Sentences with phrase «from ice samples»

Stable carbon isotope ratio analyses on trace methane from ice samples.
In the lab, ancient bacteria from ice samples 420,000 years old, retrieved from more than 2 miles (3 km) inside the ice sheet, have quickly shown signs of life.

Not exact matches

You could have sampled food and drink, in fact, from more than 30 high - end restaurants and vendors, all served from one - of - a-kind stalls each more whimsical than the last — one shaped like Pegasus, another made entirely of ice.
for example... you can go back in ice core samples as far as 800,000 years, and still locked in the ice is a tiny amount of the atmoshpere from that time, telliing us volumes of information.
On top of that geologists have shown from seabed core samples and ice core samples that there was no global flood.
The snacks were divided into subgroups based on product type (fruit drink snacks, licorice, non-dairy ices, ice creams and savories) and their caloric content per portion was compared with the caloric content of reference products derived from the Dutch Food Composition Database [13], using one - sample t - tests.
Byrne Dairy representatives will be on hand to offer free samples of ice cream and quiz the public on dairy trivia from noon to 2 p.m.
Today, over 300 million people visit Baskin - Robbins shops each year to sample ice cream from the brand's library of more than 1,000 flavor creations, as well as enjoy its full array of frozen treats including ice cream cakes, frozen beverages and sundaes.
Local tastemakers were treated to samples from the innovative cocktail program and selection of gourmet bites as well as a first - of - its - kind alcohol - infused soft serve ice cream.
Of course, we also sampled some amazing ice cream from Rococo, an adorable little ice cream shop (ranked 6th in the nation by tripadvisor!)
The smaller samples aregreat for little hands to enjoy snacks such as fresh fruit fromDominick's, pizza from Connie's and Italian ice from TuttoItaliano.
Popular food trucks like Garbo's Lobster Truck and Curcuma will be on hand if you need a snack after all that shopping, and don't miss sampling some tasty flavors from Lick Honest Ice Creams.
And Libby himself, when he analyzed wood samples from trees once buried beneath glacial ice, documented that North America's last Ice Age ended approximately 11,000 years ago — not 25,000 years ago as previously believice, documented that North America's last Ice Age ended approximately 11,000 years ago — not 25,000 years ago as previously believIce Age ended approximately 11,000 years ago — not 25,000 years ago as previously believed.
An ice core is a core sample from the accumulation of snow and ice over many years that have recrystallized and have trapped air bubbles from previous time periods.
Lancaster University scientists worked with colleagues from China and Germany to collect and analyse samples from ice cores which had been laid down over 30 years, to show how residues of Perfluoroalkyl substances (PFASs) in the environment have changed over time.
Although a British team was unsuccessful in its quest to penetrate Lake Ellsworth, a group of Russian scientists successfully retrieved samples from Lake Vostok, thousands of kilometers away on the Eastern Antarctic Ice Sheet.
Ice core samples from Quelccaya are especially unique because they can be annually dated, Thompson says.
In February 2015, a team of researchers, including Thompson, published a paper in the Proceedings of the National Academy of Sciences about new findings from the Quelccaya ice core samples.
Samples from Lake Whillans, hidden under ice, contain thousands of microbes and hint at vast ecosystems yet to be discovered
Domack withdraws the sample from trap Number 4, and points to the ice cream sundae layering of dark and light browns in the clear plastic cylinder.
Even offered Terje samples from Vassfjorden and Terje went completely bonkers saying the ice was the best sounding in 7 years!
CAESAR's goal will be to gather at least 100 grams of ice and rock from the comet's surface, then to return the sample to Earth in a sealed, thermally stabilized capsule in 2038.
The team, led by Dr Kira Rehfeld and Dr Thomas Laepple, compared the Greenland data with that from sediments collected in several ocean regions around the globe, as well as from ice - core samples gathered in the Antarctic.
The researchers determined from the isotope ratio that the Taylor Glacier samples were 120,000 years old, and validated the estimate by comparing the results to well - dated ice core measurements of atmospheric methane and oxygen from that same period.
Since the data the team collected only came from samples off the east side of Greenland, their results don't provide a definitive picture of the whole Greenland ice sheet.
The researchers took samples from multiple surface ice locations on the Greenland ice sheet, which they analysed using metagenomic data and binned genomes.
The other study in Nature — led by Joerg Schaefer of Lamont - Doherty Earth Observatory and Columbia University, and colleagues — looked at a small sample of bedrock from one location beneath the middle of the existing ice sheet and came to what appears to be a different conclusion: Greenland was nearly ice - free for at least 280,000 years during the middle Pleistocene — about 1.1 million years ago.
His Russian scientific team had finally accomplished its elusive goal: retrieving the purest sample yet from Lake Vostok, an Antarctic body of water that has likely been locked beneath thousands of feet of ice for up to 15 million years.
Enkelmann appreciates the challenge of collecting samples here because this range has the highest peaks of any coastal mountain range and is only 20 kilometers from the Pacific Ocean, but she points out that it is a tough area to study because of the big ice sheets.
Mackay estimated the ice could have been as old as 800,000 years, making it roughly the same age as the oldest ice ever core - sampled from anywhere in the world.
A drill finally penetrated through the ice to Vostok's waters in February 2012, and samples were obtained from water that froze on the drill.
A team of scientists melted five samples of ice from Antarctica in hopes of reviving the oldest known frozen bacteria — millions of years older than any previously brought to life.
If a future orbiter could collect some material from a plume, that would allow us to sample the seas without the difficult task of landing and drilling into the ice, says Phillips: «If there are life forms, they would be in the liquid layer.
Core samples from deeper in the Lake Towuti sediment will show whether this drying evident during the last ice age also happened in previous ice ages.
For instance, researchers may have a limited time to survey coastal archaeological sites threatened by erosion, to sample melting ice sheets holding clues to past climates, and to document so - called thermokarst lakes, which are formed by meltwater from permafrost.
Last month the team announced it had successfully retrieved a core of ice from the borehole without the contamination that had plagued their earlier samples.
The frozen tissues warmed up by over 120 oC (almost 250 oF) in one minute — ushering the samples safely from vitrification to a thawed state before ice crystals could form.
The biggest stumbling block to preserving larger samples comes from tiny ice crystals that tend to form right around the transition point to or from a vitrified state.
«We also found the chemical anomaly in ice from two other Antarctic ice cores including archived samples from the Byrd Core available from the University of Copenhagen and ice from Taylor Glacier in the Antarctic Dry Valleys,» said Nathan Chellman, a graduate student working in McConnell's laboratory.
Levels of oxygen 18 in ice core samples from the 1990s were more elevated than for any other time in the last 200 years, but were very similar to levels reached during some earlier decades.
Highlights included field trips to the ice edge and Bratina Island, an upside - down piece of seafloor now frozen in the ice sheet, where we collected samples from hypersaline ponds filled with all domains of life: archaea, bacteria, and eukaryota.
The researchers studied water samples taken during cruises by Chinese ice breaker XueLong, (meaning «snow dragon») in summer 2008 and 2010 from the upper ocean of the Arctic's marginal seas to the basins as far north as 88 degrees latitude, just below the North Pole, as well as data from three other cruises.
Sampling 7,000 - year - old ice cores as well as snowpack dating from 1969 through the mid-1990s, Barbante's team found that concentrations of the metals had risen almost sevenfold since the mid-1970s, when catalytic converters first came into widespread use.
By taking ice samples for the last five winters and analyzing for the chlorophyll produced by algae and photosynthetic bacteria, Twiss and his team have determined that from November to April the Lake experiences great primary productivity, more so than in spring or summer.
Hawkings and his collaborators spent three months in 2012 and 2013 gathering water samples and measuring the flow of water from the 600 - square - kilometer (230 - square - mile) Leverett Glacier and the smaller, 36 - square - kilometer (14 - square - mile) Kiattuut Sermiat Glacier in Greenland as part of a Natural Environment Research Council - funded project to understand how much phosphorus, in various forms, was escaping from the ice sheet over time and draining into the sea.
Surprise find The team's actual mission was to survey ocean currents near the Ross Ice Shelf, a slab of ice extending more than 600 miles (970 kilometers) northward from the grounding zone of the West Antarctic Ice Sheet into the Ross Sea, to model the behavior of a drill string, a length of pipe extending to the seafloor which delivers drilling fluids and retrieves sediment samplIce Shelf, a slab of ice extending more than 600 miles (970 kilometers) northward from the grounding zone of the West Antarctic Ice Sheet into the Ross Sea, to model the behavior of a drill string, a length of pipe extending to the seafloor which delivers drilling fluids and retrieves sediment samplice extending more than 600 miles (970 kilometers) northward from the grounding zone of the West Antarctic Ice Sheet into the Ross Sea, to model the behavior of a drill string, a length of pipe extending to the seafloor which delivers drilling fluids and retrieves sediment samplIce Sheet into the Ross Sea, to model the behavior of a drill string, a length of pipe extending to the seafloor which delivers drilling fluids and retrieves sediment samples.
Becker used a mass spectrometer to analyse the PAHs in several samples of Antarctic ice, including some from the site where the meteorite was found.
If a probe could catch some material from the plume, that would allow us to sample the seas without the difficult task of landing and drilling into the ice, says Cynthia Phillips at the SETI Institute in Mountain View, California.
Soil samples were collected from two coastal ice - free sites in different regions of eastern Antarctica.
One evening, while drinking a whiskey on rocks chipped off an ice core sample, Lorius watched bubbles get liberated from the ice.
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