Ocean Currents Reading Check Pop Quiz

What are the units of density?

• psi

• psu

• kg/m³

• celsius

As seawater temperature decreases, density?

• remains constant

• decreases

• increases

As seawater salinity increases, density?

• remains constant

• decreases

• increases

Generally speaking, what is the relationship between temperature and salinity of ocean water?

• when one goes down, the other follows the same trend

• they are inversely related (the opposite)

• they are independent of each other

Generally speaking, what is the relationship between density and salinity of ocean water?

• when one goes down, the other follows the same trend

• they are inversely related (the opposite)

• they are independent of each other

Where would the "mixed layer" be in the summer months?

• no change

• shallower

• deeper

What temperature profile would you expect to find in polar regions?

• no change

• higher

• lower

Waters along the equator are often referred to as?

• tropical

• temperate

• polar

Waters near the arctic circle are often referred to as?

• tropical

• temperate

• polar

Waters between the equator and polar zones are often referred to as?

• tropical

• temperate

• polar