China's first pollution sources survey had got a lot of basic information,through geo-spatial analysis of polluting sources data,the distribution law can be revealed visually,then to provide better decision support for monitoring about environmental protection,it improve the census data practical value. We proposed a WebGIS system architecture and function design for a surveying application of polluting sources. The framework is based on an SOA framework and utilizes ArcGIS Server components and the Flex platform. The results show that,GIS technologies have some advantages in the data analysis of pollution sources survey.
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