Changes in shipping navigability in the Canadian Arctic between 1972 and 2016
There have been rapid recent reductions in sea ice age and extent in the Canadian Arctic, but little previous analysis of how this has impacted the navigability of Arctic shipping. In this study we analyze how navigability changed over the period 1972–2016 by converting Canadian Ice Service ice char...
Published in: | FACETS |
---|---|
Main Authors: | , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Canadian Science Publishing
2021
|
Subjects: | |
Online Access: | https://doi.org/10.1139/facets-2020-0096 https://doaj.org/article/1bae541b303440809da7785842db9368 |
id |
ftdoajarticles:oai:doaj.org/article:1bae541b303440809da7785842db9368 |
---|---|
record_format |
openpolar |
spelling |
ftdoajarticles:oai:doaj.org/article:1bae541b303440809da7785842db9368 2023-05-15T14:35:28+02:00 Changes in shipping navigability in the Canadian Arctic between 1972 and 2016 Luke Copland Jackie Dawson Adrienne Tivy Frances Delaney Alison Cook 2021-01-01T00:00:00Z https://doi.org/10.1139/facets-2020-0096 https://doaj.org/article/1bae541b303440809da7785842db9368 EN eng Canadian Science Publishing https://doi.org/10.1139/facets-2020-0096 https://doaj.org/toc/2371-1671 doi:10.1139/facets-2020-0096 2371-1671 https://doaj.org/article/1bae541b303440809da7785842db9368 FACETS, Vol 6, Iss 1, Pp 1069-1087 (2021) arctic shipping sea ice climate change navigability northwest passage Education L Science Q article 2021 ftdoajarticles https://doi.org/10.1139/facets-2020-0096 2022-12-31T11:55:51Z There have been rapid recent reductions in sea ice age and extent in the Canadian Arctic, but little previous analysis of how this has impacted the navigability of Arctic shipping. In this study we analyze how navigability changed over the period 1972–2016 by converting Canadian Ice Service ice charts to shipping navigability charts for different hull strength classifications based on the Arctic Ice Regime Shipping System. Analysis focuses on the southern route of the Northwest Passage, and the Arctic Bridge route across Hudson Bay, for changes in early-season (∼25 June), mid-season (∼3 September), and late-season (∼15 October) conditions. Results reveal that there has been a marked easing in shipping navigability for all vessels over the past decade, driven by reductions in the area and age of sea ice, particularly across the southern route of the Northwest Passage. Both medium (Type B) and little (Type E) ice strengthened vessels were able to transit the full length of this route in the middle part of the shipping season in 2012–2016, but not in 1972–1976 or 1992–1996. Article in Journal/Newspaper Arctic Climate change Hudson Bay Northwest passage Sea ice Directory of Open Access Journals: DOAJ Articles Arctic Hudson Hudson Bay Northwest Passage FACETS 6 1069 1087 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
arctic shipping sea ice climate change navigability northwest passage Education L Science Q |
spellingShingle |
arctic shipping sea ice climate change navigability northwest passage Education L Science Q Luke Copland Jackie Dawson Adrienne Tivy Frances Delaney Alison Cook Changes in shipping navigability in the Canadian Arctic between 1972 and 2016 |
topic_facet |
arctic shipping sea ice climate change navigability northwest passage Education L Science Q |
description |
There have been rapid recent reductions in sea ice age and extent in the Canadian Arctic, but little previous analysis of how this has impacted the navigability of Arctic shipping. In this study we analyze how navigability changed over the period 1972–2016 by converting Canadian Ice Service ice charts to shipping navigability charts for different hull strength classifications based on the Arctic Ice Regime Shipping System. Analysis focuses on the southern route of the Northwest Passage, and the Arctic Bridge route across Hudson Bay, for changes in early-season (∼25 June), mid-season (∼3 September), and late-season (∼15 October) conditions. Results reveal that there has been a marked easing in shipping navigability for all vessels over the past decade, driven by reductions in the area and age of sea ice, particularly across the southern route of the Northwest Passage. Both medium (Type B) and little (Type E) ice strengthened vessels were able to transit the full length of this route in the middle part of the shipping season in 2012–2016, but not in 1972–1976 or 1992–1996. |
format |
Article in Journal/Newspaper |
author |
Luke Copland Jackie Dawson Adrienne Tivy Frances Delaney Alison Cook |
author_facet |
Luke Copland Jackie Dawson Adrienne Tivy Frances Delaney Alison Cook |
author_sort |
Luke Copland |
title |
Changes in shipping navigability in the Canadian Arctic between 1972 and 2016 |
title_short |
Changes in shipping navigability in the Canadian Arctic between 1972 and 2016 |
title_full |
Changes in shipping navigability in the Canadian Arctic between 1972 and 2016 |
title_fullStr |
Changes in shipping navigability in the Canadian Arctic between 1972 and 2016 |
title_full_unstemmed |
Changes in shipping navigability in the Canadian Arctic between 1972 and 2016 |
title_sort |
changes in shipping navigability in the canadian arctic between 1972 and 2016 |
publisher |
Canadian Science Publishing |
publishDate |
2021 |
url |
https://doi.org/10.1139/facets-2020-0096 https://doaj.org/article/1bae541b303440809da7785842db9368 |
geographic |
Arctic Hudson Hudson Bay Northwest Passage |
geographic_facet |
Arctic Hudson Hudson Bay Northwest Passage |
genre |
Arctic Climate change Hudson Bay Northwest passage Sea ice |
genre_facet |
Arctic Climate change Hudson Bay Northwest passage Sea ice |
op_source |
FACETS, Vol 6, Iss 1, Pp 1069-1087 (2021) |
op_relation |
https://doi.org/10.1139/facets-2020-0096 https://doaj.org/toc/2371-1671 doi:10.1139/facets-2020-0096 2371-1671 https://doaj.org/article/1bae541b303440809da7785842db9368 |
op_doi |
https://doi.org/10.1139/facets-2020-0096 |
container_title |
FACETS |
container_volume |
6 |
container_start_page |
1069 |
op_container_end_page |
1087 |
_version_ |
1766308289696497664 |