Water Quantity and Water Quality Issues: Who Has the Right to Use Water?
نویسندگان
چکیده
منابع مشابه
A Meta-model for Water Quantity and Water Quality
The management of water resources requires simulation models for different time horizons and spatial scales as well as different types of information systems as GIS or Water Information Systems. Mathematical models integrate former experiences and theoretical knowledge about a system with actual information gained by natural processes and man-induced activities. Because of the great variety and...
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This inequality is especially critical for Asia, which has 60% of the world’s population but only 36% of the world’s water. Water quality in terms of pollutant loading also is not distributed equally and is related to the type of use and a country’s level of development (Figure 2). Developing countries often have less capacity to improve water quality and depend on lower-quality water for a var...
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Water, salinity and nitrogen are the major factors affecting maize production in arid and semi-arid areas. The objectives of this study were to investigate the effects of different water, salinity and nitrogen levels on yield-water relationships, water use, water productivity (WP), water use efficiency (WUE) and water uptake reduction function by maize hybrid SC-704 in a semi-arid area and ...
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There has been much recent emphasis on sustainable development of water resources in that the needs of the present generation are fulfilled without compromising future generations to meet their needs. Also, systems of flood protection and management are being increasingly considered in the context of sustainable development. Destructive floods have jeopardized settlements located near rivers si...
متن کاملSome legal and technical issues related to water-spreading weirs
Indigenous flood harvesting method for irrigation in Khorasan, which are called water-spreading weir are constructed and operated by farmers without any cost to the government. Although, the benefits of water-spreading weirs are clear for many experts and the authorities as well, this method receives a little attention by governmental soil and water conservation services. This problem and a few...
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ژورنال
عنوان ژورنال: Journal of Applied Poultry Research
سال: 2004
ISSN: 1056-6171
DOI: 10.1093/japr/13.1.143