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27 Cards in this Set
- Front
- Back
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What did the Montreal Protocol ban? |
Freons |
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What was the effect of the Montreal Protocol? |
-lowered global warming |
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How much has the climate warmed since the early 20th century? |
.9 degrees C |
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Ocean Heat Content Measurement |
rising heat in the upper ocean |
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What is the difference between climate and weather? |
climate is long term and weather and unpredictable |
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Key greenhouse gases |
-CO2 |
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What force controls water vapor? |
climate |
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explanations for "missing" energy |
-melting ice |
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water vapor feedback predicts what? |
predicts the atmospheric specific humidity increases |
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Human influence affects which greenhouse gases? |
-carbon dioxide |
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What do natural greenhouse gases do? |
/icesustains the heat for life |
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snow/ice feedback predicts what? |
retreat of snow cover with warming temperatures
- |
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How much does the sea level rise per year? |
1 inch |
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The effects of the sun |
-.2% variations |
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Sensitivity |
-warming and cooling from feedbacks |
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Temperature change from double the current CO2? |
2.7 to 8.1 degrees F |
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Other atmospheric gases |
-CH4 (livestock) |
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Particles that drive sensitivity |
-sulfuric acid |
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Drivers of climate change |
-gas increase |
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The Greenhouse Effect |
surface warming from infrared radiation emitted by atmospheric gases |
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What causes ice ages? |
-orbital variations |
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What is expected sensitivity? |
the mixture of feedbacks (2/3) and cloud-based uncertainties (1/3) |
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Orbit Variation |
distribution of solar heating |
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Changes to radiative forces? |
-luminosity |
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Water vapor feedback |
-positive |
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snow/ice albedo |
-positive |
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"Snowball Earth" |
-glaciers on all continents |
