In recent years about 200 large or middlescale cities of China are short of water

numerous of countries lack water for irrigation

water use for man and animals isdifficult. Water has become a critical factor to life

production

construction anddevelopment in many regions. Three special research results

including "water supply prediction of the energy base in loess plateau"

"the hydrogeological problemsand countermeasures of the water supply for provincial capitals in loess plateau" and"exploitation and usage direction of ground water in the running water basinfound during the Cretaceous period in the plateau

"haved formed several tens ofgreat or middletype water resources

formulated the way for exploitation andusage

raised highly concentrated and practical measures and suggestion.