Nyt fra gletcherne

Diverse — Drokles on May 30, 2012 at 7:13 am

I Afrika, der endnu ikke er blevet som en ovn, er der godt nyt for fans af oplagret og ubrugeligt vand fortæller ETN

Constituting the highest mountain in Africa, Mount Kilimanjaro is slowly building up its snow cover, allaying the fears of prominent scientists who had predicted witnessing the eminence lose its famous white hat. The drifts are slowly thickening on the top point of this summit, giving new hopes to Mount Kilimanjaro environmental watchdogs and tourists that the peak may not lose its beautiful snowy cap, as scientific experts have long been warning.

Isen på Grønland (Først når de får fod under eget bord hedder det i Grønland) vil næppe smelte lige med det første, hvis vi skal tro Steven Goddard

Long-forgotten aerial photographs of Greenland from the 1930s, rediscovered in a castle outside Copenhagen, have allowed researchers to construct a history of glacier retreat and advance in the area.

Most studies of Greenland’s glaciers have been done only since imaging satellites became available in the 1970s, so the data are relatively short-term. But using photographs from 1930s aerial surveys of the southeast coast of Greenland, together with US military aerial shots from the Second World War and recent satellite images, Bjørk and his colleagues have been able to observe changes at high spatial resolution from a period in which few glacier measurements were previously available.

Analysis of the images reveals that over the past decade, glacier retreat was as vigorous as in a similar period of warming in the 1930s

Og skulle forholdene ændre sig vil det ikke betyde stort ifølge The Hockey Schtick

A paper from a paleoclimatology workshop finds that the southern dome of Greenland did not melt away during the extreme natural climate change of the “Eemian interglacial (125,000 years ago), when annual mean temperatures over Greenland were [about] 5°C warmer than now for some millenia [thousands of years].” The author asks, “will [the southern dome of Greenland] melt away for the first time in 400,000 years?” and concludes, “Probably not.”  The IPCC claims [non-existent] positive feedback from water vapor could lead to 3°C warming from doubled CO2 levels, but lessons from the geological past show that even if the globe warmed 2°C more to 5°C warmer than the present for thousands of years, neither the northern nor southern domes of Greenland would melt away. 

Og Phys.Org News siger sjovt nok at det er besværligt for olieindustrien

Unveiling a newly refurbished ice-class rig that is poised to begin drilling two exploratory wells this summer in the , Shell executives said Friday that the unusually robust sea ice would further narrow what already is a tight window for operations. The company’s $4-billion program is designed to measure the extent of what could be the United States’ most important new inventory of oil and gas.

(..)

“I do think it’s going to be a slow breakup this year,” Kathleen Cole, sea ice program leader for the weather service, told the Los Angeles Times.

The result is that while Canadian waters in the far northern Atlantic have relatively low ice levels, Alaska is an iceberg - at least for now.

Men nogen steder smelter isen faktisk skyder Daily Mail ind og det er ikke blot i min sjus

Bolivia’s glaciers are melting - much faster than first predicted, and the blame is falling on airborne aerosol particles.

The Chacaltaya glacier made its slow trek down the Cordillera Real Mountains for 18,000 years.

By 2009 the glacier in southern America had gone, and even that was sooner than expected for researchers, who estimated in the 1990s that it would survive into 2015.

Now researcher Franceso Zaratti, from the Higher University of San Andres, suggests that aerosol particles are landing on the glaciers and speeding up their demise.

De er altså nogle møgsvin på den nedre del af jordkuglen.

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