Unveiling Hidden Mercury and Methylmercury Sources: The Role of Submarine Groundwater Discharge in Coastal Lagoons
12 pages, 5 figures, 1 table, supporting information https://doi.org/10.1021/acs.est.5c07191.-- The complete dataset can be downloaded at https://doi.org/10.5281/zenodo.17045205
| Authors: | , , , , , , , , , , , , , , , , , |
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| Format: | article |
| Status: | Published version |
| Publication Date: | 2025 |
| Country: | España |
| Institution: | Consejo Superior de Investigaciones Científicas (CSIC) |
| Repository: | DIGITAL.CSIC. Repositorio Institucional del CSIC |
| OAI Identifier: | oai:digital.csic.es:10261/402356 |
| Online Access: | http://hdl.handle.net/10261/402356 |
| Access Level: | Open access |
| Keyword: | Biogeochemistry Mercury budget Methylmercury Submarine groundwater discharge Coastal aquifer Mar Menor http://metadata.un.org/sdg/6 Ensure availability and sustainable management of water and sanitation for all |
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Unveiling Hidden Mercury and Methylmercury Sources: The Role of Submarine Groundwater Discharge in Coastal Lagoons |
| title |
Unveiling Hidden Mercury and Methylmercury Sources: The Role of Submarine Groundwater Discharge in Coastal Lagoons |
| spellingShingle |
Unveiling Hidden Mercury and Methylmercury Sources: The Role of Submarine Groundwater Discharge in Coastal Lagoons Lavergne, Céline Biogeochemistry Mercury budget Methylmercury Submarine groundwater discharge Coastal aquifer Mar Menor http://metadata.un.org/sdg/6 Ensure availability and sustainable management of water and sanitation for all |
| title_short |
Unveiling Hidden Mercury and Methylmercury Sources: The Role of Submarine Groundwater Discharge in Coastal Lagoons |
| title_full |
Unveiling Hidden Mercury and Methylmercury Sources: The Role of Submarine Groundwater Discharge in Coastal Lagoons |
| title_fullStr |
Unveiling Hidden Mercury and Methylmercury Sources: The Role of Submarine Groundwater Discharge in Coastal Lagoons |
| title_full_unstemmed |
Unveiling Hidden Mercury and Methylmercury Sources: The Role of Submarine Groundwater Discharge in Coastal Lagoons |
| title_sort |
Unveiling Hidden Mercury and Methylmercury Sources: The Role of Submarine Groundwater Discharge in Coastal Lagoons |
| dc.creator.none.fl_str_mv |
Lavergne, Céline Rodríguez-Puig, Júlia Ruiz-González, Clara Montero Curiel, María Casas, Gemma Romano Gude, Daniel Alorda-Montiel, Irene Dordal Soriano, Júlia Alorda-Kleinglass, Aaron Diego-Feliu, Marc Gilabert, Javier Campillo de La Maza, Alex Romera-Castillo, Cristina Torres-Rodríguez, Natalia Heimbürguer-Boavida, Lars-Eric García-Orellana, Jordi Rodellas, Valentí Bravo, Andrea G. |
| author |
Lavergne, Céline |
| author_facet |
Lavergne, Céline Rodríguez-Puig, Júlia Ruiz-González, Clara Montero Curiel, María Casas, Gemma Romano Gude, Daniel Alorda-Montiel, Irene Dordal Soriano, Júlia Alorda-Kleinglass, Aaron Diego-Feliu, Marc Gilabert, Javier Campillo de La Maza, Alex Romera-Castillo, Cristina Torres-Rodríguez, Natalia Heimbürguer-Boavida, Lars-Eric García-Orellana, Jordi Rodellas, Valentí Bravo, Andrea G. |
| author_role |
author |
| author2 |
Rodríguez-Puig, Júlia Ruiz-González, Clara Montero Curiel, María Casas, Gemma Romano Gude, Daniel Alorda-Montiel, Irene Dordal Soriano, Júlia Alorda-Kleinglass, Aaron Diego-Feliu, Marc Gilabert, Javier Campillo de La Maza, Alex Romera-Castillo, Cristina Torres-Rodríguez, Natalia Heimbürguer-Boavida, Lars-Eric García-Orellana, Jordi Rodellas, Valentí Bravo, Andrea G. |
| author2_role |
author author author author author author author author author author author author author author author author author |
| dc.contributor.none.fl_str_mv |
Agencia Estatal de Investigación (España) Generalitat de Catalunya European Commission Ministerio de Ciencia, Innovación y Universidades (España) Fundación Séneca Gobierno de la Región de Murcia Ministerio de Ciencia e Innovación (España) Generalitat de Catalunya Agence Nationale de la Recherche (France) Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72] |
| dc.subject.none.fl_str_mv |
Biogeochemistry Mercury budget Methylmercury Submarine groundwater discharge Coastal aquifer Mar Menor http://metadata.un.org/sdg/6 Ensure availability and sustainable management of water and sanitation for all |
| topic |
Biogeochemistry Mercury budget Methylmercury Submarine groundwater discharge Coastal aquifer Mar Menor http://metadata.un.org/sdg/6 Ensure availability and sustainable management of water and sanitation for all |
| description |
12 pages, 5 figures, 1 table, supporting information https://doi.org/10.1021/acs.est.5c07191.-- The complete dataset can be downloaded at https://doi.org/10.5281/zenodo.17045205 |
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2025 |
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2025 2025 2025 |
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info:eu-repo/semantics/article http://purl.org/coar/resource_type/c_6501 Publisher's version info:eu-repo/semantics/publishedVersion |
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article |
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http://hdl.handle.net/10261/402356 |
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http://hdl.handle.net/10261/402356 |
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Inglés |
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Inglés |
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info:eu-repo/semantics/openAccess |
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openAccess |
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American Chemical Society |
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American Chemical Society |
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reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC instname:Consejo Superior de Investigaciones Científicas (CSIC) |
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Unveiling Hidden Mercury and Methylmercury Sources: The Role of Submarine Groundwater Discharge in Coastal LagoonsLavergne, CélineRodríguez-Puig, JúliaRuiz-González, ClaraMontero Curiel, MaríaCasas, GemmaRomano Gude, DanielAlorda-Montiel, IreneDordal Soriano, JúliaAlorda-Kleinglass, AaronDiego-Feliu, MarcGilabert, JavierCampillo de La Maza, AlexRomera-Castillo, CristinaTorres-Rodríguez, NataliaHeimbürguer-Boavida, Lars-EricGarcía-Orellana, JordiRodellas, ValentíBravo, Andrea G.BiogeochemistryMercury budgetMethylmercurySubmarine groundwater dischargeCoastal aquiferMar Menorhttp://metadata.un.org/sdg/6Ensure availability and sustainable management of water and sanitation for all12 pages, 5 figures, 1 table, supporting information https://doi.org/10.1021/acs.est.5c07191.-- The complete dataset can be downloaded at https://doi.org/10.5281/zenodo.17045205Mercury loads from Submarine Groundwater Discharge (SGD) may represent an overlooked source of methylmercury (MeHg) to the ocean, affecting human and ecosystem health. The SGD process involves the flow of fresh, saline, or mixed groundwater from coastal aquifers into the oceans classified in different components. Existing studies rarely report the fluxes supplied by the different SGD components; therefore, the relevance of SGD as a source of mercury remains unclear. We aimed to quantify SGD-driven mercury/methylmercury fluxes to the coast, focusing on the largest coastal lagoon in the western Mediterranean. We measured total dissolved mercury and MeHg in surficial and porewaters during the summer and autumn. Porewaters were enriched in total dissolved Hg and MeHg compared to the lagoon. Lagoon shore waters and porewaters with a high concentration of labile dissolved organic matter were prone to MeHg formation and thus had higher MeHg concentrations. The mercury input through SGD to the Mar Menor lagoon (4300 mmol year–1) was similar to atmospheric deposition and 1 order of magnitude greater than the stream input. Among different components of the SGD, long-scale lagoon water recirculation dominated. These findings have substantial implications for the regional Hg budget and raise awareness of the importance of considering the different SGD components for an accurate estimation of SGD-based Hg input to the coastal oceanThis research was funded by the Marie Curie Postdoctoral Fellowship HORIZON-MSCA-2022-PF-01 project grant number 101106387. The research was also supported by MerTerMar (PID2019-111722RJ-I00), the OPAL (PID2019-110311RB-C21), MINIOM (PID2022-142480NB-I00), WINDERS (TED2021-130710B-I00) funded by the Spanish Ministry of Science Innovation and Universities (MICINN) and by European Union NextGenerationEU/PRTR. This study also formed part of the THINKINAZUL program and was supported by MICIU with funding from European Union NextGenerationEU (PRTR-C17.I1) and by Fundación Séneca with funding from Comunidad Autónoma Región de Murcia (CARM) with additional funds also provided by the D.G. Mar Menor (CARM). C. Ruiz-González. was further supported by a RyC contract (RYC2019-026758-I). A. G. Bravo was supported by RyC contract (RYC2019-028400-I). J. Rodriguez-Puig acknowledges financial support from FPU grant FPU20/01369, and the institutional support of the María de Maeztu Programme (CEX2019-000940-M) for Units of Excellence of the Spanish Ministry of Science and Innovation. M. Montero-Curiel acknowledges the funding from the FPI grant (PRE2020-096147), with the institutional support of the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2019-000928-S-20-5). D. Romano-Gude acknowledges the funding from the FPI grant (PRE2020-095468), with the institutional support of the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2019-000928-S-20-2). I. Alorda-Montiel acknowledges financial support from FPI grant PRE2020-092343. M. Diego-Feliu acknowledges financial support from grant JDC2022-050316-I funded by MCIN/AEI/10.13039/501100011033 and by the European Union - NextGenerationEU/PRTR, and support from the Grup d’Hidrologia Subterrània - GHS (Universitat Politècnica de Catalunya) funded by grant 2021-SGR 00609 from Generalitat de Catalunya. L-E. Heimbürger-Boavida acknowledges financial support from the French National Research Agency (ANR) through the project HydrOThermal Mercury (ANR-21-CE34-0026), and from the European Union’s Horizon 2020 research and innovation program under the Marie Skłodowska-Curie GMOSTrain, grant agreement no. 860497This work acknowledges the Severo Ochoa Centre of Excellence accreditation (CEX2024-001494-S) funded by AEI 10.13039/501100011033. Support from the Direcció General de Recerca from Generalitat de Catalunya (2021-SGR-00640) through the Marine and Environmental Biogeosciences Research Group-MERS is also acknowledgedPeer reviewedAmerican Chemical SocietyAgencia Estatal de Investigación (España)Generalitat de CatalunyaEuropean CommissionMinisterio de Ciencia, Innovación y Universidades (España)Fundación SénecaGobierno de la Región de MurciaMinisterio de Ciencia e Innovación (España)Generalitat de CatalunyaAgence Nationale de la Recherche (France)Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202520252025info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/402356reponame:DIGITAL.CSIC. 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15.198674 |