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The Asan Barrage is a barrage in the Uttarakhand-Himachal Pradesh border region in Doon Valley, (Dehradun District), northern India, situated at the confluence of the Eastern Yamuna Canal and the Asan River and about from Dakpathar, and 28 km. northwest of Dehradun. Directly behind the barrage on its eastern flank, water reenters the Eastern Yamuna Canal on the west side of the Yamuna River. At a distance of from the barrage on the canal, water reaches the 30 MW Kulhal Power Plant at . The power plant contains three 10 MW Kaplan turbine-generators and has a design hydraulic head of .〔(【引用サイトリンク】url=http://www.uttarakhandjalvidyut.com/kulhal.htm )〕 Once discharged from the power station, the water is conducted by the canal to the 72 MW Khara Power Station at in Uttar Pradesh. The Khara Power Station contains three 24 MW Francis turbine-generators and a has a net head of .〔(【引用サイトリンク】url=http://www.upjvn.org/static/khara.aspx )〕 The dam creates the Asan Reservoir, also called Dhalipur Lake. The lake is popular for bird watching and 53 species are known to make a habitat there, 19 species are migratory from Eurasia. ==Asan River== The Asan river is a river fed by the streams of the western part of the Doon valley. The northern section of the river is known locally as the 'Tons nadi' (a misnomer, the actual Tons nadi is much larger and flows into the Yamuna in the Jaunsar Bawar region at Kalsi); originates from the southern slopes of Mussorie. There are several streams here, that gradually merge into one river that emerges from Robber's cave. The river here is in a U-shaped valley meandering slightly in a south-westerly direction. The river flows through Bijapur canal; a major water pumping site of Dehradun that provides water to houses in the western part of the town through two water canals. It then moves on to Tapkeshwar Mahadev, a popular Shiva shrine before becoming a more shallow, broad valley near Premnagar. The river proceeds south-west, receiving the waters of several streams flowing southward from the northern range spanning Vikas Nagar - Mussorie; and northward from the lower Shiwalik forest hills that separate The Doon valley from Saharanpur district. In the lower section it is known as the 'Asan'. It flows into a relatively flat section which feeds the Asan barrage, the waters of which drain into the Yamuna at Poanta Sahib. The Asan River has been identified with the ''Asmanvati'' of the Rigveda. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Asan Barrage」の詳細全文を読む スポンサード リンク
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