GEOL 207: Environmental Geology: Atmosphere
GEOL 207: Environmental Geology: Atmosphere GEOL 207
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This 6 page Class Notes was uploaded by Justin Notetaker on Tuesday February 2, 2016. The Class Notes belongs to GEOL 207 at Ball State University taught by Neumann in Winter 2016. Since its upload, it has received 30 views. For similar materials see Environmental Geology - Geological/Geochemica in Geology at Ball State University.
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Date Created: 02/02/16
GEOL 207 Environmental Geology Atmosphere - Nitrogen (N2) = 78% - Oxygen (O2) = 21% o Photosynthesis - Argon (Ar) = 0.9% o Stable and do not want to react - Carbon Dioxide (CO2) = 0.039% o Goes up and down. Has recently been going up - Water (H2O) = 10^-5% -- > 4% Nitrogen / Oxygen / and Argon Do NOT have a GRENHOUSE EFFECT Carbon Dioxide and Water DO have a GREENHOUSE EFFECT - Methane (CH4) o Smallest of our natural gases o Naturally occurring (soils) - Nitrous Oxide (N2O) o - Ozone (Ozone) o - Freons (CFCl) (Chlorofluorocarbons) o Methane, N2O, Ozone, Chlorofluorocarbons are measured in (ppm)! - Air Pressure o 1 atm o 1023 millibars @ Sea Level Air pressure goes down as we go up Air pressure increased as altitude decreases - - Troposphere (Convection) o Warm are will rise o Cool air will go down Infrared - Stratosphere (Conduction) o Ozone Absorbs ultraviolet radiation Slower process - Mesosphere - Thermosphere o Very little are but air is similar to troposphere o Absorbs shockwave UV Intercepted by oxygen LATENT HEAT -- > - Water (H2O) o To heat water you have to add: 3.19 kj/kg/ ‘C ‘C = Degree Celsius 0 -- 100 Degrees -- > 419 kj/kg o Vaporization (water -- > vapor) 2260 kj/kg o Condense (vapor -- > liquid) 335 kj/kg GREENHOUSE GASES - Absorb Infrared (IR) o Molecules Rotate / spin around Rotate at certain frequencies Quantum Mechanics Accelerate very quickly Need a kick to get to the next gear o Molecules Vibrate Oxygen & Carbon Freons (ClFC) o 8 – 12 micrometers Absorb: - Water - Chlorofluorocarbons - CO2
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