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Steady State Dissolved Oxygen Model Of The Willamette River Oregon
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Book Synopsis Steady-state Dissolved Oxygen Model of the Willamette River, Oregon by : Geological Survey (U.S.)
Download or read book Steady-state Dissolved Oxygen Model of the Willamette River, Oregon written by Geological Survey (U.S.) and published by . This book was released on 1978 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Steady-State Dissolved Oxygen Model of the Willamette River, Oregon by : Geological Survey (U.S.)
Download or read book Steady-State Dissolved Oxygen Model of the Willamette River, Oregon written by Geological Survey (U.S.) and published by . This book was released on 1975 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis River-quality Assessment of the Willamette River Basin, Oregon by : Stuart W. MacKenzie
Download or read book River-quality Assessment of the Willamette River Basin, Oregon written by Stuart W. MacKenzie and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis River-quality Assessment of the Willamette River Basin, Oregon by : Geological Survey (U.S.)
Download or read book River-quality Assessment of the Willamette River Basin, Oregon written by Geological Survey (U.S.) and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Planning Alternatives for Maintaining Desirable Dissolved-oxygen Concentrations in Willamette River, Oregon by :
Download or read book Evaluation of Planning Alternatives for Maintaining Desirable Dissolved-oxygen Concentrations in Willamette River, Oregon written by and published by . This book was released on 1979 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Planning Alternatives for Maintaining Desirable Dissolved-oxygen Concentrations in the Willamette River, Oregon by : David A. Rickert
Download or read book Evaluation of Planning Alternatives for Maintaining Desirable Dissolved-oxygen Concentrations in the Willamette River, Oregon written by David A. Rickert and published by . This book was released on 1976 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissolved Oxygen Regimen of the Willamette River, Oregon, Under Conditions of Basinwide Secondary Treatment by :
Download or read book Dissolved Oxygen Regimen of the Willamette River, Oregon, Under Conditions of Basinwide Secondary Treatment written by and published by . This book was released on 1977 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissolved Oxygen Data Analysis and Modeling for the Willamette River, Oregon by : HydroQual, Inc
Download or read book Dissolved Oxygen Data Analysis and Modeling for the Willamette River, Oregon written by HydroQual, Inc and published by . This book was released on 1990 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sediment Oxygen Demand in the Lower Willamette River, Oregon, 1994 by : James M. Caldwell
Download or read book Sediment Oxygen Demand in the Lower Willamette River, Oregon, 1994 written by James M. Caldwell and published by . This book was released on 1995 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reservoir-system Model for the Willamette River Basin, Oregon by : James O. Shearman
Download or read book Reservoir-system Model for the Willamette River Basin, Oregon written by James O. Shearman and published by . This book was released on 1976 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: For nearly half a century the Willamette River in Oregon experienced severe dissolved-oxygen problems related to large loads of organically rich waste waters from industries and municipalities. Since the mid-1950 's dissolved oxygen quality has gradually improved owing to low-flow augmentation, the achievement of basinwide secondary treatment, and the use of other waste-management practices. As a result, summer dissolved-oxygen levels have increased, salmon runs have returned, and the overall effort is widely regarded as a singular water-quality success. To document the improved dissolved-oxygen regimen, the U.S. Geological Survey conducted intensive studies of the Willamette during the summer low-flow seasons of 1973 and 1974. During each summer the mean daily dissolved-oxygen levels were found to be higher than 5 milligrams per liter throughout the river. Because of the basinwide secondary treatment, carbonaceous deoxygenation rates were low. In addition, almost half of the biochemical oxygen demand entering the Willamette was from diffuse (nonpoint) sources rather than outfalls. These results indicated that point-source biochemical oxygen demand was no longer the primary cause of dissolved-oxygen depletion. Instead, the major causes of deoxygenation were nitrification in a shallow ' surface active ' reach below Salem and an anomalous oxygen demand (believed to be primarily of benthal origin) in Portland Harbor.
Book Synopsis U.S. Geological Survey Circular by :
Download or read book U.S. Geological Survey Circular written by and published by . This book was released on 1933 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water-resources Investigations Report by :
Download or read book Water-resources Investigations Report written by and published by . This book was released on 1997 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1987 with total page 952 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis List of U.S. Geological Survey Geologic and Water-supply Reports and Maps for Oregon by : Geological Survey (U.S.)
Download or read book List of U.S. Geological Survey Geologic and Water-supply Reports and Maps for Oregon written by Geological Survey (U.S.) and published by . This book was released on 1987 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissolved Oxygen Regimen of the Willamette River, Oregon, Under Conditions of Basinwide Secondary Treatment by :
Download or read book Dissolved Oxygen Regimen of the Willamette River, Oregon, Under Conditions of Basinwide Secondary Treatment written by and published by . This book was released on 1977 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis List of U.S. Geological Survey Geologic and Water-supply Reports and Maps for ... by : Geological Survey (U.S.)
Download or read book List of U.S. Geological Survey Geologic and Water-supply Reports and Maps for ... written by Geological Survey (U.S.) and published by . This book was released on 1987 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissolved-oxygen regimen of the Willamette River, Oregon, under conditions of basinwide secondary treatment by :
Download or read book Dissolved-oxygen regimen of the Willamette River, Oregon, under conditions of basinwide secondary treatment written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: