توجه: محتویات این صفحه به صورت خودکار پردازش شده و مقاله‌های نویسندگانی با تشابه اسمی، همگی در بخش یکسان نمایش داده می‌شوند.
۱Evaluation of water quality trend with use IMDPA, AHP and GIS
نویسنده(ها): ، ، ،
اطلاعات انتشار: دومین کنفرانس بین المللی مخاطرات محیطی، سال
تعداد صفحات: ۸
Today ground water is of high importance for preparing drinking uses in most parts of the world. Increased population and thereby increased utilization of these resources has resulted to decreasing not only quantity but also quality of these resources. The main purpose of this study is Evaluation of water quality trend with two factors (EC,SAR). The first we use AHP1 method to select the most important factor for water quality in region. The results of this way with Expert Choice software completed. In the first section of this research we obtain a weight for each that be for EC(0.326), SAR(0.293),TDS(0.276),NA(0.054),CL(0.051). Then we select EC and SAR for evaluation in this study. After we provide information of these two factors for 10 years and we used from IMDPA2 model for classification of maps in this study . Eventually we make maps of water quality for each factor with use GIS3. The result show that Over the past 10 years, changes in SAR in the region is not visible. And clear that in last 10 years there is only 2 classes for SAR and they are low and medium. Of the two indicators of water quality in the area EC is greater than the SAR. These factors directly related to increased harvest levels and increased salinity of groundwater in the area has been studied.<\div>
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