1978年,长江流域规划办公室等单位组织考察,宣布长江源头为唐古拉山脉主峰桥拉丹冬雪山西南侧的沱沱河。到了20世纪80年代,伴随着后来被认为是唤醒了中国人当代探险意识的“长江漂流”,有关江源问题的一些新研究成果和主张成为媒体热点,其中最重要的争论就是沱沱河与当曲究竟哪个才是长江正源。 In 1978, the Yangtze River Basin Planning Office and other units organized an inspection tour to declare the source of the Yangtze River as the main peak of the Tanggula Mountains. By the 1980s, along with the “Yangtze River Rafting” that later became known as a wake-up call for contemporary Chinese adventures, some of the new research findings and ideas on the issue of Jiangyuan became a media hot spot. The most important argument among them was that the Tuotuohe River When the song is what is the Yangtze River is the source.