改进遥感生态指数的宜宾市三江汇合区生态环境评价
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张秦瑞, 赵良军, 林国军, 万虹麟
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Ecological environment assessment of three-river confluence in Yibin City using improved remote sensing ecological index
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ZHANG Qinrui, ZHAO Liangjun, LIN Guojun, WAN Honglin
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表2 各指标与IRSEI指数的相关性统计
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Tab.2 Statistic of correlation between each index and IRSEI index
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指标 | 2013年 | 2017年 | 2020年 | | NDVI | WET | LST | NDISSI | IRSEI | NDVI | WET | LST | NDISSI | IRSEI | NDVI | WET | LST | NDISSI | IRSEI | | NDVI | 1.00 | 0.24 | -0.62 | -0.95 | 0.99 | 1.00 | 0.37 | -0.63 | -0.96 | 0.99 | 1.00 | 0.39 | -0.51 | -0.96 | 0.98 | | WET | 0.24 | 1.00 | -0.49 | -0.49 | 0.37 | 0.37 | 1.00 | -0.49 | -0.53 | 0.47 | 0.39 | 1.00 | -0.45 | -0.58 | 0.50 | | LST | -0.62 | -0.49 | 1.00 | 0.69 | -0.72 | -0.63 | -0.49 | 1.00 | 0.66 | -0.72 | -0.51 | -0.45 | 1.00 | 0.60 | -0.62 | | NDISSI | -0.95 | -0.49 | 0.69 | 1.00 | -0.98 | -0.96 | -0.53 | 0.66 | 1.00 | -0.99 | -0.96 | -0.58 | 0.60 | 1.00 | -0.99 | | IRSEI | 0.99 | 0.37 | -0.72 | -0.98 | 1.00 | 0.99 | 0.47 | -0.72 | -0.99 | 1.00 | 0.98 | 0.50 | -0.62 | -0.99 | 1.00 | | 平均相关度 | 0.70 | 0.40 | 0.63 | 0.78 | 0.76 | 0.74 | 0.47 | 0.62 | 0.79 | 0.79 | 0.71 | 0.48 | 0.54 | 0.78 | 0.77 |
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