Sentences with phrase «taking ice samples»

In addition, I had the freedom to conduct my own research in the Dry Valleys, taking ice samples from the surrounding glaciers to investigate microbial biodiversity in glacier ice.

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.

Not exact matches

May 31: Celebrate Shavuot with a dairy party — make cheesecake to take home, hear the Ten Commandments as the Jews did at Mt. Sinai, and sample a variety of cheesecakes plus lots of ice cream (Brookline)

Farooqi drove to London, took more blood samples, packed them in a bucket of ice, and sped back to Cambridge.

Participants in a sea ice measurement campaign including the Max Planck Institute for Meteorology, are taking samples of the Arctic sea ice at Spitzbergen.

The researchers took samples from multiple surface ice locations on the Greenland ice sheet, which they analysed using metagenomic data and binned genomes.

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.

To do so, they had also taken sea - ice samples.

Lead author of the research Dr Kelly Redeker from the Department of Biology at the University of York said «As microbial activity and its influence on its local environment has never been taken into account when looking at ice - core gas samples it could provide a moderate source of error in climate history interpretations.

Researchers took a core sample of the ice from the cave, giving scientists their first records of winter temperatures in the region.

To gain some insight, a team of Australian and New Zealander scientists took a hard look at microbe - filled dirt samples from two ice - free sites in eastern Antarctica.

For the current project outlined in the Nature article, research scientists drilled through the ice, down to the lake and took samples of the water for further study.

Take time to sample tamales and visit the local ice - cream parlor.

Samples of gas trapped in ice cores taken from the Greenland and Antarctic ice sheets have enabled scientists to determine that the level of CO2 in the atmosphere has fluctuated between approximately 180 ppm (glacial advance and colder climate in the higher latitudes) and 280 ppm (glacial retreat and warmer climate in the higher latitudes), over the past 400,000 or more years.

In our new take on the song, David added whale - ish notes on his bass clarinet along with samples of the crackle and shoosh of floating sea ice and we added two new verses taking the story from the ice - locked end of the little ice age to this era of warming, melting and opening seaways.

You can't take data for a couple of hundred years and screech that «this matters more and is gonna kill us all» when we have ice core samples that show conditions much worse than this in the distant past.

Some other climate «scientists» also say that air bubbles trapped in glacial ice are reliable samples of air composition at the time the snow fell, even though it takes decades for the air to become trapped in the bubbles.

Among other things, we know about diffusion, the gaussian filter effect that takes out short term variability that might explain the smooth ice core data, etc., but when taking readings from the air samples in ice, what is the mechanism for accounting for the CO2 contained in the ice itself?

I immediately ran into microbiologist Marek Stibal, who is already here camping not far away, taking sediment samples to flesh out the picture of biological activity on the ice.

I will be watching this ice arch closely, because together with a group of 50 international scientists I am scheduled to sail these icy waters aboard the Swedish icebreaker Oden this summer for a multitude of experiments to take place in Petermann Fjord with data sampling of adjacent ice, ocean, and land.

But samples taken on seaships over the oceans or coastal with wind from the seaside, show levels around the ice core data for the same period.

To get a view on global temperatures that long ago, the researchers studied 73 sediment and polar ice samples, taken from all over the globe.

Next, interactive panels throughout the gallery offer to serve up facts about the climate, and information about a number of artefacts from climate science arranged between interactive exhibits; a slice of a tree, an ice core sample, a flask for taking gas samples.

There is contamination of the air in the bubble by water; different results are obtained if the ice is crushed or melted to obtain the air sample; it takes decades for the air bubble to form; the raw data was smoothed out by a 70 year moving average that removed the great annual variability found in the 19th century and Stomata Index (SI) records; closer examination revealed a major flaw in the hypothesis because temperature rises before CO2.

They took samples of the ice and measured its thickness, temperature and salinity.

Proxy data such as those generated from ice core samples, measurements of tree rings intervals, bore samples taken from sediments from the ocean and sea floor, and measurement of gases from bubbles trapped in ice are some examples of preserved physical characteristics of the past used by scientists to reconstruct prevailing climatic conditions in the past.

They measured the organic carbon content of the samples and determined how much of the soil volume was taken up by large bodies of ground ice.

More importantly, in all the «small cycle» warming seen in the past millions of years, based on data taken from samples of ice going back that far, we have never seen warming ramping up this far.

In fact, they did not measure CO2 directly in gas samples taken from inside bubbles (quite possible with modern analytical methods), but rather CO2 released from bubbly ice using a dry cold needle ice crusher.

Spencer Weart, in his book «The discovery of Global Warming» mentions it took two decades to develop reliable methods of giving plausible results when analyzing ice cores and states «The trick was to clean an ice sample scrupulously, crush it in a vacuum, and quickly measure what came out».

It is not that I am failing to think logically, it is when people start talking about he compression of ice relative to air bubbles relative to the porosity of said ice and the amount of time it takes for that ice to seal when looking at the time scale of CO2 found in ice samples, I am pretty well lost.

By examining plant leaf wax remnants in sediment core samples taken from beneath the Ross Ice Shelf, the research team found summer temperatures along the Antarctic coast 15 to 20 million years ago were 20 degrees Fahrenheit (11 degrees Celsius) warmer than today, with temperatures reaching as high as 45 degrees Fahrenheit (7 degrees Celsius).

To work out how much meltwater might be stored within the pores of the firn, the scientists set up camp in 2012, 2013 and 2015 on the ice cap to use radar and to drill a series of holes 20 metres deep into the porous firn layer − also choosing sites where samples had been taken 20 years ago.

To figure this out will take direct sampling of the ice sheet; Box is already organizing an expedition, dubbed The Dark Snow Project, for 2013, to the ice sheet to get these samples.

A geologist can take soil samples, sample cores taken from a tropical ocean or sample cores from beneath the polar ice caps.

My «icing» at first was too thin and it took ages to dry on sample boards.