Zhanyi Gao

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Soil salinization has random characteristics because of the influences of natural and anthropogenic factors. Therefore, a study on the dynamic prediction model of soil salinity is important for irrigation water management in salinization irrigation districts. In the present paper, the theory of supporting vector machine was introduced in the dynamic(More)
Global water scarcity is becoming a constraint for human development. Therefore there is a need to enhance water productivity of the irrigated and rainfed agriculture to meet the increasing food demand due to the population growth. This paper describes modeling efforts to assess present and future water needs for food, people and environment. This exercise(More)
This research attempted to present BP artificial neural network (BP-ANN) approach for studying the effect of climate change (CC) and human activities (HAs) on shallow groundwater level (SGL), taking Wuqiao in North China Plain (NCP) for example. Precipitation (P), irrigation (I) and pumping from both unconfined (UCP) and confined (CP) aquifers were found to(More)
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