Air masses and fronts
what are air masses
a large of air that has a certain temperature and moisture content
what is low pressure
low pressure is when you get higher up in the atmosphere and air pressure decreases
Horizontal stream-like currents found near the surface of the?
ocean
Define salinity
the amount of salt in the water.
what are cold air masses?
They are very cool and very wet they form over the Atlantic ocean
what is weather?
the state of the atmosphere at a place and time.
water near the equator absorbs what?
heat energy
how do deep currents form?
the density of the ocean water increases
what are warm air masses?
warm air making tropical weather
what is climate?
weather conditions over a long period of time
the earths rotation affects the path of what?
surface currents
what are deep currents controlled by?
water density
what are fronts?
the place where two or more air masses meet
why does Iceland have milder temperatures than Greenland?
the warm water warms the surrounding water
the three factors of surface currents are?
global winds, the Coriolis effect and continental deflections
name one main deep current.
Antarctica bottom water or the Atlantic deep
what is the weather like of a cT air mass?
cold hot,mixture
there will probably be more precipitation in an area if the prevailing winds are...
warm and moist
where does the gulf stream flow to and from?
Florida to europe
warm water cools as it moves toward the _____ then becomes dense then sinks
poles