All the surveying was done by mapping which meant going out on the ice fields
on dog sleds for days on end and camping out.
This is Juneau, an isolated community along Alaska's coast, hemmed in by ice fields
During a 2002 expedition to the Quelccaya ice cap in Peru, the largest tropical ice field
in the world, Thompson and colleagues discovered patches of ancient wetland plants that had been exposed as the edge of the ice cap retreated.
His mathematical formula - now known as the Batten Method - allows submarines to pass through precarious ice fields
in more than double the time and with vastly improved safety.
They examined a large supply of micrometeorites from the same Antarctic ice field
In August, scientists returned to the Antarctic ice fields
, hoping to find more of these jewels from long ago.
Some researchers have argued that the Antarctic ice field
in which ALH84001 landed some 13,000 years ago could have contaminated the meteorite with terrestrial PAHs or other organic materials.
Although it doesn't appear now that the mudflow would flood cities on the Cowlitz, the growing size of the snow and ice field
is posing a definite threat, said Tom Pierson of the U.
A meteorite that fell to Earth from Mars 13,000 years ago - and was discovered in an Antarctic ice field
12 years ago - contains what scientists believe are organic compounds and certain minerals that they conclude ``are evidence for primitive life on early Mars.
The rock was found in an Antarctic ice field
12 years ago, 13,000 years after it is believed to have landed there.
The icebreaker is able to proceed continuously both ahead and astern at the speed of 2 knots in compact ice field
up to 2m thick with 20cm of snow cover and temperatures as low as minus 35 degrees Celsius.
Immigration and Customs Enforcement, along with four other ICE field
offices, for allegedly holding asylum seekers in detention without cause.