Dead Sea 342 parts per thousand (in 2002), and a temperature that swung between and . Underneath a zone of transition, the lowest level of the Dead Sea had waters of a consistent temperature and complete saturation of sodium chloride (NaCl). Since the water near the bottom is saturated, the salt precipitates out of solution onto the sea floor. Beginning in the 1960s, water inflow to the Dead Sea from the Jordan River was reduced as a result of large-scale irrigation and generally low rainfall. By 1975, the upper water layer was saltier than the lower layer. Nevertheless, the upper layer remained
Matsesta River Matsesta River The Matsesta (, ) is a river in Krasnodar Krai, Russia, that flows into the Black Sea. The river rises in the southern ranges of the Alek mountains at an elevation of above sea level and flows through the Khostinsky City District of the city of Sochi and into the Black Sea. The river is long, and the highest point in the river's basin is above sea level. The river has numerous tributaries, the largest of which are the Tsanyk and Zmeyka. The Matsesta is most famous for its sources of mineral water. The name of the river