melting glaciers – Page 2 – आवारा मुसाफिर

Glacier melting linked to shifting westerlies and likely to accelerate

December 15, 2022754 Views

The combination of global atmospheric warming and westerly winds shifting toward the poles will likely speed up the recession of mountain glaciers in both hemispheres, according to a UMaine study. Mountain glaciers freeze and gain mass when the climate cools, and melt and lose mass when the climate warms. The extent to which the fluctuations in mountain glaciers are reflective of local, regional and even hemispheric climate variations, however, is less clear, which has made it more difficult for scientists to use glacial data to interpret past climate dynamics and make predictions for the future. A team of researchers from the University of Maine conducted a National Science Foundation-funded study evaluating how atmospheric conditions are reflected in the mass fluctuations of m...

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Major glaciers, including Dolomites and Yosemite, to disappear by 2050 – U.N. report

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November 3, 2022550 Views

Some of the world's most famous glaciers, including in the Dolomites in Italy, the Yosemite and Yellowstone parks in the United States and Mount Kilimanjaro in Tanzania are set to disappear by 2050 due to global warming, whatever the temperature rise scenario, according to a UNESCO report. FILE PHOTO: Visitors near Glacier Point wait for the sun to rise in Yosemite National Park, California, U.S. July 2, 2021. REUTERS/Tracy Barbutes The United Nations cultural agency UNESCO monitors some 18,600 glaciers across 50 of its World Heritage sites and said that glaciers in one third of World Heritage sites will disappear by 2050 regardless of the applied climate scenario. While the rest can be saved by keeping global temperature rise below 1.5 degree Celsius (2.7 Fahrenheit) relative to...

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As Himalayan glaciers melt, a water crisis looms in South Asia

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October 8, 2022891 Views

Warmer air is thinning most of the vast mountain range’s glaciers, known as the Third Pole because they contain so much ice. The melting could have far-reaching consequences for flood risk and for water security for a billion people who rely on meltwater for their survival. Spring came early this year in the high mountains of Gilgit-Baltistan, a remote border region of Pakistan. Record temperatures in March and April hastened melting of the Shisper Glacier, creating a lake that swelled and, on May 7, burst through an ice dam. A torrent of water and debris flooded the valley below, damaging fields and houses, wrecking two power plants, and washing away parts of the main highway and a bridge connecting Pakistan and China. Pakistan’s climate change minister, Sherry Rehman, tweeted vide...

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Worst melt year on record for Swiss glaciers

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September 28, 2022471 Views

Swiss glaciers have recorded their worst melt rate since records began more than a century ago, losing 6% of their remaining volume this year or nearly double the previous record of 2003, monitoring body GLAMOS said on Wednesday. The melt was so extreme this year that bare rock that had remained buried for millenia re-emerged at one site while bodies and even a plane lost elsewhere in the Alps decades ago were recovered. Other small glaciers all but vanished. FILE PHOTO: Glaciologist Andreas Linsbauer and assistant Andrea Millhaeusler stand on a border moraine of the Pers Glacier near the Alpine resort of Pontresina, Switzerland July 21, 2022. REUTERS/Arnd Wiegmann "We knew with climate scenarios that this situation would come, at least somewhere in the future," Matthias Huss, he...

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Rocky path revealed between Swiss glaciers in extreme melt season

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September 11, 2022909 Views

A rocky Alpine path between two glaciers in Switzerland is emerging for what the local ski resort says is the first time in at least 2,000 years after the hottest European summer on record. Hikers walk past the newly uncovered Zanfeluron path, as a split of the Sex-Rouge and the Zanfleuron Glacier revealed the path for the first time in 2000 years due to this summer heatwave, at Glacier 3000 in Les Diablerets, Switzerland, September 11, 2022. REUTERS/Denis Balibouse The ski resort of Glacier 3000 in western Switzerland said this year's ice melt was around three times the 10-year average, meaning bare rock can now be seen between the Scex Rouge and the Zanfleuron glaciers at an altitude of 2,800 metres and the pass will be completely exposed by the end of this month. "About 10 yea...

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Its getting tougher for glaciers to recover from climate warming

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May 10, 2022334 Views

A team of scientists from Stockholm University and University of California Irvine investigated whether the Petermann Ice Shelf in northern Greenland could recover from a future breakup due to climate change. They used a sophisticated computer model to simulate the potential recovery of the ice shelf. “Even if Earth’s climate stopped warming, it would be difficult to rebuild this ice shelf once it has fallen apart”, says Henning Åkesson, who led the study at Stockholm University. “If Petermann’s ice shelf is lost, we would have to go ‘back in time’ towards a cooler climate reminiscent of the period before the industrial revolution to regrow Petermann”, Åkesson says. A crack In Petermann Ice Shelf observed by an international team of scientists during the Oden Expedition in 2019. ...

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Why Patagonia is rising as glaciers melt!

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February 28, 20221352 Views

Seismic study reveals how newly unburdened earth rebounds and rises The icefields that stretch for hundreds of miles atop the Andes mountain range in Chile and Argentina are melting at some of the fastest rates on the planet. The ground that was beneath this ice is also shifting and rising as these glaciers disappear. Geologists have discovered a link between recent ice mass loss, rapid rock uplift and a gap between tectonic plates that underlie Patagonia. Scientists at Washington University in St. Louis, led by seismologist Douglas Wiens, the Robert S. Brookings Distinguished Professor in Arts & Sciences, recently completed one of the first seismic studies of the Patagonian Andes. In a new publication in the journal Geophysical Research Letters, they describe and map out local...