No early breakup for W Hudson Bay sea ice once more this 12 months: polar bears nonetheless on the ice

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From Polar Bear Science

Posted on June 14, 2020 | Feedback Off on No early breakup for W Hudson Bay sea ice once more this 12 months: polar bears nonetheless on the ice

No early breakup of Hudson Bay sea ice once more this 12 months: there’s nonetheless in depth thick first 12 months ice over most of Hudson Bay and all feminine polar bears fitted with monitoring collars in Western Hudson Bay are nonetheless on the ice:

W Hudson Bay polar bears nonetheless out on the ice that’s packed collectively by winds. AE Derocher, 12 June 2020

Dercocher June 12 2020 tracking map Hudson Bay

Breakup of Hudson Bay sea ice because it pertains to polar bear motion to land has been about the identical since 1999 (about 2 weeks sooner than within the 1980s) and this 12 months is shaping as much as be no totally different: there’s nonetheless no declining development in date of sea ice breakup in Western Hudson Bay regardless of repeated predictions of imminent doom. An particularly ‘early’ breakup 12 months would have bears ashore earlier than 15 June. Final 12 months (2019) the primary WH bear onshore was caught on movie 5 July and downside bears weren’t recorded onshore in Churchill till the 2nd week of July.

Sea ice in Canada together with Hudson Bay

Sea ice extent Canada 2020 June 12Sea ice extent Canada 2020 June 12

Sea ice in Hudson Bay by ice thickness

Sea ice by stage of improvement (week of eight June 2020):

Hudson Bay stage of development week of 2020 June 8Hudson Bay stage of development week of 2020 June 8

Final 12 months at the moment (week of 10 June 2019):

Hudson Bay weekly stage of development 2019 June 10Hudson Bay weekly stage of development 2019 June 10

And in 2018 (week of 11 June 2018):

Hudson Bay weekly stage of development 2018 June 11Hudson Bay weekly stage of development 2018 June 11

The Arctic image

At 12 June 2020 (Day 164), sea ice over the complete Arctic seemed like this:

masie_all_zoom_4km at 12 June 2020 Day 164masie_all_zoom_4km at 12 June 2020 Day 164

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