Seasonal Dynamics in Dissolved Organic Carbon Concentrations in a Coastal Water-Table Aquifer at the Forest-Marsh Interface

Seasonal Dynamics in Dissolved Organic Carbon Concentrations in a Coastal Water-Table Aquifer at the Forest-Marsh Interface

The seasonal dynamics of dissolved organic carbon (DOC) in a subterranean estuary were examined in a coastal water-table aquifer extending across a forest-marsh interface into an adjacent tidal creek that leads to North Inlet (SC). The aquifer is characterized by groundwater flow from the forest rec...

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Veröffentlicht in:Aquatic geochemistry 2003-09, Vol.9 (3), p.209-232
Hauptverfasser: Goñi, Miguel A., Gardner, I. Robert
Format: Artikel
Sprache:eng
Schlagworte:
Aquifers
Carbon
Coastal aquifers
Coastal waters
Creeks
Dissolved organic carbon
Estuaries
Evapotranspiration
Forests
Groundwater
Groundwater discharge
Groundwater flow
Marshes
Seawater
Water table
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Zusammenfassung:The seasonal dynamics of dissolved organic carbon (DOC) in a subterranean estuary were examined in a coastal water-table aquifer extending across a forest-marsh interface into an adjacent tidal creek that leads to North Inlet (SC). The aquifer is characterized by groundwater flow from the forest recharge area towards the creek. DOC concentrations range from 50 to 140 mg L^sup -1^ in the shallow portions of the aquifer below the forest and undergo seasonal changes that are inversely related to temperature and precipitation conditions. Markedly lower DOC concentrations (
ISSN:1380-6165
1573-1421
DOI:10.1023/B:AQUA.0000022955.82700.ed