Quantifying the Role of Short-Period Gravity Waves on the Antarctic Mesospheric Dynamics Using an Advanced Mesospheric Temperature Mapper
Abstract: A focused plan is presented to investigate the role and importance of short period (<1 hour) gravity waves on the dynamics of the Antarctic Mesosphere and Lower Thermosphere (MLT) region (~80-100 km). Excited primarily by deep convection, frontal activity, topography, and strong wind sh...
Main Author: | |
---|---|
Format: | Dataset |
Language: | unknown |
Published: |
IEDA: US Antarctic Program Data Center
2011
|
Subjects: | |
Online Access: | http://get.iedadata.org/metadata/iso/600060 |
id |
dataone:http://get.iedadata.org/metadata/iso/600060 |
---|---|
record_format |
openpolar |
spelling |
dataone:http://get.iedadata.org/metadata/iso/600060 2024-06-03T18:46:24+00:00 Quantifying the Role of Short-Period Gravity Waves on the Antarctic Mesospheric Dynamics Using an Advanced Mesospheric Temperature Mapper Taylor, Michael BEGINDATE: 2006-09-01T00:00:00Z ENDDATE: 2011-08-31T00:00:00Z 2011-01-01T00:00:00Z http://get.iedadata.org/metadata/iso/600060 unknown IEDA: US Antarctic Program Data Center Radiosonde Antarctic Astrophysics and Geospace Sciences Meteorology Antarctica Atmosphere South Pole US Antarctic Program Data Center (USAP-DC) Dataset 2011 dataone:urn:node:IEDA_USAP 2024-06-03T18:11:58Z Abstract: A focused plan is presented to investigate the role and importance of short period (<1 hour) gravity waves on the dynamics of the Antarctic Mesosphere and Lower Thermosphere (MLT) region (~80-100 km). Excited primarily by deep convection, frontal activity, topography, and strong wind shears in the lower atmosphere, these waves transport energy and momentum upwards where they have a profound influence on the MLT dynamics. Most of the wave forcing is expected to occur at mid-and low-latitudes where such sources predominate. However, short-period waves (exhibiting similar characteristics to mid-latitude events) have now been detected in copious quantities from research sites on the Antarctic Peninsula and the coastal regions exhibiting strong anisotropy in their dominant horizontal motions (and hence their momentum fluxes). Radiosonde measurements have established the existence of ubiquitous gravity wave activity at South Pole but, to date, there have been no detailed measurements of the properties of short-period waves at MLT heights deep in the Antarctic interior. In particular, the South Pole Station is uniquely situated to investigate the filtering and penetration of these waves into the MLT region, a substantial fraction of which may be ducted waves traveling over vast geographic distances (several thousand km). Novel image measurements at South Pole Station combined with existing measurement programs will provide an unprecedented capability for quantifying the role of these gravity waves on the regional MLT dynamics over central Antarctica. This research also contributes to the training and education of both the graduate and undergraduate students. Dataset Antarc* Antarctic Antarctic Peninsula Antarctica South pole South pole IEDA: US Antarctic Program Data Center (via DataONE) Antarctic The Antarctic Antarctic Peninsula South Pole |
institution |
Open Polar |
collection |
IEDA: US Antarctic Program Data Center (via DataONE) |
op_collection_id |
dataone:urn:node:IEDA_USAP |
language |
unknown |
topic |
Radiosonde Antarctic Astrophysics and Geospace Sciences Meteorology Antarctica Atmosphere South Pole US Antarctic Program Data Center (USAP-DC) |
spellingShingle |
Radiosonde Antarctic Astrophysics and Geospace Sciences Meteorology Antarctica Atmosphere South Pole US Antarctic Program Data Center (USAP-DC) Taylor, Michael Quantifying the Role of Short-Period Gravity Waves on the Antarctic Mesospheric Dynamics Using an Advanced Mesospheric Temperature Mapper |
topic_facet |
Radiosonde Antarctic Astrophysics and Geospace Sciences Meteorology Antarctica Atmosphere South Pole US Antarctic Program Data Center (USAP-DC) |
description |
Abstract: A focused plan is presented to investigate the role and importance of short period (<1 hour) gravity waves on the dynamics of the Antarctic Mesosphere and Lower Thermosphere (MLT) region (~80-100 km). Excited primarily by deep convection, frontal activity, topography, and strong wind shears in the lower atmosphere, these waves transport energy and momentum upwards where they have a profound influence on the MLT dynamics. Most of the wave forcing is expected to occur at mid-and low-latitudes where such sources predominate. However, short-period waves (exhibiting similar characteristics to mid-latitude events) have now been detected in copious quantities from research sites on the Antarctic Peninsula and the coastal regions exhibiting strong anisotropy in their dominant horizontal motions (and hence their momentum fluxes). Radiosonde measurements have established the existence of ubiquitous gravity wave activity at South Pole but, to date, there have been no detailed measurements of the properties of short-period waves at MLT heights deep in the Antarctic interior. In particular, the South Pole Station is uniquely situated to investigate the filtering and penetration of these waves into the MLT region, a substantial fraction of which may be ducted waves traveling over vast geographic distances (several thousand km). Novel image measurements at South Pole Station combined with existing measurement programs will provide an unprecedented capability for quantifying the role of these gravity waves on the regional MLT dynamics over central Antarctica. This research also contributes to the training and education of both the graduate and undergraduate students. |
format |
Dataset |
author |
Taylor, Michael |
author_facet |
Taylor, Michael |
author_sort |
Taylor, Michael |
title |
Quantifying the Role of Short-Period Gravity Waves on the Antarctic Mesospheric Dynamics Using an Advanced Mesospheric Temperature Mapper |
title_short |
Quantifying the Role of Short-Period Gravity Waves on the Antarctic Mesospheric Dynamics Using an Advanced Mesospheric Temperature Mapper |
title_full |
Quantifying the Role of Short-Period Gravity Waves on the Antarctic Mesospheric Dynamics Using an Advanced Mesospheric Temperature Mapper |
title_fullStr |
Quantifying the Role of Short-Period Gravity Waves on the Antarctic Mesospheric Dynamics Using an Advanced Mesospheric Temperature Mapper |
title_full_unstemmed |
Quantifying the Role of Short-Period Gravity Waves on the Antarctic Mesospheric Dynamics Using an Advanced Mesospheric Temperature Mapper |
title_sort |
quantifying the role of short-period gravity waves on the antarctic mesospheric dynamics using an advanced mesospheric temperature mapper |
publisher |
IEDA: US Antarctic Program Data Center |
publishDate |
2011 |
url |
http://get.iedadata.org/metadata/iso/600060 |
op_coverage |
BEGINDATE: 2006-09-01T00:00:00Z ENDDATE: 2011-08-31T00:00:00Z |
geographic |
Antarctic The Antarctic Antarctic Peninsula South Pole |
geographic_facet |
Antarctic The Antarctic Antarctic Peninsula South Pole |
genre |
Antarc* Antarctic Antarctic Peninsula Antarctica South pole South pole |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Antarctica South pole South pole |
_version_ |
1800873369470500864 |