Oceanography Test Review

Where do oceans have the most salinity?

• Middle

• Bottom

• Top

• Shoreline

What are the 2 most common ions in ocean water?

• Sodium and chloride

• sodium and chlorine

• Potassium and Chlorine

• Chloride and Oxygen

Changes related to El Nino ocean currents DO NOT affect the water

• True

• False

Ocean basins are all connected by 1 global ocean?

• True

• False

What are the two parts of thermohaline as it relates to deep ocean currents?

• Temperature and Density

• Salinity and Density

• Density and Tension

• Salinity and Temperature

Spring or neap

• Neap

• Spring

Answer explanation

When sun, moon, and earth are inline and create a large pull onto the tides, it cause the water to move like a spring or slinky.

Describe how the currents move in the North Atlantic Gyre (USE PICTURE)

• Circulating water

• Cold water moving

• Warm water rising from the equator, cold water sinking from the poles

Coriolis Effect makes currents flow to the ______ in the northern hemisphere?

• East

• West

• North

• South

What types of currents are driven by wind?

• Thermohaline

• Electrical

• Deep Ocean

• Surface

Why is upwelling important to sea life?

• Allows for photosynthesis

• Plankton gets brought to the surface

• Brings nutrients to the surface water

• Keeps the water fresh