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FORMATION OF CARBON MONOXIDE FROM THE PHOTODEGRADATION OF TERRESTRIAL DISSOLVED ORGANIC CARBON IN NATURAL WATERS
Citation:
Valentine, R. AND R. Zepp. FORMATION OF CARBON MONOXIDE FROM THE PHOTODEGRADATION OF TERRESTRIAL DISSOLVED ORGANIC CARBON IN NATURAL WATERS. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-93/227 (NTIS PB93205102).
Description:
The photochemical formation of carbon monoxide (CO) in water samples obtained from wetlands, lakes, and near-coastal/shelf areas and in aqueous solutions of soil organic matter was investigated. ll of these samples contained dissolved organic matter that was largely derived from terrestrial sources. he studies show that, although the water samples had widely varying optical properties and CO photoproduction rates, the efficiencies for photochemical CO formation were remarkably. similar in all waters examined. odel calculations further indicated that photodegradation of terrestrial dissolved organic matter (e.g., in wetland and near-coastal environments) may be an important global source of carbon monoxide and a key process in cycling of dissolved organic matter in these environments.
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FORMATION OF CARBON MONOXIDE FROM THE PHOTODEGRADATION OF TERRESTRIAL DISSOLVED ORGANIC CARBON IN NATURAL WATERS