摘要
生态敏感性反映了区域应对自然环境变化的敏感程度和概率大小,对区域生态脆弱性有很好的指示作用。文章选用Landsat 8多光谱数据和30米DEM数据,以万宁市沿海乡镇为研究区,选取NDVI、WNDWI、坡度、坡向、高程等5个评价因子,利用AHP方法,构建区域生态敏感性评价模型,最终得出研究区生态敏感性主要以高度敏感性和中度敏感性为主,且区域生态敏感性受植被和水系的分布影响较大。
Ecological sensitivity reflects the sensitivity and probability of a region to natural environmental changes,and has a good indicator of regional ecological vulnerability.In this paper,Landsat 8 multi-spectral data and 30-meter DEM data are selected to study the coastal towns in Wanning City.Five evaluation factors,including NDVI,WNDWI,slope,aspect and elevation,are selected to construct an evaluation model of regional ecological sensitivity by using AHP method.Finally,the ecological sensitivity of the study area is mainly high sensitivity and moderate sensitivity,and the regional ecological sensitivity is greatly affected by the distribution of vegetation and water system.
作者
蒋俊祎
沈成
宋艳伟
符国伟
丁愿立
JIANG Junyi;SHEN Cheng;SONG Yanwei;FU Guowei;DING Yuanli(Haikou Research Center of Marine Geology,Haikou 570100,China;Hubei Institute of Metallurgical Geology,Yichang 443000,China)
出处
《现代信息科技》
2022年第15期84-87,92,共5页
Modern Information Technology
基金
中国地质调查局地调项目(DD20208012)。
关键词
生态敏感性
AHP
遥感
ecological sensitivity
AHP
remote sensing
