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
Red Sea–Dead Sea Access In August 2013, Jordanian government announced that it would move ahead with the first phase of the project. On December 9, 2013, an agreement to build the pipeline was signed by Israel, Jordan and Palestine. Red Sea–Dead Sea Access The Red Sea–Dead Sea Access is a series of highway construction projects intended to bring easy transportation and prosperity to Jordan, Israel, Palestine and the surrounding area. An agreement was signed in Amman on October 24, 1974, between the Retired Servicemen Engineering Agency (RSEA) of Taiwan and the Jordanian government, under which a new "road to friendship" will be built in