| The loess high due to its unique geography,climate environment and other reasons has become one of the representative areas of my country’s water shortage and fragile natural ecological environment.With the acceleration of the construction of beautiful villages and the acceleration of urbanization,the region not only faces water shortages and serious deterioration of water ecology,but also suffers from floods caused by seasonal heavy rainfall and accompanying soil erosion.In addition,the blind application of the urban construction and development model without considering regional factors in rural construction has led to frequent occurrences of rural waterlogging,water pollution,and soil erosion,posing a serious threat to urban and rural ecological security.In order to solve the above problems,this research takes the Yanhe River Basin as the core research area,comprehensively utilizes the related theories of rainwater management such as sponge cities and low-impact development,integrates regional rainwater landscape design experience with low-impact development technology,and constructs suitable rainwater landscapes And put forward a rainwater landscape optimization strategy suitable for the beautiful villages in the Yanhe River Basin.Firstly,it analyzes in detail the relationship between low-impact development technology,regional rainwater landscape design experience and beautiful rural rainwater landscape design,as well as existing limitations,to lay a theoretical foundation for the following research.Second,the second-generation landscape suitability assessment method(LSA2)and the logical rule combination method are used to construct a beautiful rural rainwater landscape assessment method in the Yanhe River Basin,including construction principles,selection and quantification of evaluation factors,evaluation method construction,and rainwater landscape evaluation And other content.Third,by analyzing the natural characteristics of the Yanhe River Basin such as topography,climate,soil,vegetation,water system,etc.,select some beautiful villages to conduct field investigations to understand the current situation of rainwater landscape construction,and combine the suitability of the constructed beautiful rural rainwater landscape in the Yanhe River Basin Evaluation method starts to evaluate it.Fourth,take Zhaojiagou Village in Qinghuayan Town as an example to carry out the beautiful rural rainwater landscape design practice in the Yanhe River Basin,combine the evaluation results to give relevant optimization strategies and design schemes,and use the calculation method of low-impact development measures in the sponge city Check its rationality.This study combines the low-impact development technology with the experience of the regional rainwater landscape facilities in the Yanhe River Basin,draws on the suitability evaluation method,and builds the beautiful rural rainwater landscape suitability evaluation system in the Yanhe River Basin,which is the construction and function of the rural human settlement environment in my country The composite rural ecological landscape construction provides regional experience,and at the same time provides regional supplements and practical guidance for my country’s low-impact development theory,and contributes to the construction of my country’s ecological civilization. |
