GEOTRACES Science Highlights
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– Helium isotopes help to constrain high resolution model dynamics in the Mediterranean Sea
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The terrigenic helium isotope distribution was simulated for the first time in the whole Mediterranean Sea, using a high-resolution model (NEMO-MED12) at one-twelfth of a degree horizontal resolution (6–8 km)…
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– Lead isotopes tracks leakage of Indian Ocean seawater into the Atlantic Ocean
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Stable lead isotopes have been measured by Maxence Paul and co-workers along 40°S during the first and second legs of the UK GEOTRACES cruise (GA10) in the Atlantic Ocean. They clearly help to identify three different end-members and mixing between them: open ocean South Atlantic seawater, Indian Ocean seawater, and coastal inputs from South Africa….
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– Impressive set of data reveal new features on the modern cadmium phosphate relationship
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Xie and co-authors report vertical profiles of dissolved cadmium in the western South Atlantic Ocean (GEOTRACES section GA02), which show nutrient-like distributions similar to those of the macronutrient phosphate. A close look at the data reveal…
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– GEOTRACES high quality marine analytical chemistry on a global scale
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GEOTRACES analytical strategy is featured in Chemistry International, the newsmagazine of the International Union of Pure and Applied Chemistry (IUPAC)!
Do not miss this article from David Turner (University of Gothenburg, Sweden) and Ed Urban (SCOR, USA).
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GEOTRACES News
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– GEOTRACES at Ocean Sciences 2016
GEOTRACES will have a major presence at 2016 Ocean Sciences Meeting. This includes:
*GEOTRACES Sessions: A list of GEOTRACES and GEOTRACES-related sessions is available on the GEOTRACES website.
*GEOTRACES Town Hall: “Opportunities to Strengthen Your Science (and Proposals) using GEOTRACES Data”, Thursday, February 25, 2016, 6:30 PM – 7:30 PM (at Ernest N. Morial Convention Center, 228-230).
*SCOR Booth: GEOTRACES will participate with other international projects in a booth sponsored by SCOR. Please stop by and visit! Booth #312 – Tuesday 23 February to Thursday 25 February, from 9h30 to 18h00
Figure: SCOR Booth at Ocean Sciences 2014.
– A tribute to the work stimulated by Hein de Baar
An special issue to celebrate the oceanographic career of Hein de Baar (GEOTRACES past SSC member) at the occasion of his retirement in November 2014 is now available in Marine Chemistry.
Marine Chemistry Volume 177, Part 3, Pages 409-582 (20 December 2015) Cycles of metals and carbon in the oceans – A tribute to the work stimulated by Hein de Baar Edited by Loes J.A. Gerringa, Micha J.A. Rijkenberg, Patrick Laan and Klaas R. Timmermans
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GEOTRACES in Numbers
» Cruises completed: |
81 |
» Section cruises completed:
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31 |
» Stations completed:
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946 |
» Peer-reviewed papers:
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673 |
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GEOTRACES Dates
– Cruises:
17 December 2015 – 28 January 2016, UltraPac – Process Study (GPpr09), South Pacific.
08 January 2016 – 05 March 2016, HEOBI-Process Study (GIpr05), Indian sector of the Southern Ocean (around Heard Island).
08 January 2016 – 15 March 2016, K-Axis Process Study (GIpr06), Indian sector of the Southern Ocean.
15 March 2016 – 13 April 2016, Eddies – Process Study (GPpr11), Australian sector of the Southern Ocean (south of Tasmania).
21 May 2016 – 5 July 2016, RidgeMix – Process Study (GApr06), Mid-Atlantic Ridge.
19 July 2016 – 09 September 2016, German Arctic section cruise (GN05), FRAM Strait, 79°N.
– Forthcoming GEOTRACES Workshops:
27 – 28 January 2016, Biogeochemical studies in the Siberian Shelf Seas Workshop, Kiel, Germany.
26 June 2016, Exploring GEOTRACES data with Ocean Data View, Nippon Maru Memorial Park, Yokohama, Japan (Goldschmidt 2016).
01 – 04 August 2016, Joint GEOTRACES/OCB Workshop on Internal Cycling of Trace Elements, Lamont-Doherty Earth Observatory, Palissades, USA.
– Forthcoming GEOTRACES Special Sessions:
21 – 26 February 2016, Ocean Sciences Meeting 2016, New Orleans, Louisiana, USA. -> GEOTRACES Town Hall!
17 – 22 April 2016, European Geosciences Union General Assembly 2016 (EGU2016), Vienna, Austria.
26 June – 01 July 2016, Goldschmidt 2016, Yokohama, Japan.
– Other relevant events:
07 – 09 March 2016, ESSAS 2016 Annual Meeting: Scientific Challenges in a Changing Arctic & SubarcticAnnual Meeting, Yokohama, Japan.
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Access the GEOTRACES Calendar
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Latest Publications
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– Gerringa, L. J. A., Laan, P., van Dijken, G. L., van Haren, H., De Baar, H. J. W., Arrigo, K. R., & Alderkamp, A.-C. (2015). Sources of iron in the Ross Sea Polynya in early summer. Marine Chemistry, 177, 447–459. doi:10.1016/j.marchem.2015.06.002
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– Gerringa, L. J. A., Rijkenberg, M. J. A., Schoemann, V., Laan, P., & de Baar, H. J. W. (2015). Organic complexation of iron in the West Atlantic Ocean. Marine Chemistry, 177, 434–446. doi:10.1016/j.marchem.2015.04.007.
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– Middag, R., Séférian, R., Conway, T. M., John, S. G., Bruland, K. W., & de Baar, H. J. W. (2015). Intercomparison of dissolved trace elements at the Bermuda Atlantic Time Series station. Marine Chemistry, 177, 476–489. doi:10.1016/j.marchem.2015.06.014.
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– Rijkenberg, M. J. A., de Baar, H. J. W., Bakker, K., Gerringa, L. J. A., Keijzer , E., Laan, M ., Laan, P., Middag, R., Ober, S., van Ooijen, J., Ossebaar, S., van Weerlee, E. M., Smit, M. G. (2015) . “PRISTINE”, a new high volume sampler for ultraclean sampling of trace metals and isotopes. Marine Chemistry, 177, 501–509. doi:10.1016/j.marchem.2015.07.001.
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Acces the GEOTRACES Database |
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Banner 3D scene figure: 3D scene showing the distribution of dissolved iron in the Atlantic Ocean. Source: Schlitzer, R., eGEOTRACES – Electronic Atlas of GEOTRACES Sections and Animated 3D Scenes, http://www.egeotraces.org , 2014. |