基于可见光不同分辨率影像下的昭苏山地草甸地上生物量估算

袁以琳, 颜安, 宁松瑞, 侯正清, 张振飞, 肖淑婷, 孙哲, 夏雯秋

Aboveground biomass estimation of Zhaosu mountain meadow based on visible light images with different resolution

YUAN Yilin, YAN An, NING Songrui, HOU Zhengqing, ZHANG Zhenfei, XIAO Shuting, SUN Zhe, XIA Wenqiu

表2 可见光植被指数及计算公式

Tab.2 Visible light vegetation index and calculation formula

植被指数 Vegetation indexes 计算公式 Calculation formula EXG GRVI MGRVI RXR RGBVI NDI VARI EXGR 2G-R-B[18] (G-R)/(G+R)[18] (G2-R2)/(G2+R2)[18] 1.4×R-G[18] (G2-B×R)/(G2+B×R)[18] (R-G)/(R+G+0.01)[18] (G-R)/(G+R-B)[18] 3G=2.4R-B[18]