IcePAC – a probabilistic tool to study sea ice spatio-temporal dynamics: application to the Hudson Bay area
A reliable knowledge and assessment of the sea ice conditions and their evolution in time is a priority for numerous decision makers in the domains of coastal and offshore management and engineering as well as in commercial navigation. As of today, countless research projects aimed at both modelling...
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fttriple:oai:gotriple.eu:oai:doaj.org/article:90522a4622d84050839a7a73437dae1d 2023-05-15T16:35:25+02:00 IcePAC – a probabilistic tool to study sea ice spatio-temporal dynamics: application to the Hudson Bay area C. Gignac M. Bernier K. Chokmani 2019-02-01 https://doi.org/10.5194/tc-13-451-2019 https://www.the-cryosphere.net/13/451/2019/tc-13-451-2019.pdf https://doaj.org/article/90522a4622d84050839a7a73437dae1d en eng Copernicus Publications doi:10.5194/tc-13-451-2019 1994-0416 1994-0424 https://www.the-cryosphere.net/13/451/2019/tc-13-451-2019.pdf https://doaj.org/article/90522a4622d84050839a7a73437dae1d undefined The Cryosphere, Vol 13, Pp 451-468 (2019) geo envir Journal Article https://vocabularies.coar-repositories.org/resource_types/c_6501/ 2019 fttriple https://doi.org/10.5194/tc-13-451-2019 2023-01-22T18:10:51Z A reliable knowledge and assessment of the sea ice conditions and their evolution in time is a priority for numerous decision makers in the domains of coastal and offshore management and engineering as well as in commercial navigation. As of today, countless research projects aimed at both modelling and mapping past, actual and future sea ice conditions were completed using sea ice numerical models, statistical models, educated guesses or remote sensing imagery. From this research, reliable information helping to understand sea ice evolution in space and in time is available to stakeholders. However, no research has, until present, assessed the evolution of sea ice cover with a frequency modelling approach, by identifying the underlying theoretical distribution describing the sea ice behaviour at a given point in space and time. This project suggests the development of a probabilistic tool, named IcePAC, based on frequency modelling of historical 1978–2015 passive microwave sea ice concentrations maps from the EUMETSAT OSI-409 product, to study the sea ice spatio-temporal behaviour in the waters of the Hudson Bay system in northeast Canada. Grid-cell-scale models are based on the generalized beta distribution and generated at a weekly temporal resolution. Results showed coherence with the Canadian Ice Service 1981–2010 Sea Ice Climatic Atlas average freeze-up and melt-out dates for numerous coastal communities in the study area and showed that it is possible to evaluate a range of plausible events, such as the shortest and longest probable ice-free season duration, for any given location in the simulation domain. Results obtained in this project pave the way towards various analyses on sea ice concentration spatio-temporal distribution patterns that would gain in terms of information content and value by relying on the kind of probabilistic information and simulation data available from the IcePAC tool. Article in Journal/Newspaper Hudson Bay Sea ice The Cryosphere Unknown Canada Hudson Hudson Bay The Cryosphere 13 2 451 468 |
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geo envir C. Gignac M. Bernier K. Chokmani IcePAC – a probabilistic tool to study sea ice spatio-temporal dynamics: application to the Hudson Bay area |
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A reliable knowledge and assessment of the sea ice conditions and their evolution in time is a priority for numerous decision makers in the domains of coastal and offshore management and engineering as well as in commercial navigation. As of today, countless research projects aimed at both modelling and mapping past, actual and future sea ice conditions were completed using sea ice numerical models, statistical models, educated guesses or remote sensing imagery. From this research, reliable information helping to understand sea ice evolution in space and in time is available to stakeholders. However, no research has, until present, assessed the evolution of sea ice cover with a frequency modelling approach, by identifying the underlying theoretical distribution describing the sea ice behaviour at a given point in space and time. This project suggests the development of a probabilistic tool, named IcePAC, based on frequency modelling of historical 1978–2015 passive microwave sea ice concentrations maps from the EUMETSAT OSI-409 product, to study the sea ice spatio-temporal behaviour in the waters of the Hudson Bay system in northeast Canada. Grid-cell-scale models are based on the generalized beta distribution and generated at a weekly temporal resolution. Results showed coherence with the Canadian Ice Service 1981–2010 Sea Ice Climatic Atlas average freeze-up and melt-out dates for numerous coastal communities in the study area and showed that it is possible to evaluate a range of plausible events, such as the shortest and longest probable ice-free season duration, for any given location in the simulation domain. Results obtained in this project pave the way towards various analyses on sea ice concentration spatio-temporal distribution patterns that would gain in terms of information content and value by relying on the kind of probabilistic information and simulation data available from the IcePAC tool. |
format |
Article in Journal/Newspaper |
author |
C. Gignac M. Bernier K. Chokmani |
author_facet |
C. Gignac M. Bernier K. Chokmani |
author_sort |
C. Gignac |
title |
IcePAC – a probabilistic tool to study sea ice spatio-temporal dynamics: application to the Hudson Bay area |
title_short |
IcePAC – a probabilistic tool to study sea ice spatio-temporal dynamics: application to the Hudson Bay area |
title_full |
IcePAC – a probabilistic tool to study sea ice spatio-temporal dynamics: application to the Hudson Bay area |
title_fullStr |
IcePAC – a probabilistic tool to study sea ice spatio-temporal dynamics: application to the Hudson Bay area |
title_full_unstemmed |
IcePAC – a probabilistic tool to study sea ice spatio-temporal dynamics: application to the Hudson Bay area |
title_sort |
icepac – a probabilistic tool to study sea ice spatio-temporal dynamics: application to the hudson bay area |
publisher |
Copernicus Publications |
publishDate |
2019 |
url |
https://doi.org/10.5194/tc-13-451-2019 https://www.the-cryosphere.net/13/451/2019/tc-13-451-2019.pdf https://doaj.org/article/90522a4622d84050839a7a73437dae1d |
geographic |
Canada Hudson Hudson Bay |
geographic_facet |
Canada Hudson Hudson Bay |
genre |
Hudson Bay Sea ice The Cryosphere |
genre_facet |
Hudson Bay Sea ice The Cryosphere |
op_source |
The Cryosphere, Vol 13, Pp 451-468 (2019) |
op_relation |
doi:10.5194/tc-13-451-2019 1994-0416 1994-0424 https://www.the-cryosphere.net/13/451/2019/tc-13-451-2019.pdf https://doaj.org/article/90522a4622d84050839a7a73437dae1d |
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op_doi |
https://doi.org/10.5194/tc-13-451-2019 |
container_title |
The Cryosphere |
container_volume |
13 |
container_issue |
2 |
container_start_page |
451 |
op_container_end_page |
468 |
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