Table 1 NDVI-based statistical models used to generate fine-resolution LAI at each growth stage in the different study areas.

From: ValLAI_Crop, a validation dataset for coarse-resolution satellite LAI products over Chinese cropland

Date

Model

Site

2004/4/1

LAI = 1.58*ln(0.78/(0.93-NDVI))

BJ-wheat

2004/4/17

LAI = 1.49* ln (0.96/(0.97-NDVI))

2004/5/19

LAI = 1.44* ln (0.96/(0.97-NDVI))

2005/4/4

LAI = 1.30*ln(0.86/(0.97-NDVI))

2005/5/6

LAI = 1.46*ln(0.834/(0.93-NDVI))

2005/5/22

LAI = 1.42*ln(0.96/(0.97-NDVI))

2006/4/7

LAI = 1.36* ln (0.96/(0.97-NDVI))

2007/4/10

LAI = 1.48* ln (0.96/(0.97-NDVI))

2003/3/30

LAI = 1.58*ln(0.96/(0.97-NDVI))

HN-wheat

2004/4/8

LAI = 1.66*ln(0.96/(0.97-NDVI))

2004/4/24

LAI = 1.62*ln(0.96/(0.97-NDVI))

2004/5/10

LAI = 1.59*ln(0.91/(0.96-NDVI))

2004/5/17

LAI = 1.44*ln(0.76/(0.91-NDVI))

2005/05/23

LAI = 1.30*ln(0.81/(0.95-NDVI))

HLJ-barley

2006/06/02

LAI = 1.30*ln(0.944/(0.97-NDVI))

2007/06/14

LAI = 1.36*ln(0.90/(0.92-NDVI))

2005/05/23

LAI = 1.30*ln(0.822/(0.94-NDVI))

HLJ-wheat

2006/06/02

LAI = 1.30*ln(0.858/(0.96-NDVI))

2017/3/29

LAI = 1.33*ln(0.9400/(0.95-NDVI))

AH-wheat

2017/4/23

LAI = 1.80*ln(0.9505/(0.96-NDVI))