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Local weather conditions at Soontaga study site_
| Year | Average temperature of each year (°C) | Annual total precipitation (cm) | Warm/cold | Dry/wet |
|---|---|---|---|---|
| 2016 | 7.57 | 47.40 | Cold | Wet |
| 2017 | 7.09 | 49.52 | Cold | Wet |
| 2018 | 8.18 | 32.90 | Warm | Dry |
| 2019 | 8.29 | 59.07 | Warm | Wet |
Major parameters and values used in the BEPS model or input preparation_
| Input parameters | Values | Reference |
|---|---|---|
| Clumping Index | 0.69 | For Soontaga site according to the global clumping index map by He et al. (2012), RSE |
| Scale factor for LAI (500 m pixel size) | 0.1 | MODIS product MCD15A3H.006 (USGS, 2021) |
Annual total GPP from tower-based observations (with uncertainty values), BEPS model, and percentage difference_
| Year | GPP Tower (g C m−2) | GPP BEPS (g C m−2) | Difference (%) |
|---|---|---|---|
| 2016 | 1447±16 | 1175 | −23.12 |
| 2017 | 1166±6 | 1214 | 3.96 |
| 2018 | 1143±38 | 1345 | 14.96 |
| 2019 | 1288±2 | 1293 | 0.33 |