Environment & Ecology · Atmospheric Aerosols
What is Aerosol Optical Depth (AOD) fundamentally defined as in atmospheric measurements?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A dimensionless value used to measure the extent to which aerosols reduce the transmission of light through the atmosphere.✓
- 2A percentage index representing the ratio of reflected solar radiation to total incoming solar radiation.
- 3An absolute temperature value indicating the warming effect of black carbon in the lower atmosphere.
- 4A specific unit of measurement used to calculate the physical weight of atmospheric aerosols in a given volume of air.
Correct answer
A dimensionless value used to measure the extent to which aerosols reduce the transmission of light through the atmosphere.
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