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Topic - Climate
Posted: 21 Jul 2024 at 1:57am By Dutch Josh
DJ, A few recent posts from https://forum.arctic-sea-ice.net/index.php/topic,4176.650.html or https://forum.arctic-sea-ice.net/index.php/topic,4176.650.html ;

Re: The 2024 melting season
« Reply #653 on: July 16, 2024, 03:02:07 PM »
For those of you who aren't following the CO2 thread here, just a heads-up that the past few weeks have been ridiculous.

CO2 levels usually start to drop in late May or early June, towards the yearly minimum in September/October. That's just not happening this year. We're still at the same levels now that we've seen in April-June.

I don't know how this will affect the melting season, but it can't be good.
« Last Edit: July 16, 2024, 03:08:29 PM by Renerpho »
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Before I came here I was confused about this subject. Having listened to your lecture I am still confused. But on a higher level.

NeilT

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Re: The 2024 melting season
« Reply #654 on: July 16, 2024, 06:18:40 PM »
I usually dip into CO2 on and off during the year.  But mostly I look around Jan/Feb time to see what the combined number will be.

The more interesting thing is the annual average growth per decade which is in the list below.

   Decade end_____Decadal annual average growth
   1968      0.8   
   1978      1.2   
   1988      1.7   
   1998      1.5   
   2008      1.9   
   2018      2.3   


However for 2019 onwards, each year is either 2.4 or 2.5 for average growth with the trend moving up towards 2.5.  Which will push us much further to 440ppm by the end of this decade.

Essentially we should be expecting completely crazy metrics with this level of growth.  By the end of the 2019-2028 decade we should have added 24ppm-25ppm to the baseline of 2018.

Point to note, Mt Pinatubo is really visible here.

[edit]

Which, in relevance to this thread, means more melt for less input.
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Re: The 2024 melting season
« Reply #655 on: July 17, 2024, 12:29:48 PM »
the drop in global sea ice extent is looking almost unbelievable at the moment  .......is it linked to the  Antarctic Stratospheric warming event  ?    ......ground levels temps are just average ....

https://climatereanalyzer.org/clim/t2_daily/?dm_id=antarctic



Why does it matter ? 

-In my view climate collapse=pandemics...
-Also on the sea-ice forum people try to get a view on a very complex matter (and some come to very alarming conclusions)
-One of the major questions is "the weight" single events may have on the "big picture"-can a hurricane bringing warm air/rain to the Arctic cause a collapse of Arctic (sea)ice ? 

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