GEOTRACES Process Studies

Process Studies meeting the GEOTRACES Process Study criteria can gain endorsement by the GEOTRACES Scientific Steering Committee (SSC). Investigators who wish to develop a research programme to be designed as GEOTRACES process study should approach its regional or national SSC member with the “Process study request form” duly filled in.

The following is a list of approved GEOTRACES Process Studies. For information about associated data sets, please click here.

ID Cruise Chief Scientist  GEOTRACES Scientist Period Location
GApr01AMANDESCatherine JeandelCatherine Jeandel17/10/2007 – 20/07/2008Amazon shelf, offshore of Guyane
and estuary in Brazilian waters
GApr02Oceania_15/2011Jacek BeldowskiMichael Staubwasser03/11/2011 – 13/11/2011Baltic Sea
GApr03THORMicha RijkenbergHein de Baar29/07/2012 – 19/08/2012Western North Atlantic
GApr04SHELF SEASRichard Sanders / Mark Moore / Jonathan SharplesMaeve Lohan / Angela Milne11/04/2014 – 14/05/2014
04/11/2014- 03/12/2014
Celtic Sea
(leg 1)
(Vici Fe)
Caroline P. SlompSilke Severmann31/08/2015 – 17/09/2015Black Sea
GApr05 (leg 2)PE401
(Vici Fe)
Caroline P. SlompSevermann Silke, Rijkenberg Micha2016/05/27 — 2016/06/15Baltic Sea
GApr06 Leg1SOSCEx IIIPedro MonteiroAlakendra N. Roychoudhury and Thato Mtshali05/12/2015 – 11/02/2016Southern Ocean
GApr06 Leg2SOSCEx IIIPedro MonteiroAlakendra N. Roychoudhury and Thato Mtshali22/07/2015 – 15/08/2015Southern Ocean
 GApr07 HERMINE Y. Fouquet, C. Cathalot, and E. PelleterH. Planquette, G. Sarthou, L.-E. Heimbürger, Catherine Jeandel15/03/2017 – 20/02/2017 Mid Atlantic Ridge, TAG and Snake Pit sites (21-26°N/44.5-46.5°W)
 GApr08ZIPLOC Claire Mahaffey Maeve Lohan and Alessandro Tagliabue 27/06/2017 – 13/06/2017 Tropical Atlantic
 GApr09PEACETIME Cecile Guieu and Matthieu Bressac Geraldine Sarthou and Hélène Planquette 10/05/2017 – 11/06/2017 Mediterranean Sea
GApr10PIRATA-BR XVIIPaulo NobreVanessa Hatje14/11/2017 – 15/01/2018Western Tropical Atlantic
Andrea KoschinskyMartin Frank19/04/2018 – 21/05/2018Amazon estuary and the associated plume
GApr12PS117 (HAFOS)Olaf BoebelRob Middag15/12/2018 — 07/02/2019Zero meridian towards continent (Lazarev Sea) and Weddell Sea
GApr13BAITRod JohnsonPeter Sedwick5 cruises in 2019 and 2020:


10/03 – 15/03/2019
11/05 – 17/05/2019
16/08 – 22/08/2019
14/11 – 20/11/2020
12/03 – 18/03/2020

Sargasso Sea, South East of Bermuda
GApr14SAMBAR_A2/SAM-17Edmo CamposVanessa Hatje15/06/2019 — 01/07/2019South West Atlantic
GApr15PROVOCCAR ICarlos Rafael Borges MendesVanessa Hatje02/02/2020 — 08/03/2020North Antarctic Peninsula
GApr16MetalGateRob MiddagRob Middag17/07/2021 — 17/08/2021North Atlantic Ocean and seas around Iceland
GApr17Island ImpactChristine Klaas
Dr. Sabine Kasten
Scarlett Trimborn
Susann Henkel
Michael Staubwasser
Rebecca Zitoun
01/10/2022 — 19/12/2022South Georgia and Southern Ocean, ACC
GApr18STINGAngela KnappTim Conway
Kristen Buck
Rene Boiteau
Leg 1: 20/02/2023 — 06/03/2023
Leg 2: 29/06/2023 — 13/07/2023
Gulf of Mexico
GApr19N-ARCJo HopkinsMaeve Lohan09/07/2023 – 13/08/2023Arctic Ocean
GApr20PICCOLO (SD035)Thomas Bell
Karen Heywood
Angela Milne
Simon Ussher
17/01/2024 – 09/03/2024Southern Ocean (Northwest Weddell Sea)
GIpr01KEOPSStephane BlainCatherine Jeandel08/10/2011 – 30/11/2011Around Kerguelen Islands
GIpr02SIPEX 2Tony Worby /
Klaus Meiners
Andy Bowie16/09/2012 – 05/11/2012East Antarctica west of 110º (64-65º)
GIpr03SS300Ravi Bhushan / R. RengarajanRavi Bhushan26/04/2012 – 18/05/2012Arabian Sea (along GI02)
GIpr04SS259Ravi BhushanRavi Bhushan09/11/2008 – 30/11/2008East of the North Island of New Zealand
GIpr05HEOBIMike CoffinAndrew Bowie, Zanna Chase, Tom Trull, Alessandro Tagliabue and Stephane Blain2016/01/08 – 2016/03/05Indian sector of the Southern Ocean (around Heard Island)
GIpr06K-axisAndrew ConstableAndrew Bowie2016/01/08 – 2016/03/15Indian sector of the Southern Ocean (south of Kerguelen plateau to ice edge)
GIpr07AIMIZ-GI06Marchello VichiAlakaendra Roychoudhury2017/06/29 – 2017/07/15Southern Ocean
(Indian Sector)




Tom Trull / Elizabeth Shadwick

Philip Boyd / Zanna Chase

2018/03/18 – 2018/03/20


2019/03/18- 2019/03/20

2021/04/14- 2021/04/24

Southern Ocean (Indian sector, vicinity of the Southern Ocean Time Series mooring, SOTS)
GIpr09REDMASTAdi TorfsteinAdi TorfsteinSeveral cruises per year starting in 2020Station A (29°28.95′ N, 34°56.22′ E), northern Gulf of Aqaba, Red Sea
GIpr10SOLACEPhil Boyd / Michel EllwoodMichel Ellwood2020/12/03 – 2021/01/16Southern Ocean (~140E; 47S to 55S)
GIpr11CANYONS (IN2023-v1)Alix PostZanna Chase2023/01/27 – 2023/03/12Offshore of Cape Darnley, Mac Robertson Land, East Antarctica
GIpr12EASI-2 (PS140)Marcus GutjahrRob Middag2023/11/25 – 2024/02/02Southern Ocean
GPpr01FeCycle IIPhilip BoydPhilip Boyd15/09/2008 – 06/10/2008East of the North Island of New Zealand
Christel HasslerMichael Ellwood22/02/2010 – 15/02/2010Tasman Sea
GPpr03NBP0901 (DynaLiFe)Stan JacobsHein de Baar05/01/2009 – 28/02/2009Amundsen Sea, Pine Island Bay
Mahyar MohtadiKatharina Pahnke09/09/2012 – 8/10/2012West Pacific
GPpr05KM1107Katharina PahnkeKatharina Pahnke23/02/2011 – 25/02/2011Tropical Pacific
GPpr06OR5-1307-3Tung-Yuan HoTung-Yuan Ho14/07/2013 – 23/07/2013Western Pacific
GPpr06 bisOR5-0034Tung-Yuan HoTung-Yuan Ho25/03/2014 – 03/04/2014Western Pacific
GPpr07Canadian Line-P Iron ProgrammeAndrew R.S. Ross / Marie RobertMaite Maldonado3 cruises per year (February, May/June, August/September) starting in 2013North East Pacific
Alderkamp Anne-CarlijnRob Middag26-10-2014 – 26-11-2014Western Antarctic Peninsula
GPpr08 (leg 2)NBP1310 02 (PHANTASTIC II)Alderkamp Anne-CarlijnLoes Gerringa03/12/2013 – 23/01/2014Ross Sea, Rothera Research Station to Hobart
GPpr09Sonne SO245 (UltraPac)Timothy G. FerdelmanKatharina Pahnke, Peter Croot and Robert Anderson17/12/2015 – 28/01/2016Ultra-oligotrophic South Pacific gyre
(FeCycle III)
Philip BoydPhilip Boyd15/09/2012 – 8/10/2012Eastern seabord of the North Island of New Zealand
GPpr11EddiesPeter StruttonMichael Ellwood and Philip Boyd Eddies15/03/2016 – 13/04/2016Australian sector of the Southern Ocean (south of Tasmania)
(KOPRI Amundsen)
SangHoon LeeRob Middag18/12/2017 – 07/02/2018Amundsen Sea
GPpr13IN2018_V04Michael EllwoodMichael Ellwood11/09/2018 – 8/10/2018Southern extension of the East Australian Current (EAC)
GPpr14TONGACecile Guieu et Sophie BonnetGéraldine Sarthou, Matthieu Bressac and Hélène Planquette05/01/2019 – 10/02/2019Western Tropical South Pacific
GPpr15Carbon-FeXin Liu
Weifang Chen
Yongming HuangZhimian Cao
Ruifeng Zhang
Kuanbo Zhou
Minhan Dai03/07/2020 – 23/08/2020


23/12/2020 – 13/01/2021

North Pacific Subtropical Gyre