Air masses & fronts
How do scientists classify air masses?
By the water content and tempature of the air.
What does a symbol with blue spikes represent?
Cold front
True or false? Ocean currents are stream like movements of water.
True
What is a deep ocean current?
A ocean current that takes place deep in the ocean.
What causes such an abrupt change in weather?
Air masses.
What does a symbol with red circles represent?
a warm air mass that has taken over a cold air mass
Define an ocean current
stream like movements of water.
What causes deep ocean currents?
Surface wind driven currents generate up welling currents in conjunction with land forms.
What is a air mass?
A large volume of air that has a certain temperature and moist content.
What type of weather is with a low pressure system?
Cloudy skies and moist air.
ocean currents that occur at the surface
What are the characteristics of deep ocean currents?
density driven.
warm or hot air.
What type of weather is associated with a high pressure system?
clear skies and dry air.
What is the Coriolis effect?
Continental deflection
True or false do deep ocean currents affect climate change?
True
What are polar air masses characterized by?
cool or cold air.
What is the type of pressure that has cloudy skies and moist air?
Low pressure.
What is a gulf stream?
One of the strongest currents on earth.
What controls deep ocean currents?
Differences in water density.