Carbondioxide flux

2008-06-06 → 2024-10-03 greenland-institute-of-natural-resources Greenland Ecosystem Monitoring CC BY-SA 4.0

Carbon fluxes are measured weekly. The vegetation in the CO2 flux plots is dominated by Empetrum nigrum heath with Salix glauca as subdominant species. Soil moisture is measured in all plots. Temperature is recorded by wireless GeoPrecision mini data loggers. For further details, please refer to the newest BioBasis manual available at the website.

Data and Resources

Carbondioxide flux
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Additional Info

Field	Value
Source	https://data.g-e-m.dk/datasets/10.17897/46HF-DC31
Version	1
Citation	Read the documentation, GEM terms of use and how to cite: https://data.g-e-m.dk/guides. Please get in touch with the GEM secretariat if you need help to cite correctly.
Temporal coverage	2008-06-06 → 2024-10-03
Spatial coverage	64.13°N, -51.38°E
Station	greenland-institute-of-natural-resources
Variable measured	Date (Date) Date of measurement https://data.g-e-m.dk/datasets/10.17897/46HF-DC31#column=Date Time (Hour) Time of measurement (local time). Prior to 2023-10-28 West Greenland time zone was UTC -03:00 (UTC -02:00 during day light savings, aka summer time, which is from the last sunday in March to the last sunday in October). After 2023-10-28 West Greenland changed time zone to UTC -02:00 (UTC -02:00 during day light savings aka summer time) https://data.g-e-m.dk/datasets/10.17897/46HF-DC31#column=Time Plot (Text) Plot number https://data.g-e-m.dk/datasets/10.17897/46HF-DC31#column=Plot Treatment (Text) C, SG, LG = control, S = shading by hessian tents, T = increased temperature using ITEX Plexiglas hexagons. https://data.g-e-m.dk/datasets/10.17897/46HF-DC31#column=Treatment Latitude (Number) Latitude of plot https://data.g-e-m.dk/datasets/10.17897/46HF-DC31#column=Latitude Longitude (Number) Logitude of plot https://data.g-e-m.dk/datasets/10.17897/46HF-DC31#column=Longitude Light (Text) L: light measurement using transparent chamber, D: dark measurement using darkened chamber (text). https://data.g-e-m.dk/datasets/10.17897/46HF-DC31#column=Light CO2_flux_mgCO2m-2h-1 (mgCO2/m2/h) Calculated CO2 fluxes (mg CO2/m2/h) by using linear fit (2008, 2010 and onwards) and quadratic fit (2009). Fitting of curve is optimized by maximizing r2 values (numeric). https://data.g-e-m.dk/datasets/10.17897/46HF-DC31#column=CO2_flux_mgCO2m-2h-1 Cloud_cover (X/8) Estimated cloud cover ranging 0 (clear skies) to 8 (overcast) https://data.g-e-m.dk/datasets/10.17897/46HF-DC31#column=Cloud_cover PAR_Âµmolm-2s-1 (Âµmol/m2/s) Mean amount of incoming photosynthetic active radiation (Âµmol/m2/s) from inside chamber during measurement (numeric) https://data.g-e-m.dk/datasets/10.17897/46HF-DC31#column=PAR_%C2%B5molm-2s-1 Air_temperature_degC (Celcius) Mean air temperature (deg C) from inside chamber during measurement (numeric) https://data.g-e-m.dk/datasets/10.17897/46HF-DC31#column=Air_temperature_degC Soil_moisture_% (%) Mean soil moisture content (%) based on three measurements (numeric) https://data.g-e-m.dk/datasets/10.17897/46HF-DC31#column=Soil_moisture_%25 Air_pressure_hPa (hPa) Mean air pressure (hPa) from inside chamber during measurement (numeric) https://data.g-e-m.dk/datasets/10.17897/46HF-DC31#column=Air_pressure_hPa Gas_analyzer (Text) Gas analyzer https://data.g-e-m.dk/datasets/10.17897/46HF-DC31#column=Gas_analyzer Remarks (Text) Remarks https://data.g-e-m.dk/datasets/10.17897/46HF-DC31#column=Remarks
Publisher	Greenland Ecosystem Monitoring