Performance evaluation of WUAs in Zhanghe Irrigation District;

Impact of Implementation of the Fees-to-Tax Policy on Rice Water Use in the Zhanghe Irrigation District;

Analysis of Impacts of Water-Saving Irrigation in Zhanghe Irrigation District;

As the groundwater has been over-exploited seriously in the Zhang-Fu river irrigation area,it is urgent to achieve a rational resource allocation and optimize irrigation scheduling.

Numerical simulation of sediment-laden flow in Zhang River;

By the calculation of water yield,conflux,riverbank conflux,flood routing of reservoir in Zhang river valley,the paper sets up meteorology-hydrology forecast model of Zhang river valley.

Construction of Flood Prevention Contigent in the Area of Lower Reaches of the Zhang River;

N pollution of groundwater in Hetao Irrigation District.;

Determination and Evaluation on Soil Water Retention Curve Model in Hetao Irrigation District;

NO_3~--N Dynamics in a Spring Wheat and Radish Multiple-Crop System in the Hetao Irrigation District;