Table 4 Environmental Variables for the TEM.
Type | Data Name | Code | Unit | Time | Data Characteristics | Source |
|---|---|---|---|---|---|---|
Location | Longitude | Lon | degree | — | constant | Longitude and latitude of meteorological stations |
Latitude | Lat | degree | — | constant | Longitude and latitude of meteorological stations | |
Altitude | Above sea surface | ELEV | m | — | constant | Altitude above sea surface of Meteorological Stations |
Climate | Precipitation | PRECIP | mm | 1961–2013 | monthly | Meteorological data sharing network |
Temperature | TAIR | °C | 1961–2013 | monthly | Meteorological data sharing network | |
Cloud Amount | CLDS | % | 1981–2010 | monthly | Meteorological data sharing network | |
Radiation | NIRR | W m-2 | 1961–2013 | monthly | Meteorological data sharing network | |
CO2 Concentration | ppm | 1961–2013 | annual | NOAA published | ||
Soil | Sand | PCTSAND | % | multi-year | constant | Second soil investigation |
Clay | PCTSILT | % | multi-year | constant | Second soil investigation | |
Silt | PCTCLAY | % | multi-year | constant | Second soil investigation | |
Vegetation | Vegetation Type | TEMVEG | — | multi-year | constant | Grassland investigation |