Evaluation Of Uncertainty And Risk Associated With Nitrate Nitrogen Pollution To Groundwater From Land Application Of Wastewater Sludges
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Evaluation Of Uncertainty And Risk Associated With Nitrate Nitrogen Pollution To Groundwater From Land Application Of Wastewater Sludges
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Author : Susan Sarah Kaufman
language : en
Publisher:
Release Date : 1985
Evaluation Of Uncertainty And Risk Associated With Nitrate Nitrogen Pollution To Groundwater From Land Application Of Wastewater Sludges written by Susan Sarah Kaufman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Groundwater categories.
Quantifying Uncertainty In Nitrate Pollution From Land Application Of Sewage Sludge
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Author : Mark Christopher Mummert
language : en
Publisher:
Release Date : 1987
Quantifying Uncertainty In Nitrate Pollution From Land Application Of Sewage Sludge written by Mark Christopher Mummert and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Groundwater categories.
Masters Theses In The Pure And Applied Sciences
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Author : Wade H. Shafer
language : en
Publisher: Springer
Release Date : 1987-10-31
Masters Theses In The Pure And Applied Sciences written by Wade H. Shafer and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987-10-31 with Science categories.
Masters Theses in the Pure and Applied Sciences was first conceived, published, SIld disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna and broader dissemination. tional publishing house to assure improved service Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 30 (thesis year 1985) a total of 12,400 theses titles from 26 Canadian and 186 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work.
Predicting Nitrate Concentrations In Leachate Resulting From Land Application Of Wastewater Onto Various Crop Systems Including Poplars
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Author : Marie Quitterie Motte
language : en
Publisher:
Release Date : 1997
Predicting Nitrate Concentrations In Leachate Resulting From Land Application Of Wastewater Onto Various Crop Systems Including Poplars written by Marie Quitterie Motte and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Groundwater categories.
Land application of industrial wastewater with high levels of nitrogen requires adequate management practices to prevent groundwater pollution by nitrates. In this study a predictive computerized model was developed for nitrate leachate concentrations resulting from land application of wastewater onto crop systems including poplars. The study included a literature review, development of a computer program that could serve this purpose, and a field investigation to test the validity of the computed predictions. The literature review focused on poplar water and nitrogen uptakes, and suggested that mature poplars could uptake up to 400 lb of nitrogen /acre/year and 2 3 million gallons of water per acre per year. The computer model, based on 10-day water and nutrient balances, takes into account a number of parameters such as wastewater quality, evapotranspiration and precipitation data, irrigation volumes, soil water holding capacities, fertilization, crop nutrient uptakes and crop coefficients. This study involves a number of assumptions selected to give conservative (i.e., worst case approach) model predictions. Attempts to validate the model were conducted through soil and groundwater sampling along with precipitation data collection in four distinct fields in Brooks, Oregon, from October 1996 to April 1997. The variations in nitrogen soil profiles from October to April helped determine the amount of nitrogen leaving the soil, and groundwater samples from 5 feet deep wells gave nitrate concentrations in groundwater below the root zone. A sensitivity analysis of the program demonstrated how important nitrogen and water uptakes values were to the model predictions. An increase of 1% in nitrogen uptake or of 0.4% in crop coefficients generated 1% decrease in nitrogen concentration of the leachate. These results are important to consider when adopting highly uncertain literature values for crop uptakes -especially with poplars. The field validation of the model showed promising results in terms of estimating average yearly leachate concentrations in nitrogen resulting from land application of wastewater, but also suggested that more groundwater wells were needed to obtain a statistically significant validation of the model. These preliminary field results indicate that the model can provide an indication of groundwater nitrogen concentration trends but needs to further verified to be used confidently as a predictive tool.
Stochastic Analysis Of Rural Runoff And Soil Erosion
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Author : David Eugene Merrill
language : en
Publisher:
Release Date : 1986
Stochastic Analysis Of Rural Runoff And Soil Erosion written by David Eugene Merrill and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Runoff categories.
A Stochastic Computer Model For Estimating Nitrate Contamination Of Groundwater From Sewage Sludge Applied To Forest Land
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Author : David Michael Crohn
language : en
Publisher:
Release Date : 1990
A Stochastic Computer Model For Estimating Nitrate Contamination Of Groundwater From Sewage Sludge Applied To Forest Land written by David Michael Crohn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Forest soils categories.
Loading Functions For Predicting Probabilities Of Pesticide Runoff
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Author : Hideaki Higashino
language : en
Publisher:
Release Date : 1990
Loading Functions For Predicting Probabilities Of Pesticide Runoff written by Hideaki Higashino and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Pesticides categories.
Loading Functions Of Pesticide Runoff
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Author : Weiping Li
language : en
Publisher:
Release Date : 1989
Loading Functions Of Pesticide Runoff written by Weiping Li and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Pesticides categories.
Risk Assessment For Groundwater Pollution Control
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Author : William F. McTernan
language : en
Publisher: ASCE Publications
Release Date : 1990-01-01
Risk Assessment For Groundwater Pollution Control written by William F. McTernan and has been published by ASCE Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990-01-01 with Technology & Engineering categories.
Prepared by the Groundwater Risk Assessment Task Committee for the Water Pollution Management Committee of the Environmental Engineering Division of ASCE. ThisØreport discusses the control of contaminated groundwater and the use of risk assessment to mitigate this contamination. The report explores such issues asØdefining the level of contamination,Ødetermining which substances are contaminants, andØdeciding the level of restoration needed. These and other issues are discussed within the framework of risk assessment and risk management. Critical components of risk assessment and risk management are described, as are their strengths and weaknesses.
Groundwater Contamination Risk Assessment
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Author : Eric George Reichard
language : en
Publisher:
Release Date : 1990
Groundwater Contamination Risk Assessment written by Eric George Reichard and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Drinking water categories.