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- Title
Submarine groundwater discharge: An important source of new inorganic nitrogen to coral reef ecosystems.
- Authors
Paytan, Adina; Shellenbarger, Gregory G.; Street, Joseph H.; Gonneea, Meagan E.; Davis, Kristen; Young, Megan B.; Moore, Willard S.
- Abstract
Using radium (Ra) isotopes and nutrient analyses, we found that submarine groundwater discharge (SGD) is an important source of "new" nutrients, particularly nitrogen, to coral reefs around the world. Nitrogen input estimates associated with SGD range from 3 to 800 mmol h-1 per meter of shoreline. The use of Ra isotopes allows us to quantify the inorganic nitrogen input from this source of nutrients. Increasing coastal population and land use practices may enhance anthropogenic nutrient loading from submarine groundwater contributing to reef degradation.
- Subjects
NITROGEN; ISOTOPES; GROUNDWATER; WATER; RADIOACTIVE substances; RADIUM; CORAL reefs &; islands
- Publication
Limnology & Oceanography, 2006, Vol 51, Issue 1, p343
- ISSN
0024-3590
- Publication type
Article
- DOI
10.4319/lo.2006.51.1.0343