布曲(藏语:འབྲྀཆུ),藏语意为“长河”,又名拜渡河,是长江源水系支流之一。布曲曾被认为是长江正源,现在认为布曲是长江南源当曲最大的支流。布曲位于青海省西南部,源于唐古拉山口西侧的东索山西麓,其河源段又名日啊回曲主曲,绕山与茸码曲汇合后始称布曲,之后北流经雁石坪镇至尕尔曲沿接纳尕尔曲汇入,向东至布玛浪纳汇入当曲。全长242公里,流域面积1.69万平方公里,多年平均流量24.8立方米每秒。[1]
参考文献
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.