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The average lake on Earth has the mean depth 41.8 meters (137.14 feet) [9] The Caspian Sea ranks much further down the list on mean depth, as it has a large continental shelf (significantly larger than the oceanic basin that contains its greatest depths).
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.
In 1960, the Aral Sea was the world's twelfth-largest known lake by volume, at 1,100 km 3 (260 cu mi). However, by 2007 it had shrunk to 10% of its original volume and was divided into three lakes, none of which are large enough to appear on this list.
[1] [2] The lagoon has a variable surface area typically about 18,000 km 2 (6,900 sq mi). [2] It is very shallow, with an average depth of 10 meters. It is separated from the Caspian Sea by a narrow, rocky ridge having a very narrow opening through which the Caspian Sea waters flow into it.
Depth meters feet 1. Asian lake: country Asia: meters feet 2. African lake: country Africa: meters feet 3. Antarctic lake: Antarctica: meters feet 4. South American lake: country South America: meters feet 5. North American lake: country North America: meters feet 6. European lake: country Europe: meters feet 7. Oceanian lake: country Oceania ...
On average, the ice reaches a thickness of 0.5 to 1.4 m (1.6–4.6 ft), [31] but in some places with hummocks, it can be more than 2 m (6.6 ft). [30] During this period, the temperature slowly increases with depth in the lake, being coldest near the ice-covered surface at around freezing, and reaching about 3.5–3.8 °C (38.3–38.8 °F) at a ...
Saline 1.15% (approx.) 3,955 km 2 1,527 sq mi 125 km 78 mi 40 m 130 ft 68.56 km 3 16.45 cu mi Located about midway between the Caspian Endorheic basin and former Aral Sea. No drainage river today. Drained centuries ago to the Caspian Sea (Uzboy River). Polluted. 38: Dubawnt Canada: Fresh 3,833 km 2 1,480 sq mi 91 km 3 22 cu mi
Assuming an equal length of the phases of rising, high water and subsiding (150 to 200 years each), the sea level would rise by 180–190 metres (590–620 ft) at a rate of at least one meter per year. The Caspian Sea has risen 2.5 metres (8 ft 2 in) since 1978, as much as 10 centimetres (3.9 in) per year, with an adverse impact on human activity.