基于“3S”技术的炎陵县生态敏感性分析

Analysis of Ecological Sensitivity for Yanling County based on 3S Technique

以炎陵县为研究区域,综合利用ENVI、Arcgis等软件为分析平台,结合炎陵县TM数据、DEM数据、各类文献资料建立了炎陵县生态敏感性综合分析评价模型。依据评价模型得出了炎陵县生态敏感性分布图,将炎陵县生态敏感性分布分为不敏感区、轻度敏感区、中度敏感区、重度敏感区、极度敏感区,各区域面积比重分别为0.11%、29.49%、58.28%、11.91%、0.20%。

According to the TM data, DEM data and various types of literature materials of Yanling County and taking ENVI and Arcgis as analyzing platform, the comprehensive analysis and evaluation model for Yanling County was established. The results indicated that the ecological sensitivity map of Yanling County was obtained according to evaluation model, in which the ecological sensitivity of Yanling County was divided into five sections, non-sensitive area, mildly sensitive area, moderately sensitive area, severely sensitive area and extremely sensitive area, and they were accounting for 0.11%, 29.49 %, 58.28%, 11.91% and 0.20%, respectively.