Sentences with phrase «kilometers of glacial ice»

Nestled in a rocky pocket under 4 kilometers of glacial ice, Lake Vostok's waters have never been sampled.

As a result of such breakups, more than 150 cubic kilometers of glacial ice has slid off land into the ocean.

Not exact matches

The island was surrounded by a plain of glacial ice covering 1,500 square kilometers — 25 times the area of Manhattan.

The overall retreat of several kilometers that has occurred over the past 20,000 years was interrupted by a stillstand or a re-advance of several hundred years at the beginning of the ACR, and then by increasingly minor glacial episodes at the end of the YD, at the beginning of the Holocene (around 10,000 years ago) and during the Little Ice Age (13th to 19th centuries).

Leaving aside the collapse of the Larsen - B ice shelf and other ice shelves in Antarctica, is it too simplistic to expect that dramatic changes should be anticipated first in the Arctic because it is sea covered by a few meters of sea ice and therefore more susceptible to change, in comparison to Antarctica (which is obviously land covered by glacial ice up to several kilometers thick in places)?

«Mauna Kea had a large glacial ice cap of about 70 square kilometers [27 square miles] until 14,500 years ago, which has now all disappeared,» said Peter Clark, a geoscientist at Oregon State University.

Leaving aside the collapse of the Larsen - B ice shelf and other ice shelves in Antarctica, is it too simplistic to expect that dramatic changes should be anticipated first in the Arctic because it is sea covered by a few meters of sea ice and therefore more susceptible to change, in comparison to Antarctica (which is obviously land covered by glacial ice up to several kilometers thick in places)?

I believe the average life span of a glacial period is 90,000 years and often features NYC under more than a kilometer thick of ice.

An ice sheet is a mass of glacial land ice extending more than 50,000 square kilometers (20,000 square miles).

This fossilized coral reef was alive about 20,000 years ago, during the height of the last glacial period, a time when Earth was around 9 degrees Fahrenheit (5 degrees Celsius) cooler than it is now, and the city of Chicago was buried beneath an ice sheet almost 2 miles (3 kilometers) thick.