Hydrosphere

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.

Filter and Browse Standard Observations

Hydrosphere
Wetlands Inland surface standing waters Coastal (transitional) waters including coastal littoral zones Sparsely vegetated habitats and deserts

Standing water - Profiles chemical/physical waters properties (SOHYD_004)

Comprised Variables: lakes, lagoons, reservoirs - water temperature, pH, EC, turbidity, oxygen, water depths 
Hydrosphere
Vegetated man-made habitats Inland surface standing waters Inland surface running waters Sparsely vegetated habitats and deserts

Running water - chemical/physical properties (SOHYD_005)

Comprised Variables: water temperature, pH, EC, turbidity, oxygen, NO3, SAC 254, water level
Hydrosphere
Wetlands Grasslands and lands dominated by forbs, mosses or lichens Heathlands, shrub and tundra Forests and other wooded land Vegetated man-made habitats Inland surface standing waters Inland surface running waters Sparsely vegetated habitats and deserts

Groundwater - chemical/physical properties (SOHYD_006)

Comprised Variables: water temperature, hydraulic head, electrical conductivity
Hydrosphere
Inland surface running waters

Running water - carbon (SOHYD_169)

Comprised Variables: DOC, DIC
Hydrosphere
Wetlands Inland surface standing waters Coastal (transitional) waters including coastal littoral zones

Standing water - Profiles carbon (SOHYD_170)

Comprised Variables: DOC, DIC
Hydrosphere
Inland surface standing waters Inland surface running waters Coastal (transitional) waters including coastal littoral zones

Surface water - Major ion concentrations (SOHYD_171)

Comprised Variables: Cl, SO4, Br, Na, K, Mg, Ca, Silica
Hydrosphere
Wetlands Grasslands and lands dominated by forbs, mosses or lichens Heathlands, shrub and tundra Forests and other wooded land Vegetated man-made habitats Inland surface standing waters Inland surface running waters Coastal (transitional) waters including coastal littoral zones Sparsely vegetated habitats and deserts

Running water level (SOHYD_010)

Comprised Variables: water level (in order to derive river/stream discharge)
Hydrosphere
Inland surface standing waters Coastal (transitional) waters including coastal littoral zones

Standing water - Ice cover/thickness (SOHYD_011)

Comprised Variables: Ice cover/thickness standing and transitional water
Hydrosphere
Wetlands Grasslands and lands dominated by forbs, mosses or lichens Heathlands, shrub and tundra Forests and other wooded land Vegetated man-made habitats Inland surface standing waters Inland surface running waters Sparsely vegetated habitats and deserts

Snow (SOHYD_012)

Comprised Variables: snow cover, depth
Hydrosphere
Wetlands Grasslands and lands dominated by forbs, mosses or lichens Heathlands, shrub and tundra Forests and other wooded land Vegetated man-made habitats Inland surface standing waters Inland surface running waters Sparsely vegetated habitats and deserts

Soil water content/temperature (SOHYD_168)

Comprised Variables: soil water content, soil temperature
Hydrosphere
Grasslands and lands dominated by forbs, mosses or lichens Heathlands, shrub and tundra Forests and other wooded land Vegetated man-made habitats Inland surface standing waters Inland surface running waters Coastal (transitional) waters including coastal littoral zones

Surface water - Stable isotopes (SOHYD_058)

Comprised Variables: stable isotopes (18O, 2H) - standing, running waters
Hydrosphere
Wetlands Grasslands and lands dominated by forbs, mosses or lichens Heathlands, shrub and tundra Forests and other wooded land Vegetated man-made habitats Inland surface standing waters Inland surface running waters Sparsely vegetated habitats and deserts

Groundwater - Stable Isotopes (SOHYD_059)

Comprised Variables: stable Isotopes (18O, 2H) - groundwater
Hydrosphere
Wetlands Grasslands and lands dominated by forbs, mosses or lichens Heathlands, shrub and tundra Forests and other wooded land Vegetated man-made habitats Inland surface standing waters Coastal (transitional) waters including coastal littoral zones

Groundwater - Major ion concentrations (SOHYD_062)

Comprised Variables: major ion concentrations: Cl, SO4, Br, Na, K, Mg, Ca - groundwater
Hydrosphere
Wetlands Grasslands and lands dominated by forbs, mosses or lichens Heathlands, shrub and tundra Forests and other wooded land Vegetated man-made habitats Inland surface standing waters Inland surface running waters Coastal (transitional) waters including coastal littoral zones

Groundwater - Nutrients (SOHYD_064)

Comprised Variables: nutrient concentration: TP, SRP, TDN, NO3, NO2, NH4, DOC, DIC - groundwater
Hydrosphere
Wetlands Inland surface standing waters Inland surface running waters Coastal (transitional) waters including coastal littoral zones

Running water - micropollutants (SOHYD_067)

Comprised Variables: micropollutants: non-target screening [~1000 substances] - running waters
Hydrosphere
Sparsely vegetated habitats and deserts

Glacier - front variation (SOHYD_164)

Comprised Variables: glacier front variation
Hydrosphere
Sparsely vegetated habitats and deserts

Glacier - mass balance (SOHYD_165)

Comprised Variables: glacier mass balance
Hydrosphere
Sparsely vegetated habitats and deserts

Glacier - area (SOHYD_166)

Comprised Variables: glacier area
Hydrosphere
Inland surface standing waters Coastal (transitional) waters including coastal littoral zones

Secchi-depth (SOHYD_174)

Comprised Variables: secchi-depth; standing waters and transitional waters