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It is the larger northern part of the wider Aral–Caspian Depression around the Aral and Caspian Seas. The level of the Caspian sea is 28 metres (92 ft) below sea level, however several areas in the depression are even lower, and among them Karagiye near Aktau is the lowest at −132 metres (−433 ft).
The level of the latter was 110–120 metres (360–390 ft) below the present Caspian level—in other words, 140–150 metres (460–490 ft) below sea level. [ 7 ] [ 8 ] In the Caspian Depression, the Khvalynean sediments occur primarily near the surface; younger still (and higher in the sequence) are the Holocene floodplain lacustrine and ...
The Caspian Sea is the world's largest inland body of water, described as the world's largest lake and usually referred to as a full-fledged sea. [2] [3] [4] An endorheic basin, it lies between Europe and Asia: east of the Caucasus, west of the broad steppe of Central Asia, south of the fertile plains of Southern Russia in Eastern Europe, and north of the mountainous Iranian Plateau.
The most northern part is called the Caspian Depression. The desert part to the east of the Caspian Depression and Caspian is called the Turan Depression. In Azerbaijan, the Kura-Aras Lowland is part of the Aral–Caspian Depression. Its parts lie in Azerbaijan, Russia, Kazakhstan, Uzbekistan, and Turkmenistan. [1] [2]
The Caspian lowland desert ecoregion (WWF ID: PA1308) covers the north and southeast coasts of the Caspian Sea, including the deltas of the Volga River and Ural River in the northern region. While the region gets relatively low amounts of precipitation (less than 200 mm/year), wildlife is supported by the river estuaries and the sea itself.
It is situated by the West shore of the Caspian Sea and is part of the Aral-Caspian Depression. It is delimited by the Greater Caucasus from the North, Lesser Caucasus from the West and the Talysh Mountains from the South. [2] The name is derived from the names of the two rivers in the area: the Kura and the Aras. [3]
The delta is located in the Caspian Depression—the far eastern part of the delta lies in Kazakhstan. The delta drains into the Caspian approximately 60 km (37 mi) downstream from the city of Astrakhan. The Volga delta has grown significantly in the 20th century because of changes in the level of the Caspian Sea.
Sink: an endorheic depression generally containing a persistent or intermittent (seasonal) lake, a salt flat (playa) or dry lake, or an ephemeral lake. Panhole: a shallow depression or basin eroded into flat or gently sloping, cohesive rock. [2] Collapse-related: Sinkhole: a depression formed as a result of the collapse of rocks lying above a ...