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First GEOTRACES-China section cruise will sail in the western North Pacific Ocean

The first GEOTRACES-China section cruise along the GEOTRACES transect GP09 in the western North Pacific Ocean (wNP) will depart from Xiamen, China, on 25 April 2019 and will return port on 10 June 2019. On board the R/V “TAN KAH KEE” (Jia-Geng), there will be 33 Chinese researchers from Xiamen University, Second Institute of Oceanography (Ministry of Natural Resources), Ocean University of China and Peking University amongst others, as well as 3 researchers from GEOMAR (Germany), University of Western Ontario (Canada) and University of Maine (USA). The major objectives of the cruise are: (1) To investigate the horizontal and vertical distribution of trace elements and their isotopes (e.g., Fe, Cu, Ni, REEs, etc) in the wNP; (2) To identify the source/sink and internal cycle of trace elements/micro-nutrients in the wNP and their coupling with macro-nutrients; and (3) To examine the relation of trace element cycling in the wNP to the oceanic carbon cycle and global environmental and climatic change.

Cruise chief scientists: Yihua Cai and Kuanbo Zhou (Xiamen University)
GEOTRACES researchers: Zhimian Cao, Minhan Dai (Xiamen University) and Liping Zhou (Peking University)

Follow the cruise at: http://geotraces.xmu.edu.cn (website will be released on 25 April 2019)

GP09
Figure: Tentative KK1903 (GP09) cruise track

2nd GEOTRACES Summer School - Applications Open!

2019 Banner Summer School


Pre-registration is now open!


The second GEOTRACES summer school
will be held between the 23rd and 28th September 2019 in Cadiz, Spain, on board of the school ship Intermares A-41. 

GEOTRACES summer schools aim at teaching the skills and knowledge necessary for a good understanding of the biogeochemical cycles of trace metals. General lectures will be given by 10 world-leading international scientists and practical sessions including field sampling workshops will be ran throughout the week.

The summer school is open to 36 students. The maintenance and lodging on board of the Intermares school vessel during the course will be covered for all students.

Please read the call for applications for information on the application procedure, the summer school fees and the scholarship programme available.


Pre-registration is open until May 15th, 2019.
Applications will be subject to selection.

For more information and applications:

 https://geotraces.uca.es/


Organizers:
University of Cádiz (UCA), the Andalusian Institute of Marine Sciences of the Spanish National Research Council (ICMAN-CSIC),
the International Campus of Excellence of the Sea (CEI·MAR) and the International GEOTRACES programme.

Sponsors: 
Scientific Committee on Oceanic Research (SCOR), GEOTRACES, General CSIC Foundation,
International Doctorate School of Marine Studies (EIDEMAR) and CEI·MAR.

BioGeoSCAPES

 
In an effort to explore and develop international community interest for a potential future “Biogeotraces-like” program to study the microbial biological and chemical oceanography of the oceans, a working group of 28 scientists from 9 nations met in Woods Hole in November 2018. There was strong interest in continuing this effort among the international participants, who agreed to act as ambassadors to communicate these discussions to their respective national communities. Please join us in building community support for this effort. The workshop report is here.

To join the email list contact here.
For information contact: info@biogeoscapes.org and see https://www.biogeoscapes.org/

BioGeoSCAPES

BioGEOTRACES-Japan begins

A workshop, entitled ”BioGEOTRACES-Japan begins” was held on 19-21 September 2018 in Nagasaki, Japan to evaluate the potentials of biological studies related to trace elements and their isotopes (TEI) in the ocean, and to find the future directions of these studies in Japan. For three days, 15 registered Japanese scientists took part in the workshop. Drs. Maria Maldonado (University of British Columbia, Vancouver) and Tung-Yuan Ho (Academia Sinica, Taipei) were invited as guest speakers. The workshop consisted of 3 invited talks, 3 keynote talks and 11 research topics related to GEOTRACES & BioGEOTRACES (see the programme here). During the workshop, recent scientific findings, and possible future collaborations among TEI chemists, biologists and modelers were discussed. It was decided to organise the BioGEOTRACES-Japan in order to promote these comprehensive studies and cooperate with the international community

 2018 BioGEOTRACES Japan

Picture: Participants of the BioGEOTRACES-Japan Begin Workshop.
Click here to view the figure larger.

Lectures on Radioactivity in the Marine Environment


The SCOR Working Group 146: Radioactivity in the Ocean, 5 decades later (RiO5) has published four lectures on marine radiochemistry in Limnology and Oceanography e‐Lectures. These lectures are freely available to download. Please click on each link below to obtain the complete set of lecture materials, including the full lecture (slide presentation), lecture notes and reading lists:

1) Radioactivity in the Marine Environment: Understanding the Basics of Radioactivity

2) Radioactivity in the Marine Environment: Uranium‐Thorium Decay Series

3) Radioactivity in the Marine Environment: Cosmogenic and Anthropogenic Radionuclides

4) Radioactivity in the Marine Environment: Understanding the Basics of Radioecology

 2019 eLectures RIO5 web

Several GEOTRACES SSC members and researchers awarded the ASLO's 2019 Martin Award


The Association for the Sciences of Limnology and Oceanography has awarded the 2019 John H. Martin Award to the paper “A mesoscale phytoplankton bloom in the polar Southern Ocean stimulated by iron fertilization".

The nomination reads:

In their 2000 paper, Phillip Boyd and co-authors, test how phytoplankton respond to iron fertilization. In the 1980s, John Martin himself hypothesized that iron enrichment in high-nutrient, low-chlorophyll regions would stimulate phytoplankton growth, and furthermore could hold the key to mitigating global warming via carbon sequestration. While prior field studies had documented increases in phytoplankton biomass following iron enrichment in the tropics, the second part of Martin’s hypothesis – that the increased phytoplankton biomass would boost carbon sequestration - remained untested until Boyd et al. The 13-day long mesoscale study found that iron enrichment led to an increase in phytoplankton biomass and rate of photosynthesis in surface waters; however, this increased carbon fixation was not necessarily followed by enhanced carbon fluxes and sequestration as predicted by Martin’s “iron hypothesis".

CONGRATULATIONS to current and past GEOTRACES Scientific Steering Committee or subcommittees members Phillip Boyd (lead author), Andrew R. Bowie, Maria T. Maldonado, Peter Croot (co-authors), as well as all other co-authors, Andrew J. Watson, Cliff S. Law, Edward R. Abraham, Thomas Trull, Rob Murdoch, Dorothee C. E. Bakker, K. O. Buesseler, Hoe Chang, Matthew Charette, Ken Downing, Russell Frew, Mark Gall, Mark Hadfield, Julie Hall, Mike Harvey, Greg Jameson, Julie LaRoche, Malcolm Liddicoat, Roger Ling, R. Michael McKay, Scott Nodder, Stu Pickmere, Rick Pridmore, Steve Rintoul, Karl Safi, Philip Sutton, Robert Strzepek, Kim Tanneberger, Suzanne Turner, Anya Waite, and John Zeldis!

The John Martin Award recognizes a paper in aquatic sciences that is judged to have had a high impact on subsequent research in the field. More information about this award is available here: https://aslo.org/page/2019-martin-award

Citation:
Boyd, P. W et al. (2000). A mesoscale phytoplankton bloom in the polar Southern Ocean stimulated by iron fertilization. Nature, 407(6805), 695–702. http://doi.org/10.1038/35037500

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