松嫩平原土壤盐碱化地表基质成因研究
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马敏, 左震, 韩燕东, 邱野, 乔牡冬
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Origin of surface substrate for soil salinization and alkalization in the Songnen Plain
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MA Min, ZUO Zhen, HAN Yandong, QIU Ye, QIAO Mudong
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表3 常用的遥感土壤水分光谱指数(SWI)
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Tab.3 The commonly used soil water index by remote sensing
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| 序号 | 名称 | 公式 | 参考文献 | | 1 | 缨帽变换土壤湿度指数TCS | TCS=0.150 9B2 + 0.197 3B3 + 0.327 3B4 + 0.340 6B8-0.711 2B11+0.457 3B12 | [47-48] | | 2 | 归一化水分指数NDWI | NDWI=(B8-B11)/(B8+B11) | [40] | | 3 | 短波红外变换反射指数STR | STR=0.5(1-B12)/B12 | [49] | | 4 | 标准化多波段干旱指数NMDI | NMDI=B8-(B11 -B12)/B8+B11-B12 | [50] | | 5 | 简单比值水分指数SRWI | SRWI=B8A/B11 | [51] | | 6 | 陆表水分指数LSWI | LSWI=(B8A-B11)/(B8A+B11) | [52] |
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