多尺度空间信息服务技术及其农业应用

Multi-scale spatial information services and its application in agriculture

从省市县三级空间尺度和应用特征的区域信息服务出发,研究基于网络的多源多尺度农业空间信息共享与服务技术。集成应用空间信息技术与Web服务技术,开展多源多尺度的农业空间信息资源的数据整合、统一业务模型构造、信息交换与共享、元数据目录服务等关键技术研究,建成多尺度的基础信息数据库群,开发实现了省级区域多源多尺度应用的空间信息服务平台。有效整合多源多尺度的农业信息资源,促进了区域空间信息应用与服务。

From the view of the three multilevel spatial scales in Fujian region （including province, city, county） and application feature of agricultural spatial information, the multi-resource and multi-scale agricultural spatial information sharing and web service were studied based on network. By integration of spatial information system and Web services technology, the key technology of three multilevel spatial scale system of agriculture spatial information sharing and service in Fujian Province （Fujian province on 1 ： 250000 scale, and Zhangzhou city on 1 ： 50000 sacle, and Longhai county and Zhangpu county on 1 ： 10000 scale） was investigated, including data standardization and integration, operation model of agricultural application, information exchanging and sharing system structure and metadata catalog services, and so on. The agriculture basic database groups were built by standardizing the conformity of multi-source and multi-scale agriculture data. And the newly designed conformity operation model which has thrashed out a series of key technology of information process and service problems can meet the requirements of different application targets and service contents. Based on XML Web services technology and information system, the agriculture geo-information service platform of multi-scale application in Fujian Province was implemented, which promoted the spatial information application and service on the regional agriculture.