Sentences with phrase «scientists drilled a core»

For example, to obtain temperature records from tree rings, scientists drill cores into several trees that are growing in a region.
For the South Pole Ice Core project, in which scientists drilled a core from 2014 to 2016 and continue the research today, Casey and her NASA colleagues helped analyze satellite, airborne and field data to select a place to drill the ice core.

Not exact matches

The drill hole intersected a thick repetitive sequence of mafic and felsic sediments which showed no major structural deformation, a potential host for gold mineralisation, with geochemical analysis revealing alteration and mineralisation based on micro analysis of the cores by world class scientists from CODES in Tasmania.
Australian scientists have welcomed the success of a five - year Greenland ice core drilling project that is expected to reveal a record of more than 130 000 years and provide an insight into future global climate.
Their scientists flew more than 250,000 kilometres across much of West Antarctica — including the areas draining to the Ross and Ronne ice shelves — and part of East Antarctica, including the famous ice - core - drilling sites Vostok and Dome C.
Scientists drilling ice cores out of Greenland have found lead from fly ash, a byproduct of coal combustion, dating back to the era.
Scientists spent a month in Denali National Park in 2013 drilling ice cores from the summit plateau of Mt. Hunter.
Using sediment cores, long cylinders drilled into the marsh floor that offer scientists a look back through time, they were able to reconstruct sea - level changes since 1788.
To investigate the climate changes of the past, the scientists are studying drill cores from the eternal ice.
Although scientists have analysed gases from tiny bubbles trapped in ice cores drilled in polar ice caps, there are doubts about how closely the composition of the bubbles matches that of the atmosphere at the time they were trapped (see New Scientist, Science, 22 August).
Lonnie Thompson, an earth scientist at The Ohio State University's Byrd Polar Research Center who also is not part of the project and has been drilling ice cores on the world's highest mountain ranges for 38 years.
In 1959, the U.S. Army Corps of Engineers built the subterranean city under the guise of conducting polar research — and scientists there did drill the first ice core ever used to study climate.
After drilling ice core containing thousands of years of accumulated caribou dung (shown above), scientists recovered the complete genome of a DNA virus and the partial genome of an RNA virus from frozen feces dated to 700 years old, they report online today in the Proceedings of the National Academy of Sciences.
While a team of Russian scientists were drilling ice core samples from their Vostok base in Antarctica, new satellite imagery revealed the outline of a lake the size of New Jersey buried two miles underneath the ice.
Previous research by Box using ice cores — long cylinders drilled out of the ice sheet that let scientists sample hundreds of years of ice layers — showed that in the past, snowfall has increased over the ice sheet as temperatures have risen.
A plan to drill to the centre of the Earth and detonate some nukes to restart the core spinning again is hatched, and a very Freudian high - tech drilling machine piloted by a group of scientists is launched.
Last month, in an excellent piece of research (Sigl et al., 2015) by a collaboration including Earth scientists, dendrochonologists, and historians, the chronology of the Greenland North Eemian Ice Drilling core (NEEM) has been reassessed and re-dated, confirming that such an offset does indeed exist in the GICC05 timescale below AD 1000.
A team of scientists will drill into the core of the ice in Eastern Antarctica.
The sediment retrieved during the drilling operation provided the scientists with a snapshot of the «complete 3.6 million year record» of the lake, chronicled in pollen and other climate imprints, or proxies, trapped in the sediment core.
To collect a record of the last 100 or so years, the scientists donned scuba gear and drilled cores from living boulder corals.
In the paleoceanography and paleoclimatology communities, however, scientists generally store their physical samples in their own facilities, unless they are affiliated with international core drilling programs, which maintain centralized archives.
The scientists failed to notice that most cores drilled from the seabed could not in fact record a abrupt change.
We can also look to the past, which is what a group of scientists including Scripps Institution of Oceanography, UC San Diego geoscientist Jeff Severinghaus have done, by drilling a 2.5 - kilometer (1.6 - mile) ice core from some of the oldest ice in Greenland.
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