The impact of irrigation diverting from Yellow River water on regional water cycle in Shandong province

摘要

Yellow River water diversion is an effective way to alleviate agricultural irrigation water shortage and promote agricultural production around Shandong Yellow River diversion area. It also plays a role in improving regional water cycle, including effects on evaporation, precipitation, surface runoff coefficient, and groundwater level of intake area. The paper studied the development of Yellow River water diversion in Shandong province, and qualitatively analysized the impact on the regional temperature, evaporation. And then the surface runoff coefficient and groundwater level before and after large-scale diversion in the area were quantitatively analysized. The results show that irrigation diversion from Yellow River can increase surface runoff coefficient and groundwater level, bring an enormous benefit to eco-environment, and provide an irreplaceable support role of the sustainable socio-economic development in Shandong province.