ICE FLOW VELOCITY MAPPING OF EAST ANTARCTICA FROM 1963 TO 1989
Long-time serial observation of surface ice flow velocity in Antarctic is a crucial component in estimating the mass balance of Antarctic ice sheet. However, there is a lack of historical continental scale velocity maps of Antarctica before the 1990s. Historical optical images such as ARGON and Land...
Published in: | The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences |
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Online Access: | https://doi.org/10.5194/isprs-archives-XLII-2-W13-1735-2019 https://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XLII-2-W13/1735/2019/ |
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ftcopernicus:oai:publications.copernicus.org:isprs-archives77338 2023-05-15T13:35:06+02:00 ICE FLOW VELOCITY MAPPING OF EAST ANTARCTICA FROM 1963 TO 1989 Cheng, Y. Li, X. Qiao, G. Ye, W. Huang, Y. Li, Y. Wang, K. Tian, Y. Tong, X. Li, R. 2019-06-06 application/pdf https://doi.org/10.5194/isprs-archives-XLII-2-W13-1735-2019 https://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XLII-2-W13/1735/2019/ eng eng doi:10.5194/isprs-archives-XLII-2-W13-1735-2019 https://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XLII-2-W13/1735/2019/ eISSN: 2194-9034 Text 2019 ftcopernicus https://doi.org/10.5194/isprs-archives-XLII-2-W13-1735-2019 2019-12-24T09:49:04Z Long-time serial observation of surface ice flow velocity in Antarctic is a crucial component in estimating the mass balance of Antarctic ice sheet. However, there is a lack of historical continental scale velocity maps of Antarctica before the 1990s. Historical optical images such as ARGON and Landsat images before 1990s are difficult to be used for ice flow velocity mapping, due to the fact that they are mostly not strictly geo-processed (e.g., ortho-rectified) and the image quality is lower than those of recent sensors. This paper presents a systematic framework for developing a surface velocity map of East Antarctica from 1963 to 1989 based on historical ARGON and Landsat images, followed by analysis of spatial-temporal changes of the ice flow velocity in some major glaciers, as well as the dynamic changes. The preliminary comparison with existing products suggests that the glaciers in Wilkes Land experienced an increasing trend with obvious fluctuations during the past ∼50 years, while the glaciers near Transantarctic Mountains tended to be stable or slightly fluctuating to a certain degree. Text Antarc* Antarctic Antarctica East Antarctica Ice Sheet Wilkes Land Copernicus Publications: E-Journals Antarctic East Antarctica Transantarctic Mountains Wilkes Land ENVELOPE(120.000,120.000,-69.000,-69.000) The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-2/W13 1735 1739 |
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Open Polar |
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Copernicus Publications: E-Journals |
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ftcopernicus |
language |
English |
description |
Long-time serial observation of surface ice flow velocity in Antarctic is a crucial component in estimating the mass balance of Antarctic ice sheet. However, there is a lack of historical continental scale velocity maps of Antarctica before the 1990s. Historical optical images such as ARGON and Landsat images before 1990s are difficult to be used for ice flow velocity mapping, due to the fact that they are mostly not strictly geo-processed (e.g., ortho-rectified) and the image quality is lower than those of recent sensors. This paper presents a systematic framework for developing a surface velocity map of East Antarctica from 1963 to 1989 based on historical ARGON and Landsat images, followed by analysis of spatial-temporal changes of the ice flow velocity in some major glaciers, as well as the dynamic changes. The preliminary comparison with existing products suggests that the glaciers in Wilkes Land experienced an increasing trend with obvious fluctuations during the past ∼50 years, while the glaciers near Transantarctic Mountains tended to be stable or slightly fluctuating to a certain degree. |
format |
Text |
author |
Cheng, Y. Li, X. Qiao, G. Ye, W. Huang, Y. Li, Y. Wang, K. Tian, Y. Tong, X. Li, R. |
spellingShingle |
Cheng, Y. Li, X. Qiao, G. Ye, W. Huang, Y. Li, Y. Wang, K. Tian, Y. Tong, X. Li, R. ICE FLOW VELOCITY MAPPING OF EAST ANTARCTICA FROM 1963 TO 1989 |
author_facet |
Cheng, Y. Li, X. Qiao, G. Ye, W. Huang, Y. Li, Y. Wang, K. Tian, Y. Tong, X. Li, R. |
author_sort |
Cheng, Y. |
title |
ICE FLOW VELOCITY MAPPING OF EAST ANTARCTICA FROM 1963 TO 1989 |
title_short |
ICE FLOW VELOCITY MAPPING OF EAST ANTARCTICA FROM 1963 TO 1989 |
title_full |
ICE FLOW VELOCITY MAPPING OF EAST ANTARCTICA FROM 1963 TO 1989 |
title_fullStr |
ICE FLOW VELOCITY MAPPING OF EAST ANTARCTICA FROM 1963 TO 1989 |
title_full_unstemmed |
ICE FLOW VELOCITY MAPPING OF EAST ANTARCTICA FROM 1963 TO 1989 |
title_sort |
ice flow velocity mapping of east antarctica from 1963 to 1989 |
publishDate |
2019 |
url |
https://doi.org/10.5194/isprs-archives-XLII-2-W13-1735-2019 https://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XLII-2-W13/1735/2019/ |
long_lat |
ENVELOPE(120.000,120.000,-69.000,-69.000) |
geographic |
Antarctic East Antarctica Transantarctic Mountains Wilkes Land |
geographic_facet |
Antarctic East Antarctica Transantarctic Mountains Wilkes Land |
genre |
Antarc* Antarctic Antarctica East Antarctica Ice Sheet Wilkes Land |
genre_facet |
Antarc* Antarctic Antarctica East Antarctica Ice Sheet Wilkes Land |
op_source |
eISSN: 2194-9034 |
op_relation |
doi:10.5194/isprs-archives-XLII-2-W13-1735-2019 https://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XLII-2-W13/1735/2019/ |
op_doi |
https://doi.org/10.5194/isprs-archives-XLII-2-W13-1735-2019 |
container_title |
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences |
container_volume |
XLII-2/W13 |
container_start_page |
1735 |
op_container_end_page |
1739 |
_version_ |
1766060865095729152 |