5 Written questions
4 Multiple choice questions
- Upwelling common along in the equator that creates areas of high productivity, prolific for fishing grounds.
- A circular eddy of a surface current that contains cold water in its center surrounded by warm water and rotates counter-clock wise in the Northern Hemisphere.
- Process where water rises from below to replace the water moving away from the shore.
- Current in Antarctic waters that encircles Antarctica and flows from the west to east at approximately 50 degrees south latitude but varies between 40 and 65 degrees south latitude.
4 True/False questions
El Nino → Warm water current usually occurred around Christmas.
Thermohaline circulation → An integrated model combining deep thermohaline circulation and surface currents that resembles a large conveyor belt.
Warm-core ring → Warm sea water eddies that rotate clockwise surrounded by cooler water.
Western intensification → An east-west atmospheric pressure seesaw that accompanied El Nino.