OCEAN 100
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32 Terms
what must you do to water in order to make it change phases?
do both
why is solar radation the strongest around equatorial regions?
the earths surface faces the incoming radiation at a high angle so a lot of energy is absorbed
columbus first sailed to Americas at the latitudes of N africa. Which winds helped him sail?
easterlies
what is a high pressure system again?
air is falling to earths surface, heating up and diverging
hurricanes in the north atlantic ocean basin affect the —— of that basin
west
where is the warmest ocean?
west pacific
why do you think the storm was so catasrophic for New Orleans?
the severe floods destroyed many houses
what is the force that makes surface currents move?
prevailing winds
hurricanes in the north atlantic ocean basin affect the ____ of that basin
west
where is the warmest ocean
west pacific
why do you think this storm was so catastrophic for new orleans?
severe floods destroyed many houses
where would you expect a humid and generally warm climate?
SE coast of the us
where are waters warmer?
west pacific
what can we say about the gulf stream?
its a western boundary current because its in the west of the ocean basin and moves clockwise
what do you think the term el nino means in oceanography?
bad weather during winter
between the equator and 30 deg, winds blow towards —-?
west
thermal contraction
when something gets smaller when it cools down
3 phrases of water
solid, liquid, and gas
what is salinity? high/low?
salinity - how much salt
high - a lot of salt
low - very little salt
what is the most abundant gas in our atmosphere?
nitrogen
what must you do to water in order to change phases?
add or remove heat
where do cold salty waters sink?
at high latitudes
surface salinaty is highest where?
precipitation is lowest
whats the latitude of San Diego?
32 deg N
what is the oceans average salinity?
35%
what are the most abundant ions?
chloride and sodium
what drives weather?
the sun, atmosphere, oceans, earths rotation
where is solar heat absorbed the most vs the least?
most = @ the equator, sun hits it directly
least = @ the poles, sun hits at an angle more spread out
what distributes heat around the earth?
atmosphere (winds) and oceans (currents)
what is the coriolis effect?
air curving instead of going straight because of earths rotation
what is a storm surge?
when water gets pushed onto land
subtropic gyres
Huge circular loops of surface water in each ocean basin.