Climate Denial Crock of the Week

3 Responses to “New Animation: Global and Regional Sea Ice Cover”

1. grindupbaker Says:

   
   October 4, 2019 at 12:18 pm

   Thanks, it’s a handy presentation. Volume anomaly is the clearer indicator for Arctic Ocean sea ice (I don’t know the Antarctic sea ice situation details). It’s my understanding that it’s mostly reduction of autumn/winter freezing degree-days reducing Arctic Ocean sea ice though I haven’t done calculations yet. The global warming contribution from Arctic Ocean sea ice spring/summer sea ice reduction so far (last ~40 years I assume) has been 0.21 w/m**2 (23%) with 0.71 w/m**2 (77%) remaining to occur from now until there is no Arctic Ocean sea ice. The total 0.92 w/m**2 gives 0.72 degrees global warming with 0.54 degrees (75%) over 100 years with Jim Hansen oceans.

   Reply
   • rhymeswithgoalie Says:

     
     October 4, 2019 at 8:09 pm

     I agree about Arctic sea ice volume in terms of heat, but coverage matters in terms of many other attributes.

     I think the skirt around Antarctica might become more solid based on the increased freshwater layer from increasing melt, paradoxically.

     Reply
2. rhymeswithgoalie Says:

   
   October 4, 2019 at 8:07 pm

   I loves me some Kevin Pluck.

   Reply

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