摘要
对水文模拟和土地利用格局混合模型在流域湿地恢复建设场地优选中的应用情况进行了研究。首先,基于流域降雨、蒸发、土壤特性等自然条件建立了区域水文模拟模型;其次,根据湿地对工农业非点源径流污染的降解作用,建立湿地恢复建设场址优化选择模型;然后,将水文模拟与湿地建设优化选择模型相结合组成了混合模型。应用参数量化和贪婪算法,选择了南四湖流域内的4个典型小流域作为研究实例,借助于构建的模型和有关的资料,通过模拟计算,得出了包括湿地规模、投资、水质改善程度等多项指标在内的湿地恢复建设场地优化选择方案。实践证明,研究结果对于流域水资源保护与开发利用、湿地恢复建设场地优化选择以及生态环境改善等方面,都具有十分重要的参考价值。
The application of hybrid model of hydrological simulation and land use pattern in field selection of wetland restoration and construction was studied.Firstly,based on precipitation,evaporation,soil and other factors,a hydrological model was set up.Secondly,according to degradation role of wetland in industrial and agricultural non-point pollution,optimal site selection model for wetland restoration and construction was built.So a hybrid model was established through integrating the hydrological simulation and optimal site selection models for wetland restoration and construction.Applying parameter quantization and greedy algorithm and through the established model and the related data,the optimal schemes of wetland restoration field selection for 4 typical sub-catchments in Nansihu basin were achieved in terms of wetland scale,investment,water quality improvement degree,etc.It is proved that the present findings could be a reference in water resources protection and development,wetland restoration and construction,as well as eco-environment protection.
作者
周科
ZHOU Ke(School of Art and Design,North China University of Water Resources and Electric Power,Zhengzhou 450011,China)
出处
《人民长江》
北大核心
2018年第17期1-6,共6页
Yangtze River
基金
国家自然科学基金项目(50579020)
关键词
流域湿地
湿地建设
水文模拟
场地选择
混合模型
规划优化
watershed wetland
wetland restoration
hydrological simulation
site selection
mixed model
optimization of planning
