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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260825T000000
DTEND;TZID=Europe/Paris:20260825T235959
DTSTAMP:20260724T081030Z
CREATED:20260720T084214Z
LAST-MODIFIED:20260724T081030Z
UID:61794-1787616000-1787702399@www.geotraces.org
SUMMARY:GEOTRACES Online Seminar Series - #5 Particle dynamics\, scavenging & aggregation
DESCRIPTION:The GEOTRACES Online Seminar Series is an initiative led by the Early Career Scientist (ECS) committee\, held on a monthly basis. It aims to foster scientific exchange across the GEOTRACES community and beyond by bringing together senior scientists and early-career researchers around shared themes in trace element and isotope biogeochemistry.Seminar format:Each seminar will focus on one coherent topic and feature two connected talks:– A senior scientist providing synthesis\, context\, and big-picture framing– An early-career scientist presenting new data\, methods\, or emerging perspectives \n\n\n\nSchedule:\n\n\n\n\n\nThe series will run monthly from April to November 2026 (with a break in July)\, with seminars planned for the last Tuesday of each month. Plus\, an end-year special seminar around mid-December. \n\n\n\nSeminars will be held at either 09:00 CET/CEST or 15:00 CET/CEST\, depending on the speakers’ locations\, to facilitate participation across different regions. Each seminar will last about one hour. \n\n\n\n \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nPlatform: Zoom\n\n\n\nA single recurring link will be used for all seminars: click here to access the seminar.If needed\, you can also join manually using: Meeting ID: 636 5773 3493 / Passcode: 651026 \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nUpcoming seminar:\n\n\n\nDate/Time: August 25\, 2026 @ 15:00 CESTTopic: Particle dynamics\, scavenging & aggregationModerator: Nolwenn LemaitreSpeakers: Christopher Hayes (University of Southern Mississippi\, USA) & Yang Xiang (Louisiana State University\, USA). \n\n\n\nSeminar detailed information: \n\n\n\nTopic: Particle dynamics\, scavenging & aggregation \n\n\n\nTalk 1: From adsorption to regional boundary scavenging: bridging scales of trace element removal from the oceanSpeaker: Prof. Christopher Hayes (University of Southern Mississippi)Abstract: Particulate matter in seawater acting as a removal term for trace elements\, or chemical scavenging\, has been recognized since the 1950’s. In this talk\, I review the history of the role of scavenging in chemical oceanography and results from our group showing how productive gyres\, upwelling zones\, hydrothermal plumes and nepheloid layers can all be seen as regional centers of scavenging removal. \n\n\n\nTalk 2: Particle composition effect on trace metal scavenging in the global oceanSpeaker: Asst. Prof. Yang Xiang (Louisiana State University)Abstract: Different particle phases vary in their ability to scavenge trace elements and their isotopes (TEIs). In this talk\, I will highlight the disproportionate importance of manganese oxides in scavenging multiple TEIs in the global ocean\, despite their relatively low abundance. I will also discuss recent advancements in particle scavenging models that incorporate surface area into parameterisations. \n\n\n\nFor more information and updates\, check the seminar web page. \n\n\n\nYou can download the flyer here.
URL:https://www.geotraces.org/event/geotraces-online-seminar-series-6-particle-dynamics-scavenging-aggregation/
CATEGORIES:GEOTRACES Training Activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260929T000000
DTEND;TZID=Europe/Paris:20260929T235959
DTSTAMP:20260720T084036Z
CREATED:20260720T083919Z
LAST-MODIFIED:20260720T084036Z
UID:61790-1790640000-1790726399@www.geotraces.org
SUMMARY:GEOTRACES Online Seminar Series - #6 Biogeochemical Cycling of Redox-Sensitive Metals in Oxygen Minimum Zones
DESCRIPTION:The GEOTRACES Online Seminar Series is an initiative led by the Early Career Scientist (ECS) committee\, held on a monthly basis. It aims to foster scientific exchange across the GEOTRACES community and beyond by bringing together senior scientists and early-career researchers around shared themes in trace element and isotope biogeochemistry.Seminar format:Each seminar will focus on one coherent topic and feature two connected talks:– A senior scientist providing synthesis\, context\, and big-picture framing– An early-career scientist presenting new data\, methods\, or emerging perspectives \n\n\n\nSchedule:\n\n\n\n\n\nThe series will run monthly from April to November 2026 (with a break in July)\, with seminars planned for the last Tuesday of each month. Plus\, an end-year special seminar around mid-December. \n\n\n\nSeminars will be held at either 09:00 CET/CEST or 15:00 CET/CEST\, depending on the speakers’ locations\, to facilitate participation across different regions. Each seminar will last about one hour. \n\n\n\n \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nPlatform: Zoom\n\n\n\nA single recurring link will be used for all seminars: click here to access the seminar.If needed\, you can also join manually using: Meeting ID: 636 5773 3493 / Passcode: 651026 \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nUpcoming seminar:\n\n\n\nDate/Time: September 29th\, 15:00 CESTTopic: Biogeochemical Cycling of Redox-Sensitive Metals in Oxygen Minimum ZonesModerator: Yang XiangSpeakers: James W Moffett (University of Southern California\, USA) & Jessalyn E. Davis (University of Washington\, USA) \n\n\n\nMore details will be available in due time.
URL:https://www.geotraces.org/event/geotraces-online-seminar-series-5-biogeochemical-cycling-of-redox-sensitive-metals-in-oxygen-minimum-zones/
CATEGORIES:GEOTRACES Training Activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20261019T000000
DTEND;TZID=Europe/Paris:20261020T235959
DTSTAMP:20260210T094129Z
CREATED:20260210T094128Z
LAST-MODIFIED:20260210T094129Z
UID:60926-1792368000-1792540799@www.geotraces.org
SUMMARY:GEOTRACES Data Management Committee (DMC) Meeting
DESCRIPTION:Location: Xiamen\, China.
URL:https://www.geotraces.org/event/geotraces-data-management-committee-dmc-meeting-5/
CATEGORIES:GEOTRACES Meetings
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20261021T000000
DTEND;TZID=Europe/Paris:20261023T235959
DTSTAMP:20260210T094223Z
CREATED:20260210T094013Z
LAST-MODIFIED:20260210T094223Z
UID:60925-1792540800-1792799999@www.geotraces.org
SUMMARY:GEOTRACES Scientific Steering Committee (SSC) Meeting
DESCRIPTION:Location: Xiamen\, China.
URL:https://www.geotraces.org/event/geotraces-scientific-steering-committee-ssc-meeting-4/
CATEGORIES:GEOTRACES Meetings
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20261027T000000
DTEND;TZID=Europe/Paris:20261027T235959
DTSTAMP:20260720T165404Z
CREATED:20260720T084456Z
LAST-MODIFIED:20260720T165404Z
UID:61797-1793059200-1793145599@www.geotraces.org
SUMMARY:GEOTRACES Online Seminar Series - #7 Hydrothermal Impact on Ocean Biogeochemistry
DESCRIPTION:The GEOTRACES Online Seminar Series is an initiative led by the Early Career Scientist (ECS) committee\, held on a monthly basis. It aims to foster scientific exchange across the GEOTRACES community and beyond by bringing together senior scientists and early-career researchers around shared themes in trace element and isotope biogeochemistry.Seminar format:Each seminar will focus on one coherent topic and feature two connected talks:– A senior scientist providing synthesis\, context\, and big-picture framing– An early-career scientist presenting new data\, methods\, or emerging perspectives \n\n\n\nSchedule:\n\n\n\n\n\nThe series will run monthly from April to November 2026 (with a break in July)\, with seminars planned for the last Tuesday of each month. Plus\, an end-year special seminar around mid-December. \n\n\n\nSeminars will be held at either 09:00 CET/CEST or 15:00 CET/CEST\, depending on the speakers’ locations\, to facilitate participation across different regions. Each seminar will last about one hour. \n\n\n\n \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nPlatform: Zoom\n\n\n\nA single recurring link will be used for all seminars: click here to access the seminar.If needed\, you can also join manually using: Meeting ID: 636 5773 3493 / Passcode: 651026 \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nUpcoming seminar:\n\n\n\nDate/Time: October 27th\, 15:00 CETTopic: Hydrothermal Impact on Ocean BiogeochemistryModerator: Lise ArtigueSpeakers: Christopher German (Woods Hole Oceanographic Institution\, USA)  & Laura Moore (University of Victoria\, Canada) \n\n\n\nMore details will be available in due time.
URL:https://www.geotraces.org/event/geotraces-online-seminar-series-7-hydrothermal-impact-on-ocean-biogeochemistry/
CATEGORIES:GEOTRACES Training Activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20261124T000000
DTEND;TZID=Europe/Paris:20261124T235959
DTSTAMP:20260720T084757Z
CREATED:20260720T084734Z
LAST-MODIFIED:20260720T084757Z
UID:61799-1795478400-1795564799@www.geotraces.org
SUMMARY:GEOTRACES Online Seminar Series - #8 Sediment-Water Interface Processes & Boundary Exchange
DESCRIPTION:The GEOTRACES Online Seminar Series is an initiative led by the Early Career Scientist (ECS) committee\, held on a monthly basis. It aims to foster scientific exchange across the GEOTRACES community and beyond by bringing together senior scientists and early-career researchers around shared themes in trace element and isotope biogeochemistry.Seminar format:Each seminar will focus on one coherent topic and feature two connected talks:– A senior scientist providing synthesis\, context\, and big-picture framing– An early-career scientist presenting new data\, methods\, or emerging perspectives \n\n\n\nSchedule:\n\n\n\n\n\nThe series will run monthly from April to November 2026 (with a break in July)\, with seminars planned for the last Tuesday of each month. Plus\, an end-year special seminar around mid-December. \n\n\n\nSeminars will be held at either 09:00 CET/CEST or 15:00 CET/CEST\, depending on the speakers’ locations\, to facilitate participation across different regions. Each seminar will last about one hour. \n\n\n\n \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nPlatform: Zoom\n\n\n\nA single recurring link will be used for all seminars: click here to access the seminar.If needed\, you can also join manually using: Meeting ID: 636 5773 3493 / Passcode: 651026 \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nUpcoming seminar:\n\n\n\n\n\n\n\nDate/Time: November 24th\, 15:00 CETTopic: Sediment-Water Interface Processes & Boundary ExchangeModerator: Zhouling ZhangSpeakers: Florian Scholz (University of Hamburg\, Germany) & Rhiannon Jones (British Antarctic Survey\, UK) \n\n\n\nMore details will be available in due time.
URL:https://www.geotraces.org/event/geotraces-online-seminar-series-8-sediment-water-interface-processes-boundary-exchange/
CATEGORIES:GEOTRACES Training Activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20270117T000000
DTEND;TZID=Europe/Paris:20270117T235959
DTSTAMP:20260504T130631Z
CREATED:20260504T130533Z
LAST-MODIFIED:20260504T130631Z
UID:61341-1800144000-1800230399@www.geotraces.org
SUMMARY:XMAS2027
DESCRIPTION:There will be two GEOTRACES related sessions/workshops at the forthcoming XMAS2027 meeting\, January 12 to 15\, 2027\, Xiamen (China). Abstracts can be submitted until 30 June 2026. Further details are available on the conference webpage: https://mel-xmas.net/index.html \n\n\n\n\n\n\n\nTrace metal biogeochemical cycles in the ocean (session) \n\n\n\nThe international GEOTRACES program and the development of trace metal clean analysis techniques has led to a revolution in our understanding of marine trace metal dynamics. The sources\, sinks and speciation of trace metals have been subject to intense study for several decades revealing the important roles of shelf sediments\, atmospheric deposition\, hydrothermal vents and the cryosphere as trace metal sources. Bioessential roles for micronutrients including iron\, manganese\, and cobalt in primary metabolism are well established. The importance of different biogenic\, authigenic and lithogenic particulate phases for controlling metal distributions is increasingly recognized. Unfortunately\, anthropogenic pollutants such as lead and mercury remain pervasive\, and climatic shifts in ocean temperature\, oxygen and pH are increasingly recognized as drivers of changing trace metal dynamics. Key questions in the context of climate change are how these physical drivers\, combined with changing source dynamics\, will affect the bioaccessibility of metals to marine biota. Understanding the role of trace metals in biogeochemical cycles is important to constrain the effects of climate change on the past\, present and future ocean system\, and to fully comprehend the implications of proposed ocean intervention schemes such as iron fertilization. We encourage submissions from interdisciplinary teams focusing on the sources\, sinks\, speciation and biological utilization of trace metal in marine systems worldwide. Studies that combine multiple methodological approaches or inter-regional comparisons to understand trace metal dynamics are especially welcomed. \n\n\n\nConveners \n\n\n\nRuifang Xie\, Shanghai Jiao Tong UniversityMark Moore\, University of SouthamptonLaramie Jensen\, Columbia UniversityMark Hopwood\, Southern University of Science and Technology \n\n\n\n\n\n\n\nA GEOTRACES synthesis workshop: Building data outcomes for the Pacific Ocean and its marginal seas (workshop) \n\n\n\nThe international GEOTRACES program has generated a wealth of knowledge on the biogeochemical cycles of trace elements and their isotopes in the ocean. With this growing body of observations\, there is a compelling opportunity to move toward synthesizing GEOTRACES data and draw broader insights into the role of metal dynamics in ocean biogeochemistry\, for example through the GEOTRACES Intermediate Data Product 2025 (IDP 2025). Here\, we take the Pacific Ocean and its marginal seas as a focus region\, offering diverse biogeochemical regimes and dataset with full potential to be realized through coordinated synthesis. To achieve this\, the workshop will feature invited talks in an extended format\, drawing on perspectives from field and laboratory observations and modeling to concrete proposals for synthesis outputs. Open discussion sessions and opportunities for networking will further support the collaborative exchange needed to turn this collective expertise into lasting scientific impact. \n\n\n\nYuping Guo\, GEOMAR Helmholtz Centre for Ocean Research KielZanna Chase\, The University of TasmaniaYihua Cai\, Xiamen UniversityTe Liu\, University of Southampton
URL:https://www.geotraces.org/event/xmas2027/
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