This report contains information on the 40 new projects funded by the U.S. Geological Survey's Water Resources Research Grant Program in fiscal year 1990 and on 24 projects completed during the year. For the new projects, the report gives the grant number, project title, performing organization, principal investigator(s) , project duration, and a project description that includes: (1) identification of water-related problems, (2) contribution to problem solution, (3) objectives, and (4) approach. The 40 projects include 7 in the area of water transport and flow, 7 in agricultural pollution, 6 in water quality, 6 in biology, 7 in economics and management, and 7 in climate and hydrology. For the 24 completed projects, the report gives the grant number, project title, performing organization, principal investigator(s) , starting date, date of receipt of final report, and an abstract of the final report. Each project description provides the information needed to obtain a copy of the final report. The report also contains tables showing (1) proposals received according to area of research interest, (2) grant awards and funding according to area of research interest, (3) proposals received according to type of submitting organization, and (4) awards and funding according to type of organization.
This report contains information on the 17 new projects funded by the U.S. Geological Survey's Water Resources Research Grant Program in fiscal year 1992 and on 39 projects completed during the year. For the new projects, the report gives the grant number, title, performing organization, principal investigator(s), project duration, and a project description that includes: (1) identification of water-related problems, (2) contribution to problem solution, (3) objectives, and (4) approach. The 17 projects include 2 in the area of biological sciences, 4 in climate and hydrologic processes, 3 in engineering, 2 in groundwater flow and transport, 4 in social sciences and 2 in water quality. For the 39 completed projects, the report gives the grant number, title, performing organization, principal investigator(s), starting date, date of receipt of final report, and an abstract of the final report. Each project description provides the information needed to obtain a copy of the final report. The report also contains tables showing (1) proposals received according to area of research interest, (2) awards and funding according to area of research interest, (3) proposals received according to type of submitting organization, and (4) awards and funding according to type of organization.
Land application of hazardous wastes can lead to contamination of ground water and destruction of water resources. The fate and transport of contaminants in ground water are often controlled by natural biodegradation processes that occur under appropriate conditions. These processes can be enhanced, accelerated, or otherwise manipulated to achieve desired results. To predict and control ground-water quality, these processes need to be better understood. It was the aim of this research to find answers to current questions about biodegradation of organic contaminants in aquifers using a newly developed analysis tool.This report outlines a 1-year research project that determined the utility of the remote, laser-induced fluorescence/fiber optics ground-water contaminant detector (RLIF) technique for monitoring biodegradation processes in groundwater systems. The project involved construction, calibration, and use of model aquifers in the laboratory, as well as use of RLIF to study such models. Results from the small laboratory-model aquifer studies indicate that phenol and trichlorophenol are useful model compounds for the prototype RLIF in monitoring concentration changes resulting from biodegradation.
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