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洪家渡水库

洪家渡水库
支嘎阿鲁湖、水西湖
洪家渡水库在贵州的位置
洪家渡水库
洪家渡水库
洪家渡水库在贵州省的位置
级别大(一)型水库
水库位置贵州省毕节地区
织金县黔西县大方县纳雍县
大坝位置织金县茶店乡、黔西县五里乡
坐标26°52′29″N 105°51′13″E / 26.87472°N 105.85361°E / 26.87472; 105.85361
上游流入六冲河
下游流出六冲河乌江干流上游)
集水面积9900平方千米
水库面积80.54平方千米
正常水位1140米
总库容49.47亿立方米
正常库容33.61亿立方米
大坝类型面板堆石坝
最大坝高179.5米米
装机容量3台立轴混流式水轮发电机组
总容量60万千瓦
开工时间2000年11月8日
竣工时间2004年底
总费用49.27亿元人民币
移民数4.5万人
[1][2]

洪家渡水库位于中国贵州省毕节地区织金黔西大方纳雍四县交界处,坝址位于织金茶店乡、黔西五里乡两乡交界的化冲河(乌江上游六冲河的一段)上,是以发电为主,兼有防洪、航运等功能的大(一)型水库

2008年被命名为支嘎阿鲁湖,以纪念彝族历史上的支嘎阿鲁王。[3]

在库区周围分布着织金洞九洞天、百里杜鹃国家森林公园、奢香夫人墓等景观。

洪家渡水电站是乌江水电基地11个梯级电站中唯一对水量具有多年调节能力的“龙头”电站,总库容微超过多年平均径流量48.9亿立方米。坝址以上控制流域面积占六冲河流域面积的91%。水库为山区峡谷和湖泊混合型,正常蓄水位时回水长84.89km,最宽处3.57km。洪家渡水电站枯水期调节流量增加,汛期减少下游梯级调峰弃水,可大幅度提高乌江干流发电效益。

参考文献

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洪家渡水库
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