what percentage of the ocean is deep currents and surface currents
90% deep currents and 10% surface currents
how do we measure surface currents
sophisticated modern technology
what direction does north atlantic deep water flow.
southward
la nina
the cooling of the pacific ocean
what drives deep ocean currents
differences in the density of the water
what does the coriolis effect result from?
the rotation of the earth
what way do northern hemisphere winds go?
to the right (clockwise)
what are the water layers of the ocean ?
sunlight zone, twilight zone, midnight zone, the abyss, and the trenches
what upwelling
the process of bringing cooler water to the surface
what causes the global conveyor belt to slow down
rising climate temps
what do ocean currents do?
regulate global climate, distribute heat+nutrients and support marine ecosystems
to the left (counterclockwise)
what is the thermohaline circulation
the process of driving deep ocean currents due to density difference
what are gyres
large, rotating currents, formed by earth's wind patterns
what is a storm surge
long waves created far from the shore , they intensify as they get closer to land
how deep do surface currents
400ft
what is the strongest wind current in the world
what affects thermohaline circulation
temperature and salinity
what creates ocean waves
winds
what is the pacific garbage patch
a gyre in the northern pacific ocean filled with debris and garbage
what is a fetch
bumpy and irregular wind gusts of different strengths
what direction does antarctic bottom water flow
northward
what is el nino
the warming of the pacific ocean
what are tides
the falling and rising of ocean water
what are the 5 subtropical gyres?
1. north pacific 2. south pacific 3. north atlantic 4. south atlantic 5. indian ocean