July 6, 2000 - July 3, 2022 (NASA) LAKE MEAD, Ariz. - A megadrought impacting the Southwest continues to deplete water levels in Lake Mead, making areas that were once underwater now visible from space.NASA released a series of images Wednesday that showed the deterioration of the lake’s level over the last two decades.The U.S.
Bureau of Reclamation said water stages are near levels last seen in April 1937, and it’s estimated the reservoir is at 27 percent of capacity.The series of images show an increase in light-colored fringes along the shoreline, which indicates the depleting water levels and the increasing visibility of land.Lake Mead satellite pictures since the year 2000 show the decreasing water level. (NASA) NASA says this "bathtub ring" effect is typically made up of calcium carbonate and other minerals that are now visible on the sandstone around the lake’s banks.HOW TO WATCH FOX WEATHER ON TVSkeletal remains have been found in a sunken barrel at Lake Mead as water levels drop to their lowest since 1937, FOX 5's Dani Masten reports. (Video via KVVU)In addition to supplying water to residents in two countries, the reservoir is an essential source of hydropower for millions in several western states.The U.S.