THE DEAD SEA.July 29, 2020
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The Dead Sea is a salt lake bordered by Jordan to the east and Israel and the West Bank to the west. It lies in the Jordan Rift Valley, and its main tributary is the Jordan River. Its surface and shores are 430.5 metres below sea level, Earth’s lowest elevation on land.
Area: 605 km²Surface elevation: -430 mCatchment area: 41,650 km²Length: 50 kmLocation: Israel; Jordan; West BankMax. depth: 298 m (978 ft) (elevation of deepest point, 728 m BSL, minus current surface elevation)
Water volume: 114 km3 (27 cu mi)Average depth: 199 m (653 ft)Basin countries: Israel; Jordan; PalestineShore length1: 135 km (84 mi)
Why do they call it the Dead Sea :
The sea is called “dead” because its high salinity prevents macroscopic aquatic organisms, such as fish and aquatic plants, from living in it, though minuscule quantities of bacteria and microbial fungi are present. In times of flood, the salt content of the Dead Sea can drop from its usual 35% to 30% or lower.
What is special about Dead Sea :
1. The Dead Sea is one of the saltiest bodies of water on Earth, with almost 10 times more salt than ordinary seawater. This is because water flows into the Dead Sea from one main tributary, the River Jordan. … The high salt and mineral content of the Dead Sea mean that this body of water has powerful healing properties.
Is it safe to swim in the Dead Sea :
In actuality, it is nearly impossible to swim in the Dead Sea. Because of the high salt content of the water, people who bathe in the Dead Sea can actually float on the surface of the water. … The only living beings that reside in the dead sea are bacteria and an especially hardy species of algae.
The Jordanian shore of the Dead Sea, showing salt deposits left behind by falling water levels.
Sedom Lagoon ;
During the late Pliocene-early Pleistocene, around 3.7 million years ago, what is now the valley of the Jordan River, Dead Sea, and the northern Wadi Arabah was repeatedly inundated by waters from the Mediterranean Sea. The waters formed in a narrow, crooked bay that is called by geologists the Sedom Lagoon, which was connected to the sea through what is now the Jezreel Valley. The floods of the valley came and went depending on long-scale changes in the tectonic and climatic conditions.
Views in 1972, 1989, and 2011 compared
- Aral Sea
- Salton Sea
- List of drying lakes
- List of places on land with elevations below sea level
- Mediterranean–Dead Sea Canal
- Benjamin Elazari Volcani
- World Discoveries III: Dead Sea
View of salt evaporation pans on the Dead Sea, taken in 1989 from the Space Shuttle Columbia (STS-28). The southern half is separated from the northern half at what used to be the Lisan Peninsula because of the fall in level of the Dead Sea.
Recession and environmental concerns :
Gully in unconsolidated Dead Sea sediments exposed by recession of water levels. It was excavated by floods from the Judean Mountains in less than a year.
Since 1930, when its surface was 1,050 km2 (410 sq mi) and its level was 390 m (1,280 ft) below sea level, the Dead Sea has been monitored continuously. In recent decades, the Dead Sea has been rapidly shrinking because of diversion of incoming water from the Jordan River to the north
|Year||Water level (m)||Surface (km2)|
The southern basin of the Dead Sea as of 1817-18, with the Lisan Peninsula and its ford (now named Lynch Strait). North is to the right.