Atmosphere
For more information about the conceptual underpinning of the eLTER SOs and their role in the design and development of the eLTER RI, as well as the process of developing and selecting the SOs, please go to Info Sheet or dive into the Discussion paper on key Standard Observation variables.
Atmosphere
Meteorological data (SOATM_027)
Comprised Variables: relative air humidity, precipitation, air temperature, wind speed/wind direction, surface atmospheric pressure
Atmosphere
Radiation (SOATM_028)
Comprised Variables: PPFD, Global radiation (incoming and reflected), diffuse shortwave radiation, long-wave radiation (incoming and reflected), UV-B
Atmosphere
Soil heat flux (SOATM_098)
Comprised Variables: soil heat flux
Atmosphere
Atmospheric deposition in precipitation (SOATM_103)
Comprised Variables: precipitation: Bulk NH4-N, NO3-N, NO2-N, Ntot, SO4, PO4-P, K, pH, anion, cation, DOC, alkalinity, electrical conductivity
Atmosphere
Dry deposition of N-components (SOATM_108)
Comprised Variables: dry deposition of N-components
Atmosphere
Eddy covariance (SOATM_176)
Comprised Variables: CO2 flux and concentration, Latent heat flux, Sensible heat flux
Atmosphere
Forest - Aboveground biomass (SOBIO_023)
Comprised Variables: annual aboveground vegetation biomass
Atmosphere
Tree growth (SOBIO_177)
Comprised Variables: tree growth
Atmosphere
Non-forest - Aboveground biomass (SOBIO_024)
Comprised Variables: aboveground biomass – non-forested sites
Atmosphere
Gross primary production (SOBIO_090)
Comprised Variables: GPP calculated from Eddy-Covariance measurement
Atmosphere
Transpiration (SOBIO_091)
Comprised Variables: transpiration (Plants)
Atmosphere
Forests - Litterfall (SOBIO_092)
Comprised Variables: aboveground litterfall - forests
Atmosphere
Belowground biomass (SOBIO_093)
Comprised Variables: belowground biomass - terrestrial
Atmosphere
Phenological traits (Remote Sensing) (SOBIO_015)
Comprised Variables: phenological traits (including start, maximum, end of season), LAI
Atmosphere
Phenological traits (on-site) (SOBIO_016)
Comprised Variables: phenological traits (including start, maximum, end of season)
Atmosphere
Forest - LAI (SOBIO_025)
Comprised Variables: leaf area index - forests
Atmosphere
Non-forest - LAI (SOBIO_026)
Comprised Variables: leaf area index – non-forested sites
Atmosphere
Leaf - Elements (SOBIO_095)
Comprised Variables: leaf C, N, K, P, Ca, Mg, Mn content - terrestrial
Atmosphere
Vegetation - LiDAR (SOBIO_140)
Comprised Variables: LiDAR, every 3 (P) or 5 (B) years