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Table 3 Description of remotely-sensed predictor variables generated from Landsat 8 OLI, used for estimating above-ground biomass at the ground plot level

From: Model-based estimation of above-ground biomass in the miombo ecoregion of Zambia

Predictor variable Description Minimum Maximum Mean Citation
Albedo Sum of all bands 0.4156 1.1433 0.7103 Lu et al. (2016)
Albedo.texturea   0.0112 0.6469 0.0661 Hansen et al. (2002)
Atmospherically Resistant Vegetation Index (ARVI) NIR – 2 x Red – Blue/NIR + 2 x Red – Blue −0.1329 0.1974 0.0494 Kaufman and Tanre (1992)
ARVI.texture   0.0039 0.1675 0.0283  
Blue band   0.0115 0.0623 0.0324  
Blue.texture   0.0008 0.0556 0.0049  
Enhanced Vegetation Index (EVI) 2.5 x ((NIR – Red)/(NIR + (6 x Red) – (7.5 x Blue) + 1) 0.9530 1.6688 1.4284 Justice et al. ( 1998)
EVI.texture   0.0079 0.1875 0.0545  
Green band   0.0297 0.0966 0.0547  
Green.texture   0.0006 0.0786 0.0064  
Normalized Burn Ratio (NBR) NIR – SWIR2/NIR + SWIR2 −0.1119 0.5962 0.3084 Key and Benson (2006)
NBR.texture   0.0054 0.3623 0.0561  
Normalized Difference Moisture Index (NDMI) NIR – SWIR1/NIR + SWIR1 −0.2136 0.3247 0.0475 Jin and Sader (2005)
NDMI.texture   0.0047 0.2289 0.0419  
Normalized Difference Vegetation Index (NDVI)  NIR - Red/NIR + Red 0.3133 0.8169 0.5398 Rouse et al. ( 1974)
NDVI.texture   0.0091 0.3330 0.0482  
NIR band Near infrared 0.1187 0.2974 0.2263  
NIR.texture   0.0034 0.0455 0.0152  
Red band   0.0247 0.1368 0.0685  
Red.texture   0.0016 0.1150 0.0106  
SWIR1 band Shortwave infrared 1 0.1071 0.3333 0.2073  
SWIR1.texture   0.0028 0.1624 0.0205  
SWIR2 band Shortwave infrared 2 0.0497 0.2527 0.1212  
SWIR2.texture   0.0021 0.1910 0.0156  
  1. Minimum, maximum, and mean values calculated from n = 64
  2. aAll variables denoted with .texture were calculated using the standard deviation for each band or index using a 3 × 3 pixel window