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15 Cards in this Set
- Front
- Back
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Cimate
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*the long term prevailing weather conditions at a particular place based upon record taken.
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Latitude
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*the distance from the equator measured in degrees north or south of the equator.
*influences climate because the amount of the solar energy falls on areas that are near the equator than on areas that are closer tot he poles. |
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Atnisogeruc curcykatuib
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*1.cold air sinks because it is denser than warm air. 2. As cold air sinks, it compresses and warms.
3.Warm air rises. It expands and cools as it rises. warm air coools, the water vapor it contains may condense into liquid water to form rain, snow or fog. |
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Ozone Hole
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*a thining of stratospheric ozone that occurs over the pole during spring.
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How does the ozone hole form?
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*circulating winds over Antarctica, called polar votex, isolate cold air from surrounding warmer air.
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Greenhouse gases
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*the earths atmosphere acts like the flass in a greenhouse.
*sunlight streams through the atmosphere and heats the earth. Heat is absorbed by gases int he troposphere and warms the air. |
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How do developed countries compare with developing countries in terms of the production of greenhouse gases?
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*
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Effect of Ozone Thinning on Humans
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*as the amount of ozone in the stratosphere decreases, more ultraviolent passes through to reach the earth.
Human effects: skin cancer, premature aging of the skin, cataracts, weakened immune response |
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Effect of UV on Amphibians
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*death of eggs
*genetic mutations *reduction of population |
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Effects of UV on Marine Life
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*death of phytoplankton in surface water
*disruption of food chain *reduction in the number of photosynthesizers |
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Effects of UV on Land Plants
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*interference with photosynthesis
*reduced crop yields |
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Protecting the Ozone Layer
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*countries have banned CFC's, chlorofluorocarbon.
**see page 362 for chart information. |
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Rising Carbon Dioxide Levels
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*the increase is due to fossil fuels that are burned.
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Human Health Problems
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*warmer average global temperatures pose threats to human health.
*warmer temperatures enable mosquitoes= malaria *humans suffer from outdoor allergies longer such as pollen. |
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Effects on Plants and Animals
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*causes a shift in the geographical range of some animals.
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