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Own work, data:Vinther et al. (2011), Greenland Ice Sheet Holocene d18O, Temperature, and Surface Elevation, IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series # 2011-053. Author: DeWikiMan: Other versions: File:HoloceneTemperatureOfGreenland_VintherEtAl2009-de.svg, German Version
The Greenland ice sheet is 3 kilometers (1.9 mi) thick and broad enough to blanket an area the size of Mexico.The ice is so massive that its weight presses the bedrock of Greenland below sea level and is so all-concealing that not until recently did scientists discover Greenland's Grand Canyon or the possibility that Greenland might actually be three islands.
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Highest dew point temperature: A dew point of 35 °C (95 °F) — while the temperature was 42 °C (108 °F) — was observed at Dhahran, Saudi Arabia, at 3:00 p.m. on 8 July 2003. [ 201 ] Highest heat index : In the observation above at Dhahran, Saudi Arabia, the heat index ("feels like" temperature) was 81.1 °C (178.0 °F).
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New research suggests the Greenland ice sheet is on track to cross a critical threshold that could cause runaway melting, but that it’s also possible the threshold will be crossed temporarily, ...
A July 2006 study completed by "The Journal of Climate", determined that the melting of Greenland's ice sheets was the single largest contributor to global sea level rise. [11] The temperatures from the year 2000 to the present have caused several very large glaciers that had long been stable, to begin to melt away.
A substantial achievement of the last 30 years of climate science has been the production of a large set of actual measurements of temperature history (from physical proxies), replacing much of the earlier geological induction (i.e. informed guesses). The graph shows selected proxy temperature estimates, which are detailed below.