River water pollution and analysis of AQUATIC-ECONOMICAL system in the lakes of the proposed Eastern Route of water transfer 南水北调东线水质污染和湖泊水生经济的系统分析
Unified quality measurement indicators of river sediment grain size analysis method and the consideration of establishing standard sample system pro-posed in here is scientific, reasonable and adaptable and operable. 文中提出的河流泥沙颗粒分析方统一品质衡量指标和建立标样体系的设想,具有科学、合理和普遍适用性及可操作性。
In order to accelerate the sustainable development of shipping and water environment in Yangtze River valley, a dynamic sustainable development model was constructed by using system analysis method and system dynamics model, the effects of different types of controlling policies and managing methods were simulated. 为促进长江流域航运与水环境的协调发展,利用系统分析方法和系统动力学模型,建立了长江流域航运与水环境协调发展模型,对各种宏观调控政策和措施效应进行了仿真模拟分析。
The study developed field survey investigation of the river ecosystem including the analysis of water quality and aquatic plant diversity, then devided river restoration system into different types. 开展河流生态系统野外调查,选取水质与水生植物多样性进行分析,划分出3种不同类型的河流生态修复系统。
The river channel evolution and visualization analysis method based on GIS is an important component of information analysis and management system on hydrology and sediment of the Yangtze river developed by Hydrology Bureau of Changjiang Water Resources Commission. 基于GIS的河道演变与可视化分析是长江水利委员会水文局研制开发的长江水文泥沙信息分析管理系统建设的一项重要内容。