Entwaesserung

Eintrag vom: 10.05.2013.

Explore Earth's coldest continent with the latest Antarctica news articles and features from Live Science.

 

NASA uses satellites to study the ice on Antarctica and how the continent is changing. Scientists want to know how changes in Earth?s climate are affecting Antarctica?s ice sheets.

 

Though Antarctica is really really chilly it is considered a desert because it receives very little rain or snowfall. The small amount of snow that does fall does not melt but builds up over hundreds and thousands of years to form large thick ice sheets.

 

Tumbuhan Deschampsia antarctica di Gletser Collins Antarktika. Spesies ini adalah salah satu dari hanya dua tumbuhan berbunga asli Antarktika dan yang lainnya adalah lumut mutiara Antarktika. Sepanjang sejarahnya Antarktika telah memiliki berbagai macam kehidupan tumbuhan.

 

The first official use of the name Antarctica as a continental name in the 1890s is said to have been used by Scottish cartographer John George Bartholomew. The Antarctic Treaty was signed in 1959 by 21 countries.

 

Without any ice Antarctica would emerge as a giant peninsula and archipelago of mountainous islands known as Lesser Antarctica and a single large landmass about the size of Australia known as Greater Antarctica.

 

Because Antarctica surrounds the South Pole it is theoretically located in all time zones. For practical purposes time zones are usually based on territorial claims or the time zone of a station's owner country or supply base.

 

Antarctica the world?s southernmost continent is almost wholly covered by an ice sheet and is about 5.5 million square miles (14.2 million square km) in size.

 

Antarctica is the fifth-largest continent being about 40% larger than Europe and has an area of 14 200 000 km2 (5 500 000 sq mi). Most of Antarctica is covered by the Antarctic ice sheet with an average thickness of 1.9 km (1.2 mi).