基于NPP-VIIRS数据的喜马拉雅山北坡典型湖泊湖冰提取分析
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孙皓, 李传华, 姚晓军
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Extraction and analysis of lake ice in typical lakes on the northern slopes of the Himalayas based on NPP-VIIRS data
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Hao SUN, Chuanhua LI, Xiaojun YAO
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表3 Landsat与阈值法湖冰提取结果对比
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Table 3 Lake ice areas of the four lakes extracted by Landsat TM and NPP-VIIRS data
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| 湖泊名称 | 基于Landsat TM提取的湖冰面积/km2 | 基于NPP-VIIRS提取的湖冰面积/km2 | 误差/% | 日期 |
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| 拉昂错 | 178.430 | 178.123 | 0.17% | 2015-12-31 | | 212.003 | 212.169 | 0.08% | 2016-03-20 | | 105.131 | 105.252 | 0.12% | 2016-04-05 | | 玛旁雍错 | 54.508 | 58.333 | 6.56% | 2016-01-16 | | 400.134 | 402.120 | 0.49% | 2016-04-05 | | 42.024 | 40.591 | 3.53% | 2016-04-21 | | 佩枯错 | 11.660 | 12.288 | 5.11% | 2016-01-27 | | 4.607 | 5.022 | 8.26% | 2016-02-12 | | 3.185 | 3.564 | 10.62% | 2016-02-28 | | 普莫雍错 | 184.382 | 185.636 | 0.68% | 2016-01-06 | | 280.314 | 279.693 | 0.22% | 2016-02-07 | | 276.718 | 276.413 | 0.11% | 2016-03-10 |
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