Term
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Definition
| responses that increase the magnitude of a pertubation |
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Term
| positive feedback Mechanism 1 |
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Definition
| increasing temperature will increase evaporation, air saturation vapor pressure, and heat trapping |
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Term
| Positive Feedback Mechanism 2 |
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Definition
| less artic ice reduces albedo and the earth will absorb more of the sun's energy |
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Term
| Positive Feeback Mechanism 3 |
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Definition
| the oceans may release more CO2 |
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Term
| General Circulation Models (GCM's) |
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Definition
| used to predict hjow increasing greenhouse gases may influence global climate |
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Term
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Definition
| although there is variation among models, they all predict and increase in global temperature |
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Term
| Intergovernmental Panel of Climate Change (IPCC) |
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Definition
| predicted an increase of 1.4-5.8 C by 2100 |
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Term
| Shift (+/-) in food production |
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Definition
10-50% loss in current cropland
10-70% decline in global food |
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Term
| Reduced H20 availablility |
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Definition
- rise in sea level
- 60% of the world's population will live within 100 miles of coastline
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Term
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Definition
- plant distribution is primarily controlled by precipitation and temperature
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Term
| Increase in Weather Extremes |
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Definition
- increase in wildfires
- increase in necromass and weather extremes promotes wildfires
- decreased biodiversity
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Term
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Definition
- harder to maintain homeostasis
- cardiovascular function is directly decreased by even a 1degree C increase in body temperature
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Term
| Increase in Infectious Diseases |
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Definition
- global warming will likely extend the favorable zones of many infections diseases ( encephaitus, lyme diease, and malaria, to places that were one considered safe.
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Term
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Definition
| high greenhouse gas concentrations are directly damaging to lung tissue |
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