice\, ice shelves\, saline lakes) and soil (permafrost). In this session we focus on three important aspects of the cryosphere: • Ice sheets as agents that influence sea level\, and regional to global climate on orbital\, millennial\, centennial and anthropogenic timescales. Their dynamics need to be understood in the context of past climate changes; we will present new research across geomorphology\, glaciology\, geochemistry and oceanography that link paleoclimate information with ice sheet extent\, volume\, subglacial environments and regional and global climate change. • The history and ultimate fate of carbon released from arctic and alpine environments with implications for climate feedbacks in a warming world. We will present new research at the intersection of atmospheric\, oceanic and terrestrial chemistry including novel analytical techniques\, modeling and field measurements that study the carbon cycling of arctic and alpine environments. • Microbial organisms that have survive long-term encasement in an ice matrix and\, in some cases\, adapted to metabolize and even thrive within the ice. Evidence for their ability to influence the formation and decay of icy interfaces and to play important roles in the cycling of carbon and other climate is increasing. The inhabitants of Earth’s cryosphere also provide model systems for considering the evolution of life during Snowball Earth and possible analogs for life on other icy planets and moons. This session will bring together biologists\, biogeochemists\, glaciologists and astrobiologists to debate the most recent advances in understanding the habitation of ice on Earth — past\, present and possibly beyond. \n \n17a: Natural and Anthropogenic Impacts on Ocean Chemistry (Nutrients\, Oxygen and the Biological Pump)Co-convenors: Cecile Guieu\, Linn Hoffman\, Martha Gledhill\, Jay Cullen \nThe colloidal phase of estuarine and marine waters\, the interface between truly soluble and particulate matter\, remains one of the greatest enigma’s in the study of marine biogeochemistry. Methods for studying this phase are operational and for the most part differ among studies\, so with few exceptions then there are no means for quantitatively comparing findings. The colloidal phase itself comprises organic and inorganic materials\, and it seems clear that the relative distribution of these phases changes spatially and temporally\, even in oceanic environments. Sources comprise terrestrial outflow\, aerosols (either direct or indirect)\, and in-situ processes. Although in some cases colloid aggregation has been demonstrated to facilitate the removal of “dissolved” substances\, it also appears able to buffer truly soluble essential metals for phytoplankton growth (e.g.\, Fe). The aim of this session is to bring together those working on all aspects of marine-related colloids to gain a better understanding of our current state of knowledge of the marine colloidal phase. We particularly encourage presentations on the sources and processes affecting colloidal abundance and composition\, and their effects on marine biogeochemical cycles. \n \n17g: Hydrothermal Vents: Controls and Influences – Nano-Scale to Global – On Earth and BeyondConvenors: Emma A. A. Versteegh\, Kathrin Streit\, Max Coleman \n \nDeep-sea hydrothermal vents are hot spots for geochemical interactions. They have complex tectonic and structural controls\, and in turn influence physical and biological processes on a wide range of spatial scales. These systems have been increasingly intensively studied since their discovery 37 years ago\, and much scientific progress was made in recent years. Technical developments continuously improve our ability to investigate these extreme environments. Geochemists with diverse scientific backgrounds have made major contributions to our understanding of hydrothermal vent systems. This session aims to bring together these researchers\, working at any of the relevant spatial scales on all aspects of hydrothermal vent geochemistry. Potential topics might include but are not limited to\, the role of vents in global geochemical cycles (e.g. C\, S and Fe)\, tectonic and structural controls on hydrothermal circulation and water-rock interaction\, rock\, and fluid chemistry\, and the spectrum of ecosystems they support. We also encourage contributions looking at the potential significance of hydrothermal vents in the origin of life and in astrobiology\, for example\, habitability and potential biosignatures on the moons of the Outer Planets. \n \n19c: The Biogeochemical Cycling of the Nutrients N\, P and Si: Terrestrial and Marine Insights for the Present\, Past and FutureCo-convenors: Karen Casciotti\, Troy Baisden\, Gabriel Filippelli\, Mak Saito \n \nNutrients (e.g.\, Nitrogen\, Phosphorous and Silicon) underpin vital processes within Earth’s ecosystems. In modern-day systems\, these nutrient cycles exhibit complex\, non-linear dynamics. Paleo-studies of nutrient cycles also suffer from this complexity\, combined with imperfect geochemical preservation of evidence. New developments in biogeochemistry are improving our ability to describe nutrient dynamics in contemporary systems\, and when combined with models\, may also improve our ability to interpret the past and predict future responses of nutrients to global change. We consider both biologically-mediated nutrient cycles as well as cycles with competing biotic and abiotic regulation of sources or sinks. This theme encourages insights describing how biogeochemical nutrient dynamics can be understood in the face of apparent complexity\, and applied to global changes in the past or future. \n \n19f: Biogeochemical Processes Influencing Mobilization\, Transformations\, and Bioavailability of MercuryCo-convenors: Helen Hsu-Kim\, Nathan Yee\, Andrew Graham \n \nMercury is a global pollutant and a neurotoxin that presents significant risks for human health. Solutions to the mercury problem can be difficult\, due to the complex array of processes that ultimately lead to food web accumulation of this element in the form of monomethylmercury. This session will focus on the biogeochemical processes that influence the geochemical speciation of mercury\, transport in the environment\, and bioaccumulation. Specific topics include photochemical transformations\, redox-related processes\, biochemical pathways involved in net methylmercury production\, and the consequences of climate change on the global Hg cycle.
URL:https://www.geotraces.org/event/goldschmidt-2014/
CATEGORIES:GEOTRACES Relevant Special Sessions
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20140601
DTEND;VALUE=DATE:20140607
DTSTAMP:20260503T072300
CREATED:20130611T102909Z
LAST-MODIFIED:20130611T102909Z
UID:1864-1401580800-1402099199@www.geotraces.org
SUMMARY:International Conference on Atmospheric Dust
DESCRIPTION:International Conference on Atmospheric DustDates: 1-6 June 2014Location: Castellaneta Marina\, Italy \n \nFor futher information: http://www.dust2014.org \n \nGEOTRACES relevant sessions:  \n \nDust in the Sea — Impact on Biogeochemistry and ClimateChristel S. Hassler – Université de Genève – CHVéronique Schoemann – Université Libre de Bruxelles – BEDust laden nutrients deposited in surface waters affect phytoplankton with impact for their primary productivity\, biomass and biodiversity. Primary productivity is a critical step for climate regulation. Given that iron limits primary productivity in up to 30 % of the ocean and that most of the dust being deposited bear a significant amount of iron\, its solubility\, reactivity and bioavailability are actively studied. Such research goals are part of the GEOTRACES international science program. In order to improve our understanding of the links between continental dust\, the ocean and the carbon cycle\, this session welcomes contributions on the fate of elements delivered by atmospheric dust to the ocean\, their bioavailability and their implication for the primary productivity. As the consequences from global change on dust deposition and atmospheric processing remain unknown\, contributions on the global impact of dust oceanic deposition nowadays but also in the future are also welcome.
URL:https://www.geotraces.org/event/international-conference-on-atmospheric-dust/
CATEGORIES:GEOTRACES Relevant Special Sessions
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20140522
DTEND;VALUE=DATE:20140523
DTSTAMP:20260503T072300
CREATED:20140623T140256Z
LAST-MODIFIED:20140623T140256Z
UID:1908-1400716800-1400803199@www.geotraces.org
SUMMARY:Canadian Arctic cruises planning meeting
DESCRIPTION:Canadian Arctic cruises planning meetingDate: 22 May 2014Location: DFO/Institute of Ocean Sciences (Sidney\, BC\, Canada)
URL:https://www.geotraces.org/event/canadian-arctic-cruises-planning-meeting/
CATEGORIES:GEOTRACES Cruise Workshops
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20140425
DTEND;VALUE=DATE:20140426
DTSTAMP:20260503T072300
CREATED:20141016T145502Z
LAST-MODIFIED:20141016T145502Z
UID:1924-1398384000-1398470399@www.geotraces.org
SUMMARY:GEOTRACES Canada Modeling Meeting
DESCRIPTION:GEOTRACES Canada Modeling MeetingDates: 25 April 2014Location: University of British Columbia\, Vancouver\, Canada \n 
URL:https://www.geotraces.org/event/geotraces-canada-modeling-meeting/
CATEGORIES:GEOTRACES Cruise Workshops
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20140313
DTEND;VALUE=DATE:20140315
DTSTAMP:20260503T072300
CREATED:20141202T110511Z
LAST-MODIFIED:20141202T110511Z
UID:1931-1394668800-1394841599@www.geotraces.org
SUMMARY:Advancement and new challenges in marine researches of trace elements and their isotopes
DESCRIPTION:AORI Research Symposium: Advancement and new challenges in marine researches of trace elements and their isotopesDates: 13-14 March 2014Location: Auditorium\, Atmosphere and Ocean Research Institute (AORI)\, The University of Tokyo\, Japan \nFor further information: http://www.aori.u-tokyo.ac.jp/english/aori_news/meeting/2014/20140313.html
URL:https://www.geotraces.org/event/advancement-and-new-challenges-in-marine-researches-of-trace-elements-and-their-isotopes/
CATEGORIES:GEOTRACES Meetings
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20140223
DTEND;VALUE=DATE:20140301
DTSTAMP:20260503T072300
CREATED:20120305T091713Z
LAST-MODIFIED:20120305T091713Z
UID:1783-1393113600-1393631999@www.geotraces.org
SUMMARY:2014 Ocean Sciences Meeting
DESCRIPTION:2014 Ocean Sciences Meeting Dates: 23-28 February 2014Location: Honolulu\, HI\, USA. \nFor more information: http://www.sgmeet.com/osm2014/default.asp \nGEOTRACES-Town Hall Meeting: \nGEOTRACES Intermediate Data ProductDate: Tuesday\, February 25\, 2014 Time: 12:45:00 PM \nThe GEOTRACES program will publicly release its first data product. The nature of the data to be made available\, the data policy\, and the procedure to access the data will be described. GEOTRACES (www.geotraces.org) is an international study of the marine biogeochemical cycles of trace elements and their isotopes. 618 stations (49 cruises) have been sampled resulting in 800 data sets. A question and answer session will follow a presentation of selected results and new data visualization tools \nGEOTRACES-Relevant Sessions: \n018 – Advancing the frontiers of the Si cycle in terrestrial\, coastal\, and open ocean ecosystems \nOrganizers: Paul Treguer\, European Institute for Marine Studies; Joanna Carey\, U.S. Environmental Protection Agency; Mark Brzezinski\, Marine Science Institute\, University of California; Christina De La Rocha\, European Institute for Marine Studies; Robinson Fulweiler\, Boston University; Manuel Maldonado\, Centro de Estudios Avanzados de Blanes. \nRecent work in a variety of systems and across a range of spatial scales has shown that the silicon (Si) cycle is unexpectedly dynamic and perhaps far from steady state. These new findings also highlight many unknowns. It is now recognized that terrestrial vegetation plays a critical role in the recycling of biogenic Si (BSi) and the ultimate flux of Si to the coastal ocean. However\, these land-to-sea pathways are poorly constrained and we know little about how human activities directly alter the magnitude and timing of Si transport to the ocean. Additionally\, atmospheric Si deposition remains largely un-quantified. Within marine systems\, rates of BSi production\, dissolution\, and export by non-diatoms (e.g.\, sponges\, radiolarians\, and some cyanobacteria) are inadequately known\, as are rates of Si effluxes from hydrothermal vents. Moreover\, we lack data on rates of reverse weathering and low temperature basalt dissolution on continental margins and in the deep sea. This session will address key issues related to the biogeochemical cycling of Si\, including magnitude and rates of Si cycling in previously understudied reservoirs of the biosphere. We welcome contributions from terrestrial and aquatic systems\, including\, but not limited to\, rivers\, wetlands\, estuaries\, continental margins\, and the deep sea. \n  \n037 – Dynamics of Coupled Processes in the Ocean: A tribute to the career of Dr. James Murray \nOrganizers: Laurie Balistrieri\, USGS/UW Oceanography; Kathryn Kuivila\, USGS; Hans Jannasch\, MBARI \nWorking on research issues that cross discipline boundaries and involve multidisciplinary teams is both challenging and rewarding. Many of the fundamental science issues of our day\, such as climate change\, ocean acidification\, and human impacts on coastal oceans\, require researchers to bridge traditional disciplines and collectively work to synthesize a broader understanding of complex earth system processes at diverse scales. This session intends to bring together scientists who work on understanding the dynamics of coupled processes in the oceans\, provide opportunities for enhanced and new collaborations\, and pay tribute to the career of Dr. James Murray upon his retirement. The focus of his career has been interdisciplinary research in chemical oceanography and aquatic chemistry\, and we invite contributions from researchers involved in Dr. Murray’s main areas of research in coastal and open oceans: Particle reactive chemical tracers of biogeochemical processes; Role of iron and other metals in controlling food-web structure and new production; Carbon\, nitrogen\, and metal cycling across redox boundaries in sediments and water columns; Links among climate change\, ocean acidification\, and fossil fuel/energy supplies. \n  \n080 – Biogeochemistry of Trace Elements and their Isotopes \nOrganizers: Rob Middag\, University of Otago; Alessandro Tagliabue\, University of Liverpool; Peter Sedwick\, Old Dominion University; Claudine Stirling\, University of Otago; Andrew Bowie\, University of Tasmania; Jingfeng Wu\, University of Miami. \nTrace elements and their isotopes (TEIs) are critically important in regulating ocean biology\, as tracers of oceanic processes\, and as paleoceanographic tools. The past decade has seen major advances in our understanding of the distribution\, cycling\, and biogeochemical function of TEIs in the ocean\, afforded by the first basin-scale surveys completed as part of the CLIVAR and GEOTRACES programs\, and by concurrent advances in chemical and isotopic analysis\, numerical modeling and molecular biology. In this session\, we invite contributions that address the biogeochemical cycling of TEIs in the ocean\, with three main themes: (1) the distribution and physico- chemical speciation of TEIs in the ocean\, including results from recent GEOTRACES field activities and intercalibration efforts; (2) the exchange of TEIs between the lower atmosphere and the upper ocean; and (3) parallel studies of TEIs that inform our understanding of key regulatory processes\, including their input\, speciation\, biological cycling and removal. \n  \n092 – From VERTEX to GEOTRACES: honoring Ken Bruland’s contributions to marine biogeochemical cycles \nOrganizers: Gregory Cutter\, Old Dominion University; Ana Aguilar-Islas\, University of Alaska; Kristen Buck\, Bermuda Institute of Ocean Sciences; William Landing\, Florida State University; Maeve Lohan\, Plymouth University. \nStudying marine biogeochemistry requires highly interdisciplinary approaches that include multiple stable and radioactive elements\, appropriate analytical methods to reveal concentrations and chemical speciation\, collection methods to distinguish size fractionation\, and of course tight coupling with biological investigations. One of the leaders in marine biogeochemistry is Ken Bruland who started developing his pioneering methods in the mid 1970s\, refined them in the VERTEX cruises of the early 1980s\, and has continued changing biogeochemical paradigms into the present day GEOTRACES program. In honor of his retirement\, this session seeks presentations on\, or approaches to\, studying marine biogeochemical processes. These can range from bacteria to radionuclides\, trace to major elements\, atmosphere to sediments\, estuaries to the open ocean\, and present-day to paleoceanographic processes. \n  \n114 – Application of natural and anthropogenic radionuclides to the study of ocean processes \nOrganizers: Matt Charette\, WHOI; Marcus Christl\, ETH Zurich; Nuria Casacuberta\, ETH Zurich; Ken Buesseler\, WHOI. \nThe goal of GEOTRACES is to identify processes and quantify fluxes that control the distribution of trace elements and isotopes (TEIs) in the ocean\, and to establish the sensitivity of these distributions to changing environmental conditions. Natural uranium/thorium series\, anthropogenic and cosmogenic radionuclides\, with their in-built clocks\, their different input functions\, and contrasting geochemical properties and biological affinities are essential tools for interpreting lateral and vertical TEI distributions in the ocean. This session will focus on international GEOTRACES and other marine studies that employ radionuclides to quantify TEI particle cycling rates and fluxes\, land-derived inputs (e.g. groundwater\, rivers)\, bottom boundary layer processes (e.g. sediment resuspension\, hydrothermal vents) and atmospheric inputs. We further invite submissions on anthropogenic tracers from all compartments of the oceans (sea water\, sediments\, corals\, biota\, etc.)\, including studies that may help constrain or trace accidental (e.g. Chernobyl\, Fukushima) or authorized (e.g. nuclear reprocessing plants) releases into the ocean. Contributions related to observational studies and modeling applications are welcome\, as well as presentations on novel developments in radionuclide detection and sampling in the environment. \n  \n116 – Advances in approaches to assess metal-binding organic ligands and perspectives on the impacts of ligands on metal-biota interactions in the oceans \nOrganizers: Maeve Lohan\, University of Plymouth; Kristen Buck\, Bermuda Institute of Ocean Sciences; Sylvia Sander\, University of Otago. \nThe bioactive trace metals iron (Fe)\, copper (Cu)\, cobalt (Co)\, nickel (Ni)\, zinc (Zn) and cadmium (Cd) are essential micronutrients for marine phytoplankton and exert a major influence on the global carbon and nitrogen cycles. Fully understanding the marine carbon and nitrogen cycles is\, thus\, intimately tied to our efforts to determine the distribution\, chemical speciation and resulting bioavailability of trace metals to the marine biota. Complexation of these metals by organic ligands may enhance or reduce bioavailability depending upon the metal-ligand complex formed. Yet\, we know little about the composition\, source and provenance of metal-binding ligands\, which is hindering further advances in the field of trace metal biogeochemistry. New and fruitful collaborations between trace metal biogeochemists\, organic geochemists and biogeochemical modelers are being achieved through a SCOR working group (WG139) “Organic Ligands-A key control on trace metal cycling in the ocean”. We invite submissions to this session that highlight recent accomplishments in metal-binding ligand characterization and in approaches for assessing ligand distributions\, composition\, sources\, cycling processes\, and impacts on metal- biota interactions in the oceans. \n  \n146 – Marine micronutrient trace element cycling in oxygen minimum zones \nOrganizers: David Janssen\, University of Victoria; Maija Heller\, University of Southern California; Christina Schallenberg\, University of Victoria. \nThis session aims to further the understanding of the chemical speciation and biogeochemical cycling of micronutrient trace elements and macronutrients and their isotopes in ocean oxygen minimum zones (OMZs). Redox cycling of trace metals (e.g. Fe\, Cu\, Mn\, Co) and other aqueous species (e.g. SO42-/S2-) is known to significantly influence marine trace metal solubility and bioavailability. A growing body of data from OMZ waters\, through efforts such as the international GEOTRACES program\, illustrates the potential control of oxygen minima on regional and basin scale distributions of trace metals. Model projections predict that oxygen minima will intensify and will expand in spatial extent due to global climate change. Therefore\, increasing our understanding of the influence that oxygen minima exert on trace metal and macronutrient cycling and bioavailability is essential for explaining current and future oceanic distributions of bioactive trace metals and isotopes. This session welcomes contributions discussing the redox cycling\, sources\, sinks and speciation of trace elements and macronutrients and their isotopes in OMZ waters. \n  \n060 – Submarine Groundwater Discharge – from Ridge to Reef: Groundwater Evolution\, Climate\, Land-Use\, Coastal Hydrology and Marine Biogeochemical Impacts \nOrganizers: Steven Colbert\, University of Hawaii Hilo; Henrieta Dulaiova\, University of Hawaii; Craig R. Glenn\, University of Hawaii; Jason Adolf\, University of Hawaii \nSubmarine groundwater discharge (SGD) is now recognized as a significant source of biogeochemically important components to the coastal ocean. Groundwater discharge studies in diverse coastal systems are vitally important to establish baseline characteristics of current SGD behavior and its implications on coastal biogeochemistry before we can anticipate future effects of climate change\, sea level rise\, and population increase. This session invites presentations (both oral and poster) on 1) upstream processes that influence SGD from the land\, such as rock-water interactions\, watershed studies that examine natural and anthropogenic controls on groundwater recharge\, transport and composition\, including climate\, hydrogeology and land use; 2) measurement and modeling of SGD that reveal its spatial and temporal variability\, physicochemical properties\, as well as biogeochemical processes within the subterranean estuary; and 3) downstream coastal effects of SGD\, including biological response\, biogeochemistry\, chemical budgets of elements\, contaminant fates\, and coastal zone management. We seek to better understand the interplay between all of these factors\, and all contributions related to submarine groundwater discharge origins\, transformations\, fates and impacts of are welcome.
URL:https://www.geotraces.org/event/2014-ocean-sciences-meeting/
CATEGORIES:GEOTRACES Relevant Special Sessions
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20140206
DTEND;VALUE=DATE:20140208
DTSTAMP:20260503T072300
CREATED:20131219T140721Z
LAST-MODIFIED:20131219T140721Z
UID:1887-1391644800-1391817599@www.geotraces.org
SUMMARY:French GA01 pre-cruise Meeting
DESCRIPTION:French GA01 pre-cruise Meeting  Dates: 6-7 February 2014Location: Institut Universitaire Européen de la Mer\, Plouzané\, France \nObjectives   \nThe objectives of the meeting will be: \n– To present the general objectives of the project– To have short presentations (5-10 min) of the planned work during GEOVIDE by the different teams involved in the project– To present and discuss the strategy at sea (stations\, deployment of instruments – Classic rosette\, Clean rosette\, In-situ pumps\,…)– To discuss collaborations between teams– To prepare the data base and the web site– To discuss public outreach– To prepare the cruise logistics \nAgenda \nThe Agenda is available to download. \nList of participants    \nThe List of participants is available to download.
URL:https://www.geotraces.org/event/french-ga01-pre-cruise-meeting/
CATEGORIES:GEOTRACES Cruise Workshops
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20140108
DTEND;VALUE=DATE:20140110
DTSTAMP:20260503T072300
CREATED:20131009T073113Z
LAST-MODIFIED:20131009T073113Z
UID:1880-1389139200-1389311999@www.geotraces.org
SUMMARY:UK GEOTRACES GA10 Cruise Data Synthesis Meeting II
DESCRIPTION:UK GEOTRACES GA10 cruise Data Synthesis meeting IIDates: 8-9 January 2014Location: University of Oxford\, UK \n 
URL:https://www.geotraces.org/event/uk-geotraces-ga10-cruise-data-synthesis-meeting-ii/
CATEGORIES:GEOTRACES Cruise Workshops
END:VEVENT
END:VCALENDAR