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Radiation (ch.2 review)
Terms in this set (14)
What is potential vs. Kinetic energy - how is kinetic energy defined in the atmosphere?
Potential - energy hasn't been used up and it's stored up
Kinetic - energy of motion (temperature)
Know the difference between warm and cold air
warm hair - higher energy (expand)
cold air - less energy (compress)
What are the main differences between Fahrenheit, Celsius, and Kelvin?
Fahrenheit - U.S.
Kelvin - science (doesn't drop below 0)
What are Heat Capacity and Specific Heat?
how much energy an object can hold
Which has a higher heat capacity? Water or Land?
-water has high heat capacity
What is latent heating and how does it effect temperature?
adding heat to change phase
air's temperature is used to force water to change phase
Latent heats of evaporation and condensation
water evaporating lowers temperature
Heat transfer - conduction and convection
conduction - touch an object and heat conducts into the object (energy transferred by touch)
convection - setting an object on fire and wherever the heat and smoke goes (energy transferred by movement)
What is advection?
heat moves from one place to the other carried by the wind
What is the difference between longwave and shortwave energy?
longwave - low energy (weaker like microwaves, infrared)
shortwave- high energy (x-rays, gamma rays, uv rays)
What is the EM spectrum and what are the primary types of solar and Earth radiation?
solar - visible rays
earth - infrared
What is the Greenhouse effect? Natural? Man-made?
earth gets warmer and tries to send the heat to outer space and the greenhouse allows light in and the heat comes back which keeps the earth warmer
What is albedo? What is the average Earth albedo? Which surfaces have high albedos?
albedo - earth's reflection (biggest reflectors are lighter in color)
average albedo - 30% - 31%
surfaces - clouds, snow, ice, sand
Understand the basics of energy balance on Earth - where is there a surplus and deficit?
surplus - near the equator
deficit - near the polar regions
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