topic 7 lesson 3 Flashcards
what is a large stream of moving water that flows through the ocean
stream
what are the 2 types of ocean currents
surface, deep
_______ currents are formed by global winds
surface
what kind of currents are affected by global wind belts
surface currents
uneven heating and the Coriolis effect create what
global wind belts
yes or no
the facors that create global winds are the same factors that creat surface currents
yea
where do the warm currents get moved to
the poles
where does the cold water currents go to
the equator
True or false
The Corolis Effect affects the ocean currents just like they do the air currents
true
what direction do the ocean currents rotate in the Northern hemisphere
clockwise
what direction do ocean current rotate in the southern hemisphere
counter clockwise
What forces the ocean currents to change paths
continentss
The ____ Stream is a huge ocean current that brings warm water poleward.
gulf
What would happen to the climate of northern Europe if this warm current did not pass by?
it would be cold and bry
how often does the El Nino occur
every 2-7 years
what way to the winds start to blow during an El Nino
west to east
what kind of currents does El Nino bring
warm currents
what happened because of an El Nino
there was more rain in California
what way do the winds blow during the La Nina
east to west
_______ currents are caused by the difference in density of ocean water
deep
water begins to sink as it move towards ____________
the poles
why does the water become more salty
ice forms, water evaporates
True or false
Deep Ocean Currents are also affected by the Coriolis Effect
True
Deep Ocean currents move very ________
slowly
