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Instrument

ISAF
In Situ Airborne Formaldehyde

The In Situ Airborne Formaldehyde (ISAF) is an airborne optical sensor developed at NASA Goddard Space Flight Center (GSFC). ISAF uses laser induced fluorescence (LIF) to measure formaldehyde throughout the troposphere and lower stratosphere. It operates at the 353 nm wavelength and has a sampling frequency of 1 Hz. ISAF can measure formaldehyde concentrations ranging from 10 pptv to hundreds of ppbv at an accuracy of 10%.

Image of the ISAF (top left) installed with other instruments during FIREX-AQ
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 > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Lower Stratosphere, Troposphere
1 s
Point
849 THz
External Linkhttps://doi.org/10.5194/amt-8-541-2015
  • Glenn M. Wolfe

  • Glenn M. Wolfe

  • GSFC

  • NASA, IRAD

  • External LinkOverview Publication

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