Exam 10: The Restless Ocean

Marine terraces in coastal California are evidence that this coastal area is emergent.

Upwelling, the rising of water from deeper layers of the ocean, is a wind-induced movement that brings ________ water to the surface.

Currents within the surf zone that flow parallel to the shore are known as ________ currents.

Match the items in the first column with the correct descriptions in the second column. A)building structures along the coastline to prevent movement of sand B)a deposit of sediment resulting from a flood current passing through an inlet C)like the Atlantic coast of the United States, an area of sea level rise relative to the land D)the amount of time it takes for two wave crests to pass the same point E)like the Pacific coast of the United States, an area of land uplift relative to sea level F)the sawing and grinding action of water armed with rock fragments G)pumping sand onto the beach from some other area, temporarily replenishing the sediment supply H)the distance from one wave crest to the next -1)abrasion 2)wave period 3)wavelength 4)hard stabilization 5)beach nourishment 6)submergent 7)emergent 8)tidal delta

Examine the figure. Of the three forms of hard stabilization illustrated here, which one is the groin?