Study on the affect of the drying up of the Yellow River on the ecological environment in the seawater near the delta;

The authors studies the impact on lateral seepage quantity and groundwater cycling caused by flow cutoff of Yellow River and compares it with that of the year 1999 through the numerical simulation model of groundwater flow system of affected zone.

Analysis on Temporal and Spatial Characteristics of Urban Greenspace Ecological Water Requirements in Yellow River Basin;

Study on the eco-environmental water requirement for wetland in Yellow River basin;

Impact of Project of Water Diversion from South to North Via Western Course to Ecological Environment in Yellow River Basin;

Study on Quality and Development Tendencyof Water Resources in the Yellow River Basin in Decade Years;

Study on urban eco-environmental water requirements in the Yellow River Basin;

Minimum Plant Water Requirements and Variation of Highland Ecosystem in the Yellow River Basin;