Importance of the Webb, Pearman, and Leuning (WPL) correction for the measurement of small CO2 fluxes
The WPL (Webb, Pearman, and Leuning) correction is fully accepted to correct trace gas fluxes like CO2 for density fluctuations due to water vapour and temperature fluctuations for open-path gas analysers. It is known that this additive correction can be on the order of magnitude of the actual flux....
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ftnonlinearchiv:oai:noa.gwlb.de:cop_mods_00058871 2023-05-15T15:02:54+02:00 Importance of the Webb, Pearman, and Leuning (WPL) correction for the measurement of small CO2 fluxes Jentzsch, Katharina Boike, Julia Foken, Thomas 2021-11 electronic https://doi.org/10.5194/amt-14-7291-2021 https://noa.gwlb.de/receive/cop_mods_00058871 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00058492/amt-14-7291-2021.pdf https://amt.copernicus.org/articles/14/7291/2021/amt-14-7291-2021.pdf eng eng Copernicus Publications Atmospheric Measurement Techniques -- http://www.bibliothek.uni-regensburg.de/ezeit/?2505596 -- http://www.atmospheric-measurement-techniques.net/ -- 1867-8548 https://doi.org/10.5194/amt-14-7291-2021 https://noa.gwlb.de/receive/cop_mods_00058871 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00058492/amt-14-7291-2021.pdf https://amt.copernicus.org/articles/14/7291/2021/amt-14-7291-2021.pdf https://creativecommons.org/licenses/by/4.0/ uneingeschränkt info:eu-repo/semantics/openAccess CC-BY article Verlagsveröffentlichung article Text doc-type:article 2021 ftnonlinearchiv https://doi.org/10.5194/amt-14-7291-2021 2022-02-08T22:32:52Z The WPL (Webb, Pearman, and Leuning) correction is fully accepted to correct trace gas fluxes like CO2 for density fluctuations due to water vapour and temperature fluctuations for open-path gas analysers. It is known that this additive correction can be on the order of magnitude of the actual flux. However, this is hardly ever included in the analysis of data quality. An example from the Arctic shows the problems, because the size of the correction is a multiple of the actual flux. As a general result, we examined and tabulated the magnitude of the WPL correction for carbon dioxide flux as a function of sensible and latent heat flux. Furthermore, we propose a parameter to better estimate possible deficits in data quality and recommend integrating the quality flag derived with this parameter into the general study of small carbon dioxide fluxes. Article in Journal/Newspaper Arctic Niedersächsisches Online-Archiv NOA Arctic Webb ENVELOPE(146.867,146.867,-67.867,-67.867) Atmospheric Measurement Techniques 14 11 7291 7296 |
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article Verlagsveröffentlichung |
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article Verlagsveröffentlichung Jentzsch, Katharina Boike, Julia Foken, Thomas Importance of the Webb, Pearman, and Leuning (WPL) correction for the measurement of small CO2 fluxes |
topic_facet |
article Verlagsveröffentlichung |
description |
The WPL (Webb, Pearman, and Leuning) correction is fully accepted to correct trace gas fluxes like CO2 for density fluctuations due to water vapour and temperature fluctuations for open-path gas analysers. It is known that this additive correction can be on the order of magnitude of the actual flux. However, this is hardly ever included in the analysis of data quality. An example from the Arctic shows the problems, because the size of the correction is a multiple of the actual flux. As a general result, we examined and tabulated the magnitude of the WPL correction for carbon dioxide flux as a function of sensible and latent heat flux. Furthermore, we propose a parameter to better estimate possible deficits in data quality and recommend integrating the quality flag derived with this parameter into the general study of small carbon dioxide fluxes. |
format |
Article in Journal/Newspaper |
author |
Jentzsch, Katharina Boike, Julia Foken, Thomas |
author_facet |
Jentzsch, Katharina Boike, Julia Foken, Thomas |
author_sort |
Jentzsch, Katharina |
title |
Importance of the Webb, Pearman, and Leuning (WPL) correction for the measurement of small CO2 fluxes |
title_short |
Importance of the Webb, Pearman, and Leuning (WPL) correction for the measurement of small CO2 fluxes |
title_full |
Importance of the Webb, Pearman, and Leuning (WPL) correction for the measurement of small CO2 fluxes |
title_fullStr |
Importance of the Webb, Pearman, and Leuning (WPL) correction for the measurement of small CO2 fluxes |
title_full_unstemmed |
Importance of the Webb, Pearman, and Leuning (WPL) correction for the measurement of small CO2 fluxes |
title_sort |
importance of the webb, pearman, and leuning (wpl) correction for the measurement of small co2 fluxes |
publisher |
Copernicus Publications |
publishDate |
2021 |
url |
https://doi.org/10.5194/amt-14-7291-2021 https://noa.gwlb.de/receive/cop_mods_00058871 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00058492/amt-14-7291-2021.pdf https://amt.copernicus.org/articles/14/7291/2021/amt-14-7291-2021.pdf |
long_lat |
ENVELOPE(146.867,146.867,-67.867,-67.867) |
geographic |
Arctic Webb |
geographic_facet |
Arctic Webb |
genre |
Arctic |
genre_facet |
Arctic |
op_relation |
Atmospheric Measurement Techniques -- http://www.bibliothek.uni-regensburg.de/ezeit/?2505596 -- http://www.atmospheric-measurement-techniques.net/ -- 1867-8548 https://doi.org/10.5194/amt-14-7291-2021 https://noa.gwlb.de/receive/cop_mods_00058871 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00058492/amt-14-7291-2021.pdf https://amt.copernicus.org/articles/14/7291/2021/amt-14-7291-2021.pdf |
op_rights |
https://creativecommons.org/licenses/by/4.0/ uneingeschränkt info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.5194/amt-14-7291-2021 |
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Atmospheric Measurement Techniques |
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11 |
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7296 |
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