Controls on the composition of dissolved organic matter in treatment wetland source waters of South Florida, USA

Dissolved organic matter (DOM) plays an important role in the phosphorus (P) and nitrogen (N) cycle, but the examination of coupled biogeochemical cycling in treatment wetlands, like the Everglades Stormwater Treatment Areas (STAs), has been limited. Here, we studied eight STA inflow waters to gain...

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Bibliographic Details
Published in:Ecological engineering 2023-09, Vol.194, p.107047, Article 107047
Main Authors: Amaral, Joao Henrique F., Gaddy, Jacob R., Bianchi, Thomas S., Osborne, Todd Z., Newman, Susan, Dombrowski, Jacob, Morrison, Elise S.
Format: Article
Language:English
Subjects:
Dissolved organic matter
Everglades
Nutrients
Photochemistry
Treatment wetlands
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Summary:Dissolved organic matter (DOM) plays an important role in the phosphorus (P) and nitrogen (N) cycle, but the examination of coupled biogeochemical cycling in treatment wetlands, like the Everglades Stormwater Treatment Areas (STAs), has been limited. Here, we studied eight STA inflow waters to gain insights into the production and potential photo- and biolability of DOM in surface waters flowing into these treatment wetlands. A suite of optical and fluorometric indices was coupled with amino acid and bulk elemental analyses to evaluate differences in inflow water quality for particulate organic matter (POM), DOM (
ISSN:0925-8574
1872-6992
DOI:10.1016/j.ecoleng.2023.107047