Motion of water and air currents in the northern hemisphere are always deflected to the right from the perspective of initial motion.

Assignment 3 – The Coriolis Effect (20 pts total)

 

 

The Coriolis Effect and Ocean Surface Currents

Because the Earth rotates, the Coriolis effect causes deflection of water and air currents in both the northern and southern hemispheres. Below is a diagram showing some of the resulting deflection caused by the Earth’s rotation and the Coriolis effect. Solid arrows show the initial direction of motion of the material (water, air), and dashed arrows show the resultant direction of motion due to deflection caused by the Coriolis effect.

 

1. Motion of water and air currents in the northern hemisphere are always deflected to the right from the perspective of initial motion. This creates circular patterns that move

CLOCKWISE COUNTERCLOCKWISE (1 pt)

 

2. Motion of water and air currents in the southern hemisphere are always deflected to the left from the perspective of initial motion. This creates circular patterns that move

CLOCKWISE COUNTERCLOCKWISE (1 pt)

 

 

3. The arrows below indicate initial direction of motion of ocean water and winds. Which arrows show the correct Coriolis deflections for their hemisphere? (1 pt)

 

Red arrows Green arrows Both red and green Neither red nor green

Diagram  Description automatically generated

4. Extend the red and green arrows on the above image to show the circular pattern of water/air motion created by the Coriolis Effect. (2 pts)

 

 

 

coriolis.jpgUse the image below to answer questions 5-7:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5. Choose a location somewhere on the equator and draw a dot. Then, imagine that is your starting location and you are traveling due north in an airplane. Draw the path the airplane will take, taking into consideration the Coriolis effect. (1 pt)

 

 

6. Using the same starting point, imagine now you are traveling due south in an airplane. Again, draw your path, considering the Coriolis effect. (1 pt)

 

 

7. Now choose a point somewhere on the planet that is NOT on the equator. Draw a star to indicate your starting point. Decide with direction you will travel. Draw your path taking into account the Coriolis effect. (1 pt)

 

 

 

8. On the map below, label the Northern Hemisphere and the Southern Hemisphere (1 pt)

 

 

9. On the map above, draw in the ocean gyres in the northern hemisphere oceans. Be sure they are moving in the correct direction based on Coriolis Effect. (2 pts)

(Hint: There are two)

 

 

10. On the map above, draw in the ocean gyres in the southern hemisphere oceans. Be sure they are moving in the correct direction based on the Coriolis Effect. (2 pts)

(Hint: There are three)

 

 

11. Japan is on the western side of the Pacific ocean. Would you expect the water temperatures off the coast of Japan to be more similar to Southern California or South Carolina (refer to the map above). Explain. (2 pts)

 

 

 

 

 

 

 

 

12. A shipment of rubber duckies falls off a cargo ship at location A in the map below. Explain the path the rubber duckies will follow using the letters shown, and where they may end up?

(2 pts)

 

 

 

 

 

 

13. Could the rubber duckies end up at location B. (1 pts)

 

YES NO

 

 

 

14. Imagine a shipment of rubber duckies fall off of a cargo ship at location K on the map above. Draw in the path the duckies would take on the map, taking into account the Coriolis Effect, and indicate one letter on the map where they could end up besides K. (2 pts)

 

 

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