Unravelling the long-term, locally-heterogenous response of Greenland glaciers observed in archival photography
We present an approach for extracting quantifiable information from archival aerial photographs to extend the temporal record of change over a region of the central eastern Greenland Ice Sheet. The photographs we use were gathered in the 1930s as part of a surveying expedition, and so they were not...
Published in: | The Cryosphere |
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2022
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Online Access: | https://eprints.whiterose.ac.uk/187557/ https://eprints.whiterose.ac.uk/187557/1/LEAPP_Cryosphere.pdf https://eprints.whiterose.ac.uk/187557/7/tc_16_2449_2022.pdf https://doi.org/10.5194/tc-16-2449-2022 |
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ftleedsuniv:oai:eprints.whiterose.ac.uk:187557 2023-05-15T16:27:17+02:00 Unravelling the long-term, locally-heterogenous response of Greenland glaciers observed in archival photography Cooper, Michael Anthony Lewinska, Paulina Barbara Wiktoria Smith, William Alfred Peter Hancock, Edwin R Dowdeswell, Julian Rippin, David 2022-06-23 text https://eprints.whiterose.ac.uk/187557/ https://eprints.whiterose.ac.uk/187557/1/LEAPP_Cryosphere.pdf https://eprints.whiterose.ac.uk/187557/7/tc_16_2449_2022.pdf https://doi.org/10.5194/tc-16-2449-2022 en eng https://eprints.whiterose.ac.uk/187557/1/LEAPP_Cryosphere.pdf https://eprints.whiterose.ac.uk/187557/7/tc_16_2449_2022.pdf Cooper, Michael Anthony orcid.org/0000-0002-4054-6783 , Lewinska, Paulina Barbara Wiktoria, Smith, William Alfred Peter orcid.org/0000-0002-6047-0413 et al. (3 more authors) (2022) Unravelling the long-term, locally-heterogenous response of Greenland glaciers observed in archival photography. The Cryosphere. TC-2021-256. ISSN 1994-0424 cc_by CC-BY Article PeerReviewed 2022 ftleedsuniv https://doi.org/10.5194/tc-16-2449-2022 2023-02-16T23:17:59Z We present an approach for extracting quantifiable information from archival aerial photographs to extend the temporal record of change over a region of the central eastern Greenland Ice Sheet. The photographs we use were gathered in the 1930s as part of a surveying expedition, and so they were not acquired with photogrammetric analysis in mind. Nevertheless, we are able to make opportunistic use of this imagery, as well as additional, novel data-sets, to explore changes at ice margins well before the advent of conventional satellite technology. The insights that a longer record of ice margin change bring is crucial for improving our understanding of how glaciers are responding to the changing climate. In addition, our work focuses on a series of relatively small and little studied outlet glaciers from the eastern margin of the Ice Sheet. We show that whilst air and sea surface temperatures are important controls on the rates at which these ice masses change, there is also significant heterogeneity in their responses, with non-climatic controls (such as the role of bathymetry in front of calving margins) being extremely important. In general, there is often a tendency to focus either on changes of the Greenland Ice Sheet as a whole, or on regional variations. Here, we suggest that even this approach masks important variability, and full understanding of the behaviour and response of the Ice Sheet requires us to consider changes that are taking place at the scale of individual glaciers. Article in Journal/Newspaper Greenland Ice Sheet The Cryosphere White Rose Research Online (Universities of Leeds, Sheffield & York) Greenland The Cryosphere 16 6 2449 2470 |
institution |
Open Polar |
collection |
White Rose Research Online (Universities of Leeds, Sheffield & York) |
op_collection_id |
ftleedsuniv |
language |
English |
description |
We present an approach for extracting quantifiable information from archival aerial photographs to extend the temporal record of change over a region of the central eastern Greenland Ice Sheet. The photographs we use were gathered in the 1930s as part of a surveying expedition, and so they were not acquired with photogrammetric analysis in mind. Nevertheless, we are able to make opportunistic use of this imagery, as well as additional, novel data-sets, to explore changes at ice margins well before the advent of conventional satellite technology. The insights that a longer record of ice margin change bring is crucial for improving our understanding of how glaciers are responding to the changing climate. In addition, our work focuses on a series of relatively small and little studied outlet glaciers from the eastern margin of the Ice Sheet. We show that whilst air and sea surface temperatures are important controls on the rates at which these ice masses change, there is also significant heterogeneity in their responses, with non-climatic controls (such as the role of bathymetry in front of calving margins) being extremely important. In general, there is often a tendency to focus either on changes of the Greenland Ice Sheet as a whole, or on regional variations. Here, we suggest that even this approach masks important variability, and full understanding of the behaviour and response of the Ice Sheet requires us to consider changes that are taking place at the scale of individual glaciers. |
format |
Article in Journal/Newspaper |
author |
Cooper, Michael Anthony Lewinska, Paulina Barbara Wiktoria Smith, William Alfred Peter Hancock, Edwin R Dowdeswell, Julian Rippin, David |
spellingShingle |
Cooper, Michael Anthony Lewinska, Paulina Barbara Wiktoria Smith, William Alfred Peter Hancock, Edwin R Dowdeswell, Julian Rippin, David Unravelling the long-term, locally-heterogenous response of Greenland glaciers observed in archival photography |
author_facet |
Cooper, Michael Anthony Lewinska, Paulina Barbara Wiktoria Smith, William Alfred Peter Hancock, Edwin R Dowdeswell, Julian Rippin, David |
author_sort |
Cooper, Michael Anthony |
title |
Unravelling the long-term, locally-heterogenous response of Greenland glaciers observed in archival photography |
title_short |
Unravelling the long-term, locally-heterogenous response of Greenland glaciers observed in archival photography |
title_full |
Unravelling the long-term, locally-heterogenous response of Greenland glaciers observed in archival photography |
title_fullStr |
Unravelling the long-term, locally-heterogenous response of Greenland glaciers observed in archival photography |
title_full_unstemmed |
Unravelling the long-term, locally-heterogenous response of Greenland glaciers observed in archival photography |
title_sort |
unravelling the long-term, locally-heterogenous response of greenland glaciers observed in archival photography |
publishDate |
2022 |
url |
https://eprints.whiterose.ac.uk/187557/ https://eprints.whiterose.ac.uk/187557/1/LEAPP_Cryosphere.pdf https://eprints.whiterose.ac.uk/187557/7/tc_16_2449_2022.pdf https://doi.org/10.5194/tc-16-2449-2022 |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland Ice Sheet The Cryosphere |
genre_facet |
Greenland Ice Sheet The Cryosphere |
op_relation |
https://eprints.whiterose.ac.uk/187557/1/LEAPP_Cryosphere.pdf https://eprints.whiterose.ac.uk/187557/7/tc_16_2449_2022.pdf Cooper, Michael Anthony orcid.org/0000-0002-4054-6783 , Lewinska, Paulina Barbara Wiktoria, Smith, William Alfred Peter orcid.org/0000-0002-6047-0413 et al. (3 more authors) (2022) Unravelling the long-term, locally-heterogenous response of Greenland glaciers observed in archival photography. The Cryosphere. TC-2021-256. ISSN 1994-0424 |
op_rights |
cc_by |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.5194/tc-16-2449-2022 |
container_title |
The Cryosphere |
container_volume |
16 |
container_issue |
6 |
container_start_page |
2449 |
op_container_end_page |
2470 |
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1766016418931802112 |