历史平均值法用于MODIS影像像元云补偿——以甘肃省为例
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陈宝林, 张斌才, 吴静, 李纯斌, 常秀红
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Historical average method used in MODIS image pixel cloud compensation: Exemplified by Gansu Province
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CHEN Baolin, ZHANG Bincai, WU Jing, LI Chunbin, CHANG Xiuhong
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表9 甘肃省2017年冬至及冬至前15 d白天像元有效率
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Tab.9 The daytime pixel efficiency of the 2017 winter solstice and 15 days before the winter solstice in Gansu Province
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| 日序 | 计数 | 总和 | 面积/km2 | 有效率/% | | 356 | 1 715 | 929 390 | 405 182.57 | 57.34 | | 355 | 2 011 | 1 182 920 | 405 182.57 | 72.99 | | 354 | 1 902 | 1 537 141 | 405 182.57 | 94.84 | | 353 | 1 810 | 1 301 081 | 405 182.57 | 80.28 | | 352 | 1 822 | 1 065 853 | 405 182.57 | 65.76 | | 351 | 1 631 | 841 357 | 405 182.57 | 51.91 | | 350 | 1 904 | 1 022 746 | 405 182.57 | 63.10 | | 349 | 2 015 | 854 672 | 405 182.57 | 52.73 | | 348 | 1 746 | 190 581 | 405 182.57 | 11.76 | | 347 | 1 886 | 395 101 | 405 182.57 | 24.38 | | 346 | 1 841 | 854 947 | 405 182.57 | 52.75 | | 345 | 1 860 | 853 712 | 405 182.57 | 52.67 | | 344 | 1 752 | 1 131 642 | 405 182.57 | 69.82 | | 343 | 1 736 | 1 211 673 | 405 182.57 | 74.76 | | 342 | 1 774 | 549 763 | 405 182.57 | 33.92 | | 341 | 1 588 | 1 080 286 | 405 182.57 | 66.65 |
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