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。

youdao

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。

youdao

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。

youdao

Increased groundwater abstraction, for example, may be needed in areas with unsustainable or contaminated surface water resources caused by droughts and floods.

UNESCO: THEMES

The islands natural surface and ground-water resources can only cover about 10% of the demand at present.

UNESCO: MEDIA SERVICES