Work done in the southern hemisphere's summer, December through January 2012 - 13, included
drilling holes in the ice to place a variety of instruments and using radar to map the underside of the ice shelf and the bottom of the ocean.
Work done in the southern hemisphere's summer, December through January 2012 - 13, included
drilling holes in the ice to place a variety of instruments and using radar to map the underside of the ice shelf and the bottom of the ocean.
Not exact matches
The researchers lower the fiber - optic and sensor cables down a
hole drilled through the
ice to the ocean
in 2011.
A team of
ice drillers (a rare profession, but crucial
in Antarctica) spent three days boring a
hole through the
ice last week.
The
drill hose dangled 2,480 feet down a 20 - inch - wide
hole in the
ice.
In Antarctica's cold, where fish have natural antifreeze in their blood, McClintock accompanied other researchers as they angled for giant Antarctic toothfish by dropping a 450 - meter - long line through a meter - wide hole drilled in the sea ice about five kilometers offshor
In Antarctica's cold, where fish have natural antifreeze
in their blood, McClintock accompanied other researchers as they angled for giant Antarctic toothfish by dropping a 450 - meter - long line through a meter - wide hole drilled in the sea ice about five kilometers offshor
in their blood, McClintock accompanied other researchers as they angled for giant Antarctic toothfish by dropping a 450 - meter - long line through a meter - wide
hole drilled in the sea ice about five kilometers offshor
in the sea
ice about five kilometers offshore.
I remember
drilling in the Arctic and losing a
drill bit
in one of the
holes we had made, just because it froze into the
ice before we could get it out.»
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.
It would be interesting to
drill holes in the floating
ice shelf and put current meters just below the
ice to see what is the magnitude, if any, of a seaward current.
My most memorable travel experience took place
in Lapland, Finland almost 4 years ago, when I watched a man
drilling a big
ice hole, took a dip
in it and put on his clothes again as if nothing extraordinary had just happened.
His team combined different sets of measurements which used stakes and
holes drilled into the
ice to record the change
in mass of more than 300 glaciers since the 1940s.
«The Deepest and Most Rewarding
Hole Ever
Drilled»:
Ice Cores and the Cold War
in Greenland.»
Perhaps the best move would be to
drill more such deep (and expensive)
holes in the Antarctic
ice.
For one group of American scientists on the
ice in Greenland, the «moment of truth» struck on a single day
in midsummer 1992 as they analyzed a cylinder of
ice, recently emerged from the
drill hole, that came from the last years of the Younger Dryas.
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.