Research on Integrated Technology for Urban River Ecological Construction and Water Environment Security Guarantee
On account of the pollution characteristics of urban rivers in economically developed regions,this study took the Shenzhen River Basin as a typical research area and systematically investigated the hydrology,water resources,water environment,aquatic ecological conditions,socio-economic status,and pollution source structure of the basin.This research also analyzed the major issues in water environment governance and aquatic ecological construction in the research area,and summarized the experiences in water environment and ecological governance of the Shenzhen River Basin.Based on these findings,the study classified prevention and control units,established a database of suitable technologies,evaluated these technologies,and created a suitability technology evaluation system tailored to urban rivers,prevention and control unit classification techniques,and a technology integration method based on prevention and control units.This methodology was successfully applied to the water pollution control and ecological restoration demonstration project in Lizhi Lake,thus verifying its feasibility.From the perspective of basin management,this study proposed a systematic method and comprehensive plan,overcoming the one-sidedness of technology selection in previous urban river governance.It solved the difficulties in identifying key issues and selecting technical solutions,and possessed relatively high applicability and promotion value.
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