期刊
ESTUARIES AND COASTS
卷 34, 期 1, 页码 68-77出版社
SPRINGER
DOI: 10.1007/s12237-010-9299-9
关键词
Inorganic carbon; Macro-tidal estuary; Carbon dioxide; Flood
资金
- NASA Carbon [NNX08AL8OG]
- NOAA Joint Center for Ocean Observation Technology [NA05NOS4731206]
- Division Of Ocean Sciences [0851447] Funding Source: National Science Foundation
Four surveys of the adjacent Cocheco, Bellamy, and Oyster estuaries reveal spatial heterogeneity with respect both to river-born carbon dioxide (CO2) fluxes and CO2 exchange with the atmosphere (-17 to 51 mmol m(-2)day(-1)), a finding partially explained by CO2 inputs from contributing watersheds. Nonuniform nutrient and organic carbon loading from upstream rivers and within the estuaries is considered as a mechanism resulting in the variability between estuaries. Conditions during the surveys included spring river runoff and phytoplankton blooms, drought with baseline river flow, and a historic flood which led to a large CO2 release to the atmosphere. This study highlights the variability of CO2 transport and release found between proximate estuaries over a wide range of flow conditions.
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