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Accelerating sea level rise due to global warming is supposed to eat away at the shorelines across the globe. However, a recent paper published in the journal Nature here authored by a team scientists led by Arjen Luijendijk found that some 75% of the world’s sandy shorelines are stable or growing!
An analysis of satellite-derived shoreline data indicates that 24% of the world’s sandy beaches are eroding at rates exceeding 0.5 m/yr, but 28% are accreting and 48% are stable.
Erosion - Rates - M/yr - % - Shoreline
Also, erosion rates exceed 5 m/yr along 4% of the sandy shoreline and are greater than 10 m/yr for 2% of the global sandy shoreline.
According to the paper, the application of an automated shoreline detection method to the sandy shorelines resulted in a global dataset of shoreline change rates for the 33 year period 1984–2016.
Scientists - Australia - Africa - Continents - Erosion
The scientists also found that Australia and Africa are the only continents for which net erosion (−0.20 m/yr and −0.07 m/yr respectively) is found, with all other continents showing net accretion.
What’s surprising is that another researcher has determined that melting ice caps from global warming induced ice melt does not contribute to sea level...
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