#1  
قديم 23-04-2016, 10:46 PM
المسؤول الفني
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تاريخ التسجيل: Mar 2003
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تم تعطيل التقييم
Ground Water and Surface Water A Single Resource



Ground Water and Surface Water A Single Resource


Ground Water and Surface Water Single Resource


كتاب PDF
Ground Water and Surface Water A Single Resource

Ground Water and Surface Water Single Resource


As the Nation's concerns over water resources and the environment increase, the importance of considering ground water and surface water as a single resource has become increasingly evident. Issues related to water supply, water quality, and degradation of aquatic environments are reported on frequently. The interaction of ground water and surface water has been shown to be a significant concern in many of these issues. For example, contaminated aquifers that discharge to streams can result in long-term contamination of surface water; conversely, streams can be a major source of contamination to aquifers. Surface water commonly is hydraulically connected to ground water, but the interactions are difficult to observe and measure and commonly have been ignored in water-management considerations and policies. Many natural processes and human activities affect the interactions of ground water and surface water. The purpose of this report is to present our current understanding of these processes and activities as well as limitations in our knowledge and ability to characterize them.


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http://mediafire.com/download/001/004/Ground.Wa...e.Resource.rar



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  #2  
قديم 06-04-2018, 03:05 PM
عضو جديد
رقم العضوية: 1026289
تاريخ التسجيل: Mar 2018
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الإقامة: middel and fas east
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