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Ocean and Climate Study Guide
These are the ones I need to practice.
Terms in this set (16)
What is the main dissolved gas in the global ocean?
Carbon Dioxide (CO2)
What are three ways that these dissolved gases get into the ocean?
Run-off water entering from streams and rivers
Volcanic eruptions and organisms that live in the ocean
dissolving into the ocean from the atmosphere
What two factors affect the surface temperature of the ocean? (Think about our temperature lab)
Location on the Earth's surface (latitude) and Depth
Where is the densest ocean water found? Why? (Think in terms of temperature and salinity)
Polar regions because the water is so cold and has a high salinity due to the amount of water trapped up in frozen icebergs.
What three factors affect surface currents?
What is the Coriolis Effect?
the apparent deflection of objects (such as wind and ocean currents) moving in a straight path relative to the earth's surface
What is a gyre?
A huge circle of moving ocean water found above and below the equator
How do gyres flow in the Northern Hemisphere? CLOCKWISE or COUNTERCLOCKWISE
How do gyres flow in the Southern Hemisphere? CLOCKWISE or COUNTERCLOCKWISE
What is the pressure and weather like at the doldrums? HIGH or LOW
Low, The air is warm because of the direct rays of the sun. Warm air rises, causing low pressure.
What is the pressure and weather like at the horse latitudes? HIGH or LOW
High, The warm air from the equator is beginning to cool and sink, creating high pressure.
Deep current move SLOWER or FASTER than surface currents do?
What drives deep ocean currents?
Deep ocean currents are driven by different densities of water. Cool, high salinity water sinks and warm, low salinity water rises.
What is thermohaline circulation?
Thermohaline circulation is the movement of ocean water based on different densities of water. Cool, high salinity water sinks and warm, low salinity water rises.
What is the left side of a mountain? WINDWARD or LEEWARD
What is the right side of a mountain? WINDWARD or LEEWARD
How does the weather vary on the windward and leeward side of the mountain? Why?
The weather on the mountain is typically moist because the air is forced upward, condensation leads to cloud formation, and precipitation occurs. The weather on the leeward side of the mountain is typically dry due to the fact that all of the precipitation has already been released on the windward side of the mountain.
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