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Sea level rise produces abundant organobromines in salt-affected coastal wetlands

Author(s): Joe-Wong, Claresta; Schlesinger, Danielle R; Chow, Alex T; Myneni, Satish CB

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dc.contributor.authorJoe-Wong, Claresta-
dc.contributor.authorSchlesinger, Danielle R-
dc.contributor.authorChow, Alex T-
dc.contributor.authorMyneni, Satish CB-
dc.date.accessioned2022-01-25T14:49:36Z-
dc.date.available2022-01-25T14:49:36Z-
dc.date.issued2019-04-23en_US
dc.identifier.citationJoe-Wong, Claresta, Danielle R. Schlesinger, Alex T. Chow, and Satish CB Myneni. "Sea level rise produces abundant organobromines in salt-affected coastal wetlands." Geochemical Perspectives Letters 10 (2019): 31-35. doi: 10.7185/geochemlet.1911.en_US
dc.identifier.issn2410-339X-
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr18911q3f-
dc.description.abstractGlobal sea level rise exposes terrestrially derived natural organic matter to elevated salinities, which may alter the complex biogeochemical cycling of halogens in coastal wetland sediments. Here we show that sea level rise increases the natural production of organobromines in submerged soils and wetland sediments. We compared the concentrations and speciation of sedimentary chlorine and bromine along a salinity gradient in low-lying coastal forested wetlands in Winyah Bay (South Carolina, United States). Sorption differences between chloride and bromide were not observed, but up to 80 % of total retained bromine is organically bound, with the highest fraction of organically bound bromine found in formerly freshwater wetlands inundated by seawater. Wet/dry cycling of soils and the abundance of aromatic-rich natural organic matter in these salt-affected dieback forested wetlands promote bromination of organic matter, as demonstrated by laboratory simulations. Bromination of soil organic matter caused by continued sea level rise thus may be a major source of organobromines in coastal environments and possibly volatile halomethanes.en_US
dc.format.extent31 - 35en_US
dc.language.isoen_USen_US
dc.relation.ispartofGeochemical Perspectives Lettersen_US
dc.rightsFinal published version. This is an open access article.en_US
dc.titleSea level rise produces abundant organobromines in salt-affected coastal wetlandsen_US
dc.typeJournal Articleen_US
dc.identifier.doidoi: 10.7185/geochemlet.1911-
dc.identifier.eissn2410-3403-
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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