Water and soil erosion is one of the prominent ecological environment problems of Haihe River Basin.
水土流失是海河流域较为突出的生态环境问题之一。
The quantity, quality status, and temporal and spatial change of water resources of Haihe river basin are analyzed.
分析了淮河流域水资源的数量和质量现状及其时空变化特征。
The effectiveness of the proposed method is verified by the application to the analysis on water balance in Haihe River basin.
最后以海河流域水量平衡模拟为例，检验了其有效性。
The results show that annual runoff in main rivers of China has large nonuniformity, especially larger in Haihe River Basin, Huaihe River Basin, Songhua River Basin and Liao River Basin;
结果表明，中国主要江河年径流的年内不均匀性总体均较大，其中海河流域、淮河流域、松花江流域和辽河流域不均匀性更大。
Based on the compositing characteristics of underground water resources and cities of Haihe River Basin, cities can be divided into three types-piedmont plain, median plain and coastal plain.
依据地下水资源与城市的组合特征，将海河流域平原区的城市划分为山前平原、中部平原和滨海平原三种类型。
Based on the compositing characteristics of underground water resources and cities of Haihe River Basin, cities can be divided into three types-piedmont plain, median plain and coastal plain.
依据地下水资源与城市的组合特征，将海河流域平原区的城市划分为山前平原、中部平原和滨海平原三种类型。
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