基于改进的遥感生态指数（MRSEI）的青海省都兰县生态环境质量评价

贾浩巍, 颜长珍, 邢学刚, 谢家丽, 冯坤

Evaluation of ecological environment in the Dulan County based on the Modified Remote Sensing Ecological Index Model

Haowei Jia, Changzhen Yan, Xuegang Xing, Jiali Xie, Kun Feng

表2 各指标和MRSEI指数的相关系数矩阵

Table 2 Correlation matrix of MRSEI and four factors

年份 指标 WET NDVI NDSI LST MRSEI 1995 WET 1.000 0.267 -0.543 -0.288 0.667 NDVI 0.267 1.000 -0.641 -0.484 0.840 NDSI -0.543 -0.641 1.000 0.147 -0.906 LST -0.288 -0.484 0.147 1.000 -0.401 平均相关度 0.366 0.464 0.444 0.306 0.703 2005 WET 1.000 0.390 -0.500 -0.437 0.784 NDVI 0.390 1.000 -0.841 -0.507 0.821 NDSI -0.500 -0.841 1.000 0.283 -0.772 LST -0.437 -0.507 0.283 1.000 -0.751 平均相关度 0.442 0.579 0.541 0.409 0.782 2015 WET 1.000 0.510 -0.640 -0.350 0.876 NDVI 0.510 1.000 -0.825 -0.524 0.826 NDSI 0.640 -0.825 1.000 0.421 -0.875 LST 0.350 -0.524 0.421 1.000 -0.606 平均相关度 0.500 0.620 0.629 0.432 0.796 3年内平均 相关度 WET=0.436，NDVI=0.554，NDSI=0.538， LST=0.383，MRSEI=0.760