Summer precipitation onto the South Polar Plateau
A study was made of ice crystal precipitation in austral summer 1978-1979 at the South Pole from analyses of data of meteorological observations, in which low-level micrometeorological elements were measured by conventional apparatus and high-altitude elements were measured by radiosondes. The resul...
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Applied Meteorological Engineering and Consulting Servises, Co.
1984
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ftnipr:oai:nipr.repo.nii.ac.jp:00001672 2023-05-15T13:47:59+02:00 Summer precipitation onto the South Polar Plateau Masayuki Inoue Takeshi Ohtake Gorow Wakahama 1984-12 https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=1672 http://id.nii.ac.jp/1291/00001672/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=1672&item_no=1&attribute_id=18&file_no=1 en eng Applied Meteorological Engineering and Consulting Servises, Co. Geophysical Institute, University of Alaska The Institute of Low Temperature Science, Hokkaido University https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=1672 http://id.nii.ac.jp/1291/00001672/ AA00733561 Memoirs of National Institute of Polar Research. Special issue, 34, 70-86(1984-12) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=1672&item_no=1&attribute_id=18&file_no=1 Departmental Bulletin Paper P(論文) 1984 ftnipr 2022-11-12T19:42:29Z A study was made of ice crystal precipitation in austral summer 1978-1979 at the South Pole from analyses of data of meteorological observations, in which low-level micrometeorological elements were measured by conventional apparatus and high-altitude elements were measured by radiosondes. The result shows that ice crystal precipitation can be classified into "clear sky precipitation" and precipitation from clouds. The latter plays a dominant role in net accumulation of snow at and near the South Pole. In this case moist air masses move inland in advective flow along the surface of Antarctica from the Weddell and Ross Seas and cool down to form stratus-type clouds from which ice crystals fall at the South Pole. The former, on the other hand, presents an interesting phenomenon, as ice crystal precipitation falls from a clear sky. This study has disclosed that it originates in a layer which is supersaturated with respect to ice, located slightly above the ground surface, and too thin to be identified as a stratus cloud. It will be sufficient to consider that the former represents a short-life transition from the absence of precipitation from a clear sky to precipitation from clouds and v.v.; hence, it cannot play an important role in net accumulation of snow there. Report Antarc* Antarctica Memoirs of National Institute of Polar Research Polar Research South pole South pole National Institute of Polar Research Repository, Japan Austral Weddell South Pole Polar Plateau ENVELOPE(0.000,0.000,-90.000,-90.000) South Polar Plateau ENVELOPE(0.000,0.000,-90.000,-90.000) |
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Open Polar |
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National Institute of Polar Research Repository, Japan |
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ftnipr |
language |
English |
description |
A study was made of ice crystal precipitation in austral summer 1978-1979 at the South Pole from analyses of data of meteorological observations, in which low-level micrometeorological elements were measured by conventional apparatus and high-altitude elements were measured by radiosondes. The result shows that ice crystal precipitation can be classified into "clear sky precipitation" and precipitation from clouds. The latter plays a dominant role in net accumulation of snow at and near the South Pole. In this case moist air masses move inland in advective flow along the surface of Antarctica from the Weddell and Ross Seas and cool down to form stratus-type clouds from which ice crystals fall at the South Pole. The former, on the other hand, presents an interesting phenomenon, as ice crystal precipitation falls from a clear sky. This study has disclosed that it originates in a layer which is supersaturated with respect to ice, located slightly above the ground surface, and too thin to be identified as a stratus cloud. It will be sufficient to consider that the former represents a short-life transition from the absence of precipitation from a clear sky to precipitation from clouds and v.v.; hence, it cannot play an important role in net accumulation of snow there. |
format |
Report |
author |
Masayuki Inoue Takeshi Ohtake Gorow Wakahama |
spellingShingle |
Masayuki Inoue Takeshi Ohtake Gorow Wakahama Summer precipitation onto the South Polar Plateau |
author_facet |
Masayuki Inoue Takeshi Ohtake Gorow Wakahama |
author_sort |
Masayuki Inoue |
title |
Summer precipitation onto the South Polar Plateau |
title_short |
Summer precipitation onto the South Polar Plateau |
title_full |
Summer precipitation onto the South Polar Plateau |
title_fullStr |
Summer precipitation onto the South Polar Plateau |
title_full_unstemmed |
Summer precipitation onto the South Polar Plateau |
title_sort |
summer precipitation onto the south polar plateau |
publisher |
Applied Meteorological Engineering and Consulting Servises, Co. |
publishDate |
1984 |
url |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=1672 http://id.nii.ac.jp/1291/00001672/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=1672&item_no=1&attribute_id=18&file_no=1 |
long_lat |
ENVELOPE(0.000,0.000,-90.000,-90.000) ENVELOPE(0.000,0.000,-90.000,-90.000) |
geographic |
Austral Weddell South Pole Polar Plateau South Polar Plateau |
geographic_facet |
Austral Weddell South Pole Polar Plateau South Polar Plateau |
genre |
Antarc* Antarctica Memoirs of National Institute of Polar Research Polar Research South pole South pole |
genre_facet |
Antarc* Antarctica Memoirs of National Institute of Polar Research Polar Research South pole South pole |
op_relation |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=1672 http://id.nii.ac.jp/1291/00001672/ AA00733561 Memoirs of National Institute of Polar Research. Special issue, 34, 70-86(1984-12) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=1672&item_no=1&attribute_id=18&file_no=1 |
_version_ |
1766248300175949824 |