Sentences with phrase «sea ice samples»

The new study gathered sea ice samples near Greenland in 2014 and 2015 that the researchers then analyzed in a lab, comparing them to previously gathered cores from there and elsewhere in the Arctic.

Not exact matches

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

Examining these samples helps them to better understand the factors that influence the development of sea ice.

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.

The winch, pedaled by crew members and scientists, gradually deploys water - sampling equipment that delivers samples central to the mission: to characterize and understand the currents below the sea ice on which the scientists» tents rest.

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.

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.

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.

The researchers used 16s rRNA sequencing to characterize the microbial population in stool samples donated by 19 inhabitants of the Hamlet of Resolute Bay, a Canadian Arctic village on the southern end of Cornwallis Island accessible only by plane (and, when the sea ice breaks up, by boat).

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

For up to a month after sea ice had melted, krill samples from transitional zones had high concentrations of IPSO25 and HBI III.

Scientists collect samples among the sea ice and melt ponds of the Arctic's Chukchi Ssea ice and melt ponds of the Arctic's Chukchi SeaSea.

The sampling issues arise from the fact that sea ice is highly dynamic with lots of spatial and seasonal variability so that measurements from individual moorings, submarine sonar tracks, and aircraft flights can only construct an incomplete picture of the evolution of the total Arctic sea ice volume.

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.

>... there are still ways of discovering the temperatures of past centuries,... tree rings... Core samples from drilling in ice fields... historical reconstruction... coral growth, isotope data from sea floor sediment, and insects, all of which point to a very warm climate in medieval times.

Scientists dig deep into the rock and sand of the sea floor to sample Earth's climate history many millions of years ago, since the oldest ice cores go back only 850,000 years.

For example, although the sample size has been very small, studies of radio - collared seals in the Bering and Chukchi Seas observed those seals rarely hauled out at all, on land or sea ice, even when occupying ice covered areas.

The sampling locations ranged from the innermost area of the fjord just seaward from the modern ice shelf to locations farther out to sea that the shelf would have covered 2 millennia ago.

Minzoni and her fellow scientists had sailed to the Amundsen Sea to study other parts of WAIS, but bad weather turned into good luck, forcing their sediment sampling activities into a more protected area near the Cosgrove Ice Shelf.

Aerial thickness surveys and ground - based sampling in the western Beaufort and eastern Chukchi Sea in April this year indicate that level ice in the region is well over 3 m thick and strong (due to low salt content; www.sizonet.org).

And scientists can sample ice cores, permafrost records, and tree rings to make some assumptions about the sea ice extent going back 1,500 years.

High concentrations of both the sea ice proxy IP25 and the phytoplankton biomarker brassicasterol were measured in samples representing the late MIS 6 and the interstadials MIS 5e, 5c and 5a.

Sampling areas were split according to their ice cover: North - West (less sea ice cover), South - East (larger amplitude in sea ice extent) and North - East / South - West (NESW) as bears from that zone are more mobile among all regions of Svalbard.

Scientists collect samples among the sea ice and melt ponds of the Arctic's Chukchi Ssea ice and melt ponds of the Arctic's Chukchi SeaSea.

The approach to the Sea Ice Outlook is a modified Delphi Method (i.e., using questionnaire responses from a panel of indendent experts) that: (1) samples independent expert opinion and rationale on an issue, (2) communicates the results, and (3) iterates on the process with feedback from the expert participants.

Kaminski, T., F. Kauker, H. Eicken, and M. Karcher (2015), Exploring the utility of quantitative network design in evaluating Arctic sea - ice thickness sampling strategies.

The sea ice the authors sampled would have had to travel freely through the Nares Strait to make it to Baffin Bay and eventually to Newfoundland, which could only have happened if ice arches had failed to form, according to the study.

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.

Scientists are collecting lake sediment, rock, water and plant samples to explore linkages among Arctic sea ice, atmospheric uptake, and changes in snowfall on the Greenland Ice Sheice, atmospheric uptake, and changes in snowfall on the Greenland Ice SheIce Sheet.

Over four years, it is reasonable to expect at least some warming (or cooling) below 900 m as well as in regions that Argo does not sample such as under the sea ice.

Uncertainties should decrease closer to near - current dates (e.g. from denser and more accurate sampling)-- but note that these products also employ different QC and analysis methods, rely to varying degrees on satellite data, on sea - ice data to constrain polar SST, and on bias adjustments for historical changes in measurement methods.

These estimates resulted from studies of air bubbles recovered in ice cores from deep within Antarctica, Greenland and other glaciers, as well as chemical analyses of coral samples from beneath the sea.