5.1 Study area

HanjiangRiverisoneofthelargesttributaryofYangtzeRiver(latitude:30°10′N-34°20′N,longitude:106°15′E-114°20′E).PassingthroughtheprovincesofShanxi,Sichuan,He’nanandHubei,HanjiangRivermergesintoYangtzeRiveratWuhancity.ThelengthofHanjiangRiverexceeds1570kmandup ......（本文共 1907 字 , 2 张图）     [阅读本文] >>