自然因子对四川植被NDVI变化的地理探测
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彭文甫,张冬梅,罗艳玫,陶帅,徐新良
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Influence of natural factors on vegetation NDVI using geographical detection in Sichuan Province
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PENG Wenfu,ZHANG Dongmei,LUO Yanmei,TAO Shuai,XU Xinliang
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表3 2000-2015年四川省植被NDVI变化转移矩阵(km2)
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Tab. 3 The transfer matrix of vegetation NDVI changes in Sichuan during 2000-2015 (km2)
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| 植被NDVI等级 | ≤ 0.2 | 0.2~0.4 | 0.4~0.6 | 0.6~0.8 | > 0.8 | 2015年合计 | 转入 | | ≤ 0.2 | 1487.75 | 182.01 | 7.50 | 2.25 | 0 | 1703.75 | 216.00 | | 0.2~0.4 | 536.75 | 3059.65 | 1008.05 | 50.00 | 1.00 | 4655.25 | 1595.75 | | 0.4~0.6 | 41.25 | 1931.10 | 11377.55 | 3739.19 | 225.26 | 17313.5 | 10826.75 | | 0.6~0.8 | 4 | 154.76 | 6487.06 | 67633.64 | 18250.92 | 92525.75 | 24895.50 | | > 0.8 | 2.25 | 30.50 | 314.02 | 48131.17 | 318173.97 | 366633.5 | 48475.50 | | 2000年合计 | 2072 | 5358.02 | 19194.17 | 119556.25 | 336651.15 | | | | 转出 | 584.25 | 2298.25 | 7816.25 | 51920 | 18476.25 | | | | 变化量 | -368.25 | -702.5 | -1 879.75 | -27 024.5 | 29 999.25 | | |
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