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Instrument

PSAP
Particle Soot Absorption Photometer

The Particle Soot Absorption Photometer (PSAP) is an in situ airborne photometer manufactured by Radiance Research. It uses Beer's Law to measure the change in light transmission of aerosol particles. These measurements can be used to derive aerosol absorption and extinction. PSAP operates across three wavelengths (467, 530, and 660 nm) and has a temporal resolution of 1 second. It is typically deployed on aircraft, but it can be deployed on other platforms such as ships and vehicles.

NASA's DC-8 flying laboratory passes Antarctica's tallest peak, Mount Vinson, on Oct. 22, 2012, during a flight over the continent to measure changes in the massive ice sheet and sea ice. Credit: NASA/Michael Studinger (Photography courtesy NASA Images)

Instrument Details

Optical/Photon
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Troposphere
1 s
Point
638 THz, 574 THz, 454 THz
External Linkhttps://doi.org/10.1080/027868290901963
ATR-42

ATR-42

1 Campaign · 16 Instruments
C-131A

Convair C-131 Samaritan

2 Campaigns · 18 Instruments
LISTOS

Long Island Sound Tropospheric Ozone Study

2017—2019
New York City metropolitan and Long Island Sound area, Northeastern U.S.
view all deployment dates
2 Deployments
· 16 Data Products
G-1

Gulfstream-159

1 Campaign · 26 Instruments

Filter data products from this instrument by specific campaigns, platforms, or formats.

Campaigns
CAMPAIGNS
Platforms
PLATFORMS
External Link10.5067/ASDC_DAAC/TARFOX/0002
External Link10.3334/ORNLDAAC/710
External Link10.5067/ASDC_DAAC/CLAMS/0005