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ICE WORLD
Bolivian glacier samples ready for global ice archives
By Alice Campaignolle
La Paz (AFP) June 22, 2017


Scientists studying global warming recently climbed Bolivia's towering Mount Illimani and extracted samples of glacier ice packed with thousands of years of climate data.

The international ICE Memory project team braved low oxygen and bitter, ice-cold wind that whipped them mercilessly at an altitude of 6,300 meters to drill deep into the glacier and pull out two cylinders of ice.

The weather was too dangerous for the team to extract a third sample as originally planned.

The ICE Memory project members, which have completed a similar task at Mont Blanc in the Alps, will take their samples to a research station in Antarctica.

One of the samples will be studied, and the other one preserved.

Their goal is to create an "ice archive sanctuary in Antarctica ... in an effort to preserve ice cores from the world's key endangered glaciers," according to the group's website, which is sponsored by the French and Italian national commissions for UNESCO.

That way, future scientists "will still have enough high-quality raw material to investigate and make future discoveries," says the site.

"This second expedition has been a fantastic collective success," said Patrick Ginot, ICE Memory expedition coordinator.

- 18,000 years of information -

The team of 15 scientists from France, Russia, Brazil and Bolivia, supported by some 30 porters and guides, faced extreme conditions in their May 22-June 18 quest for the ice samples.

One of the samples taken reached all the way down to the bedrock at a depth of 137 meters into the glacier, and the second to 134 meters, ICE Memory said. These long shafts of ice were then cut into smaller lengths and taken away in heatproof cylinders.

The samples were treated as precious relics once they were returned to base camp and carefully stored for transportation.

Scientists say that the glacier at Mount Illimani has 18,000 years' worth of weather and environmental data for a broad region between the Bolivian highlands and the country's Amazon rainforest region.

Mount Illimani, located in La Paz department, is part of the Cordillera Real, one of Bolivia's two ice and snow covered mountain ranges.

The glaciers, however, are threatened by global warming and mining activity, something locals have complained about this year.

- Glacier threatened -

ICE Memory "is a wonderful adventure in collaboration and trust among nations, scientists and private sponsors who embrace their duty to address global warming," said Jerome Chappellaz, director of France's National Center for Scientific Research and also the scientific coordinator for the glacier project.

Chappellaz said in March that the archives of climate data at the bottom of glaciers are in danger due to global warming.

As temperatures rise, water leaks into the glaciers and washes away geochemicals that scientists seek to study.

In April, thousands of native people who live around Mount Illimani brought the capital La Paz to a standstill as they marched in protest demanding that the glacier be preserved.

They want the government to pass a law declaring it to be part of Bolivia's natural heritage and bar any activity that will contaminate melted glacier runoff that they use for farming.

ICE WORLD
Montana's glaciers are disappearing
(UPI) May 10, 2017
According to a new survey, Montana's glaciers have been rapidly shrinking over the last 50 years. In 1966, Montana was home to 39 named glaciers - stable bodies of ice larger than 25 acres, the threshold for what is considered a "glacier." Today, just 26 glaciers meet the definition. Over the last five decades, those 39 glaciers have shrunk an average of 39 percent and some have ... read more

Related Links
Beyond the Ice Age


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