Dead Sea

Location and physical setting

The lake occupies part of the Jordan Rift Valley and is shared by the territories of the West Bank and Jordan. The surface sits far below average ocean level; measurements and descriptions of its elevation are available at sea level resources, which explain why it is commonly described as the lowest exposed land point on Earth in most references, see lowest point.

Characteristics

• Salinity: The Dead Sea is extremely salty—several times saltier than typical seawater—so comparisons with ordinary ocean salinity are often used to illustrate this extremity.
• Biology: The high salt content prevents most multicellular organisms from surviving; descriptions of how most life is excluded contrast with the specialized microbes that remain, including halophilic bacteria and archaea.
• Buoyancy: Salt increases water density, which explains why humans float more easily in this water; popular guides discuss the phenomenon and safety tips at buoyancy and floating.

Because of these features, the Dead Sea has long attracted scientific interest as well as visitors seeking the unusual sensation of effortless floating. Many travel and health resources highlight its recreational reputation; see tourism information for visitor guidance.

The lake also has economic and cultural importance: its mineral-rich waters and shoreline deposits yield salts and potash that are harvested commercially. Geologically, it lies within a tectonic rift system, and its basin reflects long-term evaporation and inflow patterns. In recent decades the surface area and water level have fallen, prompting concerns about water management, sinkholes along the shore, and regional environmental impacts. Efforts to study and address these challenges combine local initiatives and international scientific research.

Notable distinctions: although commonly called "dead" because most larger organisms cannot live in it, the Dead Sea sustains extremophile microorganisms and supports a human economy based on its minerals and therapeutic marketing. Its unique combination of geography, chemistry, and human use makes it an important natural landmark and a subject of ongoing environmental attention.