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Water level in Utah’s Great Salt Lake hits historic low

US
26.07.2021
52
Water level in Utah’s Great Salt Lake hits historic low

The water levels at the Great Salt Lake have hit a historic low, a grim milestone for the largest natural lake west of the Mississippi River that comes as a megadrought grips the region.

On Saturday, the US Geological Survey announced average daily water levels had dropped about an inch below the previous record of 4,191.4ft (1,278 meters) above sea level, which was set in 1963.

The new record comes months earlier than when the lake typically hits its lowest level of the year, indicating water levels could continue to drop even further, said Candice Hasenyager, the deputy director of Utah’s division of water resources.

Receding waters are already affecting a nesting spot for pelicans, which are among the millions of birds dependent on the lake. Sailboats have been hoisted out of the water to keep them from getting stuck in the mud. As more dry lakebed is exposed, arsenic-laced dust blows into the air that millions breathe.

People for years have been diverting water from rivers that flow into the lake to water crops and supply homes. Because the lake is shallow – about 35ft (11 meters) at its deepest point – less water quickly translates to receding shorelines.

Most years, the Great Salt Lake gains up to 2ft from spring runoff. This year, it gained just 6in (15cm).

The drought is drying up lakes across the west and worsening massive wildfires affecting California and Oregon. Utah’s governor, Spencer Cox, a Republican, has begged people to cut back on lawn watering and “pray for rain”.

Extreme conditions like these are often caused by a combination of unusual random, short-term and natural weather patterns heightened by long-term, human-caused climate change.

Scientists have long warned that the weather will get wilder as the world warms, and climate change has made the west much warmer and drier in the past 30 years.

Author:guardian