 Snow Index (Hall, 2002)","Green Normalized Difference Vegetation Index (Gitelson, 1998)","Red Green Ratio Index (Gamon, 1999)","Green-Red ratio Vegetation Index  (Tucker, 1979)"],["(NIR - RED)/(NIR + RED)","2.5 * (NIR - RED)/(NIR + 6 * RED - 7.5 * BLUE + 1","NIR / RED","(NIR - SWIR1) / (NIR + SWIR1)","(NIR - SWIR1) / (NIR + SWIR1)","(NIR - SWIR2) / (NIR + SWIR2)","((NIR - RED) / (NIR + RED + 0.5)) * (1 + 0.5)","(GREEN - SWIR1) / GREEN + SWIR1)","(NIR - GREEN)/(NIR + GREEN)","RED / GREEN","(RED - GREEN) / (