http://www.athropolis.com/arctic-facts/fact-greenland-ice.htm The Antarctic ice sheet is one of the two polar ice caps of Earth. It covers about 98% of the Antarctic continent and is the largest single mass of ice on Earth, with an average thickness of over 2 kilometers. Separate to the Antarctic sea ice it covers an area of almost 14 million square kilometres (5.4 million square miles) and contains 26.5 million cubic kilometres (6,400,000 cubic miles) of ice. A cu…

How thick is sea ice and how do we know?

NettetAn ice sheet is a mass of glacial land ice extending more than 50,000 square kilometers (19,300 square miles). The two ice sheets on Earth today cover most of Greenland … NettetThe Antarctic ice sheet is about 2 kilometers (2.6 miles) thick. If it melted, sea level would rise by about 60 meters (200 feet). The Greenland ice sheet is much smaller than the … mercedes maybach gls 600 configurator

Ice Sheet - National Geographic Society

NettetAn ice sheet is a type of glacier. An ice sheet is a mass of glacial land ice, extending more than 50,000 square kilometers (20,000 square miles). During the last ice age, ice sheets also covered much of North America and Scandinavia. Now, Earth has two ice sheets: one covers most of Greenland, the largest island in the world, and the other ... NettetHere, the ice sheet has been measured to be 4,897 metres (16,066 feet) thick. The basin is named after Astrolabe, the flagship of the French Antarctic Expedition (1837–40). Ice thickness is often measured using ice-penetrating radar, and many areas of Antarctica remain unsurveyed, which means that thicker ice could exist but has yet to be measured. Nettet29. mai 2015 · Therefore, the 4,500 years since the Flood provide ample time for the growth of the thick ice sheets we see today, considering the much greater snowfall during the post-Flood Ice Age. 1. Theoretical ice-flow models are the most common means of dating ice cores—especially the deep Antarctic cores. These models implicitly assume … how old are you 什么意思