Field testing two flux footprint models

<p>A field study was undertaken to investigate the accuracy of two micrometeorological flux footprint models for calculating the gas emission rate from a synthetic 10 <span class="inline-formula">×</span> 10 m surface area source, based on the vertical flux of gas measure...

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Autores principales:	T. W. Coates, M. Alam, T. K. Flesch, G. Hernandez-Ramirez
Formato:	article
Lenguaje:	EN
Publicado:	Copernicus Publications 2021
Materias:	Environmental engineering TA170-171 Earthwork. Foundations TA715-787
Acceso en línea:	https://doaj.org/article/a9fc8dd679bc4cde9648e94518eb0c3c
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spelling	oai:doaj.org-article:a9fc8dd679bc4cde9648e94518eb0c3c2021-11-12T13:32:32ZField testing two flux footprint models10.5194/amt-14-7147-20211867-13811867-8548https://doaj.org/article/a9fc8dd679bc4cde9648e94518eb0c3c2021-11-01T00:00:00Zhttps://amt.copernicus.org/articles/14/7147/2021/amt-14-7147-2021.pdfhttps://doaj.org/toc/1867-1381https://doaj.org/toc/1867-8548<p>A field study was undertaken to investigate the accuracy of two micrometeorological flux footprint models for calculating the gas emission rate from a synthetic 10 <span class="inline-formula">×</span> 10 m surface area source, based on the vertical flux of gas measured at fetches of 15 to 50 m downwind of the source. Calculations were made with an easy-to-use tool based on the Kormann–Meixner analytical model and with a more sophisticated Lagrangian stochastic dispersion model. A total of 59 testable 10 min observation periods were measured over 9 d. On average, both models underestimated the actual release rate by approximately 30 %, mostly due to large underestimates at the larger fetches. The accuracy of the model calculations had large period-to-period variability, and no statistical differences were observed between the two models in terms of overall accuracy.</p>T. W. CoatesM. AlamT. K. FleschG. Hernandez-RamirezCopernicus PublicationsarticleEnvironmental engineeringTA170-171Earthwork. FoundationsTA715-787ENAtmospheric Measurement Techniques, Vol 14, Pp 7147-7152 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Environmental engineering TA170-171 Earthwork. Foundations TA715-787
spellingShingle	Environmental engineering TA170-171 Earthwork. Foundations TA715-787 T. W. Coates M. Alam T. K. Flesch G. Hernandez-Ramirez Field testing two flux footprint models
description	<p>A field study was undertaken to investigate the accuracy of two micrometeorological flux footprint models for calculating the gas emission rate from a synthetic 10 <span class="inline-formula">×</span> 10 m surface area source, based on the vertical flux of gas measured at fetches of 15 to 50 m downwind of the source. Calculations were made with an easy-to-use tool based on the Kormann–Meixner analytical model and with a more sophisticated Lagrangian stochastic dispersion model. A total of 59 testable 10 min observation periods were measured over 9 d. On average, both models underestimated the actual release rate by approximately 30 %, mostly due to large underestimates at the larger fetches. The accuracy of the model calculations had large period-to-period variability, and no statistical differences were observed between the two models in terms of overall accuracy.</p>
format	article
author	T. W. Coates M. Alam T. K. Flesch G. Hernandez-Ramirez
author_facet	T. W. Coates M. Alam T. K. Flesch G. Hernandez-Ramirez
author_sort	T. W. Coates
title	Field testing two flux footprint models
title_short	Field testing two flux footprint models
title_full	Field testing two flux footprint models
title_fullStr	Field testing two flux footprint models
title_full_unstemmed	Field testing two flux footprint models
title_sort	field testing two flux footprint models
publisher	Copernicus Publications
publishDate	2021
url	https://doaj.org/article/a9fc8dd679bc4cde9648e94518eb0c3c
work_keys_str_mv	AT twcoates fieldtestingtwofluxfootprintmodels AT malam fieldtestingtwofluxfootprintmodels AT tkflesch fieldtestingtwofluxfootprintmodels AT ghernandezramirez fieldtestingtwofluxfootprintmodels
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Field testing two flux footprint models

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