Table 2 Studied variables, data base, temporal and spatial resolution

GHG

 \({\text{X}}_{{{\text{CO}}_{{2}} }}\) (ppm)

OCO-2 “OCO-2 Data product user’s guide, 2016” V9

16 days

1.29 km × 2.25 km

Climate

 Surface solar shortwave irradiance (Global radiation, Qg) (MJ m⁻² day⁻¹)

FLASH Flux Version 3 (A, B,C) NASA/POWER

Daily

111.3 km × 111.3 km

 Average air temperature at 2 m (Temp) (ºC)

GEO-5 FP-IT (NASA/POWER)

Daily

111.3 km × 111.3 km

 Land surface temperature (LST) (ºC)

MOD11A1.006 V6 MODIS-TERRA

Daily

1200 km × 1200 km

 Wind speed at 10 m (WS) (m s⁻¹) (ºC)

GEO-5 FP-IT (NASA/POWER)

Daily

111.3 km × 111.3 km

 Relative humidity (RH) (%)

GEO-5 FP-IT (NASA/POWER)

Daily

111.3 km × 111.3 km

 Precipitation (Prec) (mm day⁻¹)

GEO-5 FP-IT (NASA/POWER)

Daily

111.3 km × 111.3 km

Vegetation

 SIF 757

OCO-2 “OCO-2 Data product user’s guide, 2016” V9

16 days

1.29 km × 2.25 km

 LAI (m² m⁻²)

MCD15A2H.006 V6 MODIS- CFPAR

8 days

500 m × 500 m

 Fraction of Photosynthetically Active Radiation (Fpar) (%)

 Evapotranspiration (ET) (kg m⁻² day⁻¹)

MOD16A2.006 V6 MODIS-TERRA

8 days

500 m × 500 m

 NDVI

MOD13A1.006 V6 MODIS-TERRA

16 days

500 m × 500 m