Observations of isolated wave-turbulence interactions in the stable atmospheric boundary layer
Turbulence measurements of the stable atmospheric boundary layer made at Halley station in Antarctica are presented. the interaction between small-scale turbulence and larger solitary wave disturbances is investigated. Spectral methods are used to separate the wave and turbulence parts of the flow,...
Published in: | Quarterly Journal of the Royal Meteorological Society |
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Royal Meteorological Society
1997
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Online Access: | http://nora.nerc.ac.uk/id/eprint/514464/ https://doi.org/10.1002/qj.49712353903 |
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ftnerc:oai:nora.nerc.ac.uk:514464 2023-05-15T13:49:33+02:00 Observations of isolated wave-turbulence interactions in the stable atmospheric boundary layer Edwards, N. R. Mobbs, S. D. 1997-04 http://nora.nerc.ac.uk/id/eprint/514464/ https://doi.org/10.1002/qj.49712353903 unknown Royal Meteorological Society Edwards, N. R.; Mobbs, S. D. 1997 Observations of isolated wave-turbulence interactions in the stable atmospheric boundary layer. Quarterly Journal of the Royal Meteorological Society, 123 (539). 561-584. https://doi.org/10.1002/qj.49712353903 <https://doi.org/10.1002/qj.49712353903> Publication - Article PeerReviewed 1997 ftnerc https://doi.org/10.1002/qj.49712353903 2023-02-04T19:43:29Z Turbulence measurements of the stable atmospheric boundary layer made at Halley station in Antarctica are presented. the interaction between small-scale turbulence and larger solitary wave disturbances is investigated. Spectral methods are used to separate the wave and turbulence parts of the flow, and the appropriateness of this approach is discussed. Both individual wave events and an average of 18 wave events are studied. the transport of wave-induced velocity by wave-induced turbulence is found to be mostly upwards, whilst a strong downward turbulent heat flux accompanies each wave. Waves are often found to be associated with a burst of low-level turbulence which occurs later than the perturbation in the mean shear. the effect of the turbulence on the wave is shown to be small, whilst the instantaneous local effect of the wave on the turbulence appears to be approximately linear in the wave amplitude. Comparisons are made between the observations and numerical predictions. These tend to confirm the need for at least second-order closure schemes for the turbulence modelling. Article in Journal/Newspaper Antarc* Antarctica Natural Environment Research Council: NERC Open Research Archive Halley Station ENVELOPE(-26.541,-26.541,-75.581,-75.581) Quarterly Journal of the Royal Meteorological Society 123 539 561 584 |
institution |
Open Polar |
collection |
Natural Environment Research Council: NERC Open Research Archive |
op_collection_id |
ftnerc |
language |
unknown |
description |
Turbulence measurements of the stable atmospheric boundary layer made at Halley station in Antarctica are presented. the interaction between small-scale turbulence and larger solitary wave disturbances is investigated. Spectral methods are used to separate the wave and turbulence parts of the flow, and the appropriateness of this approach is discussed. Both individual wave events and an average of 18 wave events are studied. the transport of wave-induced velocity by wave-induced turbulence is found to be mostly upwards, whilst a strong downward turbulent heat flux accompanies each wave. Waves are often found to be associated with a burst of low-level turbulence which occurs later than the perturbation in the mean shear. the effect of the turbulence on the wave is shown to be small, whilst the instantaneous local effect of the wave on the turbulence appears to be approximately linear in the wave amplitude. Comparisons are made between the observations and numerical predictions. These tend to confirm the need for at least second-order closure schemes for the turbulence modelling. |
format |
Article in Journal/Newspaper |
author |
Edwards, N. R. Mobbs, S. D. |
spellingShingle |
Edwards, N. R. Mobbs, S. D. Observations of isolated wave-turbulence interactions in the stable atmospheric boundary layer |
author_facet |
Edwards, N. R. Mobbs, S. D. |
author_sort |
Edwards, N. R. |
title |
Observations of isolated wave-turbulence interactions in the stable atmospheric boundary layer |
title_short |
Observations of isolated wave-turbulence interactions in the stable atmospheric boundary layer |
title_full |
Observations of isolated wave-turbulence interactions in the stable atmospheric boundary layer |
title_fullStr |
Observations of isolated wave-turbulence interactions in the stable atmospheric boundary layer |
title_full_unstemmed |
Observations of isolated wave-turbulence interactions in the stable atmospheric boundary layer |
title_sort |
observations of isolated wave-turbulence interactions in the stable atmospheric boundary layer |
publisher |
Royal Meteorological Society |
publishDate |
1997 |
url |
http://nora.nerc.ac.uk/id/eprint/514464/ https://doi.org/10.1002/qj.49712353903 |
long_lat |
ENVELOPE(-26.541,-26.541,-75.581,-75.581) |
geographic |
Halley Station |
geographic_facet |
Halley Station |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_relation |
Edwards, N. R.; Mobbs, S. D. 1997 Observations of isolated wave-turbulence interactions in the stable atmospheric boundary layer. Quarterly Journal of the Royal Meteorological Society, 123 (539). 561-584. https://doi.org/10.1002/qj.49712353903 <https://doi.org/10.1002/qj.49712353903> |
op_doi |
https://doi.org/10.1002/qj.49712353903 |
container_title |
Quarterly Journal of the Royal Meteorological Society |
container_volume |
123 |
container_issue |
539 |
container_start_page |
561 |
op_container_end_page |
584 |
_version_ |
1766251548216655872 |