Key;
Laboratory;
of;
Water;
Cycle;
and;
Related;
Land;
Surface;
Processes,;
Institute;
of;
Geographical;
Sciences;
and;
Natural;
Resources;
Research,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100101,;
China;
College;
of;
Life;
Science,;
Yunnan;
University,;
Kunming;
650091,;
China;
怒江; 澜沧江; 金沙江; 统计关系; 云南西北; 水文学;