On the Yellow River Delta Culture and the Cultural Research;

Drinking Water Safety and Development Countermeasures in the Yellow River Delta;

Study on the Water Environmental Capacity of the Rivers in the Yellow River Delta;

Water Quality of Plain Reservoirs in the Yellow River Delta;

Analysis on Heavy Metals Distribution in The Yellow River Delta;

Analysis on the ecological footprint in Yellow River Delta and Zhujiang Delta regions;

Theory, Methodology and Practices of Wetland Ecological Restoration in Yellow River Delta Nature Reserve;

The Thixotropy of Silt in Huanghe Delta;

Temporal and Spatial Variation of Erosion-Deposition and Morphological Evolution of the Huanghe Delta Based on Numerical Model and Statistical Model;

Due to over-exploration of underground water, some environmental problems as lack of underground water, salt water intrusion, surface subsidence and earth crack have been occurred in south of Huanghe delta area, which should be soluted by underground water pondage and pollution prevention.

Water Environmental Status' Investigation of The Huanghe River Delta;

Soil and vegetation characteristics of wetland communities at different successive stages in the Huanghe River Delta;

Influence of Man Activity on Development of the Huanghe River Delta;

Heating design problems needing attentions in the Huanghe River Delta;

During the past 140 plus years since the Huanghe River emptied into the Bohai Sea through the Daqing Riverway in 1855, the present Huanghe River Delta has been the location for it to enter the sea for over a century, except a short period of time when its course changed, and the time from 1938 to 1947 when it entered the sea via the Huanghe River because its dykes were breached.

The Huanghe River Delta possesses the very big agriculture development potential, and is the emphatic agriculture comprehensive exploitation area of the nation.