Improvements and analyzes of sea ice drift and deformation retrievals from SAR images
Sea ice is a key component of the climate system since it regulates the exchange of heat, the moisture, and the salinity in the polar oceans. The sea ice cover is set into motion and drifts, deforms and fractures under the action of external forces and respective boundary conditions. A positive tren...
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ftdatacite:10.26092/elib/421 2023-05-15T18:16:06+02:00 Improvements and analyzes of sea ice drift and deformation retrievals from SAR images Griebel, Jakob 2020 https://dx.doi.org/10.26092/elib/421 https://media.suub.uni-bremen.de/handle/elib/4624 en eng Universität Bremen Attribution 3.0 Germany http://creativecommons.org/licenses/by/3.0/de/ CC-BY Sea ice Sea ice deformation SAR Sea ice drift Algorithms 500 Thesis Other Dissertation thesis 2020 ftdatacite https://doi.org/10.26092/elib/421 2021-11-05T12:55:41Z Sea ice is a key component of the climate system since it regulates the exchange of heat, the moisture, and the salinity in the polar oceans. The sea ice cover is set into motion and drifts, deforms and fractures under the action of external forces and respective boundary conditions. A positive trend in sea ice mobility, differential kinematics and deformation has been observed in the last decades. This increasing dynamics can increase the ice-albedo feedback loop, one of the most important feedback mechanisms related to climate change. The kinematics of sea ice is observed from space by synthetic aperture radar (SAR) and quantified using drift detection algorithms. The requirements that the applied algorithm has to meet regarding resolution, reliability and computing time vary with the type of application. Sea ice kinematics and associated deformation processes occur across a wide range of spatial scales, from meters to thousands of kilometers. It is important to understand how large-scale behavior monitored by satellite relates to and depends on small scale processes of sea ice. Thus, the major objective of this study was to review and validate recent research results of sea ice drift and deformation characteristics obtained at larger scales by extending the analyzes towards smaller scales and examine emerging difficulties and challenges. Thesis Sea ice DataCite Metadata Store (German National Library of Science and Technology) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Sea ice Sea ice deformation SAR Sea ice drift Algorithms 500 |
spellingShingle |
Sea ice Sea ice deformation SAR Sea ice drift Algorithms 500 Griebel, Jakob Improvements and analyzes of sea ice drift and deformation retrievals from SAR images |
topic_facet |
Sea ice Sea ice deformation SAR Sea ice drift Algorithms 500 |
description |
Sea ice is a key component of the climate system since it regulates the exchange of heat, the moisture, and the salinity in the polar oceans. The sea ice cover is set into motion and drifts, deforms and fractures under the action of external forces and respective boundary conditions. A positive trend in sea ice mobility, differential kinematics and deformation has been observed in the last decades. This increasing dynamics can increase the ice-albedo feedback loop, one of the most important feedback mechanisms related to climate change. The kinematics of sea ice is observed from space by synthetic aperture radar (SAR) and quantified using drift detection algorithms. The requirements that the applied algorithm has to meet regarding resolution, reliability and computing time vary with the type of application. Sea ice kinematics and associated deformation processes occur across a wide range of spatial scales, from meters to thousands of kilometers. It is important to understand how large-scale behavior monitored by satellite relates to and depends on small scale processes of sea ice. Thus, the major objective of this study was to review and validate recent research results of sea ice drift and deformation characteristics obtained at larger scales by extending the analyzes towards smaller scales and examine emerging difficulties and challenges. |
format |
Thesis |
author |
Griebel, Jakob |
author_facet |
Griebel, Jakob |
author_sort |
Griebel, Jakob |
title |
Improvements and analyzes of sea ice drift and deformation retrievals from SAR images |
title_short |
Improvements and analyzes of sea ice drift and deformation retrievals from SAR images |
title_full |
Improvements and analyzes of sea ice drift and deformation retrievals from SAR images |
title_fullStr |
Improvements and analyzes of sea ice drift and deformation retrievals from SAR images |
title_full_unstemmed |
Improvements and analyzes of sea ice drift and deformation retrievals from SAR images |
title_sort |
improvements and analyzes of sea ice drift and deformation retrievals from sar images |
publisher |
Universität Bremen |
publishDate |
2020 |
url |
https://dx.doi.org/10.26092/elib/421 https://media.suub.uni-bremen.de/handle/elib/4624 |
genre |
Sea ice |
genre_facet |
Sea ice |
op_rights |
Attribution 3.0 Germany http://creativecommons.org/licenses/by/3.0/de/ |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.26092/elib/421 |
_version_ |
1766189540814356480 |