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Adiabatic cooling Saturation occurs more commonly when air is cooled to its dew point temperature than when air masses mix in nature, this cooling typically occurs when air rises. Consider a percel of ar that is forced to rise and does not mix with the surrounding environment. As the parcel rises the atmospheric pressure around it decreases, allowing the parcel to expand (Fig 2) Since the parcel has the same number of molecules but occupies more volume, its average internal energy (e, s temperature) must decrease Ar can be forced to me by a) intense surface heating by the collision or convergence of surface air masses the contact of air masses of unike temperature along warm and cold front da topographic tamer (such as a mountain range e) upper air divergence As an unsaturated ar parcal ses, es temperature will decrease at the dry adiabatic lapse rate (DALR) of 10 °C per kilometer (Fig. 2) 8. Calculate the temperature of an unsaturated air parcel at 100 m increments as it is forced to rise from Earth's surface, where its temperature is 22 °C (Table 1) 3000m 2000m 1000m surface Fig. 2. Adiabatic cooling of an unsaturated Height (m) 1000 900 800 700 600 500 ****** 400 300 200 100 Surface Temperature (C) Table 1.

Adiabatic cooling Saturation occurs more commonly when air is cooled to its dew point temperature than when air masses mix in nature, this cooling typically occurs when air rises. Consider a percel of ar that is forced to rise and does not mix with the surrounding environment. As the parcel rises the atmospheric pressure around it decreases, allowing the parcel to expand (Fig 2) Since the parcel has the same number of molecules but occupies more volume, its average internal energy (e, s temperature) must decrease Ar can be forced to me by a) intense surface heating by the collision or convergence of surface air masses the contact of air masses of unike temperature along warm and cold front da topographic tamer (such as a mountain range e) upper air divergence As an unsaturated ar parcal ses, es temperature will decrease at the dry adiabatic lapse rate (DALR) of 10 °C per kilometer (Fig. 2) 8. Calculate the temperature of an unsaturated air parcel at 100 m increments as it is forced to rise from Earth's surface, where its temperature is 22 °C (Table 1) 3000m 2000m 1000m surface Fig. 2. Adiabatic cooling of an unsaturated Height (m) 1000 900 800 700 600 500 ****** 400 300 200 100 Surface Temperature (C) Table 1.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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Adiabatic cooling Saturation occurs more commonly when air is cooled to its dew point temperature than when air masses mix In nature, this cooling typically occurs when air rises. Consider a percel of air that is forced to rise and does not mix with the surrounding environment. As the parcel rises, the atmospheric pressure around it decreases, allowing the parcel to expand (Fig 2) Since the parcel has the same number of molecules but occupies more volume, its average internal energy (ie, is temperature) must decrease Air can be forced to rise by a) intense surface heating b) the collision or convergence of surface air masses c) the contact of air masses of unlike temperature along warm and cold fronts, d) a topographic bamer (such as a mountain range) e) upper-air divergence As an unsaturated air parcel rises, es temperature will decrease at the dry adiabatic lapse rate (DALR) of 10 °C per kilometer (Fig. 2) 8. Calculate the temperature of an unsaturated air parcel at 100 m increments as it is forced to rise from Earth's surface, where its temperature is 22 °C (Table 1). 3000m 2000m 1000m -15°C s'e decreasing at the dry adabicla rat: 1°C/200m Fig. 2. Adiabatic cooling of an unsaturated air parcel Height (m) 1000 900 800 700 600 500 400 300 200 100 Surface Temperature (°C) Table 1.
Transcribed Image Text:Adiabatic cooling Saturation occurs more commonly when air is cooled to its dew point temperature than when air masses mix In nature, this cooling typically occurs when air rises. Consider a percel of air that is forced to rise and does not mix with the surrounding environment. As the parcel rises, the atmospheric pressure around it decreases, allowing the parcel to expand (Fig 2) Since the parcel has the same number of molecules but occupies more volume, its average internal energy (ie, is temperature) must decrease Air can be forced to rise by a) intense surface heating b) the collision or convergence of surface air masses c) the contact of air masses of unlike temperature along warm and cold fronts, d) a topographic bamer (such as a mountain range) e) upper-air divergence As an unsaturated air parcel rises, es temperature will decrease at the dry adiabatic lapse rate (DALR) of 10 °C per kilometer (Fig. 2) 8. Calculate the temperature of an unsaturated air parcel at 100 m increments as it is forced to rise from Earth's surface, where its temperature is 22 °C (Table 1). 3000m 2000m 1000m -15°C s'e decreasing at the dry adabicla rat: 1°C/200m Fig. 2. Adiabatic cooling of an unsaturated air parcel Height (m) 1000 900 800 700 600 500 400 300 200 100 Surface Temperature (°C) Table 1.
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