USGS warns sea level rise could double erosion rates along SoCal coast

Mail Online | 7/10/2018 | Cheyenne Macdonald For
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Rising sea levels could spell disaster along the Southern California coast before the end of the century.

A worrying new study has found that coastal cliffs stretching roughly 300 miles from Santa Barbara to San Diego are at risk of eroding at more than twice the historical rate by the year 2100.

Sea - Levels - Rise - Experts - Bluff

Depending on how much sea levels rise, experts warn the bluff tops could lose upwards of 135 feet in some areas, potentially causing billions of dollars in damages and displacing hundreds of thousands of residents.

‘Sea cliff retreat is a serious hazard,’ said USGS research geologist and lead author Patrick Limber.

Study - US - Geological - Survey - Scenarios

The new study from the US Geological Survey modelled several scenarios for sea level rise by 2100, ranging from 1.5 feet to 6.6 feet.

The team used five different models to forecast the different ways in which cliffs crumble, giving rise to an ‘ensemble forecast’ for cliff retreat for the first time, which produces a range of values.

Addition - Sea - Level - Rise - Estimates

In addition to the varying sea level rise estimates, the...
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