List members , to those in this group who are more scientifically inclined , please do read this entire article and then you can have a good hearty laugh !! :)) It exposes the utter foolishness of mainstream climate science , that has always attributed the melting of ice sheets to global warming via the atmosphere .
They now have egg all over their faces to admit that the base of the Greenland glacier is upto 10 degrees centigrade warmer than the surface , in some areas of the Greenland ice sheet .
You see , heat from a planet's core can reach it's surface via two routes : geothermal vents or even direct openings into the planet's hollow interior . There is also a secondary manner in which a planet's core can affect it's climate at the surface - via the planet's electromagnetic field that emanates from the planetary core !
'Ice sheet melt caused by heat from Earth core not just global warming': NEW REPORT CLAIMS
UPDATE
By Jon Austin
PUBLISHED: 17:24, Thu, Aug 4, 2016 | UPDATED: 12:27, Thu, Oct 27, 2016
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Heat from the earth's core is melting the base of the Greenland ice sheet.
On
the 15 October 2016 this article was amended. The headline originally stated 'CLIMATE CHANGE SHOCK: Ice sheet melt caused by heat from Earth's
core NOT global warming' and the first paragraph stated 'The MASSIVE Greenland ice sheet is being melted as a result of heat emitted from the
Earth, rather than rising atmospheric temperatures, a new NASA study has claimed'. In fact whilst the report has explored the role that archaic heat from the Earth's core plays on the melting of the Greenland
ice sheet the report does not claim to rule out the effects of a warming climate upon the ice sheet.
···
THE
MASSIVE Greenland ice sheet is being melted as a result of heat emitted
from within the Earth, rather than solely rising atmospheric temperatures, a new NASA study has claimed.
The US space agency, which uses satellites orbiting the earth to monitor the environment and study climate change, looked at how much the the huge ice sheet was still attached to bed rock underneath.
For the first time, the agency obtained a series of temperatures from the base of the sheet - the second biggest in the world after that in the Antarctic - and found it was up to tens of degrees warmer at the base than the surface.
The Greenland ice sheet is around 1,500 miles north to south and up to 680 miles across.
Scientists found alarmingly high areas of ice at the base of the sheet had melted and come free from the bedrock below.
But they also said it was heat coming out of the bedrock itself which was causing the melting.
This means the ice sheet would melt from below anyway even if global warming was not taking place.
A
NASA spokesman said: "Greenland’s thick ice sheet insulates the bedrock
below from the cold temperatures at the surface, so the bottom of the ice is often tens of degrees warmer than at the top, because the ice bottom is slowly warmed by heat coming from the Earth’s depths.
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"Knowing whether Greenland’s ice lies on wet, slippery ground or is anchored to dry, frozen bedrock is essential for predicting
how this ice will flow in the future, but scientists have very few direct observations of the thermal conditions beneath the ice sheet, obtained through fewer than two dozen boreholes that have reached the bottom.
The map shows parts of the ice sheet that are likely thawed (red), frozen (blue) or uncertain (grey)
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"Now,
a new study synthesises several methods to infer the Greenland Ice Sheet’s basal thermal state – whether the bottom of the ice is melted or
not – leading to the first map that identifies frozen and thawed areas across the whole ice sheet."
But the news does not mean NASA has ruled out the fear of the effects of a warming climate, as this would likely speed up the overall melting.
It will use the new map to better predict how the ice sheet will react to a warming climate.
Joe
MacGregor, lead author of the study and a glaciologist at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, said: "We’re ultimately interested in understanding how the ice sheet flows and how it will behave in the future.
“If the ice at its bottom is at the melting point temperature, or thawed, then there could be enough liquid water there for the ice to flow faster and affect how quickly it responds to climate change.”
For the study, published in the Journal of Geophysical Research – Earth Surface, Mr MacGregor’s team combined four different approaches to investigate the basal thermal state.
First, they examined results from eight recent computer models of the ice sheet, which predict bottom temperatures.
Secondly,
they studied the layers that compose the ice sheet itself, which are detected by radars onboard NASA’s Operation IceBridge aircraft and suggest where the bottom of the ice is melting rapidly.
CLARIFICATION
On
the 15 October 2016 this article was amended. The headline originally stated 'CLIMATE CHANGE SHOCK: Ice sheet melt caused by heat from Earth's
core NOT global warming' and the first paragraph stated 'The MASSIVE Greenland ice sheet is being melted as a result of heat emitted from the
Earth, rather than rising atmospheric temperatures, a new NASA study has claimed'. In fact whilst the report has explored the role that archaic heat from the Earth's core plays on the melting of the Greenland
ice sheet the report does not claim to rule out the effects of a warming climate upon the ice sheet.
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Thirdly,
they looked at where the ice surface speed measured by satellites exceeds its “speed limit”, the maximum velocity at which the ice could flow and still be frozen to the rock beneath it.
Finally, they studied imagery from the Moderate Resolution Imaging Spectroradiometers on the NASA Terra and Aqua satellites looking for rugged surface terrain
that is usually indicative of ice sliding over a thawed bed.
Mr MacGregor said: "Each of these methods has strengths and weaknesses. Considering just one isn’t enough. By combining them, we produced the first large-scale assessment of Greenland’s basal thermal state."
For
each method, the team looked for areas where the technique confidently inferred that the bed of Greenland’s ice sheet was thawed or frozen.
They then looked at the places where these methods agreed and classified these areas as likely thawed or likely frozen.
The zones where there was insufficient data or the methods disagreed, they classified as uncertain.
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From
this synthesis, Mr MacGregor and his colleagues determined the bed is likely thawed under Greenland’s southwestern and northeastern ice drainages, while it’s frozen in the interior and west of the ice sheet’s
central ice divide.
For a third of the Greenland ice sheet, there’s not enough data available to determine its basal thermal state.
Mr MacGregor said the team’s map is just one step in fully assessing the thermal state of the bottom of Greenland’s ice sheet.
He
said: "I call this the piñata, because it’s a first assessment that is bound to get beat up by other groups as techniques improve or new data are introduced.
"But that still makes our effort essential, because prior to our study, we had little to pick on."
Climate change campaigners remain concerned and insist summer melting of the ice sheet is increasing year on year.
In
July 2012 a large ice sheet twice the size of Manhattan (46 square miles) broke free from the Petermann glacier in northern Greenland.
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