Small-scale variability of snow properties on sea ice: from snow pits to the SnowMicroPen
Snow on sea ice alters the properties of the underlying ice cover as well as associated exchange processes at the interfaces between atmosphere, sea ice, and ocean. It contributes significantly to the sea-ice mass and energy budgets due to comprehensive seasonal transition processes within the snowp...
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ftawi:oai:epic.awi.de:50168 2024-09-15T17:47:06+00:00 Small-scale variability of snow properties on sea ice: from snow pits to the SnowMicroPen Arndt, Stefanie Stoll, Nicolas Jutila, Arttu Paul, Stephan 2019 application/pdf https://epic.awi.de/id/eprint/50168/ https://epic.awi.de/id/eprint/50168/1/201906_snow_scales_sarndt.pdf https://hdl.handle.net/10013/epic.3a6a3a19-784a-479c-991a-51a3a121f2c0 unknown https://epic.awi.de/id/eprint/50168/1/201906_snow_scales_sarndt.pdf Arndt, S. orcid:0000-0001-9782-3844 , Stoll, N. orcid:0000-0002-3219-8395 , Jutila, A. orcid:0000-0001-6115-1687 and Paul, S. orcid:0000-0002-5136-714X (2019) Small-scale variability of snow properties on sea ice: from snow pits to the SnowMicroPen , 76th Eastern Snow Conference, Fairlee, Vermont, USA, 4 June 2019 - 6 June 2019 . hdl:10013/epic.3a6a3a19-784a-479c-991a-51a3a121f2c0 EPIC376th Eastern Snow Conference, Fairlee, Vermont, USA, 2019-06-04-2019-06-06 Conference notRev 2019 ftawi 2024-06-24T04:22:11Z Snow on sea ice alters the properties of the underlying ice cover as well as associated exchange processes at the interfaces between atmosphere, sea ice, and ocean. It contributes significantly to the sea-ice mass and energy budgets due to comprehensive seasonal transition processes within the snowpack. Therefore, several studies have shown the importance of comprehensive understanding of snow properties for large-scale estimates in the ice-covered oceans. However, field studies reveal not only a strong seasonality but especially spatial variations on floe-size scales. It is therefore necessary to locate and quantify seasonal snow processes, such as internal snowmelt, snow metamorphism, and snow-ice formation in the Arctic and Antarctic snowpack on small scales. Doing so, we present here in-situ observations of physical snow properties from point measurements (snow pits) and transect lines (SnowMicroPen, SMP) during recent expeditions in the Weddell Sea and off the northeastern coast of Ellesmere Island, Canada, from 2013 to 2019, covering summer and winter conditions. Results from a case study of snow pit analyses in the Weddell Sea during austral winter reveal a high variability of snow parameters throughout the snowpack. It is shown that snow grain size dominates the spatial variability of the snow pack while snow density variability can be neglected. The additional use of the SMP allows to even quantify length-scale variabilities of snow properties in different ice regimes in both hemispheres. Overall, results will improve our understanding of seasonal processes in the snowpack and will guide us towards upscaling approaches of vertical snow layers on Arctic and Antarctic sea ice. Conference Object Antarc* Antarctic Ellesmere Island Sea ice Weddell Sea Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
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Snow on sea ice alters the properties of the underlying ice cover as well as associated exchange processes at the interfaces between atmosphere, sea ice, and ocean. It contributes significantly to the sea-ice mass and energy budgets due to comprehensive seasonal transition processes within the snowpack. Therefore, several studies have shown the importance of comprehensive understanding of snow properties for large-scale estimates in the ice-covered oceans. However, field studies reveal not only a strong seasonality but especially spatial variations on floe-size scales. It is therefore necessary to locate and quantify seasonal snow processes, such as internal snowmelt, snow metamorphism, and snow-ice formation in the Arctic and Antarctic snowpack on small scales. Doing so, we present here in-situ observations of physical snow properties from point measurements (snow pits) and transect lines (SnowMicroPen, SMP) during recent expeditions in the Weddell Sea and off the northeastern coast of Ellesmere Island, Canada, from 2013 to 2019, covering summer and winter conditions. Results from a case study of snow pit analyses in the Weddell Sea during austral winter reveal a high variability of snow parameters throughout the snowpack. It is shown that snow grain size dominates the spatial variability of the snow pack while snow density variability can be neglected. The additional use of the SMP allows to even quantify length-scale variabilities of snow properties in different ice regimes in both hemispheres. Overall, results will improve our understanding of seasonal processes in the snowpack and will guide us towards upscaling approaches of vertical snow layers on Arctic and Antarctic sea ice. |
format |
Conference Object |
author |
Arndt, Stefanie Stoll, Nicolas Jutila, Arttu Paul, Stephan |
spellingShingle |
Arndt, Stefanie Stoll, Nicolas Jutila, Arttu Paul, Stephan Small-scale variability of snow properties on sea ice: from snow pits to the SnowMicroPen |
author_facet |
Arndt, Stefanie Stoll, Nicolas Jutila, Arttu Paul, Stephan |
author_sort |
Arndt, Stefanie |
title |
Small-scale variability of snow properties on sea ice: from snow pits to the SnowMicroPen |
title_short |
Small-scale variability of snow properties on sea ice: from snow pits to the SnowMicroPen |
title_full |
Small-scale variability of snow properties on sea ice: from snow pits to the SnowMicroPen |
title_fullStr |
Small-scale variability of snow properties on sea ice: from snow pits to the SnowMicroPen |
title_full_unstemmed |
Small-scale variability of snow properties on sea ice: from snow pits to the SnowMicroPen |
title_sort |
small-scale variability of snow properties on sea ice: from snow pits to the snowmicropen |
publishDate |
2019 |
url |
https://epic.awi.de/id/eprint/50168/ https://epic.awi.de/id/eprint/50168/1/201906_snow_scales_sarndt.pdf https://hdl.handle.net/10013/epic.3a6a3a19-784a-479c-991a-51a3a121f2c0 |
genre |
Antarc* Antarctic Ellesmere Island Sea ice Weddell Sea |
genre_facet |
Antarc* Antarctic Ellesmere Island Sea ice Weddell Sea |
op_source |
EPIC376th Eastern Snow Conference, Fairlee, Vermont, USA, 2019-06-04-2019-06-06 |
op_relation |
https://epic.awi.de/id/eprint/50168/1/201906_snow_scales_sarndt.pdf Arndt, S. orcid:0000-0001-9782-3844 , Stoll, N. orcid:0000-0002-3219-8395 , Jutila, A. orcid:0000-0001-6115-1687 and Paul, S. orcid:0000-0002-5136-714X (2019) Small-scale variability of snow properties on sea ice: from snow pits to the SnowMicroPen , 76th Eastern Snow Conference, Fairlee, Vermont, USA, 4 June 2019 - 6 June 2019 . hdl:10013/epic.3a6a3a19-784a-479c-991a-51a3a121f2c0 |
_version_ |
1810495738921091072 |