Chap6_Atm_Moisture_2sakai

Chap6_Atm_Moisture_2sakai - Atmospheric Moisture! Phase...

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Unformatted text preview: Atmospheric Moisture! Phase Changes of Water Two phase changes Energy (calories) Phase change from liquid to gas: Energy used to increase temperature (b to c) and to break hydrogen bonds (c to d). During a phase change of water: a. Little energy is released or absorbed b. Large amount of energy is released or absorbed c. Large changes in temperature occur d. Both b and c The condition of the atmosphere when it contains as much water as it can hold at a given temperature (state of total wetness) is known as: (A) breaking point (B) saturation (C) atmospheric climax (D) perspiration (E) conditional humidity At dew point, relative humidity is: (A) 10% (B) 50% (C) 100% (D) 0% (E) 75% (A)drop drastically at 4AM (B) keep an even balance (C) be lowest in the afternoon and highest just before dawn (D) be lowest at dawn and highest in the afternoon (E) be highest at midnight There is an inverse relationship between temperature and relative humidity such that relative humidity tends to: Hydrologic Cycle constant change in state of water molecules Mass Balance: Evaporation = Precipitation Evaporation liquid to vapor takes energy from the surrounding therefore it cools the surrounding- Evapotranspiration - Enhanced by- warmer air- low relative humidity- direct sunlight = Evaporation + Transpiration Evapotranspiration Condensation: gas to liquid...
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Chap6_Atm_Moisture_2sakai - Atmospheric Moisture! Phase...

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