On the spatial and temporal variability of ice arches associated with the formation of the North Water (NOW) Polynya
The formation and dissolution of the North Water Polynya (an area of open water surrounded by a sea-ice covered ocean) was examined to determine the spatial and temporal variability of the Smith Sound ice arch (a feature that prevents ice from covering the polynya). A passive microwave, sea ice conc...
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ftunivmanitoba:oai:mspace.lib.umanitoba.ca:1993/31197 2023-06-18T03:39:28+02:00 On the spatial and temporal variability of ice arches associated with the formation of the North Water (NOW) Polynya Stark, Heather Barber, David (Environment and Geography) Mundy, C.J. (Environment and Geography) McKernan, Mike (Centre for Earth Observation Science) 2016 application/pdf http://hdl.handle.net/1993/31197 eng eng http://hdl.handle.net/1993/31197 open access sea ice Arctic North Water Polynya master thesis 2016 ftunivmanitoba 2023-06-04T17:43:47Z The formation and dissolution of the North Water Polynya (an area of open water surrounded by a sea-ice covered ocean) was examined to determine the spatial and temporal variability of the Smith Sound ice arch (a feature that prevents ice from covering the polynya). A passive microwave, sea ice concentration dataset was used to create an index classification algorithm that categorized the formation and dissolution of the North Water Polynya from 1979 to 2012. Multiple years were classified as atypical, with the polynya forming earlier, the ice arch not forming at Smith Sound, or the ice arch not forming at all. Secondly, we compare and contrast atmospheric factors that influenced the formation of the ice arch during a typical (2010-2011) and an atypical (2009-2010) formation year. A significant southerly wind event in 2009-2010 could have displaced the ice pack and prevented the consolidation of the ice arch. The importance of the changing ice pack in Nares Strait to the formation of the polynya is also discussed. May 2016 Master Thesis Arctic ice pack Nares strait Sea ice Smith sound MSpace at the University of Manitoba Arctic Nares ENVELOPE(158.167,158.167,-81.450,-81.450) Smith Sound ENVELOPE(-73.996,-73.996,78.419,78.419) |
institution |
Open Polar |
collection |
MSpace at the University of Manitoba |
op_collection_id |
ftunivmanitoba |
language |
English |
topic |
sea ice Arctic North Water Polynya |
spellingShingle |
sea ice Arctic North Water Polynya Stark, Heather On the spatial and temporal variability of ice arches associated with the formation of the North Water (NOW) Polynya |
topic_facet |
sea ice Arctic North Water Polynya |
description |
The formation and dissolution of the North Water Polynya (an area of open water surrounded by a sea-ice covered ocean) was examined to determine the spatial and temporal variability of the Smith Sound ice arch (a feature that prevents ice from covering the polynya). A passive microwave, sea ice concentration dataset was used to create an index classification algorithm that categorized the formation and dissolution of the North Water Polynya from 1979 to 2012. Multiple years were classified as atypical, with the polynya forming earlier, the ice arch not forming at Smith Sound, or the ice arch not forming at all. Secondly, we compare and contrast atmospheric factors that influenced the formation of the ice arch during a typical (2010-2011) and an atypical (2009-2010) formation year. A significant southerly wind event in 2009-2010 could have displaced the ice pack and prevented the consolidation of the ice arch. The importance of the changing ice pack in Nares Strait to the formation of the polynya is also discussed. May 2016 |
author2 |
Barber, David (Environment and Geography) Mundy, C.J. (Environment and Geography) McKernan, Mike (Centre for Earth Observation Science) |
format |
Master Thesis |
author |
Stark, Heather |
author_facet |
Stark, Heather |
author_sort |
Stark, Heather |
title |
On the spatial and temporal variability of ice arches associated with the formation of the North Water (NOW) Polynya |
title_short |
On the spatial and temporal variability of ice arches associated with the formation of the North Water (NOW) Polynya |
title_full |
On the spatial and temporal variability of ice arches associated with the formation of the North Water (NOW) Polynya |
title_fullStr |
On the spatial and temporal variability of ice arches associated with the formation of the North Water (NOW) Polynya |
title_full_unstemmed |
On the spatial and temporal variability of ice arches associated with the formation of the North Water (NOW) Polynya |
title_sort |
on the spatial and temporal variability of ice arches associated with the formation of the north water (now) polynya |
publishDate |
2016 |
url |
http://hdl.handle.net/1993/31197 |
long_lat |
ENVELOPE(158.167,158.167,-81.450,-81.450) ENVELOPE(-73.996,-73.996,78.419,78.419) |
geographic |
Arctic Nares Smith Sound |
geographic_facet |
Arctic Nares Smith Sound |
genre |
Arctic ice pack Nares strait Sea ice Smith sound |
genre_facet |
Arctic ice pack Nares strait Sea ice Smith sound |
op_relation |
http://hdl.handle.net/1993/31197 |
op_rights |
open access |
_version_ |
1769004209511858176 |