Global subterranean estuaries modify groundwater nutrient loading to the ocean

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Date
2024-05-16
Authors
Wilson, Stephanie J.
 Moody, Amy
 McKenzie, Tristan
 Cardenas, M. Bayani
 Luijendijk, Elco
 Sawyer, Audrey H.
 Wilson, Alicia
 Michael, Holly A.
 Xu, Bochao
 Knee, Karen L.
 Cho, Hyung-Mi
 Weinstein, Yishai
 Paytan, Adina
 Moosdorf, Nils
 Chen, Chen-Tung Aurthur
 Beck, Melanie
 Lopez, Cody
 Murgulet, Dorina
 Kim, Guebuem
 Charette, Mathew A.
 Waska, Hannelore
 Ibanhez, J. Severino P.
 Chaillou, Gwenaelle
 Oehler, Till
 Onodera, Shin-ichi
 Saito, Mitsuyo
 Rodellas, Valenti
 Dimova, Natasha T.
 Montiel, Daniel
 Dulai, Henrietta
 Richardson, Christina
 Du, Jinzhou
 Petermann, Eric
 Chen, Xiaogang
 Davis, Kay L.
 Lamontagne, Sebastien
 Sugimoto, Ryo
 Wang, Guizhi
 Li, Hailong
 Torres, Americo I.
 Demir, Cansu
 Bristol, Emily
 Connolly, Craig T.
 McClelland, James W.
 Silva, Brenno J.
 Tait, Douglas
 Kumar, Busala Siva Kiran
 Viswanadham, Rongali
 Sarma, V. V. S. S.
 Silva-Filho, Emmanoel
 Shiller, Alan M.
 Lecher, Alanna
 Tamborski, Joseph
 Bokuniewicz, Henry J.
 Rocha, Carlos
 Reckhardt, Anja
 Bottcher, Michael Ernst
 Jiang, Shan
 Stieglitz, Thomas
 Gbewezoun, Houegnon Geraud Vinel
 Charbonnier, Celine
 Anschutz, Pierre
 Hernandez-Terrones, Laura M.
 Babu, Suresh
 Szymczycha, Beata
 Sadat-Noori, Mahmood
 Niencheski, Felipe
 Null, Kimberly
 Tobias, Craig
 Song, Bongkeun
 Anderson, Iris C.
 Santos, Isaac R.
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WilsonS_2024.pdf (2.58 MB)
WilsonS_2024supplementary.pdf (3.6 MB)
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https://hdl.handle.net/1912/71117
As Published
https://doi.org/10.1002/lol2.10390
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DOI
10.1002/lol2.10390
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https://doi.org/10.1002/lol2.10433
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Abstract
Terrestrial groundwater travels through subterranean estuaries before reaching the sea. Groundwater-derived nutrients drive coastal water quality, primary production, and eutrophication. We determined how dissolved inorganic nitrogen (DIN), dissolved inorganic phosphorus (DIP), and dissolved organic nitrogen (DON) are transformed within subterranean estuaries and estimated submarine groundwater discharge (SGD) nutrient loads compiling > 10,000 groundwater samples from 216 sites worldwide. Nutrients exhibited complex, nonconservative behavior in subterranean estuaries. Fresh groundwater DIN and DIP are usually produced, and DON is consumed during transport. Median total SGD (saline and fresh) fluxes globally were 5.4, 2.6, and 0.18 Tmol yr−1 for DIN, DON, and DIP, respectively. Despite large natural variability, total SGD fluxes likely exceed global riverine nutrient export. Fresh SGD is a small source of new nutrients, but saline SGD is an important source of mostly recycled nutrients. Nutrients exported via SGD via subterranean estuaries are critical to coastal biogeochemistry and a significant nutrient source to the oceans.
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© The Author(s), 2024. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Wilson, S., Moody, A., McKenzie, T., Cardenas, M., Luijendijk, E., Sawyer, A., Wilson, A., Michael, H., Xu, B., Knee, K., Cho, H., Weinstein, Y., Paytan, A., Moosdorf, N., Chen, C., Beck, M., Lopez, C., Murgulet, D., Kim, G., Charette, M. A., Waska, H., Ibanhez, J. S. P., Chaillou, G., Oehler, T., Onodera, S., Saito, M., Rodellas, V., Dimova, N., Montiel, D., Dulai, H., Richardson, C., Du, J., Petermann, E., Chen, X., Davis, K. L., Lamontagne, S., Sugimoto, R., Wang, G., Li, H., Torres, A. I., Demir, C., Bristol, E., Connolly, C. T., McClelland, J. W., Silva, B. J., Tait, D., Kumar, BSK, Viswanadham, R., Sarma, VVSS, Silva-Filho, E., Shiller, A., Lecher, A., Tamborski, J., Bokuniewicz, H., Rocha, C., Reckhart, A., Bottcher, M. E., Jiang, S., Stieglitz, T., Gbewezoun, H. G. V., Charbonnier, C., Anschutz, P., Hernandez-Terrones, L. M., Babu, S., Szymczycha, B., Sadat-Noori, M., Niencheski, F., Null, K., Tobias, C., Song, B., Anderson, I. C., & Santos, I. (2024). Global subterranean estuaries modify groundwater nutrient loading to the ocean. Limnology and Oceanography Letters, https://doi.org/10.1002/lol2.10390.
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Wilson, S., Moody, A., McKenzie, T., Cardenas, M., Luijendijk, E., Sawyer, A., Wilson, A., Michael, H., Xu, B., Knee, K., Cho, H., Weinstein, Y., Paytan, A., Moosdorf, N., Chen, C., Beck, M., Lopez, C., Murgulet, D., Kim, G., Charette, M. A., Waska, H., Ibanhez, J. S. P., Chaillou, G., Oehler, T., Onodera, S., Saito, M., Rodellas, V., Dimova, N., Montiel, D., Dulai, H., Richardson, C., Du, J., Petermann, E., Chen, X., Davis, K. L., Lamontagne, S., Sugimoto, R., Wang, G., Li, H., Torres, A. I., Demir, C., Bristol, E., Connolly, C. T., McClelland, J. W., Silva, B. J., Tait, D., Kumar, BSK, Viswanadham, R., Sarma, VVSS, Silva-Filho, E., Shiller, A., Lecher, A., Tamborski, J., Bokuniewicz, H., Rocha, C., Reckhart, A., Bottcher, M. E., Jiang, S., Stieglitz, T., Gbewezoun, H. G. V., Charbonnier, C., Anschutz, P., Hernandez-Terrones, L. M., Babu, S., Szymczycha, B., Sadat-Noori, M., Niencheski, F., Null, K., Tobias, C., Song, B., Anderson, I. C., & Santos, I. (2024). Global subterranean estuaries modify groundwater nutrient loading to the ocean. Limnology and Oceanography Letters.
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Marine Chemistry and Geochemistry (MC&G)
 Ecosystems Center
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