نتایج جستجو برای: مدل drastic واسنجیشده
تعداد نتایج: 130476 فیلتر نتایج به سال:
In spite of The uncontrolled exploitation of groundwater that has caused a sharp drop in water level, Agricultural, industrial and urban activities enter contaminant to various aquifers. Due to Dehgolan plain importance in water supply of industrial, drinking and agriculture, for the vulnerability assessment DRASTIC model was used. The DRASTIC model uses seven environmental parameters (Depth ...
با توجه به نیاز روز افزون جوامع بشری به منابع آب زیرزمینی، به ویژه در مناطق خشک و نیمهخشک مانند ایران، حفاظت و جلوگیری از آلودگی این منابع امری ضروری تلقی میگردد. بدین منظور، ارزیابی آسیبپذیری آبهای زیرزمینی میتواند نقشی حیاتی در حفاظت و بهرهبرداری از این منابع ایفا نماید. در دشت باراندوزچای، به دلیل رونق زیاد کشاورزی و استفاده از کودهای شیمیایی، مواد آفتکش و عمق کم سطح ایستابی، احتمال آ...
with respect to population growth and agricultural development in ardabil plain, vulnerability assessment of the plain aquifer is necessary for management of groundwater resources and the prevention of groundwater contamination. in this study, vulnerability of ardabil plain aquifer to pollution was evaluated by drastic method. drastic model was prepared by seven effective parameters on vulnerab...
introduction because of expansion of agricultural activities and excessive use of chemical fertilizers and location of municipal and industrial wastewater of andimeshk, it is possible for this aquifer to be polluted. therefore, the aim of present study is to assess the aquifer vulnerability of andimeshk plain and recognition of sensitive areas against pollution which this work can be conducted ...
background: groundwater nitrate pollution is an important environmental problem in water resources management. in this regard, specific measures aiming at prevention of water pollution will be helpful to managers and decision-makers. identification of aquifers’ vulnerable areas and determination of groundwater protection zones using most widely used models, such as drastic and cd, are one of th...
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