RELATION BETWEEN THE SSM/I BRIGHTNESS TEMPERATURE AND DIRECTION OF THE MAXIMUM SURFACE SLOPE IN EAST QUEEN MAUD LAND, ANTARCTICA
We carried out analysis of the microwave brightness temperature of a part of the Antarctic ice sheet using DMSP satellite SSM/I data. The region that we investigated was East Queen Maud Land. The purpose of the study was to investigate the physical process of microwave emission at the surface of the...
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ftnipr:oai:nipr.repo.nii.ac.jp:00003854 2023-05-15T13:49:01+02:00 RELATION BETWEEN THE SSM/I BRIGHTNESS TEMPERATURE AND DIRECTION OF THE MAXIMUM SURFACE SLOPE IN EAST QUEEN MAUD LAND, ANTARCTICA フジタ シュウジ サトウ アヤコ マエ シンジ Shuji FUJITA Ayako SATO Shinji MAE 1994-11 https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3854 http://id.nii.ac.jp/1291/00003854/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3854&item_no=1&attribute_id=18&file_no=1 en eng ABSTRACT Department of Applied Physics, Faculty of Engineering, Hokkaido University National Institute of Polar Research https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3854 http://id.nii.ac.jp/1291/00003854/ AA10756213 Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology, 8, 197(1994-11) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3854&item_no=1&attribute_id=18&file_no=1 Departmental Bulletin Paper P(論文) 1994 ftnipr 2022-12-17T19:45:54Z We carried out analysis of the microwave brightness temperature of a part of the Antarctic ice sheet using DMSP satellite SSM/I data. The region that we investigated was East Queen Maud Land. The purpose of the study was to investigate the physical process of microwave emission at the surface of the Antarctic ice sheet and to extract the physical parameters of the ice sheet surface. We especially investigated the relation between the surface topography of the ice sheet and the brightness temperature using a digital elevation model (DEM). Preliminary results were as follows : 1) Brightness temperature and emissivity tend to be higher when the direction of maximum surface slope faces eastward. In contrast, they tend to be lower when the direction of maximum surface slope faces westward; 2) If we consider that this fact reflects the variation of accumulation rate, the accumulation rate varies on a scale 100-300km in the longitudinal direction. This means that when we consider the surface mass balance, variations on this scale are important. Report Antarc* Antarctic Antarctica Ice Sheet Polar meteorology and glaciology Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology Queen Maud Land National Institute of Polar Research Repository, Japan Antarctic The Antarctic Queen Maud Land ENVELOPE(12.000,12.000,-72.500,-72.500) |
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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 |
We carried out analysis of the microwave brightness temperature of a part of the Antarctic ice sheet using DMSP satellite SSM/I data. The region that we investigated was East Queen Maud Land. The purpose of the study was to investigate the physical process of microwave emission at the surface of the Antarctic ice sheet and to extract the physical parameters of the ice sheet surface. We especially investigated the relation between the surface topography of the ice sheet and the brightness temperature using a digital elevation model (DEM). Preliminary results were as follows : 1) Brightness temperature and emissivity tend to be higher when the direction of maximum surface slope faces eastward. In contrast, they tend to be lower when the direction of maximum surface slope faces westward; 2) If we consider that this fact reflects the variation of accumulation rate, the accumulation rate varies on a scale 100-300km in the longitudinal direction. This means that when we consider the surface mass balance, variations on this scale are important. |
format |
Report |
author |
フジタ シュウジ サトウ アヤコ マエ シンジ Shuji FUJITA Ayako SATO Shinji MAE |
spellingShingle |
フジタ シュウジ サトウ アヤコ マエ シンジ Shuji FUJITA Ayako SATO Shinji MAE RELATION BETWEEN THE SSM/I BRIGHTNESS TEMPERATURE AND DIRECTION OF THE MAXIMUM SURFACE SLOPE IN EAST QUEEN MAUD LAND, ANTARCTICA |
author_facet |
フジタ シュウジ サトウ アヤコ マエ シンジ Shuji FUJITA Ayako SATO Shinji MAE |
author_sort |
フジタ シュウジ |
title |
RELATION BETWEEN THE SSM/I BRIGHTNESS TEMPERATURE AND DIRECTION OF THE MAXIMUM SURFACE SLOPE IN EAST QUEEN MAUD LAND, ANTARCTICA |
title_short |
RELATION BETWEEN THE SSM/I BRIGHTNESS TEMPERATURE AND DIRECTION OF THE MAXIMUM SURFACE SLOPE IN EAST QUEEN MAUD LAND, ANTARCTICA |
title_full |
RELATION BETWEEN THE SSM/I BRIGHTNESS TEMPERATURE AND DIRECTION OF THE MAXIMUM SURFACE SLOPE IN EAST QUEEN MAUD LAND, ANTARCTICA |
title_fullStr |
RELATION BETWEEN THE SSM/I BRIGHTNESS TEMPERATURE AND DIRECTION OF THE MAXIMUM SURFACE SLOPE IN EAST QUEEN MAUD LAND, ANTARCTICA |
title_full_unstemmed |
RELATION BETWEEN THE SSM/I BRIGHTNESS TEMPERATURE AND DIRECTION OF THE MAXIMUM SURFACE SLOPE IN EAST QUEEN MAUD LAND, ANTARCTICA |
title_sort |
relation between the ssm/i brightness temperature and direction of the maximum surface slope in east queen maud land, antarctica |
publisher |
ABSTRACT |
publishDate |
1994 |
url |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3854 http://id.nii.ac.jp/1291/00003854/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3854&item_no=1&attribute_id=18&file_no=1 |
long_lat |
ENVELOPE(12.000,12.000,-72.500,-72.500) |
geographic |
Antarctic The Antarctic Queen Maud Land |
geographic_facet |
Antarctic The Antarctic Queen Maud Land |
genre |
Antarc* Antarctic Antarctica Ice Sheet Polar meteorology and glaciology Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology Queen Maud Land |
genre_facet |
Antarc* Antarctic Antarctica Ice Sheet Polar meteorology and glaciology Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology Queen Maud Land |
op_relation |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3854 http://id.nii.ac.jp/1291/00003854/ AA10756213 Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology, 8, 197(1994-11) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3854&item_no=1&attribute_id=18&file_no=1 |
_version_ |
1766250441166815232 |