Greenland-wide inventory of ice marginal lakes using a multi-method approach
Abstract Ice marginal lakes are a dynamic component of terrestrial meltwater storage at the margin of the Greenland Ice Sheet. Despite their significance to the sea level budget, local flood hazards and bigeochemical fluxes, there is a lack of Greenland-wide research into ice marginal lakes. Here, a...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2021-02-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-021-83509-1 |
| _version_ | 1819202261845278720 |
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| author | Penelope How Alexandra Messerli Eva Mätzler Maurizio Santoro Andreas Wiesmann Rafael Caduff Kirsty Langley Mikkel Høegh Bojesen Frank Paul Andreas Kääb Jonathan L. Carrivick |
| author_facet | Penelope How Alexandra Messerli Eva Mätzler Maurizio Santoro Andreas Wiesmann Rafael Caduff Kirsty Langley Mikkel Høegh Bojesen Frank Paul Andreas Kääb Jonathan L. Carrivick |
| author_sort | Penelope How |
| collection | DOAJ |
| description | Abstract Ice marginal lakes are a dynamic component of terrestrial meltwater storage at the margin of the Greenland Ice Sheet. Despite their significance to the sea level budget, local flood hazards and bigeochemical fluxes, there is a lack of Greenland-wide research into ice marginal lakes. Here, a detailed multi-sensor inventory of Greenland’s ice marginal lakes is presented based on three well-established detection methods to form a unified remote sensing approach. The inventory consists of 3347 ( $$\pm 8$$ ± 8 %) ice marginal lakes ( $$>0.05\,{{\text{ km }}^{2}}$$ > 0.05 km 2 ) detected for the year 2017. The greatest proportion of lakes lie around Greenland’s ice caps and mountain glaciers, and the southwest margin of the ice sheet. Through comparison to previous studies, a $$\sim 75$$ ∼ 75 % increase in lake frequency is evident over the west margin of the ice sheet since 1985. This suggests it is becoming increasingly important to include ice marginal lakes in future sea level projections, where these lakes will form a dynamic storage of meltwater that can influence outlet glacier dynamics. Comparison to existing global glacial lake inventories demonstrate that up to 56% of ice marginal lakes could be unaccounted for in global estimates of ice marginal lake change, likely due to the reliance on a single lake detection method. |
| first_indexed | 2024-12-23T04:01:13Z |
| format | Article |
| id | doaj.art-63189a9d84f040ebabc926dce4eb0111 |
| institution | Directory Open Access Journal |
| issn | 2045-2322 |
| language | English |
| last_indexed | 2024-12-23T04:01:13Z |
| publishDate | 2021-02-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj.art-63189a9d84f040ebabc926dce4eb01112022-12-21T18:00:44ZengNature PortfolioScientific Reports2045-23222021-02-0111111310.1038/s41598-021-83509-1Greenland-wide inventory of ice marginal lakes using a multi-method approachPenelope How0Alexandra Messerli1Eva Mätzler2Maurizio Santoro3Andreas Wiesmann4Rafael Caduff5Kirsty Langley6Mikkel Høegh Bojesen7Frank Paul8Andreas Kääb9Jonathan L. Carrivick10Asiaq Greenland SurveyAsiaq Greenland SurveyAsiaq Greenland SurveyGamma Remote SensingGamma Remote SensingGamma Remote SensingAsiaq Greenland SurveyAsiaq Greenland SurveyDepartment of Geography, University of ZurichDepartment of Geosciences, University of OsloSchool of Geography and Water@Leeds, University of LeedsAbstract Ice marginal lakes are a dynamic component of terrestrial meltwater storage at the margin of the Greenland Ice Sheet. Despite their significance to the sea level budget, local flood hazards and bigeochemical fluxes, there is a lack of Greenland-wide research into ice marginal lakes. Here, a detailed multi-sensor inventory of Greenland’s ice marginal lakes is presented based on three well-established detection methods to form a unified remote sensing approach. The inventory consists of 3347 ( $$\pm 8$$ ± 8 %) ice marginal lakes ( $$>0.05\,{{\text{ km }}^{2}}$$ > 0.05 km 2 ) detected for the year 2017. The greatest proportion of lakes lie around Greenland’s ice caps and mountain glaciers, and the southwest margin of the ice sheet. Through comparison to previous studies, a $$\sim 75$$ ∼ 75 % increase in lake frequency is evident over the west margin of the ice sheet since 1985. This suggests it is becoming increasingly important to include ice marginal lakes in future sea level projections, where these lakes will form a dynamic storage of meltwater that can influence outlet glacier dynamics. Comparison to existing global glacial lake inventories demonstrate that up to 56% of ice marginal lakes could be unaccounted for in global estimates of ice marginal lake change, likely due to the reliance on a single lake detection method.https://doi.org/10.1038/s41598-021-83509-1 |
| spellingShingle | Penelope How Alexandra Messerli Eva Mätzler Maurizio Santoro Andreas Wiesmann Rafael Caduff Kirsty Langley Mikkel Høegh Bojesen Frank Paul Andreas Kääb Jonathan L. Carrivick Greenland-wide inventory of ice marginal lakes using a multi-method approach Scientific Reports |
| title | Greenland-wide inventory of ice marginal lakes using a multi-method approach |
| title_full | Greenland-wide inventory of ice marginal lakes using a multi-method approach |
| title_fullStr | Greenland-wide inventory of ice marginal lakes using a multi-method approach |
| title_full_unstemmed | Greenland-wide inventory of ice marginal lakes using a multi-method approach |
| title_short | Greenland-wide inventory of ice marginal lakes using a multi-method approach |
| title_sort | greenland wide inventory of ice marginal lakes using a multi method approach |
| url | https://doi.org/10.1038/s41598-021-83509-1 |
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