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Polar Ice Update

Sometimes trying to squash the ignorant canards of climate deniers seems hopeless. For every one you swat, 10 more crop up. For instance, I still get emails from people convinced that ice in the ar...  
 
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JuanVoyce (1 day ago) Show Hide
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why does the sea ice move swirl out of the arctic on the east side of Greenland? what has been the annual rate of decline of multi-year ice in inches? does sea ice melt primarily from the top down or from the bottom up? what is the coefficient of heat transfer in each case? last two questions also for permafrost in a lake bottom
bushonomics (2 weeks ago) Show Hide
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We do have ice data going back thousands of years... in fact tens of thousands. They're called "ice core samples" and much in the manner of tree rings or sedimentary layers, can tell us a great deal about the atmosphere, CO2 levels, rate of growth of the ice, and so forth. It is relatively easy to correlate samples of similar ages from different parts of the world.
Kinetics63 (2 weeks ago) Show Hide
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Too bad you don't have the ice data going back a couple thousand years. Your sample period is a joke. And you are a scientist?
greenman3610 (2 weeks ago) Show Hide
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see the vid Solar Schmolar.
Then google:
Lockwood Oppositely directed forcings
for a recent peer reviewed explanation as to why sunspots, cosmic rays, etc can not be responsible for the current warming.
hint: we have the technology to detect such things.
globalnomad62 (2 weeks ago) Show Hide
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mr greenman, i'm still waiting for your explanation how solar activity (or lack thereof) can cool Europe and only Europe?
seems like you obey mike hulme, prof at uni of east anglia who sees climate change as an intellectual resource to further political interests.
". We need to ask not what we can do for climate change, but what climate change can do for us.
ebaltrace (3 weeks ago) Show Hide
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I live on the Atlantic coast of Florida. From my observations every year the ocean moves further up on to the beach.
I suspect the volume of water in the ocean must be increasing.
We must take action now. But my Republican Christian neighbors are convinced that there is no global warming.
I bought a lot in Arkansas.
Ebal the Atheist
Duboisi (3 weeks ago) Show Hide
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That may also be erosion or a combination of erosion and increased water-levels.

The increase in sea levels are quite small yet, so chances are that it's mostly erosion (that will also increase as weathers become more violent)
ebaltrace (3 weeks ago) Show Hide
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That's quite possible. But it has me worried as I observe the water washing away at the vegetation buffer which used to always be high and dry.
Ebal the Atheist
pseudotruth (3 weeks ago) Show Hide
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globalnomad62

'a clumsy attempt by the UN in 2001 to abolish the medieval warm period, 1-3 C° warmer then than today.'

Drivel. It was a sketch, based upon central England temperatures. The science has made this sketch obsolete.

See:
Hughes & Diaz 2005
'....the available evidence does not support a global Medieval Warm Period....'

Was the Medieval Warm Period Global?
Broecker 2001
'....The case for a global Medieval Warm Period
admittedly remains inconclusive....'
pseudotruth (3 weeks ago) Show Hide
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How Warm Was the Medieval Warm Period?
Crowley & Lowery 2000
'....Despite clear evidence for Medieval warmth greater than present in some individual records, the new hemispheric composite supports the principal conclusion of earlier hemispheric reconstructions and, furthermore, indicates that maximum Medieval warmth was restricted to two-three 2030 year intervals, with composite values during these times being only comparable to the mid-20th century warm time interval....'

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