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yep and it is heating up and natural or not it is looking like the ice flow rate is accelerating.
When a glacier starts to move faster its bottom generates heat that melts water and lubricates the motion. Making it move faster. There was a 10% to 20% increase in flow after the prior ice berg broke off.
The Greenland ice sheet is 400,000 to 800,000 years old, more then 80% of Greenland has been covered in an ice sheet. But in the late 900's when Scandinavian and Icelandic explorers established at least two settlements, it was called Greenland by Erik the Red as a marketing ploy, so to speak, like Pleasant Valley, Bella Vista denote a pleasant valley and beautiful views, to attract more settlers. The southern coast was greener then its normal state, but it did not last long. That period of time is knowns as the Medieval Warm Period and was not world wide, it pretty much affected Canada's north east territory, Greenland, Iceland and parts of northern Europe, but plunged Eurasia on over to Alaska into a cold period.
The concerns with these northern glaciers calving off is that those sea based ice sheet extensions help hold back the land based glacier and without those to hold it back, the land sheet advances toward the sea and its warmth, thus hastening the melting of the land ice and that is what raises the ocean level.
Being near the equator, and knowing the characteristics of water - melting ice would flood (or create higher water levels near) the regions near the poles before as the water dispersed southward (in Greenland's case).
So we will have advance warning of a major event in the U.S. resulting from melting ice in the north polar regions.
^Reading books isn't the same as understanding them OR the issue.
Nobody is claiming that climate doesn't change.
One of the most basic errors that deniers always make is that science-believers don't accept that climate changes naturally.
It has to stop.
Reading books (especially for 30+ years) certainly helps understand the issue more than not reading any books on that topic.
If nobody is claiming the climate doesn't change, whey do I keep hearing the phrase "climate deniers?"
Right, climate does change naturally. That is the main point here! It's kind of hard not to "believe" in science because science does exist. But we certainly should not believe everything the scientists claim (especially the ones who receive grants).
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