
The Turan Depression, Turan Lowland or Turanian Basin is a
low-lying desert
A desert is a landscape where little precipitation occurs and, consequently, living conditions create unique biomes and ecosystems. The lack of vegetation exposes the unprotected surface of the ground to denudation. About one-third of the la ...
basin region stretching from southern
Turkmenistan
Turkmenistan is a landlocked country in Central Asia bordered by Kazakhstan to the northwest, Uzbekistan to the north, east and northeast, Afghanistan to the southeast, Iran to the south and southwest and the Caspian Sea to the west. Ash ...
through
Uzbekistan
, image_flag = Flag of Uzbekistan.svg
, image_coat = Emblem of Uzbekistan.svg
, symbol_type = Emblem of Uzbekistan, Emblem
, national_anthem = "State Anthem of Uzbekistan, State Anthem of the Republ ...
to
Kazakhstan
Kazakhstan, officially the Republic of Kazakhstan, is a landlocked country primarily in Central Asia, with a European Kazakhstan, small portion in Eastern Europe. It borders Russia to the Kazakhstan–Russia border, north and west, China to th ...
.
Geography
The
lowland region lies to the east of the
Caspian Sea
The Caspian Sea is the world's largest inland body of water, described as the List of lakes by area, world's largest lake and usually referred to as a full-fledged sea. An endorheic basin, it lies between Europe and Asia: east of the Caucasus, ...
and southeast of the
Aral Sea in the vast
Aral–Caspian Depression but extends to parts above sea level as well. It is one of the largest expanses of sand in the world, covering an area of around 3 million km
2.
On average, the region receives less than of
rainfall per year. The
Karakum desert lies at the southern portion of the Turan Lowlands.
The part of the depression adjacent to the Aral Sea is drainless. It includes a network of temporary streams usually ending in ''
sor''
salt flats, which seasonally become
salt lakes.
Three of the largest cities in the Turan Depression are
Daşoguz in
Turkmenistan
Turkmenistan is a landlocked country in Central Asia bordered by Kazakhstan to the northwest, Uzbekistan to the north, east and northeast, Afghanistan to the southeast, Iran to the south and southwest and the Caspian Sea to the west. Ash ...
,
Nukus in
Uzbekistan
, image_flag = Flag of Uzbekistan.svg
, image_coat = Emblem of Uzbekistan.svg
, symbol_type = Emblem of Uzbekistan, Emblem
, national_anthem = "State Anthem of Uzbekistan, State Anthem of the Republ ...
, and
Urganch, also in Uzbekistan.
Vpadina Akchanaya in Turkmenistan is below
sea level
Mean sea level (MSL, often shortened to sea level) is an mean, average surface level of one or more among Earth's coastal Body of water, bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical ...
. The
Amu Darya River runs in a southeast–north-westerly direction through the lowlands.
In the
Pliocene
The Pliocene ( ; also Pleiocene) is the epoch (geology), epoch in the geologic time scale that extends from 5.33 to 2.58[Pleistocene
The Pleistocene ( ; referred to colloquially as the ''ice age, Ice Age'') is the geological epoch (geology), epoch that lasted from to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fin ...](_blank)
, the territory of the modern Turan depression was the bottom of the vast Turan Sea, which was divided into the modern
Caspian and
Aral seas about ten thousand years ago.
See also
*
Kazakh semi-desert
*
Turgay Depression
References
{{Authority control
Depressions of Kazakhstan
Depressions of Turkmenistan
Depressions of Uzbekistan
Depressions (geology)
Endorheic basins of Asia