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Fierce or gentle, ocean waves are all one type

Watching storm waves crash ashore, it?s obvious these monsters are taller than the waves that lap the beach on a calm, sunny day.This seemingly clear dichotomy led geologists to assume that there were two types of waves stirring up the shallow seafloor: small fair-weather waves and big storm waves. Now, this decades-old theory has been turned on its head by two geologists at the University of Wisconsin, Madison, who, in the process of studying waves, discovered a large size discrepancy between waves in different oceans.