Antarctica | History, Map, Climate, & Facts | Britannica
2024年11月29日 · Antarctica's cold desert climate supports only cold-tolerant land plant and plantlike organisms; these species must also be capable of surviving lengthy winter periods of total or near-total darkness during which photosynthesis cannot take place.
What and Where Is The Antarctic Desert? - WorldAtlas
2017年4月25日 · However, many of us are seemingly unaware that the world’s largest desert is the cold desert of Antarctica, located concentrically around the South Pole. There, despite the land being covered permanently by ice and snow, there is very little precipitation (amounting to less than 50 millimeters a year in the interiors of the continent ...
Antarctica - Google Earth
Explore Antarctica in Google Earth.
Geography of Antarctica - Wikipedia
Antarctica is the largest ice desert in the world. Some 98% of Antarctica is covered by the Antarctic ice sheet , the world's largest ice sheet and also its largest reservoir of fresh water . Averaging at least 1.6 km thick, the ice is so massive that it has depressed the continental bedrock in some areas more than 2.5 km below sea level ...
Antarctica - Wikipedia
Antarctica is a polar desert with little precipitation; the continent receives an average equivalent to about 150 mm (6 in) of water per year, mostly in the form of snow.
Atlas of Antarctica - Wikimedia Commons
2024年9月10日 · At 14.425 million km², Antarctica is the third-smallest continent before Europe and Australia; 98% of it is covered in ice. Because there is little precipitation, except at the coasts, the interior of the continent is technically the largest desert in the world.
What Is Antarctica? | NASA Space Place – NASA Science for Kids
2024年11月8日 · 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. Antarctica's terrain is made up of glaciers, ice shelves and icebergs.
Antarctica - Education | National Geographic Society
The Antarctic desert is one of the driest deserts in the world. The Antarctic region has an important role in global climate processes. It is an integral part of Earth’s heat balance .
Frequently Asked Questions About Antarctica - NASA
2023年8月9日 · During summer, Antarctica is on the side of Earth tilted toward the sun and is in constant sunlight. In the winter, Antarctica is on the side of Earth tilted away from the sun, causing the continent to be dark. Antarctica is considered a desert because it …
Landsat Image Mosaic Of Antarctica (LIMA) - USGS
Discover Antarctica in greater detail than ever before by exploring the nine versions of the Landsat Image Mosaic of Antarctica (LIMA). Each version highlights different features of the landscape. Created from over 1,000 Landsat 7 ETM+ scenes, LIMA consists of two principle mosaics, six stretched versions and one center-filled mosaic.