Diurnal variability in riverine dissolved organic matter composition determined by in situ optical measurement in the San Joaquin River (California, USA)

Diurnal variability in riverine dissolved organic matter composition determined by in situ optical measurement in the San Joaquin River (California, USA)

Dissolved organic matter (DOM) concentration and composition in riverine and stream systems are known to vary with hydrological and productivity cycles over the annual and interannual time scales. Rivers are commonly perceived as homogeneous with respect to DOM concentration and composition, particu...

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Veröffentlicht in:Hydrological processes 2007-11, Vol.21 (23), p.3181-3189
Hauptverfasser: Spencer, Robert G.M, Pellerin, Brian A, Bergamaschi, Brian A, Downing, Bryan D, Kraus, Tamara E.C, Smart, David R, Dahlgren, Randy A, Hernes, Peter J
Format: Artikel
Sprache:eng
Schlagworte:
absorbance
dissolved organic matter
diurnal
Earth sciences
Earth, ocean, space
Exact sciences and technology
fluorescence
Freshwater
Geochemistry
Hydrology
Hydrology. Hydrogeology
Mineralogy
San Joaquin River
Silicates
Water geochemistry
water quality
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Zusammenfassung:Dissolved organic matter (DOM) concentration and composition in riverine and stream systems are known to vary with hydrological and productivity cycles over the annual and interannual time scales. Rivers are commonly perceived as homogeneous with respect to DOM concentration and composition, particularly under steady flow conditions over short time periods. However, few studies have evaluated the impact of short term variability (
ISSN:0885-6087
1099-1085
DOI:10.1002/hyp.6887