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۱Ratio Between Maximum and Minimum Discharge (Qmax\Qmin) as the Anticipated Indicator of River Disaster in 30 Watersheds of Indonesian
اطلاعات انتشار: World Applied Sciences Journal، بيست و پنجم،شماره۷، ۲۰۱۳، سال
تعداد صفحات: ۵
This paper intended to analyze the initial indicator of a river by comparing maximum and minimum discharge. Ratio between maximum and minimum discharge (Qmax\Qmin) is known as coefficient of river regime. This study conducted in 30 mini–hydros electrical power of Indonesia. The methodology consisted of analysis on Qmax\Qmin (Qid, coefficient of river regime) in each site of mini–hydro and than there were classified as good, good enough, bad enough, bad or very bad river quality due to the indicators as follow: if Qid 5 indicated good quality; if 5 Qid 15 indicated enough to good quality; if 15 Qid 2 indicated enough to bad quality; if 25 Qid 50 indicated bad quality; and if Qid > 50 indicated very bad quality. Results showed that as the discharge supplier of mini–hydro, 2 watersheds were in good condition, 17 watersheds in enough to good condition, 3 watersheds in enough to bad condition, 3 watersheds in bad condition and 5 watersheds in very bad condition. This results can give the authority of local or center government for making firm steps to save the available rivers.
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