Surface water resources in Liaohe river basin middle and downstream are poor.
辽河流域中下游地区地表水资源贫乏。
The surface water resources is most polluted so the people depend on groundwater more and more extent.
现在，地表水水源普遍受到污染，人类对地下水的依赖程度不断增加。
Surface water resources is changed with water supply sources, but water supply sources can be changed by human activity.
地表水资源量的变化是随着补给源补给量的变化而变化的，人类活动可以改变地表水的补给源。
The precipitation, surface water resources, groundwater resources, and total volume of water resources were evaluated for Luoyang City.
对洛阳市的降水量、地表水资源量、地下水资源量及水资源总量进行评价。
The available quantity of surface water resources in the Hanjiang River Basin is computed respectively by deduction method and improved WAM.
采用扣损法和改进的WAM模型分别分析计算了汉江流域地表水资源可利用量。
The available surface water resources are consist of available water supplied both by built works and intended works in design average year.
地表水可利用量。应包含现有水利工程的可供水量和设计水平年内规划拟建水利工程所能提供的水量。
At last, it analyzes and evaluates water quality in Liaohe area and Tieling area and issues some advice how to protect surface water resources.
对辽河流域铁岭段水质现状进行分析评价，并对辽河铁岭段的地表水水资源保护提出建议。
The results showed that under the status of land surface, the surface water resources of Weihe River Basin in Shaanxi mainly depends on the rainfall.
结果表明：在现状下垫面等条件下，渭河流域陕西片的地表水资源主要取决于降雨资源。
Surface water resources characteristics, such as rainfall, runoff, water quality and so on, were analyzed using the long-term observation data in Yantai City.
根据烟台市多年统计资料，从降水、径流、水质、蒸发等方面对水资源特性进行了分析。
At last, taking eight rivers located in the east part of Shandong Province as an example, the re-estimated precipitation resources and surface water resources were given.
对山东省胶东地区部分主要河流年降水量和年径流量序列进行了分析，重新评价了该地区的降水资源及地表水资源。
Start with setting the concept of available water resources, this paper puts forward the calculation matheds for available surface water resources and total available water res.
指出洪水资源利用评价应解决洪水资源量计算、洪水资源利用水平分析、洪水资源可利用量评价和洪水资源利用潜力评估四个基本问题。
Coal mine water is generated by the process of sewage, not only in their emissions of pollution of surface water resources, but also a waste of resources and the increase in sewage costs.
矿井水是煤炭开采过程中产生的污水，任其排放不仅污染地表水资源，而且也造成资源浪费和增加排污费用。
The impact of rainfall upon the surface water and groundwater resources of the desert is greatly influenced by landforms.
降雨对于沙漠地表水和地下水资源的影响很大程度上取决于地形。
The quantity of surface water and ground water, water resources gross and its available quantity of these years are calculated.
计算了郑州市地表水资源量、地下水资源量、水资源总量和水资源可利用量。
The water resources referred to in this Law include surface water and groundwater.
本法所称水资源，包括地表水和地下水。
Ground water and surface water are the main resources of the drinking water at present time.
目前农药的使用越来越广泛，而地表水资源却日益短缺。
The impacts of climate change, groundwater overdraft, surface runoff and food production changes on water resources are analyzed.
分析了气候变化、地下水超采、地表径流及粮食产量变化等方面对水资源的影响。
Land leveling is an important measure for improving the efficiency of farm land surface irrigation and saving the resources of water.
平整土地是提高农田灌溉效率，节约水资源的一项重要措施。
Calculation of quantity of soil evaporation takes an important part in moisture content prediction, rainfall surface flow calculation and evaluation of water resources.
土壤蒸散发量的计算，在墒情预报、降雨径流计算及水资源评价中都占有重要的地位。
Hydrologic underlying surface analysis are the basic study in hydrologic analysis, hydrologic observation, hydrologic forecast and water resources assessment.
水文下垫面分析是水文分析计算、水文测验、水文预报、水资源评价等的基础性工作。
The analysis and simulation of the interaction between groundwater and surface water is a considerably difficult problem in water resources planning and management.
地表水与地下水转化量的模拟预测一直是区域水资源评价和管理中的难题。
The application result showed that the model can realize conjunctive use of surface water and underground water in deed and improve water resources use efficiency.
实例计算表明：应用此模型指导井渠结合灌区的水资源配置可实现真正意义上的地表水和地下水联合运用，提高水资源利用效率。
To some extend, the commonality benefit is harmed if infringing the surface-water irrigation rights without compensation for limited water resources, so this is external diseconomy action.
违规取用地表水灌溉，在水资源有限的情况下，从一定程度上损害了公共利益，并对他人不能进行补偿，因而是一种外部不经济的行为。
The winter water bird resources were surveyed in typical wetlands of Henan province from December 1997 to May 1998 by the combination of water surface cruise and bank plot observation.
采用河岸定点观察和水面巡航相结合的方法，于1997 ~ 1998年调查了河南省典型湿地冬季水鸟资源。
Water resources systems of irrigation district are composed with surface water system and groundwater system.
灌区水资源系统由地表水系统与地下水系统构成。
And because the water resources are limited, it is impossible to provide water for the agriculture unlimitedly form the surface water with the price of damaging the ecological environment.
但是，水资源有限，从地表水中不可能以破坏生态环境为代价无限止地供给农业用水。
In this paper, system analysis method is applied, a model of optimal conjunctive operation of surface water and groundwater resources for Fuyang, Huaibei district is established.
针对井渠结合灌区目前存在的地下水位下降、可用水量不足等问题，提出了运用多年的各种水资源均衡调节的方法。
As for the water resources from the surface water and natural raining, it is mainly to grout and seal the water conducted channel. Good water prevention and control results ware obtained.
对于水源主要来自地表水和大气降雨的，对主要导水通道进行注浆封堵，可以取得很好防治水效果。
As for the water resources from the surface water and natural raining, it is mainly to grout and seal the water conducted channel. Good water prevention and control results ware obtained.
对于水源主要来自地表水和大气降雨的，对主要导水通道进行注浆封堵，可以取得很好防治水效果。
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