The second Chinese glacier inventory: data, methods and results
The second Chinese glacier inventory was compiled based on 218 Landsat TM/ETM+ scenes acquired mainly during 2006-10. The widely used band ratio segmentation method was applied as the first step in delineating glacier outlines, and then intensive manual improvements were performed. The Shuttle Radar...
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ftchinacadscimhe:oai:ir.imde.ac.cn:131551/10490 2023-05-15T16:57:13+02:00 The second Chinese glacier inventory: data, methods and results Guo, Wanqin Liu, Shiyin Xu, Li Wu, Lizong Shangguan, Donghui Yao, Xiaojun Wei, Junfeng Bao, Weijia Yu, Pengchun Liu, Qiao Jiang, Zongli 2015 http://ir.imde.ac.cn/handle/131551/10490 https://doi.org/10.3189/2015JoG14J209 英语 eng JOURNAL OF GLACIOLOGY Guo, Wanqin,Liu, Shiyin,Xu, Li,et al. The second Chinese glacier inventory: data, methods and results[J]. JOURNAL OF GLACIOLOGY,2015,61(226):357-372. http://ir.imde.ac.cn/handle/131551/10490 doi:10.3189/2015JoG14J209 Debris-covered Glaciers Glacier Delineation Glacier Mapping Mountain Glaciers Remote Sensing Science & Technology Physical Sciences Physical Geography Geology LAND ICE MEASUREMENTS REMOTE-SENSING DATA SEA-LEVEL RISE TIBETAN PLATEAU PATAGONIA ICEFIELD CORDILLERA BLANCA SOUTH-AMERICA GLIMS PROJECT ASTER DATA TM SCENES Geography Physical Geosciences Multidisciplinary Article 期刊论文 2015 ftchinacadscimhe https://doi.org/10.3189/2015JoG14J209 2022-12-19T18:19:12Z The second Chinese glacier inventory was compiled based on 218 Landsat TM/ETM+ scenes acquired mainly during 2006-10. The widely used band ratio segmentation method was applied as the first step in delineating glacier outlines, and then intensive manual improvements were performed. The Shuttle Radar Topography Mission digital elevation model was used to derive altitudinal attributes of glaciers. The boundaries of some glaciers measured by real-time kinematic differential GPS or digitized from high-resolution images were used as references to validate the accuracy of the methods used to delineate glaciers, which resulted in positioning errors of +/- 10 m for manually improved clean-ice outlines and +/- 30 m for manually digitized outlines of debris-covered parts. The glacier area error of the compiled inventory, evaluated using these two positioning accuracies, was +/- 3.2%. The compiled parts of the new inventory have a total area of 43 087 km(2), in which 1723 glaciers were covered by debris, with a total debris-covered area of 1494 km(2). The area of uncompiled glaciers from the digitized first Chinese glacier inventory is similar to 8753 km(2), mainly distributed in the southeastern Tibetan Plateau, where no images of acceptable quality for glacier outline delineation can be found during 2006-10. Article in Journal/Newspaper Journal of Glaciology IMHE OpenIR (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences) Patagonia Journal of Glaciology 61 226 357 372 |
institution |
Open Polar |
collection |
IMHE OpenIR (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences) |
op_collection_id |
ftchinacadscimhe |
language |
English |
topic |
Debris-covered Glaciers Glacier Delineation Glacier Mapping Mountain Glaciers Remote Sensing Science & Technology Physical Sciences Physical Geography Geology LAND ICE MEASUREMENTS REMOTE-SENSING DATA SEA-LEVEL RISE TIBETAN PLATEAU PATAGONIA ICEFIELD CORDILLERA BLANCA SOUTH-AMERICA GLIMS PROJECT ASTER DATA TM SCENES Geography Physical Geosciences Multidisciplinary |
spellingShingle |
Debris-covered Glaciers Glacier Delineation Glacier Mapping Mountain Glaciers Remote Sensing Science & Technology Physical Sciences Physical Geography Geology LAND ICE MEASUREMENTS REMOTE-SENSING DATA SEA-LEVEL RISE TIBETAN PLATEAU PATAGONIA ICEFIELD CORDILLERA BLANCA SOUTH-AMERICA GLIMS PROJECT ASTER DATA TM SCENES Geography Physical Geosciences Multidisciplinary Guo, Wanqin Liu, Shiyin Xu, Li Wu, Lizong Shangguan, Donghui Yao, Xiaojun Wei, Junfeng Bao, Weijia Yu, Pengchun Liu, Qiao Jiang, Zongli The second Chinese glacier inventory: data, methods and results |
topic_facet |
Debris-covered Glaciers Glacier Delineation Glacier Mapping Mountain Glaciers Remote Sensing Science & Technology Physical Sciences Physical Geography Geology LAND ICE MEASUREMENTS REMOTE-SENSING DATA SEA-LEVEL RISE TIBETAN PLATEAU PATAGONIA ICEFIELD CORDILLERA BLANCA SOUTH-AMERICA GLIMS PROJECT ASTER DATA TM SCENES Geography Physical Geosciences Multidisciplinary |
description |
The second Chinese glacier inventory was compiled based on 218 Landsat TM/ETM+ scenes acquired mainly during 2006-10. The widely used band ratio segmentation method was applied as the first step in delineating glacier outlines, and then intensive manual improvements were performed. The Shuttle Radar Topography Mission digital elevation model was used to derive altitudinal attributes of glaciers. The boundaries of some glaciers measured by real-time kinematic differential GPS or digitized from high-resolution images were used as references to validate the accuracy of the methods used to delineate glaciers, which resulted in positioning errors of +/- 10 m for manually improved clean-ice outlines and +/- 30 m for manually digitized outlines of debris-covered parts. The glacier area error of the compiled inventory, evaluated using these two positioning accuracies, was +/- 3.2%. The compiled parts of the new inventory have a total area of 43 087 km(2), in which 1723 glaciers were covered by debris, with a total debris-covered area of 1494 km(2). The area of uncompiled glaciers from the digitized first Chinese glacier inventory is similar to 8753 km(2), mainly distributed in the southeastern Tibetan Plateau, where no images of acceptable quality for glacier outline delineation can be found during 2006-10. |
format |
Article in Journal/Newspaper |
author |
Guo, Wanqin Liu, Shiyin Xu, Li Wu, Lizong Shangguan, Donghui Yao, Xiaojun Wei, Junfeng Bao, Weijia Yu, Pengchun Liu, Qiao Jiang, Zongli |
author_facet |
Guo, Wanqin Liu, Shiyin Xu, Li Wu, Lizong Shangguan, Donghui Yao, Xiaojun Wei, Junfeng Bao, Weijia Yu, Pengchun Liu, Qiao Jiang, Zongli |
author_sort |
Guo, Wanqin |
title |
The second Chinese glacier inventory: data, methods and results |
title_short |
The second Chinese glacier inventory: data, methods and results |
title_full |
The second Chinese glacier inventory: data, methods and results |
title_fullStr |
The second Chinese glacier inventory: data, methods and results |
title_full_unstemmed |
The second Chinese glacier inventory: data, methods and results |
title_sort |
second chinese glacier inventory: data, methods and results |
publishDate |
2015 |
url |
http://ir.imde.ac.cn/handle/131551/10490 https://doi.org/10.3189/2015JoG14J209 |
geographic |
Patagonia |
geographic_facet |
Patagonia |
genre |
Journal of Glaciology |
genre_facet |
Journal of Glaciology |
op_relation |
JOURNAL OF GLACIOLOGY Guo, Wanqin,Liu, Shiyin,Xu, Li,et al. The second Chinese glacier inventory: data, methods and results[J]. JOURNAL OF GLACIOLOGY,2015,61(226):357-372. http://ir.imde.ac.cn/handle/131551/10490 doi:10.3189/2015JoG14J209 |
op_doi |
https://doi.org/10.3189/2015JoG14J209 |
container_title |
Journal of Glaciology |
container_volume |
61 |
container_issue |
226 |
container_start_page |
357 |
op_container_end_page |
372 |
_version_ |
1766048538751401984 |