'Saturated air' diaporamas de présentation

The Thermodynamic Diagram

The Thermodynamic Diagram. Adapted by K. Droegemeier for METR 1004 from Lectures Developed by Dr. Frank Gallagher III OU School of Meteorology. What is it?.

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Lecture 10

Lecture 10. Static Stability. General Concept. An equilibrium state can be stable or unstable Stable equilibrium: A displacement induces a restoring force i.e., system tends to move back to its original state

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Lecture 7

Lecture 7. Water Vapor. Concentration of water vapor can be quantified by: Vapor pressure Mixing ratio Specific humidity Absolute humidity Relative humidity Dew point depression Wet-bulb temperature. Water Vapor amount in the air is variable.

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Clouds: cool to dew point

Clouds: cool to dew point. 2 processes to change temperature Diabatic : energy added/removed Adiabatic : no energy exchange. Diabatic Processes. Add heat to water. Air loses energy. Warm air. Cool water. Diabatic Processes. Add heat to water. Air gains energy. Cool air. Warm water.

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Instability and Convective Storms

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Water in the Atmosphere

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Water in the Atmosphere

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Atmospheric moisture

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Lapse Rates and Stability of the Atmosphere

Lapse Rates and Stability of the Atmosphere. What is a lapse rate?. A lapse rate is defined as the rate of change in temperature observed while moving upwards through the Earth's atmosphere. Atmospheric Temperature Profile with Height. Key points.

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Weather, Winds, and Fronts

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Process Lapse Rates

Changes in Rising and Sinking Air: Adiabatic Processes. Process Lapse Rates

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Clouds

Clouds. Water is strange stuff!. Water can occur in 3 states:. Gas - water vapour (invisible) Liquid - water droplets (visible) Solid - ice crystals, hail, snow. What are clouds?. Clouds are formed of tiny droplets of water or ice. Clouds form when water vapour cools and condenses .

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Chapter 11 Gas-Vapor Mixtures and Air Conditioning

Chapter 11 Gas-Vapor Mixtures and Air Conditioning. 11-1 Dry and Atmospheric Air. 11-1-1 Atmospheric air. The air in the atmosphere normally contains some water vapor and is referred to atmospheric air. Air that contains no water is called dry air.

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Class #23: Monday, March 2

Class #23: Monday, March 2. Clouds, fronts, precipitation processes, upper-level waves, and the extratropical cyclone. Brief review of how clouds form. This material comes from Chapter 4 Condensation occurs when air becomes saturated

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Transpiration

Transpiration. Transpiration is the loss of water from a plant by evaporation Water can only evaporate from the plant if the water potential is lower in the air surrounding the plant Most transpiration occurs via the leaves Most of this transpiration is via the stomata .

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HUMIDITY AND DEW POINT

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Lab 6: Saturation & Atmospheric Stability

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Water in the Air

Water in the Air. The Water Cycle. Water in liquid, solid, and gaseous states is constantly being recycled though the water cycle. Humidity. As water evaporates from lakes, oceans, and plants, it becomes water vapor, or moister in the air. Water vapor is invisible

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