不同生育时期玉米洪涝胁迫遥感监测与评估

隋学艳, 梁守真, 张金盈, 王猛, 王勇, 侯学会, 张晓冬

Remote sensing monitoring on maize flood stress and yield evaluation at different stages

SUI Xue-Yan, LIANG Shou-Zhen, ZHANG Jin-Ying, WANG Meng, WANG Yong, HOU Xue-Hui, ZHANG Xiao-Dong

表2 洪涝胁迫天数与光谱形状参数和植被指数的相关性

Table 2 Correlation of flooding stress period with spectral shape parameters and vegetation indexes

名称 Parameters 缩写 Abbreviation 作者及年代 Author and year 拔节期 Jointing stage 吐丝期 Silking stage 灌浆期 Filling stage 差值植被指数 Difference vegetation index DVI [867, 671] Richardso et al. (1977) [22] -0.9491** -0.8220* -0.3405 DVI [550, 464] -0.8906* -0.2548 -0.7216 DVI [550, 671] -0.9515** -0.6641 -0.6018 比值植被指数 Ratio vegetation index RVI [867, 671] -0.9274** -0.9373** 0.7446 归一化差值植被指数 Normalization difference vegetation index NDVI [550, 671] Rouse et al. (1974) [23] 0.9635** 0.7552 -0.5113 NDVI [671, 867] -0.9432** -0.9481** 0.6828 红谷位置 Location of red valley λ0 Liu (2002) [24] -0.9660** -0.8396* 0.6613 红边峰值 Maximum value of the first derivative at the red edge RFDMax -0.9614** -0.7990 -0.2701 吸收谷红谷深度 Depth of red absorption valley Depth [670] -0.9384** -0.7593 0.6003 反射峰绿峰深度 Depth of green peak P_Depth [540] -0.9378** -0.5346 0.5522 吸收谷红谷面积 Area of red absorption valley Area [670] -0.9378** -0.6942 0.6217 反射峰绿峰面积 Area of green reflectance peak P_Area [540] -0.9220** -0.5719 0.5028 红边位置 Red edge position λp -0.9194** -0.8586* 0.7817 红边宽度 Red edge width σ -0.7454 -0.7925 0.8302* 归一化反射峰绿峰深度 Normalized depth of green reflectance peak P_ND [540] 0.5344 0.6719 0.7217 归一化吸收谷红谷深度 Normalized depth of red absorption valley ND [670] 0.9020* 0.0476 -0.6463 抗大气植被指数 Visible atmospherically resistant index Vari700 Singh et al. (2002) [25] -0.9442** -0.8037 0.6074 VariGreen -0.9695** -0.8293* 0.5179 光化学反射指数 Photochemical reflectance index PRI [570, 531] Gamom et al. (1992) [26] -0.9546** -0.8661* 0.5112 最优土壤调节植被指数 Optimization of soil-adjusted regulatory vegetation index OSAVI Rondeaux et al. (1996) [27] -0.9527** -0.8567* 0.2736 土壤调整植被指数 Soil-adjusted vegetation index SAVI Huete et al. (1988) [28] -0.9493** -0.8384* -0.1070 转化型叶绿素吸收反射指数 Tidal constituent and residual interpolation TCARI Haboudane et al. (2002) [29] -0.5457 -0.3166 -0.7241 叶绿素含量指数 Canopy chlorophyll inversion index CCII Haboudane et al. (2002) [29] 0.5441 0.6918 -0.7130 绿度指数 Green normalization difference vegetation index GreenNDVI Baret et al. (1991) [30] 0.8977* 0.8795* 0.8039 结构不敏感色素指数 Structure insensitive pigment index SIPI Penuelas et al. (1995) [31] 0.9514** 0.9564** -0.5422