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Measurement Categories

Primary Measurements by Measurement Category

Aerosols

The effect of aerosols is measured by instrument systems and lidars that provide data on the size distribution, optical properties, scattering, and extinction of aerosols.

microphysical and chemical properties

optical and radiative properties

Atmospheric Carbon

Measurements of atmospheric carbon are obtained from samples collected at the Southern Great Plains site.

Atmospheric State

other trace gases

surface meteorology

upper air state

Cloud Properties

Active and passive remote sensing instruments are used to measure the macroscopic properties (horizontal and vertical distributions) of clouds, and the microphysical properties (sizes, shapes, and phases [water or ice]) of the particles that comprise the clouds.

macrophysical

microphysical

Radiometric

Radiometric measurements provide data on the propagation of electromagnetic energy through the atmosphere. These types of measurements represent the majority of ARM data, and are obtained using various types of active (such as radar and lidar) and passive (such as broadband radiometers and spectral sensors) sensors.

longwave broadband

longwave narrowband

longwave spectral

microwave

shortwave broadband

shortwave narrowband

shortwave spectral

Surface Properties

surface flux

surface/subsurface state