1. Antarctic Desert (area 13,829,430 km2)
Antarctica is the coldest place on Earth with temperatures reaching -85 and -90 degrees Celsius in winter and 30 degrees higher in summer. The center cold and dry and had little rainfall. Snowfall also occurred in parts of the coast, with the highest record of 48 inches in 48 hours. Almost the entire continent is covered with ice as thick as an average of 2.5 kilometers. Depending on latitude and time of night or day is a constant, making the usual climate experienced by humans is not available in this continent. Animals which are common in this region is a penguin. Penguins are birds that can not fly, but penguins are an accomplished diver.
Desert Antarctica (Source: parajet.com)
Other animals are the sea lions, seals and whales. It is estimated there are about 1,000 people live in Antarctica at one time but it depends also on the season. People who live in Antarctica usually use the time zone their home country. Although there is no permanent settlers, 29 countries that signed the Antarctic Treaty has a research station that is generally always used throughout the year.
2. Sahara Desert (Area 9 million km2)
Sahara Desert is the name of the largest desert in the world. The name "Sahara" is taken from Arabic which means "desert". Sahara is located in northern Africa and 2.5 million years old. Desert desert stretches from the Atlantic Ocean to the Red Sea. From the Mediterranean Sea in the north to the Sahel in the south. From Mauritania in the west to Egypt in the east. This desert divides the continent of Africa into North Africa and Africa ", which in essence" the desert. Both parts of this continent are very different, both in climate and culture. This vast desert around 9 million km2.
Sahara Desert (Source: photos-of-the-year.com)
3. Arctic Desert (Area of 2.6 million km2)
The Arctic is a region around the North Pole of Earth. The Arctic includes parts of Russia, Alaska, Canada, Greenland, Iceland, Lapland, and Norway (including Svalbard), and also the Arctic Ocean. There are many definitions of the Arctic region. Limit usually is in the northern arctic circle (66 ° 33'U), which is the limit of the midnight sun and polar night. Other definitions based on climate and ecology, such as 10 ° C (50 ° F) isoterma (isotherm) in July, which is also related to the treeline in most of the Arctic. Socially and politically, including the northern Arctic region of the eight Arctic countries, although the definition of natural science is regarded as an area wilayan subarktik. The Arctic is an ocean wide and covered by ice, surrounded by a few trees, frozen ground, there are also organisms that live on the ice, fish and marine mammals, birds and some human community.
Arctic Desert (Source: barneo.ru)
4. Arabian Desert (Area of 2.33 million km2)
Arabian Desert is a vast desert stretching from Yemen to the Persian Gulf and Oman to Jordan and Iraq. Desert occupies most of the Arabian Peninsula with an area of 2.33 million square kiliometers or (900 000 square miles). This is the center of the desert-Rub'al Khali, also one of the largest sand desert in the world. Deer, gazelles, sand cats, and spiny tail lizard is a desert species that adapt and survive in extreme environments. The climate is very dry, and temperatures oscillate between extreme heat and freezing at night. There is little biodiversity, although a few endemic plants grow here. Sebenarnyaa Many species, such as the striped hyena, jackal and honey badger have become extinct in this area due to poaching, human encroachment and habitat destruction. Other species have been successfully reintroduced, such as sand gazelle protected in some areas. Livestock grazing and off-road activities, habitat destruction is the main threat to biodiversity in the desert.
Arabian Desert (source: oursurprisingworld.com)
5. Gobi Desert (area of 1.295 million km2)
Gobi desert is a very large area in the People's Republic of China and southern Mongolia. Gobi desert basin bounded by the Altai Mountains and the grasslands of Mongolia in the north, the Tibetan plateau in the southwest, and the plains of northern China in the southeast. In the Mongolian language, the word Gobi means "very large and dry". Gobi consists of several geographic areas and ecologically unique, based on differences in climate and topography. This is the largest desert in Asia. Gobi in history as part of the Mongol Empire, and is the location of several important cities along the Silk Road.
Tidak ada komentar:
Posting Komentar