海河流域过去经常遭受干旱。
历史上的海河流域山区曾经草深林密。
In the history, the mountain area of the Haihe River valley was a dense forest.
海河流域的产粮区，地下水占了灌溉用水的70%。
The grain region of the Hai River Basin relies on groundwater for 70pc of irrigation.
漳泽水库是山西省境内海河流域的一座大型水库。
Zhangze reservoir is a large sized reservoir in Haihe Catchment of Shanxi Province.
水土流失是海河流域较为突出的生态环境问题之一。
Water and soil erosion is one of the prominent ecological environment problems of 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 effectiveness of the proposed method is verified by the application to the analysis on water balance in Haihe River basin.
海河流域暴雨以空间分布悬殊、时间分配集中、年际变化大而著称。
The rainstorm of the Haihe Vally is known for its great disparity in spatial distribution, its concentration in time distribution, and its great annual variations.
介绍了历史上海河流域洪涝灾发生的次数，受灾范围，受害程度等。
This paper introduces The Times, the disaster area and the disaster degree of flood and waterlog in Haihe River area.
此外海河公园和Wanghailou教会加强海河流域的美很多。
In addition Haihe River Park and Wanghailou Church enhance Haihe River's beauty in great deal.
本文系统地论述了海河流域利用水库分期汛限水位调控洪水资源的研究思路和技术框架。
The paper systematically illustrates the research methodology and technical framework of regulating flood by using various limiting levels of reservoir during the flood season in the Hai River Basin.
潘家口水库是海河流域的重要水源地，在水资源匮乏的北方地区，水源地的保护有非常重要的意义。
The Panjiakou reservoir is an important water source in the Haihe basin. It is very crucial to protest the water source because of the limited water resources in the North China.
通过分析海河流域地下水开采与环境变化的关系，揭示了由于海河流域地下水过量开采而引发的生态环境问题。
By analyzing the relation between the underground water and environment, this paper raises the over exploitation cause the ecological and environment problem in the Haihe River Valley.
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.
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。
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;
利用修正后的“流域水资源承载力平衡指数(IWSD)”方法，研究了海河流域1960 - 2030年水生态环境状况的变迁过程。
Using a modified method of Index of water Supply and Demand (IWSD), this paper studies the transitional track of water ecosystem in the Hai River Basin from1960to2030.
利用修正后的“流域水资源承载力平衡指数(IWSD)”方法，研究了海河流域1960 - 2030年水生态环境状况的变迁过程。
Using a modified method of Index of water Supply and Demand (IWSD), this paper studies the transitional track of water ecosystem in the Hai River Basin from1960to2030.
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