Sentences with phrase «took snow samples»

Still another took snow samples to measure black carbon, a component of particulate matter that absorbs sunlight and can speed glacial melt.

Fierz and Baunach will take snow samples from their boxes every 12 hours, as the snow's temperature rises from minus four to 30 degrees Fahrenheit.

Not exact matches

At the same time as the aircraft were taking measurements, Creamean and her colleagues also took samples of the precipitation on the ground and analyzed them to see whether that dust was in the rain or snow landing in the mountains.

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.

He found them in all 19 samples, including snow taken from Montana in the dead of winter, when there is almost no deciduous vegetation, and even in samples from Antarctica.

The researchers worked on sites in the Arctic and Antarctic and took precautions to limit the impact of sunlight and wind, using tarpaulins to protect their sample sites and positioning themselves on the middle of a glacier away from soil and other forms of polar wildlife which might contaminate the snow.

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.

Critique 1) I have no idea about any cleansing, homogenisation or aggregation performed on this data prior to its presentation by Rutgers 2) Snow extent is only 1 part of the issue, thickness and mass would need to be considered for a full picture 3) I haven't taken care to provide exactly similar sample sizes, however the F and t methods do not require it 4) I haven't taken care to ensure that the same number of winter periods are present in each sample batch; this would increase the risk of a false positive and would have required further investigation if a weak indication of significance had been detected.

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.