Energy, Heat, Temperature

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Presentation transcript:

Energy, Heat, Temperature State of atmosphere governed by thermodynamics 1st Law: Internal energy = heat + work 2nd Law: systems tend toward more disorder Heat is energy transfer Temperature is related to internal energy

Heat (Energy Transfer) Radiation Penetrates further into water than soil Conduction & Convection Depend on material Governed by temperature gradients Called sensible heating Conduction is transfer through static material Convection is bulk motion of matter

Phase Changes Fusion: solid ↔ liquid Vaporization: liquid ↔ gas Sublimation: solid ↔ gas H2O changes give rise to latent heating Take in heat at surface Release heat at altitude (visibly manifested as clouds) Can move great distances (1000 km) in process

Heat Capacity & Latent Heat Heat capacity is ability to store energy Latent heat is energy required to change phase

Weather is Response to Heat Imbalances

Bowen Ratio R = radiation absorbed H = sensible heating LE = latent heating G = energy stored in ground Explain the differences

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