There are six lopsided river regime sections in the 90km meandering channel in the lower Qinhe River.

Ecological Investigation of Freshwater Crab and River Pollution in Basin of Qinhe River;

Evaluation on the Present Situation of Water Quality and Pollution Analysis of Qinhe River s Shanxi Section;

Evaluation on the Water Quality of Qinhe River’s Jincheng Section with the Gray Relative Analysis Method;

Simulation of interactions between surface water and groundwater in Qin River basin;

Evaluation of influence of Qinyang City Ziling to Gecun Qin River Highway Bridge on flood control of bridge location;

Study on the Interaction between Surface Water and Ground Water in Qin River Basin Using a Distributed Hydrological Model;

In view of the present flood control engineering works and existing problems in the flood control of the lower reaches of the Qinhe River and according to the basic consideration of the river harnessing, the paper has put forward t.

Drawing water for irrigation from the Qinhe River has a history of thousands of years.

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

Stable lowering of Tongguan bed elevation and comprehensive regulation of the lower Weihe River;