Accelerated Glacier Mass Loss over Svalbard Derived from ICESat-2 in 2019–2021
The glaciers in Arctic Archipelago of Svalbard, located in the hotspot of global warming, are sensitive to climate change. The assessment of glacier mass balance in Svalbard is one of the hotspots in Arctic research. In this study, we use the laser altimetry ICESat-2 data to investigate the elevatio...
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ftdoajarticles:oai:doaj.org/article:fb9b5f53d0504f4eb21105881d9257a6 2023-05-15T14:28:51+02:00 Accelerated Glacier Mass Loss over Svalbard Derived from ICESat-2 in 2019–2021 Junhao Wang Yuande Yang Chuya Wang Leiyu Li 2022-08-01T00:00:00Z https://doi.org/10.3390/atmos13081255 https://doaj.org/article/fb9b5f53d0504f4eb21105881d9257a6 EN eng MDPI AG https://www.mdpi.com/2073-4433/13/8/1255 https://doaj.org/toc/2073-4433 doi:10.3390/atmos13081255 2073-4433 https://doaj.org/article/fb9b5f53d0504f4eb21105881d9257a6 Atmosphere, Vol 13, Iss 1255, p 1255 (2022) Svalbard ICESat-2 satellite altimetry elevation change mass change Meteorology. Climatology QC851-999 article 2022 ftdoajarticles https://doi.org/10.3390/atmos13081255 2022-12-30T20:43:45Z The glaciers in Arctic Archipelago of Svalbard, located in the hotspot of global warming, are sensitive to climate change. The assessment of glacier mass balance in Svalbard is one of the hotspots in Arctic research. In this study, we use the laser altimetry ICESat-2 data to investigate the elevation and mass change of Svalbard from 2019 to 2021 by a hypsometric approach. It is shown that the Svalbard-wide elevation change rate is −0.775 ± 0.225 m yr −1 in 2019–2021, corresponding to the mass change of −14.843 ± 4.024 Gt yr −1 . All regions exhibit a negative mass balance, and the highest mass loss rates are observed at Northwestern Spitsbergen. Compared with ICESat/ICESat-2 (2003–2008 to 2019) and Cryosat-2 (2011–2017) periods, the elevation change from 2019 to 2021 has accelerated, with an increase by 158.3% and 31.5%, respectively, leading to equilibrium line altitude increasing to 750 m. Among the seven subregions, four are accelerated. It is shown that the overall accelerated glacier mass loss in Svalbard is expected to be caused by increasing surge events and temperature rise. Article in Journal/Newspaper Arctic Archipelago Arctic Climate change glacier Global warming Svalbard Spitsbergen Directory of Open Access Journals: DOAJ Articles Arctic Svalbard Atmosphere 13 8 1255 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Svalbard ICESat-2 satellite altimetry elevation change mass change Meteorology. Climatology QC851-999 |
spellingShingle |
Svalbard ICESat-2 satellite altimetry elevation change mass change Meteorology. Climatology QC851-999 Junhao Wang Yuande Yang Chuya Wang Leiyu Li Accelerated Glacier Mass Loss over Svalbard Derived from ICESat-2 in 2019–2021 |
topic_facet |
Svalbard ICESat-2 satellite altimetry elevation change mass change Meteorology. Climatology QC851-999 |
description |
The glaciers in Arctic Archipelago of Svalbard, located in the hotspot of global warming, are sensitive to climate change. The assessment of glacier mass balance in Svalbard is one of the hotspots in Arctic research. In this study, we use the laser altimetry ICESat-2 data to investigate the elevation and mass change of Svalbard from 2019 to 2021 by a hypsometric approach. It is shown that the Svalbard-wide elevation change rate is −0.775 ± 0.225 m yr −1 in 2019–2021, corresponding to the mass change of −14.843 ± 4.024 Gt yr −1 . All regions exhibit a negative mass balance, and the highest mass loss rates are observed at Northwestern Spitsbergen. Compared with ICESat/ICESat-2 (2003–2008 to 2019) and Cryosat-2 (2011–2017) periods, the elevation change from 2019 to 2021 has accelerated, with an increase by 158.3% and 31.5%, respectively, leading to equilibrium line altitude increasing to 750 m. Among the seven subregions, four are accelerated. It is shown that the overall accelerated glacier mass loss in Svalbard is expected to be caused by increasing surge events and temperature rise. |
format |
Article in Journal/Newspaper |
author |
Junhao Wang Yuande Yang Chuya Wang Leiyu Li |
author_facet |
Junhao Wang Yuande Yang Chuya Wang Leiyu Li |
author_sort |
Junhao Wang |
title |
Accelerated Glacier Mass Loss over Svalbard Derived from ICESat-2 in 2019–2021 |
title_short |
Accelerated Glacier Mass Loss over Svalbard Derived from ICESat-2 in 2019–2021 |
title_full |
Accelerated Glacier Mass Loss over Svalbard Derived from ICESat-2 in 2019–2021 |
title_fullStr |
Accelerated Glacier Mass Loss over Svalbard Derived from ICESat-2 in 2019–2021 |
title_full_unstemmed |
Accelerated Glacier Mass Loss over Svalbard Derived from ICESat-2 in 2019–2021 |
title_sort |
accelerated glacier mass loss over svalbard derived from icesat-2 in 2019–2021 |
publisher |
MDPI AG |
publishDate |
2022 |
url |
https://doi.org/10.3390/atmos13081255 https://doaj.org/article/fb9b5f53d0504f4eb21105881d9257a6 |
geographic |
Arctic Svalbard |
geographic_facet |
Arctic Svalbard |
genre |
Arctic Archipelago Arctic Climate change glacier Global warming Svalbard Spitsbergen |
genre_facet |
Arctic Archipelago Arctic Climate change glacier Global warming Svalbard Spitsbergen |
op_source |
Atmosphere, Vol 13, Iss 1255, p 1255 (2022) |
op_relation |
https://www.mdpi.com/2073-4433/13/8/1255 https://doaj.org/toc/2073-4433 doi:10.3390/atmos13081255 2073-4433 https://doaj.org/article/fb9b5f53d0504f4eb21105881d9257a6 |
op_doi |
https://doi.org/10.3390/atmos13081255 |
container_title |
Atmosphere |
container_volume |
13 |
container_issue |
8 |
container_start_page |
1255 |
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1766302998203465728 |