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。

youdao

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。

youdao

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

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