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Showing 1 to 20 of 76 for “"Water quality management"”.
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Optimal Regionalization of Wastewater Treatment Facilities for Water Quality Management
Made available in DSpace on 2014-12-10T22:22:18Z (GMT). No. of bitstreams: 1 7511614.pdf: 4733241 bytes, checksum: 1dd1cc995e4aea7f9f402c9694704554 (MD5) Previous issue date: 1974
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Essays on Water Quality Management for the Chesapeake Bay Watershed
Water quality management for agricultural production is a complicated and interesting problem. Hydrological and economic factors must be considered when designing strategies to reduce nutrient runoff from agricultural activities. This dissertation is composed of three chapters that investigate …
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The design of a water quality management system for Nigerian rivers
There is an intricate relationship between waterquantity and quality, development, human health andwelfare, and aquatic life.Water availability is, however, variable inlocation and time. The increase in human populations andvarious anthropogenic activities have exertedsignificant impacts on the …
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Developing Multi-Scale Models for Water Quality Management in Drinking Water Distribution Systems
<p>Drinking water supply systems belong to the group of critical infrastructure systems that support the socioeconomic development of our modern societies. In addition, drinking water infrastructure plays a key role in the protection of public health by providing a common access to clean and safe …
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Understanding the role of trading in water quality management : based on U.S. experience
… demonstrates an overview of the performance of water quality trading programs currently implemented within the U.S. The role of trading in water quality management is identified through systematical comparisons of all possible aspects related to trading process, structure, and scale of existing …
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The relationship between the boron concentration of East Lansing municipal wastewater and retention time through the Michigan State University water quality management project under continuous flow conditions
Thesis (M.S.)--Michigan State University. Dept. of Fisheries and Wildlife, 1976
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Assessment of approaches to determine the water quality status of South African catchments
The paradigm shift in water quality management of South African water resources was based on current international trends. This significant move was from a previous emphasis on source management to a focus on finding a balance between water resource protection and water use. The current approach …
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ΠΟΙΟΤΙΚΗ ΔΙΑΧΕΙΡΙΣΗ ΥΠΟΓΕΙΩΝ ΥΔΑΤΙΚΩΝ ΠΟΡΩΝ
THIS STUDY DEALS WITH THE MANAGEMENT PROBLEMS THAT ARE RELATED TO THE SIMULTANEOUS UTILIZATION OF THE SAME AQUIFER FOR WATER SUPPLY AS WELL AS FOR WASTE DISPOSAL. THE FIRST PART OF THIS THESIS, IS A STATE OF THE ART ON GROUND WATER QUALITY MANAGEMENT PROBLEMS. IN THIS PART, ARE ALSO DEVELOPED AND …
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Parameter optimisation of river water quality models using genetic algorithms
Rivers can provide valuable supply of drinking water for humans, irrigation water to farmlands, water for hydropower and home for many aquatic ecosystems. However, due to population increase and its adverse effects on the rivers, inappropriate farming activities in the river catchments, and other …
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A geochemical investigation into the occurrence and fate of nitrogen and phosphorus in the lower Oliphants River, Western Cape
… ecosystems are of fundamental importance for water quality management, especially in cultivated areas where irrigation farming pose a salinization and eutrophication risk to water bodies. A range of water quality problems is associated with eutrophication, which is generally controlled by the …
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The effect of breaching on coastal pond water quality
Coastal pond breaching is used as a management strategy to improve water quality and reduce the frequency of harmful algal blooms (HABs) in many New England coastal ponds. At Sesachacha Pond, on Nantucket Island, MA, breaching currently is conducted twice annually with the goal of flushing …
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Addressing Trans-boundary Challenges Through Collaboration: How Organizations "Harmonize" Actions and Decisions Across Problem Landscapes
… This definition is applied in the context of water quality management, where the physical nature of watersheds and the lack of regulatory authority available to policy-makers leads to a variety of collaborative arrangements.</p> <p>A survey of literatures addressing collaboration from …
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Inexact Two-Stage Fuzzy Chance- Constrained Programming for Water Resource Management under Uncertainties
… Basin. The Heshui River provides the primary water resource for local economic activities. In recent years, there has been an increase in water demand in Yongxin County due to rapid economic development and rapid population growth. Water quality management has also been a major concern for …
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Market Policies for Control of Multiple Pollutants: Management Issues and Methods of Analysis
… These approaches are demonstrated for a water quality management program that controls BOD, phosphorus, and nitrogen discharges in a river basin.
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Simulation of local watershed nutrient and sediment delivery to Lake Texoma.
A hydrologic model and watershed export model was used to estimate the loading of nutrients and total suspended solids from un-gaged local watersheds associated with Lake Texoma. Discharge to the reservoir from local watersheds was predicted using a modification of the curve number method in HEC …
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Nahrungsnetzbewirtschaftung in Mittelgebirgstalsperren
… was carried out in order to try and improve the water quality of six deep reservoirs situated in the catchment area of the River Wupper. All the reservoirs are deep, dimictic soft-water lake types, covering a range from oligo-/mesotrophic to eutrophic. Although changing the fishery management …
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The use of a water quality model to evaluate the impacts of combined sewer overflows on the lower Hudson River
… long been recognized as a significant source of water pollution. While many sources of water pollution have been controlled over the past 20 years, CSOs continue to be a main environmental concern in several areas, especially in old cities. In the past, most CSO research focused on the CSO …
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Algal Biodiversity Survey of the Middle Chattahoochee River Using DNA Metabarcoding
<p>Aquatic plants play vital roles in water systems by providing ecological services, and one group that is understudied is algae. Algae play a crucial role in water systems as bioindicators and primary producers. They can be challenging to identify with the naked eye, so researchers have been …
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