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区域水土保持信息系统涉及因素多、信息量大,科学管理有着极其重要的意义。本研究采用C/S体系,以延河流域为实验区,建立了区域水土保持信息系统。利用Oracle+Arc SDE+Arc Engine构架、采用元数据表、基于树结构实现了按水土流失影响因子类型分层、按矢量和栅格数据分类来管理数据;实时进行水土流失影响因子的空间插值以减少因栅格数据大带来的数据冗余和存储困难;基于栅格数据缩略图和网络实现栅格数据快速查询;在网络环境下多用户能够协同操作,实现对各因子及土壤侵蚀量的模拟运算,并能对水土流失进行定量评价和专题统计分析。该方式可大大提升水土保持信息管理效率、并为决策提供科学参考。
Regional soil and water conservation information system involves many factors, large amount of information, scientific management has extremely important significance. In this study, a C / S system was adopted to establish a regional soil and water conservation information system based on Yanhe River Basin. By using Oracle + Arc SDE + Arc Engine framework, using meta-data table, tree structure is used to stratify the factors according to soil erosion factors and manage the data according to vector and raster data classification. Real-time spatial interpolation of influencing factors of soil erosion Reduce data redundancy and storage difficulties caused by raster data; Quickly query raster data based on raster data thumbnails and network; Multi-user can cooperate with each other in network environment to achieve a better understanding of factors and soil erosion Simulation operation, and quantitative evaluation of soil erosion and thematic statistical analysis. This method can greatly improve the efficiency of soil and water conservation information management and provide scientific reference for decision-making.