多时相SAR的喀斯特山区耕地表层土壤水分反演

张淑, 周忠发, 王玲玉, 陈全, 骆剑承, 赵馨

Inversion of moisture in surface soil of farmland in karst mountainous areas using multi-temporal SAR images

ZHANG Shu, ZHOU Zhongfa, WANG Lingyu, CHEN Quan, LUO Jiancheng, ZHAO Xin

表4 烟草不同生长期土壤水分与株高、叶展、叶片数及LAI的相关关系

Tab.4 Correlation coefficients between soil moisture and plant height, leaf length, leaves, LAI during different growth periods of tobacco

烟草生 长数据 土壤含水量 T1 T2 T3 T4 株高 -0.132 0.598** -0.221 0.535** 叶展 -0.466*① 0.401* 0.279 -0.250 叶片数 0.147 0.263 0.279 -0.466* LAI -0.385 -0.087 0.171 -0.596**