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Some aspects of the energy balance closure problem

Title data

Foken, Thomas ; Wimmer, Florian ; Mauder, Matthias ; Thomas, Christoph ; Liebethal, Claudia:
Some aspects of the energy balance closure problem.
In: Atmospheric Chemistry and Physics. Vol. 6 (2006) . - pp. 4395-4402.
ISSN 1680-7324
DOI: https://doi.org/10.5194/acp-6-4395-2006

Abstract in another language

After briefly discussing several reasons for the energy balance closure problem in the surface layer, the paper focuses on the influence of the low frequency part of the turbulence spectrum on the residual. Changes in the turbulent fluxes in this part of the turbulence spectrum were found to have a significant influence on the changes of the residual. Using the ogive method, it was found that the eddy-covariance method underestimates turbulent fluxes in the case of ogives converging for measuring times longer than the typical averaging interval of 30 minutes. Additionally, the eddy-covariance method underestimates turbulent fluxes for maximal ogive functions within the averaging interval, both mainly due to advection and non-steady state conditions. This has a considerable influence on the use of the eddy-covariance method.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER40802
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professorship Micrometeorology
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professorship Micrometeorology > Professorship Micrometeorology - Univ.-Prof. Dr. Christoph K. Thomas
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 24 Apr 2015 11:56
Last Modified: 18 Apr 2018 02:48
URI: https://eref.uni-bayreuth.de/id/eprint/11446