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科欠河

科欠河
國家	中华人民共和国
流域
水系	长江流域、长江源水系
河口	汇入通天河
流域面積	3,562 km²（1,375 sq mi）
本貌
長度	145 km（90 mi）
流量
• 平均流量	9 m³/s（320 cu ft/s）

科欠河，是中国长江流域的一条河流，汇入通天河，属于长江源水系。河长145千米，流域面积3562平方千米，年均流量9立方米每秒。自然落差1085米。水能理论蕴藏量2万千瓦。^[1]

参考文献

^ 王杰等主编.长江大辞典. 1997, 武汉出版社.

中国江河水系 > 长江水系 > 江源水系

沱沱河（长江西源）	各拉丹冬雪山 - 雀莫错 \| 扎木曲

当　曲（长江正源）	天曲 \| 布曲 - 尕尔曲 = 冬曲

通天河上段	然池曲 \| 北麓河 \| 莫曲 \| 牙哥曲 \| 科欠河 \| 楚玛尔河（长江北源） - 多尔改错

下段

右岸	宁恰曲 - 多采曲 \| 登艾龙曲 \| 叶曲 \| 玉树巴塘河

左岸	色吾河 \| 德曲 \| 曼宗曲

注：通天河与楚玛尔河交汇处以上为江源。通天河起于沱沱河与当曲交汇处，楚玛尔河汇入处以上为上段、以下为下段，止于玉树巴塘河汇入处。1976年以前，汇入尕尔曲后的布曲河段以及汇入布曲后的当曲河段也被称为通天河（直曲，木鲁乌苏），一些习惯沿留至今。

江源水系 · 金沙江水系 · 长江上游水系 · 长江中游水系 · 长江下游水系

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