Oceanography Exam Answers
Spring 2016 [120 pts.]
Name: Wainani Wetter
Complete the following sentences with the correct term [20 pts. / 1 pt. each]
DEAD ZONE a). The lack of oxygen in ocean regions creates ____ conditions.
ISOHALINE b). A ___ represent the vertical concentration of salt in the ocean.
EKMAN SPIRAL c). The speed of a wave is known as _____
BIORMEDIATION d). The use of bacteria and fungi to break down oil from a spill is called_____. TOMBOLO e). A ____ is a sandbar that connects an island to the mainland
DEPOSITIONAL SHORE f). The opposite of an erosional shore is a ___.
HIGH TIDES g). The greatest pull of the moons gravity on the ocean occurs at it’s ______.
FLOOD TIDE h). The opposite of an ebb tide is a _____.
ECONOMIC i). The ____ is the political boundary of 200 nautical miles that surrounds islands and extends …show more content…
12.Explain sand movement along a beach.
There are two types of snat movement along the beach, perpendicualr and parallel. Perpendicular is when the sand is moving twoard the shoreline and away. In cases like swash,where the water rushes up the beach or the backwash, where water drains back into the ocean. These are cases in which the sand moves perpendicular. The other type is parallel. This is when there is a long shore current and the sand is moved up or down the coast.
13.What happens during longshore transport.
The waves approach the shore in a slanted or at an angle and the path of sanf particles sort of project off of the upcoast or the land and downcast long the ocean floor. They are moving in a parallel movement as explained in the pervious question. I have included a diagram that will help explain.
14.What is the difference between an erosional and a depositional