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Technical Note: Possible errors in flux measurements due to limited digitalization

Title data

Foken, Thomas ; Babel, Wolfgang ; Thomas, Christoph:
Technical Note: Possible errors in flux measurements due to limited digitalization.
In: Atmospheric Measurement Techniques Discussions. (22 June 2018) . - 9 S..
ISSN 1867-8610
DOI: https://doi.org/10.5194/amt-2018-150

Official URL: Volltext

Abstract in another language

Recently reported trends of carbon dioxide uptakes pose the question if trends may results of the digitalization of gas analysers and sonic anemometers used in the 1990s. Simulating a 12 -bit digitalization and the instrument error reported for the R2 and R3 sonic anemometers elsewhere, the influence of these deficits in comparison to the 16 -bit digita lization were quantified. Both issues have an effect only on trace gas fluxes of small magnitude, mainly for the carbon rather than for the water vapour fluxes. The influence on the annual net ecosystem exchange is negligi ble , because, errors resulting fr om the gap filling are much larger.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER146907
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professorship Micrometeorology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Former Professors > Professorship Micrometeorology - Univ.-Prof. Dr. Thomas Foken
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professorship Micrometeorology > Professorship Micrometeorology - Univ.-Prof. Dr. Christoph K. Thomas
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 26 Mar 2019 07:36
Last Modified: 26 Mar 2019 07:36
URI: https://eref.uni-bayreuth.de/id/eprint/48169