Articles | Volume 18, issue 5
Biogeosciences, 18, 1645–1671, 2021
https://doi.org/10.5194/bg-18-1645-2021
Biogeosciences, 18, 1645–1671, 2021
https://doi.org/10.5194/bg-18-1645-2021

Research article 09 Mar 2021

Research article | 09 Mar 2021

Radium-228-derived ocean mixing and trace element inputs in the South Atlantic

Yu-Te Hsieh et al.

Data sets

The GEOTRACES Intermediate Data Product 2017 (https://www.bodc.ac.uk/geotraces/data/idp2017/) Reiner Schlitzer, Robert F. Anderson, Elena Masferrer Dodas, Maeve Lohan, Walter Geibert, Alessandro Tagliabue, Andrew Bowie, Catherine Jeandel, Maria T. Maldonado, William M. Landing, Donna Cockwell, Cyril Abadie, Wafa Abouchami, Eric P. Achterberg, Alison Agather, Ana Aguliar-Islas, Hendrik M. van Aken, Morten Andersen, Corey Archer, Maureen Auro, Hein J. de Baar, Oliver Baars, Alex R. Baker, Karel Bakker, Chandranath Basak, Mark Baskaran, Nicholas R. Bates, Dorothea Bauch, Pieter van Beek, Melanie K. Behrens, Erin Black, Katrin Bluhm, Laurent Bopp, Heather Bouman, Katlin Bowman, Johann Bown, Philip Boyd, Marie Boye, Edward A. Boyle, Pierre Branellec, Luke Bridgestock, Guillaume Brissebrat, Thomas Browning, Kenneth W. Bruland, Hans-Jürgen Brumsack, Mark Brzezinski, Clifton S. Buck, Kristen N. Buck, Ken Buesseler, Abby Bull, Edward Butler, Pinghe Cai, Patricia Cámara Mor, Damien Cardinal, Craig Carlson, Gonzalo Carrasco, Núria Casacuberta, Karen L. Casciotti, Maxi Castrillejo, Elena Chamizo, Rosie Chance, Matthew A. Charette, Joaquin E. Chaves, Hai Cheng, Fanny Chever, Marcus Christl, Thomas M. Church, Ivia Closset, Albert Colman, Tim M. Conway, Daniel Cossa, Peter Croot, Jay T. Cullen, Gregory A. Cutter, Chris Daniels, Frank Dehairs, Feifei Deng, Huong Thi Dieu, Brian Duggan, Gabriel Dulaquais, Cynthia Dumousseaud, Yolanda Echegoyen-Sanz, R. Lawrence Edwards, Michael Ellwood, Eberhard Fahrbach, Jessica N. Fitzsimmons, A. Russell Flegal, Martin Q. Fleisher, Tina van de Flierdt, Martin Frank, Jana Friedrich, Francois Fripiat, Henning Fröllje, Stephen J.G. Galer, Toshitaka Gamo, Raja S. Ganeshram, Jordi Garcia-Orellana, Ester Garcia-Solsona, Melanie Gault-Ringold, Ejin George, Loes J.A. Gerringa, Melissa Gilbert, Jose M. Godoy, Steven L. Goldstein, Santiago R. Gonzalez, Karen Grissom, Chad Hammerschmidt, Alison Hartman, Christel S. Hassler, Ed C. Hathorne, Mariko Hatta, Nicholas Hawco, Christopher T. Hayes, Lars-Eric Heimbürger, Josh Helgoe, Maija Heller, Gideon M. Henderson, Paul B. Henderson, Steven van Heuven, Peng Ho, Tristan J. Horner, Yu-Te Hsieh, Kuo-Fang Huang, Matthew P. Humphreys, Kenji Isshiki, Jeremy E. Jacquot, David J. Janssen, William J. Jenkins, Seth John, Elizabeth M. Jones, Janice L. Jones, David C. Kadko, Rick Kayser, Timothy C. Kenna, Roulin Khondoker, Taejin Kim, Lauren Kipp, Jessica K. Klar, Maarten Klunder, Sven Kretschmer, Yuichiro Kumamoto, Patrick Laan, Marie Labatut, Francois Lacan, Phoebe J. Lam, Myriam Lambelet, Carl H. Lamborg, Frédéric A.C. Le Moigne, Emilie Le Roy, Oliver J. Lechtenfeld, Jong-Mi Lee, Pascale Lherminier, Susan Little, Mercedes López-Lora, Yanbin Lu, Pere Masque, Edward Mawji, Charles R. Mcclain, Christopher Measures, Sanjin Mehic, Jan-Lukas Menzel Barraqueta, Pier van der Merwe, Rob Middag, Sebastian Mieruch, Angela Milne, Tomoharu Minami, James W. Moffett, Gwenaelle Moncoiffe, Willard S. Moore, Paul J. Morris, Peter L. Morton, Yuzuru Nakaguchi, Noriko Nakayama, John Niedermiller, Jun Nishioka, Akira Nishiuchi, Abigail Noble, Hajime Obata, Sven Ober, Daniel C. Ohnemus, Jan van Ooijen, Jeanette O'Sullivan, Stephanie Owens, Katharina Pahnke, Maxence Paul, Frank Pavia, Leopoldo D. Pena, Brian Peters, Frederic Planchon, Helene Planquette, Catherine Pradoux, Viena Puigcorbé, Paul Quay, Fabien Queroue, Amandine Radic, S. Rauschenberg, Mark Rehkämper, Robert Rember, Tomas Remenyi, Joseph A. Resing, Joerg Rickli, Sylvain Rigaud, Micha J. A. Rijkenberg, Stephen Rintoul, Laura F. Robinson, Montserrat Roca-Martí, Valenti Rodellas, Tobias Roeske, John M. Rolison, Mark Rosenberg, Saeed Roshan, Michiel M. Rutgers van der Loeff, Evgenia Ryabenko, Mak A. Saito, Lesley A. Salt, Virginie Sanial, Geraldine Sarthou, Christina Schallenberg, Ursula Schauer, Howie Scher, Christian Schlosser, Bernhard Schnetger, Peter Scott, Peter N. Sedwick, Igor Semiletov, Rachel Shelley, Robert M. Sherrell, Alan M. Shiller, Daniel M. Sigman, Sunil Kumar Singh, Hans A. Slagter, Emma Slater, William M. Smethie, Helen Snaith, Yoshiki Sohrin, Bettina Sohst, Jeroen E. Sonke, Sabrina Speich, Reiner Steinfeldt, Gillian Stewart, Torben Stichel, Claudine H. Stirling, Johnny Stutsman, Gretchen J. Swarr, James H. Swift, Alexander Thomas, Kay Thorne, Claire P. Till, Ralph Till, Ashley T. Townsend, Emily Townsend, Robyn Tuerena, Benjamin S. Twining, Derek Vance, Sue Velazquez, Celia Venchiarutti, Maria Villa-Alfageme, Sebastian M. Vivancos, Antje H.L. Voelker, Bronwyn Wake, Mark J. Warner, Ros Watson, Evaline van Weerlee, M. Alexandra Weigand, Yishai Weinstein, Dominik Weiss, Andreas Wisotzki, E. Malcolm S. Woodward, Jingfeng Wu, Yingzhe Wu, Kathrin Wuttig, Neil Wyatt, Yang Xiang, Ruifang C. Xie, Zichen Xue, Hisayuki Yoshikawa, Jing Zhang, Pu Zhang, Ye Zhao, Linjie Zheng, Xin-Yuan Zheng, Moritz Zieringer, Louise A. Zimmer, Patrizia Ziveri, Patricia Zunino, and Cheryl Zurbrick https://doi.org/10.1016/j.chemgeo.2018.05.040

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Short summary
The South Atlantic near 40° S is one of the high-productivity and most dynamic nutrient regions in the oceans, but the sources and fluxes of trace elements (TEs) to this region remain unclear. This study investigates seawater Ra-228 and provides important constraints on ocean mixing and dissolved TE fluxes to this region. Vertical mixing is a more important source than aeolian or shelf inputs in this region, but particulate or winter deep-mixing inputs may be required to balance the TE budgets.
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