Dissolved organic material DOM

In many freshwater aquatic systems, dissolved organic material (DOM) represents a major pool of organic material. Processes that produce, consume, and transform DOM are important in the overall cycling of carbon, energy, and nutrients in these aquatic ecosystems. Current research has... 

Natural dissolved organic material (DOM) concentration in the streams entering a 2 X 105 m3 water reservoir averages 7 mg/liter total annual inflow is 105 m3. Due to evaporation, annual outflow of liquid water (via a dam and spillway, and a municipal water intake) is only 9 X 104 m3, and DOM concentration in the outflow is 6.5 mg/liter. What is the sink strength for DOM, expressed per cubic meter of water per day ... 

When validating passive sampling it is difficult to select an appropriate benchmark with which to compare it since spot sampling concentrations are operationally defined, and fractions measured by filtration/ultrafiltration may not coincide exactly with fraction sequestered by passive samplers. The use of a tank trial where repeated spot samples can be taken to define the concentration profile over the deployment period shows promise, but in the study outlined above some problems were identified. There were indications that the dissolved organic material (DOM) in the finite volume... 

The organic material is subjected to a variety of anabolic and catabolic processes, which are controlled by organisms. Metabolites of these processes can be released into the water as both, as POM and as dissolved organic material (DOM). Also in DOM, the amount of inorganic precursors is generally quantified as a sum of dissolved organic carbon, nitrogen or phosphorus (DOC, DON, DOP). As DOM is not subjected to... 

In a sunlit natural surface water receiving incident light with intensity I (A), dissolved organic material (DOM) acts as a sensitizer for producing the singlet oxygen (for details, see Section 2.2). In this case, the rate of photooxidation of a pollutant P with this photooxydant can be described by the kinetic expression ... 

Fluorescence Indices and Their Interpretation Quality of Dissolved Organic Material (DOM) varies with source... 

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