Air Masses and Fronts
A very large volume of air that has a certain temperature and moisture content
When atmospheric pressure is higher than the surrounding air it brings what type of weather?
Happy, Sunny Weather
Surface Currents Are?
Streamlike movements of water that occur at or near the surface of the ocean.
Deep Currents are?
Streamlike movements of water far below the ocean surface.
How do scientists classify air masses?
Water Content and the temperature of the air
When atmospheric pressure is lower than the surrounding air it brings what type of weather?
Lousy, Gloomy weather
What do Surface currents flow like in distinct patterns around the earth?
Rivers
What Mainly Controls Deep Currents?
Changes in water density
The area over which an air mass forms is called?
Warm fronts have warm less dense air, would the energy be on the higher end or lower end?
Lower
What 3 factors contribute to surface currents?
Global Winds, The Coriolis Effect, and Continental Deflections
What 2 things affect the density of water?
Temperature and Salinity
The gulf of Mexico considered to be common _____
Source Region
Stationary fronts are a mix between 2 weak fronts, what are those fronts?
Cold and Warm
Continental Deflection occurs when?
Surface Currents collide with land and deflect or change direction
Cold air chills the water molecules at the surface, causing them to move closer together. As a result, the volume of the water _____, and the water becomes denser.
Decreases
What is the name of every single air mass?
Maritime, Polar, Continental, and Tropical
Stationary fronts are most common in ___ oceans.
Open
The gulf stream, which is one of the longest surface currents, transports ___ Times more water than in the world
25
Starting at a depth of about _____ meters, the water temperature becomes colder as the depth increases.
200