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Instrument

GAMS/LAABS
Gas and Aerosol Measurement Sensor/Langley Airborne A-Band Spectrometer

The Gas and Aerosol Measurement Sensor/Langley Airborne A-Band Spectrometer (GAMS/LAABS) is an airborne spectrometer system designed at Langley Research Center (LaRC). It is a combination of the GAMS and LAABS instruments and provides line-of-sight (LOS) transmission spectra measurements of aerosols, water vapor, and oxygen compounds. These measurements are used to determine aerosol optical depth. GAMS operates across 1024 spectral channels in the 430 to 1030 spectral range and acquires data at a rate of 180 Hz. LAABS operates across over 800 channels in the 759 to 771 nm spectral range at a resolution of about 0.035 nm and has an integration time of 1.5 seconds.

Image of GAMS/LAABS instrument
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

Spectrometer/Radiometer
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Troposphere
180 Hz (GAMS), 1.5 s (LAABS)
N/A
291.1-697.2 THz (GAMS), 393.9-395 THz (LAABS)
Currently unavailble
SOLVE

SAGE III Ozone Loss and Validation Experiment

1999—2003
Arctic, Kiruna, Sweden
view all deployment dates
2 Deployments
· 32 Data Products

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