Dynamics of the Terra Nova Bay Polynya: The potential of multi-sensor satellite observations
Published version. Source at http://dx.doi.org/10.1016/j.rse.2016.10.003 Research on processes leading to formation, maintenance, and disappearance of polynyas in the Polar Regions benefits significantly from the use of different types of remote sensing data. The Sentinels of the European Space Agen...
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Online Access: | https://hdl.handle.net/10037/10458 https://doi.org/10.1016/j.rse.2016.10.003 |
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ftunivtroemsoe:oai:munin.uit.no:10037/10458 2023-05-15T13:58:43+02:00 Dynamics of the Terra Nova Bay Polynya: The potential of multi-sensor satellite observations Hollands, Thomas Dierking, Wolfgang Fritz Otto 2016-10-10 https://hdl.handle.net/10037/10458 https://doi.org/10.1016/j.rse.2016.10.003 eng eng Elsevier Remote Sensing of Environment info:eu-repo/grantAgreement/RCN/SFI/237906/Norway/ CentreforIntegratedRemoteSensingandForecastingforArcticOperations/CIRFA/ Hollands, T., Dierking, W. F. O.: Dynamics of the Terra Nova Bay Polynya: The potential of multi-sensor satellite observations. Remote Sensing of Environment. 2016;187:30-48 FRIDAID 1413717 doi:10.1016/j.rse.2016.10.003 0034-4257 1879-0704 https://hdl.handle.net/10037/10458 openAccess VDP::Matematikk og Naturvitenskap: 400 VDP::Mathematics and natural science: 400 Sea ice Polynya Multi-sensor satellite observations Terra Nova Bay Microwaves Thermal IR Optical images Ice type classification Ice drift retrieval Journal article Tidsskriftartikkel Peer reviewed 2016 ftunivtroemsoe https://doi.org/10.1016/j.rse.2016.10.003 2021-06-25T17:55:10Z Published version. Source at http://dx.doi.org/10.1016/j.rse.2016.10.003 Research on processes leading to formation, maintenance, and disappearance of polynyas in the Polar Regions benefits significantly from the use of different types of remote sensing data. The Sentinels of the European Space Agency (ESA), together with other satellite missions, provide a variety of data from different parts of the electromagnetic spectrum, at different spatial scales, and with different temporal resolutions. In a case study we demonstrate the advantage of merging data from different spaceborne instruments for analysing ice conditions and ice dynamics in and around the frequently occurring Terra Nova Bay Polynya (TNBP) in the Ross Sea in the Antarctic. Starting with a list of polynya parameters that are typically retrieved from satellite images, we assess the usefulness of different sensor types. On regional scales (several 100 km), passive microwave radiometers provide a viewon the mutual influence of the three Ross Sea polynyas on sea ice drift and deformation patterns. Optical sensors with meter-scale resolution, on the other hand, allow very localized analyses of different polynya zones. The combination of different ranges of the electromagnetic spectrum is essential for recognition and classification of ice types and structures. Radar images togetherwith data fromthermal infrared sensors, operated at tens to hundreds of meters resolution, improve the separation of the outlet zone of the polynya fromthe adjacent pack ice. The direct comparison of radar and passive microwave images reveals the visibility of deformed ice zone in the latter. A sequence of radar images was employed to retrieve ice drift around the TNB, which allows analysing the temporal changes of the polynya area and the extension and structure of the outlet zone as well as ice movements and deformation that are influenced by the katabatic winds. Article in Journal/Newspaper Antarc* Antarctic Ross Sea Sea ice University of Tromsø: Munin Open Research Archive Antarctic Ross Sea Terra Nova Bay The Antarctic The Sentinels ENVELOPE(-36.267,-36.267,-54.267,-54.267) Remote Sensing of Environment 187 30 48 |
institution |
Open Polar |
collection |
University of Tromsø: Munin Open Research Archive |
op_collection_id |
ftunivtroemsoe |
language |
English |
topic |
VDP::Matematikk og Naturvitenskap: 400 VDP::Mathematics and natural science: 400 Sea ice Polynya Multi-sensor satellite observations Terra Nova Bay Microwaves Thermal IR Optical images Ice type classification Ice drift retrieval |
spellingShingle |
VDP::Matematikk og Naturvitenskap: 400 VDP::Mathematics and natural science: 400 Sea ice Polynya Multi-sensor satellite observations Terra Nova Bay Microwaves Thermal IR Optical images Ice type classification Ice drift retrieval Hollands, Thomas Dierking, Wolfgang Fritz Otto Dynamics of the Terra Nova Bay Polynya: The potential of multi-sensor satellite observations |
topic_facet |
VDP::Matematikk og Naturvitenskap: 400 VDP::Mathematics and natural science: 400 Sea ice Polynya Multi-sensor satellite observations Terra Nova Bay Microwaves Thermal IR Optical images Ice type classification Ice drift retrieval |
description |
Published version. Source at http://dx.doi.org/10.1016/j.rse.2016.10.003 Research on processes leading to formation, maintenance, and disappearance of polynyas in the Polar Regions benefits significantly from the use of different types of remote sensing data. The Sentinels of the European Space Agency (ESA), together with other satellite missions, provide a variety of data from different parts of the electromagnetic spectrum, at different spatial scales, and with different temporal resolutions. In a case study we demonstrate the advantage of merging data from different spaceborne instruments for analysing ice conditions and ice dynamics in and around the frequently occurring Terra Nova Bay Polynya (TNBP) in the Ross Sea in the Antarctic. Starting with a list of polynya parameters that are typically retrieved from satellite images, we assess the usefulness of different sensor types. On regional scales (several 100 km), passive microwave radiometers provide a viewon the mutual influence of the three Ross Sea polynyas on sea ice drift and deformation patterns. Optical sensors with meter-scale resolution, on the other hand, allow very localized analyses of different polynya zones. The combination of different ranges of the electromagnetic spectrum is essential for recognition and classification of ice types and structures. Radar images togetherwith data fromthermal infrared sensors, operated at tens to hundreds of meters resolution, improve the separation of the outlet zone of the polynya fromthe adjacent pack ice. The direct comparison of radar and passive microwave images reveals the visibility of deformed ice zone in the latter. A sequence of radar images was employed to retrieve ice drift around the TNB, which allows analysing the temporal changes of the polynya area and the extension and structure of the outlet zone as well as ice movements and deformation that are influenced by the katabatic winds. |
format |
Article in Journal/Newspaper |
author |
Hollands, Thomas Dierking, Wolfgang Fritz Otto |
author_facet |
Hollands, Thomas Dierking, Wolfgang Fritz Otto |
author_sort |
Hollands, Thomas |
title |
Dynamics of the Terra Nova Bay Polynya: The potential of multi-sensor satellite observations |
title_short |
Dynamics of the Terra Nova Bay Polynya: The potential of multi-sensor satellite observations |
title_full |
Dynamics of the Terra Nova Bay Polynya: The potential of multi-sensor satellite observations |
title_fullStr |
Dynamics of the Terra Nova Bay Polynya: The potential of multi-sensor satellite observations |
title_full_unstemmed |
Dynamics of the Terra Nova Bay Polynya: The potential of multi-sensor satellite observations |
title_sort |
dynamics of the terra nova bay polynya: the potential of multi-sensor satellite observations |
publisher |
Elsevier |
publishDate |
2016 |
url |
https://hdl.handle.net/10037/10458 https://doi.org/10.1016/j.rse.2016.10.003 |
long_lat |
ENVELOPE(-36.267,-36.267,-54.267,-54.267) |
geographic |
Antarctic Ross Sea Terra Nova Bay The Antarctic The Sentinels |
geographic_facet |
Antarctic Ross Sea Terra Nova Bay The Antarctic The Sentinels |
genre |
Antarc* Antarctic Ross Sea Sea ice |
genre_facet |
Antarc* Antarctic Ross Sea Sea ice |
op_relation |
Remote Sensing of Environment info:eu-repo/grantAgreement/RCN/SFI/237906/Norway/ CentreforIntegratedRemoteSensingandForecastingforArcticOperations/CIRFA/ Hollands, T., Dierking, W. F. O.: Dynamics of the Terra Nova Bay Polynya: The potential of multi-sensor satellite observations. Remote Sensing of Environment. 2016;187:30-48 FRIDAID 1413717 doi:10.1016/j.rse.2016.10.003 0034-4257 1879-0704 https://hdl.handle.net/10037/10458 |
op_rights |
openAccess |
op_doi |
https://doi.org/10.1016/j.rse.2016.10.003 |
container_title |
Remote Sensing of Environment |
container_volume |
187 |
container_start_page |
30 |
op_container_end_page |
48 |
_version_ |
1766267060330954752 |