水文技术标准术语序号中文名称英文名称中文释义1河流及流域特征Characteristicsofriverandbasin1
1河流及水系Riverandriversystem1
1河流river1
2干流(主河)trunkriver(mainstream)1
3支流tributarystream(branchriver)1
4河源riverhead(riversource,headwater)1
5河口rivermouth(estuary)1
6河长riverlength1
7深泓线thalweg1
8中泓线streamcentralline1
9落差drp[1
10河道比降(纵坡降、坡降)riverslope1
11河槽(河床)streamchannel1
12水系(河系、河网)hydrographicnet(riversystem)1
13河网密度drainagedensity1
2流域特征Characteristicsofbasin1
1流域watershed(basin,drainagearea)1
2流域分水线basindivide1
3流域面积(集水面积)watershedarea(drainagearea,catchmentarea)1
4流域长度(流域轴长)lengthofbasin1
5流域植被率(植被度)percentageofvegetationsindrainagearea1
6流域湖泊率percentageoflakesindrainagearea1
7流域沼泽率percentageofswampsindrainagearea2水文分析计算hydrologicalanalysisandcomputation2
1水文计算hydrologiccomputation2