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Quality control of CarboEurope flux data. Part 2: Inter-comparison of eddy-covariance software

Title data

Mauder, Matthias ; Foken, Thomas ; Clement, Robert ; Elbers, Jan A. ; Eugster, Werner ; Grünwald, Thomas ; Heusinkveld, B. ; Kolle, Olaf:
Quality control of CarboEurope flux data. Part 2: Inter-comparison of eddy-covariance software.
In: Biogeosciences Discussions. Vol. 4 (November 2007) . - pp. 4067-4099.
ISSN 1810-6285
DOI: https://doi.org/10.5194/bgd-4-4067-2007

Abstract in another language

As part of the quality assurance and quality control activities within the CarboEurope-IP network, a comparison of eddy-covariance software was conducted. For four fiveday datasets, CO2 flux estimates were calculated by seven commonly used software day packages to assess the uncertainty of CO2 flux estimates due to dierences in postprocessing. The datasets originated from diverent sites representing dierent com- commonlyapplied instrumentation and dierent canopy structures to cover a wide range monly of realistic conditions. Data preparation, coordinate rotation and the implementation of the correction for high frequency spectral losses were identified as crucial processing steps leading to significant discrepancies in the CO2 flux results. The overall comparison indicated a good although not yet perfect agreement among the dierent software within 5–10% dierence for 30-min CO2 flux values. Conceptually dierent ideas aboutthe selection and application of processing steps were a main reason for the diverences in the CO2 flux estimates observed. A balance should be aspired between scientific freedom on the one hand, in order to advance methodical issues, and standardisation of procedures on the other hand, in order to obtain comparable fluxes for multi-site synthesis studies.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER55291
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Former Professors > Professorship Micrometeorology - Univ.-Prof. Dr. Thomas Foken
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Former Professors
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 11 Sep 2015 06:33
Last Modified: 12 Apr 2016 12:29
URI: https://eref.uni-bayreuth.de/id/eprint/19114