Variables

List of variables collected at the different ICOS sites (Class 1 and Class 2) for the different ecosystem types:

Updated: 20161117

Variable Forest Grassland Cropland Peatland Marine Lakes
CO2, H2O and H fluxes (eddy covariance, including profile for storage) 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2
CH4 and N2O fluxes (eddy covariance, including profile for storage) 1 1 1 1 1 1
Air H2O concentration 1 1 1 1 1 1
Incoming, Outgoing and Net SW and LW radiations 1 & 2 1 & 2 1 & 2 1 & 2 1 1
Incoming SW radiation (high quality) Fac Fac Fac Fac Fac Fac
Incoming PPFD 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2
PPFD below canopy + ground reflected Fac Fac Fac N.R. N.R. N.R.
Outgoing PPFD 1 & 2 1 & 2 1 & 2 1 & 2 Fac Fac
Diffuse PPFD and/or SW radiation 1 1 1 1 Fac Fac
Spectral reflectance Fac Fac Fac Fac Fac Fac
Soil Heat flux 1 & 2 1 & 2 1 & 2 1 & 2 N.R. N.R.
Air Temperature and RH profile 1 & 2 1 & 2 1 & 2 1 & 2 Fac Fac
Backup meteo station (TA, RH, SW_IN, precipitation) 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2
Total high accuracy precipitation 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2
Snow height 1 & 2 1 & 2 1 & 2 1 & 2 Fac Fac
Soil Water Content profile 1 & 2 1 & 2 1 & 2 1 & 2 N.R. N.R.
Soil Temperature profile 1 & 2 1 & 2 1 & 2 1 & 2 N.R. N.R.
Air Pressure 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2
Trunk and branches temperature Fac N.R. N.R. N.R. N.R. N.R.
Groundwater level 1 & 2 1 & 2 1 & 2 1 & 2 N.R. N.R.
Tree diameter (continuous) 1 N.R. N.R. N.R. N.R. N.R.
Phenology-Camera 1 1 1 1 N.R. N.R.
Soil CO2 automatic chambers 1 1 1 1 1 1
CH4 and N2O fluxes by automatic chambers 1 1 1 1 1 1
Wind speed and wind direction (additional to 3D sonic) 1 1 1 1 1 1
GAI 1 & 2 1 & 2 1 & 2 1 & 2 N.R. N.R.
Above Ground Biomass 1 & 2 1 & 2 1 & 2 1 & 2 N.R. N.R.
Soil carbon content 1 & 2 1 & 2 1 & 2 1 & 2 N.R. N.R.
Litterfall 1 1 1 1 N.R. N.R.
Leaf nutrients content 1 & 2 1 & 2 1 & 2 1 & 2 N.R. N.R.
Soil water N content Fac Fac Fac Fac N.R. N.R.
DOC concentration Fac Fac Fac Fac N.R. N.R.
C and N import/export by management 1 & 2 1 & 2 1 & 2 1 & 2 N.R. N.R.
Oxygen and pCO2 surface concentration N.R. N.R. N.R. Fac 2 2
Oxygen, pCO2 and pN2O concentration profile N.R. N.R. N.R. Fac 1 1
Salinity N.R. N.R. N.R. N.R. 1 & 2 N.R.
Wave properties N.R. N.R. N.R. N.R. Fac Fac
Water temperature profile N.R. N.R. N.R. N.R. 1 1
Management and distrurbances information 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2