Dasht-e Kavir
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Dasht-e Kavir (Template:Langx in classical Persian, from khwar (low), and dasht (plain, flatland)) or the Kavir Desert, also known as Kavir-e Namak or the Great Salt Desert, is a large desert lying in the middle of the Iranian Plateau. It is about Script error: No such module "convert". long by Script error: No such module "convert". wide with a total surface area of about Script error: No such module "convert"., making it the world's 24th largest desert.[1] The desert stretches from the Alborz mountain range in the north-west to the Dasht-e Lut in the south-east. It is spread across the Iranian provinces of Khorasan, Semnan, Tehran, Isfahan and Yazd.
Features
In the center of the desert lies the salt marshes of Kavir Buzurg (Great Kavir), which is about Script error: No such module "convert". long and Script error: No such module "convert". wide. In the western part of the desert lies the Daryahcheh-e Namak ("salt lake"), Script error: No such module "convert".. It contains some large salt plates in a mosaic-like shape. It is part of a Script error: No such module "convert". protected ecological zone, the Kavir National Park.
Climate and structure
Dasht-e Kavir has an arid climate with little precipitation. However, there is usually some rainfall in winter, as well as the mountains that surround it, provide plenty of runoff—enough to create vast seasonal lakes, marshlands and playas. Daytime and nighttime temperatures can vary by as much as Script error: No such module "convert". over the course of a year. The weather can get quite cold during the nighttime in winter, routinely dropping to below Script error: No such module "convert". in some areas.
The desert soil is covered with sand and pebbles; there are marshes, seasonal lakes and seasonal river beds. The high temperatures and low humidity cause extreme vaporization, which leaves the marshes and mud grounds with large crusts of salt.
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Post-glacial lake system
Almost 3,000 years ago, at the start of the post-glacial era, the Kavir was a series of vast lakes.Script error: No such module "Unsubst".
Wildlife
Vegetation in the Dasht-e Kavir is adapted to the hot and arid climate as well as to the saline soil in which it is rooted.
Persian gazelles live in parts of steppe and desert areas of the central plateau. Wild sheep (Ovis orientalis), camels, wild goats (Capra aegagrus)[2] and Persian leopards are common in mountainous areas. Night life brings on wild cats, wolves, foxes, and other carnivores.
Cultivation
The extreme heat and many storms in Dasht-e Kavir cause extensive erosion, which makes it almost impossible to cultivate the lands. The desert is almost uninhabited and knows little exploitation.
See also
- Template:Annotated link ('Desert of Emptiness')
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- Cities of Iran
References
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- ↑ Script error: No such module "citation/CS1".
- ↑ Mohammadian, H. Mammals of Iran. Shabpareh Publishing Institute. Tehran, Iran. 2005.Template:ISBN.
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