Table 4 Basic description of the field sites for the ground-continuous GPP measurements.
Site ID | Name | Coordinate | Height (m) | Ecosystem type | IGBP | Period | Reference |
|---|---|---|---|---|---|---|---|
SQ | Shangqiu | 34.587 N, 115.5753E | 12/10 | Cropland (winter wheat and maize rotation) | CRO | May to September in 2020 | |
XLHT | Xilinhot | 43.5513 N, 116.6710E | 5 | Grassland | GRO | July to September from 2019 to 2020 | |
DM2 | Damao | 41.644 N,110.3315E | 2.3 | Desert grassland | GRO | May to September from 2015 to 2018 | |
REG | Ruoergai | 32.8 N,102.6E | 2.5 | Wetland | WET | March to October during 2015 to 2020 | |
HZ | Huzhong | 51.7811 N, 121.01778 E | 35 | Forest | DNF | March to October during 2014 to 2018 | |
MES | Maoershan | 45.4167 N,127.6678E | 36 | Forest | DBF | March to October during 2015 to 2018 |