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Southern California beaches could suffer unprecedented erosion: Study
California is one of the places where many beaches would likely completely erode by 2100 as global warming continues to push sea levels up, a new study by the U.S. Geological Survey (USGS) has warned.
According to the USGS, California could find anywhere between a third to two-thirds of its beaches in the southern part completely eroded by the end of this century.
The federal agency said in a statement, “With limited human intervention, 31 to 67 percent of Southern California beaches may become completely eroded (up to existing coastal infrastructure or sea-cliffs) by the year 2100 under scenarios of sea-level rise of one to two meters.”
Scientists reached the conclusion after using a newly-developed computer model dubbed Coastal Storm Modeling System – Coastal One-line Assimilated Simulation Tool (CoSMoS-COAST).
As per the National Oceanic & Atmospheric Administration, the average global sea level was 2.6-inch higher in 2014 than the average recorded in 1993, and sea levels keep on rising at an average of around 1/8th of an inch every year.
The effect of beach erosion isn’t just a matter of affecting a state’s tourism economy. Losing the defensive swath of beach sand between human settlements and the throbbing surf exposes businesses, homes and other critical infrastructure to damage.