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12 Cards in this Set

  • Front
  • Back
What is the relationship between wavelength and temperature?
Wavelength is inversely related to temperature
The shorter the wavelength?
The longer the wavelength?
Hotter the object
Cooler the object
3 things insolation does as it reaches the earth system ("insolation budget")
1. 53% absorbed at earth's surface
2. 17% absorbed by atmosphere
3. 30% is reflected back
What is the albedo? and what factors contribute to albedo.
Proportion of insolation that is reflected back by a particular surface. Factors: COLOR, slope, compostition, moisture content. Higher the albedo the lighter the surface, lower the albedo the darker the surface.
What can happen to the Earth's radiant energy?
1. 91% Absorbed by the earth's atmosphere
2. 9% Escapes to outer space
What is counter-radiation?
Downward flow of longwave radiation from earth's atmosphere to the earth's surface.
What is the Kyoto Protocol?
An amendment to UN treaty on climate change, to reduce CO2 emissions, negotiated in Kyoto, Japan in 1997, more than 160 parties (mostly countries) have ratified it
Atmosphere: "blanket of air" means what?
a heat engine that produces our weather and climate, begins a few meters within the soil but upper level harder to define
What is the difference between Constant Gases and Variable Gases?
Constant Gases (Nitrogen, Oxygen) make up the majority of the atmosphere.
Variable Gases (Water Vapor, Carbon dioxide, Ozone, etc.)
What do Impurities do?
They serve as condensation nuclei.
(Ex. such as dust, plant spores, exhaust, smoke)
Where does atmosphere "end" and outer space "begin"? According to text? NASA? Karman Line?
No well-established and universally accepted boundary definition exists.

The Limits (according to our text) suggests: 60,000km or 37,000mi about earth's surface.

NASA: 80km or 50mi above earth's surface.

Karman Line: 100km or 62mi above earth's surface.
(Represents boundary separating aeronautical and astronautical interests)
Homosphere based on Composition
about 50-63mi (80-100km)
uniform chemical composition ("homogenous")
mixed well due to vertical air motions and molecular collisions
upper limits consistent with NASA definition and Karman Line