In Figure 1, waves arrive at the shore at not quite a right...

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AMS Ocean Studies Investigation 7A: COASTAL PROCESSES 1. The orthogonal you drew ________. If you were to draw other orthogonals on the same map panel, they would be oriented “parallel” to the orthogonal you drew. a. is straight b. curves toward the shore c. curves away from the shore
2. The right panel of Figure 1 shows wave crests approaching shore from a different oblique angle. With your pencil, continue the orthogonal started on the wave crest in the lower right to the shore. This orthogonal ________.
3. In Figure 1, waves arrive at the shore at not quite a right angle. Recall that breaking waves approaching the shore at an oblique angle give rise to currents flowing parallel to the shoreline. In the left panel of Figure 1, a thin sheet of water follows a diagonal path up and to the right on the sloping beach face and then flows seaward directly down slope. This zig-zag motion rolls sediment along the beach face. At the same time, the oblique approach of waves produces water motion flowing parallel to the shore, known as a longshore current. A longshore current transports sediments as littoral drift along the coast. The longshore current in the left panel flows from ________. Draw arrows in the two panels representing the direction of their respective longshore currents. a. right to left
4. If the wave crests approaching the same shoreline from deep water were parallel to the shore, the orthogonals associated with them would ________. [If you are not confident of your

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