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... > Instruments > Earth Remote Sensing Instruments > Passive Remote Sensing > Spectrometers/Radiometers > Spectroradiometers > CAFS

Preferred term

CAFS  

Definition

  • The CCD Actinic Flux Spectroradiometers (CAFS) developed in the ARIM laboratory will be deployed on the NASA DC-8 for SEAC4RS and DC3 field campaigns. The instruments measurespectrally resolved down-and up-welling in situ ultraviolet and visible actinic fluxfrom approximately 280-650 nm. Photolysis frequencies for photodissociation reactions for species including O3, NO2, CH2O, HONO, HNO3, N2O5, HO2NO2, PAN, H2O2, CH3OOH, CH3ONO2, CH3CH2ONO2, CH3COCH3, CH3CHO, CH3CH2CHO, CHOCHO, CH3COCHO, CH3CH2CH2CHO, CH3COCH2CH3, Br2, BrO, Br2O, BrNO3, BrCl, HOBr, BrONO2, Cl2, ClO, and ClONO2are calculated from the radiative measurements. Careful calibration techniques and comparison to the NCAR/TUVradiative transfer model improves the accuracy and precision of the measurements. CAFS instruments have a successful heritage of radiation measurements during atmospheric chemistry and satellite validation missions including NASA AVE, PAVE, CR-AVE, TC-4 and ARCTAS campaignson the WB-57 and DC-8 platformsand during the NSF OASIS ground campaign in Barrow, AK.Similar instruments will bedeployed on the NCAR G-V platform as part of the HIAPER Airborne Radiation Package (HARP) as a part of DC3 and SEAC4RS. (en)

Broader concept

Change note

  • 2020-04-14 12:37:52.0 [tstevens] Insert Concept add broader relation (CAFS [3888f804-5a7a-4179-aa36-80e84d4e8c73,559917] - Spectroradiometers [8c02cd6b-89d0-423e-b96f-4b4fba94f5d2,544879]);
  • 2020-04-14 12:39:20.0 [tstevens] insert AltLabel (id: null category: primary text: CCD-based Actinic Flux Spectroradiometer language code: en); insert Definition (id: null text: The CCD Actinic Flux Spectroradiometers (CAFS) developed in the ARIM laboratory will be deployed on the NASA DC-8 for SEAC4RS and DC3 field campaigns. The instruments measurespectrally resolved down-and up-welling in situ ultraviolet and visible actinic fluxfrom approximately 280-650 nm. Photolysis frequencies for photodissociation reactions for species including O3, NO2, CH2O, HONO, HNO3, N2O5, HO2NO2, PAN, H2O2, CH3OOH, CH3ONO2, CH3CH2ONO2, CH3COCH3, CH3CHO, CH3CH2CHO, CHOCHO, CH3COCHO, CH3CH2CH2CHO, CH3COCH2CH3, Br2, BrO, Br2O, BrNO3, BrCl, HOBr, BrONO2, Cl2, ClO, and ClONO2are calculated from the radiative measurements. Careful calibration techniques and comparison to the NCAR/TUVradiative transfer model improves the accuracy and precision of the measurements. CAFS instruments have a successful heritage of radiation measurements during atmospheric chemistry and satellite validation missions including NASA AVE, PAVE, CR-AVE, TC-4 and ARCTAS campaignson the WB-57 and DC-8 platformsand during the NSF OASIS ground campaign in Barrow, AK.Similar instruments will bedeployed on the NCAR G-V platform as part of the HIAPER Airborne Radiation Package (HARP) as a part of DC3 and SEAC4RS. language code: en);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/3888f804-5a7a-4179-aa36-80e84d4e8c73

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