Sentences with phrase «with subglacial»

The Wilkes Basin is inland, with subglacial troughs connecting the largest ice volume in the east.

Tucked beneath East Antarctica's vast ice sheet is a frozen world, complete with subglacial lakes, rivers, basins, volcanoes and mountains.

Not exact matches

When researcher Alberto Behar from NASA's Jet Propulsion Laboratory in Pasadena, Calif., joined an international Antarctic expedition last month on a trek to investigate Subglacial Lake Whillans, he brought with him a unique instrument designed and funded by NASA to help the researchers study one of the last unexplored aquatic environments on Earth.

As yet, no one has touched the waters of a subglacial lake with so much as a drill bit, but a Russian group that has been coring ice over Lake Vostok to get ancient climate records is coming close.

In the late 1960s and throughout the 1970s, Hercules aircraft with downward - looking radars flew thousands of miles of survey lines across the continent to map the subglacial landscape.

Almost 380 subglacial lakes have been discovered and mapped in Antarctica, and have been explored remotely with ice - penetrating radar, gravity measurements and seismic investigations (A. Wright and M. Siegert Antarctic Science http://doi.org/jsn; 2012).

What's left to figure out is whether this is happening with other subglacial lakes around the Greenland ice sheet, as well as whether and how to incorporate the findings into models that are aimed at gauging how much Greenland might change with the warming climate and how much water it could add to the rising seas.

Priscu is looking forward to a similar U.S. effort called the Whillans Ice Stream Subglacial Access Research Drilling project next year, which will use a similar approach of melting a hole with hot water in order to reach the river - fed Whillans Ice Stream in West Antarctica.

Researchers with the British Antarctic Survey have been planning for 16 years to drill a borehole into the ice atop this subglacial lake, a hole that will freeze back over within 24 hours.

This current National Science Foundation - funded Whillans Ice Stream Subglacial Access Research Drilling (WISSARD) project included 12 co-principal investigators from as many institutions along with a host of graduate and doctoral candidate students.

Photos by Brent Christner, LSU associate professor of biological sciences and lead author of the report — Amanda Achberger, a doctoral candidate and researcher on the National Science Foundation - funded Whillans Ice Stream Subglacial Access Research Drilling (WISSARD) project works on equipment involved with drilling down and sampling a lake located under almost a half - mile of ice.

In a first - of - its - kind feat of science and engineering, a National Science Foundation (NSF)- funded research team has successfully drilled through 800 meters (2,600 feet) of Antarctic ice to reach a subglacial lake and retrieve water and sediment samples that have been isolated from direct contact with the atmosphere for many thousands of years.

Shallower than other subglacial lakes, Whillans provided researchers with a decent chance for success due to its relative accessibility compared to other lakes buried beneath miles of ice.

These authors postulated an extended Barents Sea Ice Sheet, the western part of the huge Eurasian Ice Sheet51, 55, that had reached the shelf edge causing polynya - like open - water conditions (triggered by strong katabatic winds) with phytoplankton and sea ice algae production, subglacial meltwater outflow and the deposition of suspended material on the slope at site PS2138 - 2.