Week 1 Notes
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This 2 page Class Notes was uploaded by Callie Burnett on Sunday August 30, 2015. The Class Notes belongs to Geo 1305 at Texas State University taught by Paul R Zunkel in Summer 2015. Since its upload, it has received 99 views. For similar materials see Meteorology in Geography at Texas State University.
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Lectures notes?? Yes please! Looking forward to the next set!
-Sunny Gusikowski PhD
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Date Created: 08/30/15
Meteorology Chapter 1 Composition and Structure of The Atmosphere When the earth was formed from rock it started forming volcanic gases Are we or aren t we impacting the atmosphere as humans Yes How Water pollution oil spills car exhausts etc Permanent gasses will have the same percentage no matter where you are Big 3 Nitrogen N27808 o Oxygen 022095 o Argon Ar93 o Variable gasses will vary depending on where you are Ex Gasses will be different if in the Caribbean compared to Alaska Why Because the temperature and water exposure is different lmportant for balance Water Vapor H20 25 heat water Carbon Dioxide C02 039 respiration helps regulate our temps Ozone 03 01 absorber of UV radiation Carbon Dioxide is only bad when humans keep adding to the atmosphere but doesn t remove it Ex global warming Good Ozone near the surface 630 miles on the stratosphere When the sun goes down Bad Ozone near the Earth s surface Smog Chloroflurocarbons CFC s Chlorine Atomic oxygen in the stratosphere and destroys ozone where did CFCs originate 1940 s50 s aerosol cans hairsprays cleaners Methane CH4 good at keeping radiation in Where do we get it Fossil Fuels Permafrost soaks up methane aerosols microscopic particle that are air born natural dust mist human produced combustion products Can remain in suspension for long periods why Because these tiny particles can take over the air and effect gravity ldentifiable temperature characteristics with height Troposphere all weather happens in pretty much this only layer Tropopause boundary between layers and varies in length depending on the temp in regions troposphere stratosphere outcasting anvil top where the clouds cant go any higher so it goes sideways Stratosphere area of little weather Mesosphere coldest atmosphere layer Thermosphere upper most layer Hot Atmosphere vertical structure no definite height lonosphere electrically charged particles within the mesosphere and thermosphere Auroras interactions between the ionosphere subatomic particle emitted from the sun excite atmosphere gasses Density decreases rapidly with height due to gravity Mean Free Path the average distance a molecule travels before colliding with another molecule and releases energy Pressure a result of the atmosphere s mass define at sea level because it is a constant decreases as it goes up just like density more density more pressure lsobars line of pressure in areas Temperature varies in time and location Fronts moving fluid that caused drastic temp changes typically you can get showers and humidity will drop Humidity water vapor in the air at any given time Dew Point Water vapor switching over to water
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