中国卫生地理信息系统基础数据库的构建

目的：构建可用于中国卫生地理信息系统（GIS）应用研究的基础数据库，以合理应用已有的数据资源，并成为一个空间决策系统。方法：采集不同资料来源，经统一标化后构成基本资料源。主要的资料源包括：（1）覆盖中国地区的卫星遥感图片库；（2）GIS数字化地图库；（3）疾病资料库与相关模型库。结果：已获卫星遥感图片库中的植被指数遥感图片、地面温度遥感图片、数字化高程图片、数字化土地利用图片等；GIS数字化地图库中的中国行政区划数字化地图、环境数据矢量地图、人口分布图、气象资料分布图等；疾病资料库与相关模型库中包括了多种疾病的调查报告、疾病防治年报表等资料，以及疾病的传播模型和媒介／中间宿主潜在自然孳生地模型，及恶性肿瘤发病因素相关图。结论：该数据库的构建使不同来源的数据达到统一性，数据库收集的数据量以足能为国内卫生专业人员应用为前提，希望通过更多疾病的应用，使数据库得以完善。

China's health construction of geographic information system based on database

Objective To establish a minimum medical geographic information systems (GIS) database as a spatial decision supporting system(SDSS), and to use the database into public health practice in China. Methods Spatial data collected from different sources were standardized as decimal degree format, including:(1) satellite images covering areas of China; (2) digital maps of China in vector files; (3) diseases database and relevant models. Results Necessary satellite images for the database have been collected from NOAA AVHRR, Landsat TM, etc., including the normalized difference vegetation index (NDVI) images from AVHRR, earth surface temperature images from AVHRR, GTOPO30 DEM images from USGS and landuse images from USGS. The digital vector files for GIS analysis were collected including political (county, provinces, country) boundaries file, environmental (drainage, land cover, soil type) vector file, population data and climate data; Data on diseases mainly generated from survey or case reporting. Relevant models on transmission of Schistosoma japonicum and Plasmodium vivax , and models of Oncomelania hupensis and Anophores sinansis were developed, and the relevant environmental factors related to incidence of cancers were mapped, to test and verify those database. Conclusion The database unified the data from different sources for users. Minimum medical data included in the database could be used in the practice of public health. It is expected that this database be used in a wider range.