Lecture 2-7 grg sec2 - Lecture Introduction to Atmospheric...

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Lecture 2-7-08 Introduction to Atmospheric Moisture Water vapor is probably the most important element in the atmosphere when considering weather and climate. The amount of water vapor (gas) in the atmosphere is highly value ranging from near 4% near the equator/tropical regions to near 0% in polar/colder regions. Water vapor is VERY important when considering atmospheric stability. The Hydrologic Cycle Evaporation Condensation Transpiration Infiltration (different soils have different infiltration rates) Know Moisture/ Phase Changes and Latent Heat Changes of State Latent Heat Absorbed During… Melting Evaporation/vaporization Sublimation Released During… Condensation Deposition Freezing Humidity Refers to any one of a number of different ways of specifying the amount of water vapor in the air We express humidity in different ways Absolute humidity Specific humidity Mixing ratio Relative Humidity VERY IMPORTANT FOR TEST
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