Concentrations and characteristics of organic carbon in surface water in Arizona: influence of urbanization

Dissolved (DOC) and total (TOC) organic carbon concentrations and compositions were studied for several river systems in Arizona, USA. DOC composition was characterized by ultraviolet and visible absorption and fluorescence emission (excitation wavelength of 370 nm) spectra characteristics. Ephemera...

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Bibliographic Details
Published in:Journal of hydrology (Amsterdam) 2000-09, Vol.236 (3), p.202-222
Main Authors: Westerhoff, P, Anning, D
Format: Article
Language:English
Subjects:
Arid watershed
Earth sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
Exact sciences and technology
Fluorescence
Hydrology
Hydrology. Hydrogeology
Organic carbon
Pollution, environment geology
Ultraviolet
Urban
USA, Arizona
Water resources
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Summary:Dissolved (DOC) and total (TOC) organic carbon concentrations and compositions were studied for several river systems in Arizona, USA. DOC composition was characterized by ultraviolet and visible absorption and fluorescence emission (excitation wavelength of 370 nm) spectra characteristics. Ephemeral sites had the highest DOC concentrations, and unregulated perennial sites had lower concentrations than unregulated intermittent sites, regulated sites, and sites downstream from wastewater-treatment plants ( p
ISSN:0022-1694
1879-2707
DOI:10.1016/S0022-1694(00)00292-4