A general class of phenomena where, after a storm surge, the water level falls, rises, falls again, rises again, and so on for many hours after the passage of a hurricane This has been variously explained as being due to oscillating long waves, edge waves, Kelvin waves or some combination thereof See Wiegel (1964)
If there is a resurgence of an attitude or activity, it reappears and grows. Police say drugs traffickers are behind the resurgence of violence. the reappearance and growth of something that was common in the past resurgence of (resurgent (18-21 centuries), from resurgere , from surgere; SURGE)
An increase of a pest population after a period of decline, to a level higher than its original one, especially when the decline is caused by a pest control measure