Air Pollution and Temperature Changes in the Atmosphere

The video tutorial discusses the dispersion of air pollutants in the atmosphere and its effects on health and the environment. It introduces the concept of lapse rate, explaining how temperature decreases with altitude. The environmental lapse rate is defined as the rate of temperature change with height in the atmosphere. The adiabatic lapse rate is explained as the temperature change in an air parcel due to compression or expansion without heat exchange. The video also covers super, sub, and neutral lapse rates, and concludes with a discussion on temperature inversion at high altitudes.

What are some of the effects of air pollutant dispersion?

• Enhanced human health

• Increased biodiversity

• Damage to crops and the environment

• Improved air quality

What happens to temperature as altitude increases?

• Temperature increases

• Temperature remains constant

• Temperature decreases

• Temperature fluctuates

How is the environmental lapse rate measured?

• Using a hygrometer

• Using a barometer

• Using a wind vane

• Using a thermometer in a balloon

What is the definition of the environmental lapse rate?

• The rate at which air pressure changes with height

• The rate at which air temperature changes with height

• The rate at which humidity changes with height

• The rate at which wind speed changes with height

What is an adiabatic lapse rate?

• The rate of pressure change in a parcel of air

• The rate of temperature change in a parcel of air with heat exchange

• The rate of temperature change in a parcel of air without heat exchange

• The rate of humidity change in a parcel of air

What assumption is made in the adiabatic process?

• Humidity remains constant

• Pressure remains constant

• Heat is exchanged with the surroundings

• No heat exchange occurs with the surroundings

What is a super adiabatic lapse rate?

• When there is no lapse rate

• When the environmental lapse rate is equal to the adiabatic lapse rate

• When the environmental lapse rate is less than the adiabatic lapse rate

• When the environmental lapse rate is greater than the adiabatic lapse rate

What is a sub adiabatic lapse rate?

• When the environmental lapse rate is less than the adiabatic lapse rate

• When the environmental lapse rate is equal to the adiabatic lapse rate

• When there is no lapse rate

• When the environmental lapse rate is greater than the adiabatic lapse rate

What is a neutral lapse rate?

• When there is no lapse rate

• When the environmental lapse rate is greater than the adiabatic lapse rate

• When the environmental lapse rate is equal to the adiabatic lapse rate

• When the environmental lapse rate is less than the adiabatic lapse rate

What is an inversion or negative lapse rate?

• When temperature decreases with height

• When temperature remains constant with height

• When temperature increases with height

• When there is no change in temperature