Land–ice interaction in the Baltic Sea
An overview of the evolution of landfast ice in the Baltic Sea, especially in the vicinity of Hailuoto Island in the north, is given, and semi-analytical models are presented to examine the vertical and lateral growth and breakage of landfast ice. The outer edge of landfast ice moves further offshor...
Published in: | Estonian Journal of Earth Sciences |
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Estonian Academy Publishers
2013
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ftdoajarticles:oai:doaj.org/article:5196a46a9d5b43709e71707e107414ca 2023-05-15T18:18:20+02:00 Land–ice interaction in the Baltic Sea Matti Leppäranta 2013-02-01T00:00:00Z https://doi.org/10.3176/earth.2013.01 https://doaj.org/article/5196a46a9d5b43709e71707e107414ca EN eng Estonian Academy Publishers http://www.kirj.ee/public/Estonian_Journal_of_Earth_Sciences/2013/issue_1/earth-2013-1-2-14.pdf https://doaj.org/toc/1736-4728 https://doaj.org/toc/1736-7557 doi:10.3176/earth.2013.01 1736-4728 1736-7557 https://doaj.org/article/5196a46a9d5b43709e71707e107414ca Estonian Journal of Earth Sciences, Vol 62, Iss 1, Pp 2-14 (2013) ice land Baltic Sea ice thickness ice breakage erosion sea bottom shore Geology QE1-996.5 article 2013 ftdoajarticles https://doi.org/10.3176/earth.2013.01 2022-12-31T04:36:03Z An overview of the evolution of landfast ice in the Baltic Sea, especially in the vicinity of Hailuoto Island in the north, is given, and semi-analytical models are presented to examine the vertical and lateral growth and breakage of landfast ice. The outer edge of landfast ice moves further offshore as the ice becomes thicker. Occasionally, landfast ice breaks and moves, forming grounded ridges, scouring the sea bottom, piling up on the shore and riding up onto land up to distances of more than 100 m. According to observations of ice breakage, the yield strength of landfast ice is proportional to the squared ice thickness. In very shallow areas the water may freeze to the bottom, and after sea level rise the ice may drift away and transport bottom sediment. The models provide a first-order approach to understand the evolution of the landfast ice zone from the start to the winter maximum. Article in Journal/Newspaper Sea ice Directory of Open Access Journals: DOAJ Articles Estonian Journal of Earth Sciences 62 1 2 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
ice land Baltic Sea ice thickness ice breakage erosion sea bottom shore Geology QE1-996.5 |
spellingShingle |
ice land Baltic Sea ice thickness ice breakage erosion sea bottom shore Geology QE1-996.5 Matti Leppäranta Land–ice interaction in the Baltic Sea |
topic_facet |
ice land Baltic Sea ice thickness ice breakage erosion sea bottom shore Geology QE1-996.5 |
description |
An overview of the evolution of landfast ice in the Baltic Sea, especially in the vicinity of Hailuoto Island in the north, is given, and semi-analytical models are presented to examine the vertical and lateral growth and breakage of landfast ice. The outer edge of landfast ice moves further offshore as the ice becomes thicker. Occasionally, landfast ice breaks and moves, forming grounded ridges, scouring the sea bottom, piling up on the shore and riding up onto land up to distances of more than 100 m. According to observations of ice breakage, the yield strength of landfast ice is proportional to the squared ice thickness. In very shallow areas the water may freeze to the bottom, and after sea level rise the ice may drift away and transport bottom sediment. The models provide a first-order approach to understand the evolution of the landfast ice zone from the start to the winter maximum. |
format |
Article in Journal/Newspaper |
author |
Matti Leppäranta |
author_facet |
Matti Leppäranta |
author_sort |
Matti Leppäranta |
title |
Land–ice interaction in the Baltic Sea |
title_short |
Land–ice interaction in the Baltic Sea |
title_full |
Land–ice interaction in the Baltic Sea |
title_fullStr |
Land–ice interaction in the Baltic Sea |
title_full_unstemmed |
Land–ice interaction in the Baltic Sea |
title_sort |
land–ice interaction in the baltic sea |
publisher |
Estonian Academy Publishers |
publishDate |
2013 |
url |
https://doi.org/10.3176/earth.2013.01 https://doaj.org/article/5196a46a9d5b43709e71707e107414ca |
genre |
Sea ice |
genre_facet |
Sea ice |
op_source |
Estonian Journal of Earth Sciences, Vol 62, Iss 1, Pp 2-14 (2013) |
op_relation |
http://www.kirj.ee/public/Estonian_Journal_of_Earth_Sciences/2013/issue_1/earth-2013-1-2-14.pdf https://doaj.org/toc/1736-4728 https://doaj.org/toc/1736-7557 doi:10.3176/earth.2013.01 1736-4728 1736-7557 https://doaj.org/article/5196a46a9d5b43709e71707e107414ca |
op_doi |
https://doi.org/10.3176/earth.2013.01 |
container_title |
Estonian Journal of Earth Sciences |
container_volume |
62 |
container_issue |
1 |
container_start_page |
2 |
_version_ |
1766194886306955264 |