基于Sentinel-2A/B数据构建水体指数的波段优选
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夏兴生, 雷博洋, 窦春娟, 陈琼, 潘耀忠
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Band selection optimization for constructing water indices based on Sentinel-2A/B data
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XIA Xingsheng, LEI Boyang, DOU Chunjuan, CHEN Qiong, PAN Yaozhong
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表1 Sentinel-2A/B卫星多光谱数据参数
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Tab.1 Sentinel-2A/B satellite multispectral data parameters
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| 波段 | 中心波长/nm | 光谱带
宽/nm | 空间分
辨率/m | | Bl(Coastal aerosol) | 443.9/442.3 | 27/45 | 60 | | B2(Blue) | 496.6/492.1 | 98/98 | 10 | | B3(Green) | 560/559 | 45/46 | 10 | | B4(Red) | 664.5/665 | 38/39 | 10 | | B5(Vegetation Red Edge) | 703.9/703.8 | 19/20 | 20 | | B6(Vegetation Red Edge) | 740.2/739.1 | 18/18 | 20 | | B7(Vegetation Red Edge) | 782.5/779.7 | 28/28 | 20 | | B8(NIR) | 835.1/833 | 145/133 | 10 | | B8A(Narrow NIR) | 864.8/864 | 33/32 | 20 | | B9(Water Vapour) | 945/943.2 | 26/27 | 60 | | B10(SWIR-Cirrus) | 1 373.5/1 376.9 | 75/76 | 60 | | B11(SWIR) | 1 613.7/1 610.4 | 143/141 | 20 | | B12(SWIR) | 2 202.4/2 185.7 | 242/238 | 20 |
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