The Aerosol Optical Properties (AOP) is an in situ airborne suite consisting of a Cavity Ringdown Spectrometer (CRDS), a Photoacoustic Absorption Spectrometer (PAS), and an Ultra-High Sensitivity Aerosol Size Spectrometer (UHSAS). It provides multi-wavelength measurements of aerosol extinction, absorption, and other properties. CRDS measures aerosol extinction at 405, 532, and 662 nm wavelengths and has an accuracy of less than 2%. PAS measures absorption at 405, 532, and 660 nm wavelengths and has a sampling rate of 1 Hz. UHSAS measures the size distribution of aerosol particles within the size range of 0.008 to 1 μm. The measurements from the combined AOP instrument package allow for the calculation of radiative forcing and atmospheric heating rates.
Instrument Details
- Spectrometer/Radiometer
- Earth Science > Atmosphere > AerosolsEarth Science > Atmosphere > Aerosols > Aerosol Particle Properties
- Troposphere
- 1 Hz
- Point
- 741 THz, 564 THz, 453 THz, 455 THz
- https://doi.org/10.1080/02786820600803917
Nicholas L. Wagner, Charles Brock
Nicholas L. Wagner
CIRES, NOAA Earth System Research Laboratory
Currently unavailable
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