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Since 1930, when its surface was 1,050 km 2 (410 sq mi) and its level was 390 m (1,280 ft) below sea level, the Dead Sea has been monitored continuously. The Dead Sea has been rapidly shrinking since the 1960s because of diversion of incoming water from the Jordan River to the north [ 71 ] as part of the National Water Carrier scheme, [ 72 ...
Places where seawater and rainwater is pumped away are included. Fully natural places below sea level require a dry climate; otherwise, rain would exceed evaporation and fill the area. All figures are in meters below mean sea level (as locally defined), arranged by depth, lowest first:
Lake Assal is the most saline body of water on earth after Don Juan Pond with 34.8% average salt concentration [10] (up to 40% at 20 m (66 ft) depth); higher than the 33.7% level in the Dead Sea. [10] [16] The dissolved salts include NaCl, KCl, MgCl 2, CaCl 2, CaSO 4 and MgBr 2, with NaCl dominating in Lake Assal and MgCl 2 in the Dead Sea. The ...
Death Valley's Badwater Basin is the point of lowest elevation in North America, at 282 feet (86 m) below sea level. [1] It is 84.6 miles (136.2 km) east-southeast of Mount Whitney – the highest point in the contiguous United States , with an elevation of 14,505 feet (4,421 m). [ 4 ]
A common and relatively straightforward mean sea-level standard is instead a long-term average of tide gauge readings at a particular reference location. [1] The term above sea level generally refers to the height above mean sea level (AMSL). The term APSL means above present sea level, comparing sea levels in the past with the level today.
The lowest (from sea level) artificially made point with open sky may be the Hambach surface mine, Germany, which reaches a depth of 293 m (961 ft) below sea level. The lowest (from surface) artificially made point with open sky may be the Bingham Canyon Open Pit Copper Mine , Utah , United States, at a depth of 1,200 m (3,900 ft) below surface ...
The brine pools were found 4,000 feet below the surface of the Gulf of Aqaba, where the water is estimated to be up to 10 times saltier than normal seawater and a lack of oxygen causes the pools ...
Oceanic trenches typically extend 3 to 4 km (1.9 to 2.5 mi) below the level of the surrounding oceanic floor. The greatest ocean depth to be sounded is in the Challenger Deep of the Mariana Trench, at a depth of 10,911 m (35,798 ft) below sea level.