Drought and sea level rise have caused salt water from the Atlantic Ocean to creep into the Delaware River Basin, a major source of drinking water for Philadelphia and the surrounding area ...
During the first phase, salt accumulated in a brine-filled Mediterranean basin; in the second phase, salt accumulated in a completely isolated Mediterranean Sea from the Atlantic Ocean due to the ...
Some theories suggest that changes in ocean circulation due to natural variations of North Atlantic surface water salinity were the trigger for the D-O events (the salt oscillator hypothesis ...