Comparison of Large Eddy Simulations of a convective boundary layer with wind LIDAR measurements

Jesper Grønnegaard Pedersen; Mark C. Kelly; Sven-Erik Gryning; Rogier Floors; Ekaterina Batchvarova; Alfredo Pena Diaz

doi:10.5194/asr-8-83-2012

Comparison of Large Eddy Simulations of a convective boundary layer with wind LIDAR measurements

Jesper Grønnegaard Pedersen, Mark C. Kelly, Sven-Erik Gryning, Rogier Floors, Ekaterina Batchvarova, Alfredo Pena Diaz

National Institute of Meteorology and Hydrology

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Abstract

Vertical profiles of the horizontal wind speed and of the standard deviation of vertical wind speed from Large Eddy Simulations of a convective atmospheric boundary layer are compared to wind LIDAR measurements up to 1400 m. Fair agreement regarding both types of profiles is observed only when the simulated flow is driven by a both time- and height-dependent geostrophic wind and a time-dependent surface heat flux. This underlines the importance of mesoscale effects when the flow above the atmospheric surface layer is simulated with a computational fluid dynamics model.

Original language	English
Journal	Advances in Science and Research
Volume	8
Pages (from-to)	83-86
ISSN	1992-0628
DOIs	https://doi.org/10.5194/asr-8-83-2012
Publication status	Published - 2012
Event	11th European Meteorological Society Annual Meeting and 10th European Conference on Applications Meteorology - Berlin, Germany Duration: 12 Sept 2011 → 16 Sept 2011 http://meetings.copernicus.org/ems2011/

Conference

Conference	11th European Meteorological Society Annual Meeting and 10th European Conference on Applications Meteorology
Country/Territory	Germany
City	Berlin
Period	12/09/2011 → 16/09/2011
Internet address	http://meetings.copernicus.org/ems2011/

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title = "Comparison of Large Eddy Simulations of a convective boundary layer with wind LIDAR measurements",

abstract = "Vertical profiles of the horizontal wind speed and of the standard deviation of vertical wind speed from Large Eddy Simulations of a convective atmospheric boundary layer are compared to wind LIDAR measurements up to 1400 m. Fair agreement regarding both types of profiles is observed only when the simulated flow is driven by a both time- and height-dependent geostrophic wind and a time-dependent surface heat flux. This underlines the importance of mesoscale effects when the flow above the atmospheric surface layer is simulated with a computational fluid dynamics model.",

author = "Pedersen, {Jesper Gr{\o}nnegaard} and Kelly, {Mark C.} and Sven-Erik Gryning and Rogier Floors and Ekaterina Batchvarova and {Pena Diaz}, Alfredo",

year = "2012",

doi = "10.5194/asr-8-83-2012",

language = "English",

volume = "8",

pages = "83--86",

journal = "Advances in Science and Research",

issn = "1992-0628",

publisher = "Copernicus GmbH",

note = "11th European Meteorological Society Annual Meeting and 10th European Conference on Applications Meteorology, EMS; ECAM ; Conference date: 12-09-2011 Through 16-09-2011",

url = "http://meetings.copernicus.org/ems2011/",

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T1 - Comparison of Large Eddy Simulations of a convective boundary layer with wind LIDAR measurements

AU - Pedersen, Jesper Grønnegaard

AU - Kelly, Mark C.

AU - Gryning, Sven-Erik

AU - Floors, Rogier

AU - Batchvarova, Ekaterina

AU - Pena Diaz, Alfredo

PY - 2012

Y1 - 2012

N2 - Vertical profiles of the horizontal wind speed and of the standard deviation of vertical wind speed from Large Eddy Simulations of a convective atmospheric boundary layer are compared to wind LIDAR measurements up to 1400 m. Fair agreement regarding both types of profiles is observed only when the simulated flow is driven by a both time- and height-dependent geostrophic wind and a time-dependent surface heat flux. This underlines the importance of mesoscale effects when the flow above the atmospheric surface layer is simulated with a computational fluid dynamics model.

AB - Vertical profiles of the horizontal wind speed and of the standard deviation of vertical wind speed from Large Eddy Simulations of a convective atmospheric boundary layer are compared to wind LIDAR measurements up to 1400 m. Fair agreement regarding both types of profiles is observed only when the simulated flow is driven by a both time- and height-dependent geostrophic wind and a time-dependent surface heat flux. This underlines the importance of mesoscale effects when the flow above the atmospheric surface layer is simulated with a computational fluid dynamics model.

U2 - 10.5194/asr-8-83-2012

DO - 10.5194/asr-8-83-2012

M3 - Conference article

SN - 1992-0628

VL - 8

SP - 83

EP - 86

JO - Advances in Science and Research

JF - Advances in Science and Research

T2 - 11th European Meteorological Society Annual Meeting and 10th European Conference on Applications Meteorology

Y2 - 12 September 2011 through 16 September 2011

ER -

Comparison of Large Eddy Simulations of a convective boundary layer with wind LIDAR measurements

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