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

Titelangaben

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. Bd. 5 (März 2008) Heft 2 . - S. 451-462.
ISSN 1726-4189
DOI: https://doi.org/10.5194/bg-5-451-2008

Abstract

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 five-day datasets, CO2 flux estimates were calculated by seven commonly used software packages to assess the uncertainty of CO2 flux estimates due to differences in post-processing. The datasets originated from different sites representing different commonly applied instrumentation and different canopy structures to cover a wide range 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 different software within 5–10% difference for 30-min CO2 flux values. Conceptually different ideas about the selection and application of processing steps were a main reason for the differences 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.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Zusätzliche Informationen: BAYCEER59714
Institutionen der Universität: Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Ehemalige Professoren > Professur Mikrometeorologie - Univ.-Prof. Dr. Thomas Foken
Forschungseinrichtungen > Forschungszentren > Bayreuther Zentrum für Ökologie und Umweltforschung - BayCEER
Fakultäten
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Ehemalige Professoren
Forschungseinrichtungen
Forschungseinrichtungen > Forschungszentren
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik
Eingestellt am: 31 Aug 2015 05:50
Letzte Änderung: 12 Apr 2016 12:28
URI: https://eref.uni-bayreuth.de/id/eprint/18855