Motion tracking of sea ice with SAR satellite data
Sea ice, motion tracking, SAR, kinematics, pattern matching, earth observation. - For the last thirty years, sea ice kinematics have been studied continuously over large areas, but with coarse spatial resolutions. In the framework of this dissertation, the author implemented and modified an algorith...
Main Author: | |
---|---|
Format: | Thesis |
Language: | unknown |
Published: |
Universität Bremen
2012
|
Subjects: | |
Online Access: | https://epic.awi.de/id/eprint/32187/ https://epic.awi.de/id/eprint/32187/1/Hollands_DissertationArchive.pdf http://nbn-resolving.de/urn:nbn:de:gbv:46-00102948-13 https://hdl.handle.net/10013/epic.40814 https://hdl.handle.net/10013/epic.40814.d001 |
id |
ftawi:oai:epic.awi.de:32187 |
---|---|
record_format |
openpolar |
spelling |
ftawi:oai:epic.awi.de:32187 2023-05-15T18:16:14+02:00 Motion tracking of sea ice with SAR satellite data Hollands, Thomas 2012 application/pdf https://epic.awi.de/id/eprint/32187/ https://epic.awi.de/id/eprint/32187/1/Hollands_DissertationArchive.pdf http://nbn-resolving.de/urn:nbn:de:gbv:46-00102948-13 https://hdl.handle.net/10013/epic.40814 https://hdl.handle.net/10013/epic.40814.d001 unknown Universität Bremen https://epic.awi.de/id/eprint/32187/1/Hollands_DissertationArchive.pdf https://hdl.handle.net/10013/epic.40814.d001 Hollands, T. orcid:0000-0003-0824-4037 (2012) Motion tracking of sea ice with SAR satellite data , PhD thesis, Universität Bremen. hdl:10013/epic.40814 EPIC3Universität Bremen, 79 p. Thesis notRev 2012 ftawi 2021-12-24T15:38:20Z Sea ice, motion tracking, SAR, kinematics, pattern matching, earth observation. - For the last thirty years, sea ice kinematics have been studied continuously over large areas, but with coarse spatial resolutions. In the framework of this dissertation, the author implemented and modified an algorithm for the observation of high resolution sea ice motion from satellite imagery. Employing the algorithm he shows that sea ice can change its drift patterns completely within less than a day if wind conditions are highly variable. Furthermore, the author compares the ice drift derived from satellite imagery with model simulations. Another part of this thesis focuses on the automated evaluation of the retrieved drift data, since sea ice regions are often difficult to access, in-situ measurements to validate the calculated ice drift are sparse. Here, a new reliability estimate is introduced, combining the correlation coefficient with measures of selected texture parameters and the results of a reversed drift calculation. Thesis Sea ice Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
institution |
Open Polar |
collection |
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
op_collection_id |
ftawi |
language |
unknown |
description |
Sea ice, motion tracking, SAR, kinematics, pattern matching, earth observation. - For the last thirty years, sea ice kinematics have been studied continuously over large areas, but with coarse spatial resolutions. In the framework of this dissertation, the author implemented and modified an algorithm for the observation of high resolution sea ice motion from satellite imagery. Employing the algorithm he shows that sea ice can change its drift patterns completely within less than a day if wind conditions are highly variable. Furthermore, the author compares the ice drift derived from satellite imagery with model simulations. Another part of this thesis focuses on the automated evaluation of the retrieved drift data, since sea ice regions are often difficult to access, in-situ measurements to validate the calculated ice drift are sparse. Here, a new reliability estimate is introduced, combining the correlation coefficient with measures of selected texture parameters and the results of a reversed drift calculation. |
format |
Thesis |
author |
Hollands, Thomas |
spellingShingle |
Hollands, Thomas Motion tracking of sea ice with SAR satellite data |
author_facet |
Hollands, Thomas |
author_sort |
Hollands, Thomas |
title |
Motion tracking of sea ice with SAR satellite data |
title_short |
Motion tracking of sea ice with SAR satellite data |
title_full |
Motion tracking of sea ice with SAR satellite data |
title_fullStr |
Motion tracking of sea ice with SAR satellite data |
title_full_unstemmed |
Motion tracking of sea ice with SAR satellite data |
title_sort |
motion tracking of sea ice with sar satellite data |
publisher |
Universität Bremen |
publishDate |
2012 |
url |
https://epic.awi.de/id/eprint/32187/ https://epic.awi.de/id/eprint/32187/1/Hollands_DissertationArchive.pdf http://nbn-resolving.de/urn:nbn:de:gbv:46-00102948-13 https://hdl.handle.net/10013/epic.40814 https://hdl.handle.net/10013/epic.40814.d001 |
genre |
Sea ice |
genre_facet |
Sea ice |
op_source |
EPIC3Universität Bremen, 79 p. |
op_relation |
https://epic.awi.de/id/eprint/32187/1/Hollands_DissertationArchive.pdf https://hdl.handle.net/10013/epic.40814.d001 Hollands, T. orcid:0000-0003-0824-4037 (2012) Motion tracking of sea ice with SAR satellite data , PhD thesis, Universität Bremen. hdl:10013/epic.40814 |
_version_ |
1766189734689767424 |