Lake Ice Break-Up across Peripheral Greenland (2017-2021) from Sentinel-1 SAR
Dataset from Posch, C., Abermann, J., and Silva, T.: Lake ice break-up in Greenland: timing and spatiotemporal variability, The Cryosphere, 18, 2035–2059, https://doi.org/10.5194/tc-18-2035-2024, 2024. Timing of lake ice break-up for 563 lakes across peripheral South, Southwest and Northwest Greenla...
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Online Access: | https://doi.org/10.5281/zenodo.10577480 https://doi.org/10.5194/tc-18-2035-2024 |
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ftzenodo:oai:zenodo.org:10577480 2024-09-15T18:08:48+00:00 Lake Ice Break-Up across Peripheral Greenland (2017-2021) from Sentinel-1 SAR Posch, Christoph Abermann, Jakob Silva, Tiago 2024-01-28 https://doi.org/10.5281/zenodo.10577480 https://doi.org/10.5194/tc-18-2035-2024 eng eng Zenodo https://doi.org/10.5281/zenodo.10577479 https://doi.org/10.5281/zenodo.10577480 oai:zenodo.org:10577480 https://doi.org/10.5194/tc-18-2035-2024 info:eu-repo/semantics/openAccess Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode lake ice lake ice phenology Greenland Sentinel-1 SAR climate change effect info:eu-repo/semantics/other 2024 ftzenodo https://doi.org/10.5281/zenodo.1057748010.5194/tc-18-2035-202410.5281/zenodo.10577479 2024-07-25T14:08:44Z Dataset from Posch, C., Abermann, J., and Silva, T.: Lake ice break-up in Greenland: timing and spatiotemporal variability, The Cryosphere, 18, 2035–2059, https://doi.org/10.5194/tc-18-2035-2024, 2024. Timing of lake ice break-up for 563 lakes across peripheral South, Southwest and Northwest Greenland (< 71° N) from Sentinel-1 synthetic aperture radar (SAR) data for 2017-2021. This is based on an automated detection from dynamic numerical thresholding which utilizes SAR backscatter differences between lake ice surface and open water. The data proves to be conservative and exhibits a mean error of maximum 5 days (i.e., being 5 days later) in break-up timing which is based on a validation against lake ice observations. Based on a observed variability of lake ice break-up timing in the studied period (+/- 8 days), we also produced estimates for a hypothetical 8-days-earlier break-up of all lakes and its manifestation in execess energy at the lake, which was calculated from site-specific RACMO2.3p incoming shortwave radiation data. More information is to be found in the README file. Other/Unknown Material Greenland Zenodo |
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Open Polar |
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Zenodo |
op_collection_id |
ftzenodo |
language |
English |
topic |
lake ice lake ice phenology Greenland Sentinel-1 SAR climate change effect |
spellingShingle |
lake ice lake ice phenology Greenland Sentinel-1 SAR climate change effect Posch, Christoph Abermann, Jakob Silva, Tiago Lake Ice Break-Up across Peripheral Greenland (2017-2021) from Sentinel-1 SAR |
topic_facet |
lake ice lake ice phenology Greenland Sentinel-1 SAR climate change effect |
description |
Dataset from Posch, C., Abermann, J., and Silva, T.: Lake ice break-up in Greenland: timing and spatiotemporal variability, The Cryosphere, 18, 2035–2059, https://doi.org/10.5194/tc-18-2035-2024, 2024. Timing of lake ice break-up for 563 lakes across peripheral South, Southwest and Northwest Greenland (< 71° N) from Sentinel-1 synthetic aperture radar (SAR) data for 2017-2021. This is based on an automated detection from dynamic numerical thresholding which utilizes SAR backscatter differences between lake ice surface and open water. The data proves to be conservative and exhibits a mean error of maximum 5 days (i.e., being 5 days later) in break-up timing which is based on a validation against lake ice observations. Based on a observed variability of lake ice break-up timing in the studied period (+/- 8 days), we also produced estimates for a hypothetical 8-days-earlier break-up of all lakes and its manifestation in execess energy at the lake, which was calculated from site-specific RACMO2.3p incoming shortwave radiation data. More information is to be found in the README file. |
format |
Other/Unknown Material |
author |
Posch, Christoph Abermann, Jakob Silva, Tiago |
author_facet |
Posch, Christoph Abermann, Jakob Silva, Tiago |
author_sort |
Posch, Christoph |
title |
Lake Ice Break-Up across Peripheral Greenland (2017-2021) from Sentinel-1 SAR |
title_short |
Lake Ice Break-Up across Peripheral Greenland (2017-2021) from Sentinel-1 SAR |
title_full |
Lake Ice Break-Up across Peripheral Greenland (2017-2021) from Sentinel-1 SAR |
title_fullStr |
Lake Ice Break-Up across Peripheral Greenland (2017-2021) from Sentinel-1 SAR |
title_full_unstemmed |
Lake Ice Break-Up across Peripheral Greenland (2017-2021) from Sentinel-1 SAR |
title_sort |
lake ice break-up across peripheral greenland (2017-2021) from sentinel-1 sar |
publisher |
Zenodo |
publishDate |
2024 |
url |
https://doi.org/10.5281/zenodo.10577480 https://doi.org/10.5194/tc-18-2035-2024 |
genre |
Greenland |
genre_facet |
Greenland |
op_relation |
https://doi.org/10.5281/zenodo.10577479 https://doi.org/10.5281/zenodo.10577480 oai:zenodo.org:10577480 https://doi.org/10.5194/tc-18-2035-2024 |
op_rights |
info:eu-repo/semantics/openAccess Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.1057748010.5194/tc-18-2035-202410.5281/zenodo.10577479 |
_version_ |
1810446168736399360 |