Instruction on co2 turbulent fluxes


Download the last version and the previous versions of the Instruction on Eddy Covariance CO2, Energy and Momentum Turbulent Fluxes. This Instruction is based on the following ICOS protocols:

  • Schmid et al., 2013. “Protocol on Sonic Anemometer use at ICOS-Ecosystem Sites”
  • Aubinet et al., 2014. “High frequency concentration”
  • Rebmann et al., 2016. “Flux-Station Site Setup including complementary measurements”

and published in:
Rebmann C, Aubinet M, Schmid H, et al. ICOS eddy covariance flux-station site setup: a review. Int. Agrophys. 2018;32(4):471-494. doi:10.1515/intag-2017-0044

The Instruction document can be cited as:
Sabbatini, S., & Papale, D. (2017). ICOS Ecosystem Instructions for Turbulent Flux Measurements of CO2, Energy and Momentum (Version 20200316). ICOS Ecosystem Thematic Centre. https://doi.org/10.18160/qwv4-639g

Instruction document history and download

Version Changes respect to the pr​evious
20200316
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Added information on the O-ring sealing the sensor head and tube in order to reduce the risk of water entering in the cell. Added information of the maintenance and on the need to switch off the sensor for certain operations.
20180810 Better defined the volume where the inlet of the IRGA must be placed respect to the sonic. Clarified that variables related to an external pump, if used, can be collected at lower frequency.
20171020 Changed maximum uncertainty in the calibration gas to 4 ppm; added information about the wind sector to be excluded; clarified the link with the BADM groups for the different info. Clarified and changed the reason and limits for pressure drop in the IRGA cell.
20161116 First version

doi: 10.18160/qwv4-639g


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