Airborne observations of GHG fluxes

The datasets belong to the data collection "AIRMETH_turbulent_fluxes_Polar5". The data were derived in the Mackenzie Delta, Canada, and the North Slope of Alaska during two aircraft AIRMETH (Airborne Measurements of Methane Fluxes) campaigns (Kohnert et al., 2014, Hartmann et al., 2018, Kohnert et al., 2018, Serafimovich et al., 2018, Kohnert et al., 2018) that aimed at capturing exchange processes between the surface and the atmosphere across large arctic permafrost landscapes. The study periods were 28 June to 10 July 2012 and 19 July to 26 July 2013.

This datasets contain a) for the Mackenzie Delta (2012, 2013) fluxes of methane (CH4) along each flight track calculated via the eddy-covariance technique, and a footprint flux map presented in Kohnert et al. (2017); b) for the North Slope of Alaska (2012) fluxes of sensible and latent heat along each flight track calculated via the eddy-covariance technique and heat flux maps as presented in Serafimovich et al. (2018).

A link to download the datasets from the Pangaea database will follow in summer 2020.

References:

Hartmann, J., Gehrmann, M., Kohnert, K., Metzger, S., and Sachs, T. (2018). New calibration procedures for airborne turbulence measurements and accuracy of the methane fluxes during the AirMeth campaigns. Atmospheric Measurement Techniques, 11, 4567-4581.

Kohnert, K., Serafimovich, A., Metzger, S., Hartmann, J., Sachs, T. (2017). Strong geologic methane emissions from discontinuous terrestrial permafrost in the Mackenzie Delta, Canada. Scientific Reports, 7, 5828.

Kohnert, K., Juhls, B., Muster, S., Antonova, S., Serafimovich, A., Metzger, S., Hartmann, J., Sachs, T. (2018). Toward Understanding the Contribution of Waterbodies to the Methane Emissions of a Permafrost Landscape on a Regional Scale – A Case Study from the Mackenzie Delta, Canada. Global Change Biology, 24(9), 3976-3989.

Kohnert, K., Serafimovich, A., Hartmann, J., Sachs, T (2014). Airborne Measurements of Methane Fluxes in Alaskan and Canadian Tundra with the Research Aircraft “Polar 5”. Reports on Polar and Marine Research 673, ISSN 1866-3192, pp. 81.

Serafimovich, A., Metzger, S., Hartmann, J., Kohnert, K., Zona, D., Sachs, T. (2018). Upscaling surface energy fluxes over the North Slope of Alaska using airborne eddy-covariance measurements and environmental response functions. Atmospheric Chemistry and Physics, 18, 10007-10023.

Data and Resources

Additional Info

Field Value
Principal Investigator Torsten Sachs
Data Curator Andrei Serafimovich, Katrin Kohnert
Last Updated January 31, 2020, 10:37 (CET)
Created November 22, 2018, 16:29 (CET)
Parameter name(s) timestamp, easting, northing, height above ground, CH4 flux, sensible heat flux, latent heat flux
Project/Program name(s) AIRMETH, INTAROS
Observing system name LAND: Surface-atmosphere fluxes