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11 Cards in this Set
- Front
- Back
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3 atmospheric layers |
1. stratosphere (lowest 10 km) 2. ozone 3. troposphere (10-50 km) |
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why is gas displaced in the atmosphere? |
because the atmosphere is in motion |
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Fires produces high levels of... |
carbon monoxide |
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gyres |
a circular pattern of currents in an ocean basin |
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2 kinds of ocean current: |
1. surface current 2. deep current |
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what happens when currents go north to cooler parts: |
as current goes north, it starts to cool, as it cools, it gets denser and flows back under warmer surface currents |
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problem with rising temperatures: |
as ocean warms up, the difference between ocean surface water and deep water is diminishing |
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what happens with sea water mixes with fresh water: |
it lowers the density |
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what happens when water is warmer: |
it expands - sea level rises when water is warmer |
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La Nina El Nino |
La Nina: dry and warm El Nino: wet and cold (we want El Nino) |
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normal pattern of equatorial water flow: |
equatorial currents and wind flow WEST |
