Beach erosion around the Pacific appears to be frequently caught in the whip-saw action of cycles of El Nino and La Nina weather patterns. While one is hammering the east side of the Pacific, the other is man-handling the west side. Then they trade off.
Researchers say with global climate change and the heating of the atmosphere and the world oceans, these weather events will likely get stronger and more sustained, forcing nearly 200 million coastal residents to flee their homes and in many cases, their homelands.
Here’s more from an abstract from OSU. Click here.