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Detailed Reference Information |
Uher, G., Hughes, C., Henry, G. and Upstill-Goddard, R.C. (2001). Non-conservative mixing behavior of colored dissolved organic matter in a humic-rich, turbid estuary. Geophysical Research Letters 28: doi: 10.1029/2000GL012509. issn: 0094-8276. |
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The estuarine mixing behavior of colored dissolved organic matter (CDOM) absorbance was investigated in combined field and laboratory studies. From February to October 1998, surface water samples were collected along 9 transects in the Tyne estuary. Northeast England, from the tidal limit into the coastal North Sea. In 8 of these transects, mixing plots of absorbance vs. salinity indicated substantial removal of CDOM absorbance (average: 32%) in the upper estuary. Results from laboratory studies under simulated estuarine conditions suggest that an average of 21% (range: 9--39%) of riverine CDOM may be removed by adsorption onto suspended sediment, while CDOM flocculation accounted for an average removal of only 6% (range: 0--18%). We propose that adsorptive removal exerts a major control on CDOM in estuaries with elevated turbidity levels. ¿ 2001 American Geophysical Union |
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Abstract |
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Keywords
Oceanography, General, Estuarine processes, Oceanography, Biological and Chemical, Biogeochemical cycles, Oceanography, Biological and Chemical, Carbon cycling, Oceanography, Biological and Chemical, Optics |
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Publisher
American Geophysical Union 2000 Florida Avenue N.W. Washington, D.C. 20009-1277 USA 1-202-462-6900 1-202-328-0566 service@agu.org |
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