The\n\rEstablishment and Application of Environmental Detection Information \n\rSystem in the Region of Longyangxia Reservoir
龙羊峡库区环境动态监测信息系统的建立与应用

Based on the main eco-environmental problems in the region of Longyangxia reservoir, we designed the structure, function and database of eco-environmental information system using the methods of remote sensing integrated with GIS. At the end, the environmental detection information system in the region of Longyangxia reservoir was established. The system comprises of three subsystems the remote sensed data processing system, the eco-environmental information system and the statistics database management system. This system has multifunctions with detailed spatial and attribute database including fundamental geographic elements, eco-environment, landform, remotely sensed image, statistics and landscape photo data. With it a new method for extracting environmental information from remotely sensed data is applied efficiently. The eco-environment was then detected dynamically. The results show as follows