布曲(藏語:འབྲྀཆུ),藏語意為「長河」,又名拜渡河,是長江源水系支流之一。布曲曾被認為是長江正源,現在認為布曲是長江南源當曲最大的支流。布曲位於青海省西南部,源於唐古拉山口西側的東索山西麓,其河源段又名日啊回曲主曲,繞山與茸碼曲匯合後始稱布曲,之後北流經雁石坪鎮至尕爾曲沿接納尕爾曲匯入,向東至布瑪浪納匯入當曲。全長242公里,流域面積1.69萬平方公里,多年平均流量24.8立方米每秒。[1]
參考文獻
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.