The discontinuous flow prevention and control technology under the conditions of dry season is an issue of extremely complicated,numerous affecting factors and high nonlinear cause-and-effect relationship.

Discuss on the research situation of estimating methods of eco-environmental water requirements in river course and its modification;

Discussions on river course ecology and rehabilitation in Shandong, Hai River Basin;

A theoretical discussion of ecological and environmental water requirements of river course;

Computing method of divisional ecological and environmental water requirement for river channel and its application to the Yellow River Basin;

Study on the situation of sand-gravel extraction in the river channel;

Preliminary study on the characteristics of scouring and sedimentation of river channels in recent decades in the Zhujiang Delta;

Auto-regulating function of channel of Lower Weihe River since 1960;

Study on channel friction parameter inversion based on Kalman filter with unknown parameter vector;

The application of frequency-shared interpretation tech-nique to channel sandbody description in upper Ng of Zhuang 106 area.;

Effective Methods to Realize Long-Time Management of City-river;

Mathematics analyse and generalization on storage volume and scour and silting amount by cross-section surveying means in rivers and reservoirs;

Research on a GIS-based automatic generation algorithm of body-fitted meshes adaptive to river terrain;

Influence of riverway on transmission of blasting seismic wave;

Preliminary study on standard of riverway-digging effect forecasting;

Relationship between Yangzte riverway fractal and geological structure of the catchment;