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A model for the separation of cloud and aerosol in SAGE II occultation dataThe Stratospheric Aerosol and Gas Experiment (SAGE) II satellite experiment measures the extinction due to aerosols and thin cloud, at wavelengths of 0.525 and 1.02 micrometers, down to an altitude of 6 km. The wavelength dependence of the extinction due to aerosols differs from that of the extinction due to cloud and is used as the basis of a model for separating these two components. The model is presented and its validation using airborne lidar data, obtained coincident with SAGE II observations, is described. This comparison shows that smaller SAGE II cloud extinction values correspond to the presence of subvisible cirrus cloud in the lidar record. Examples of aerosol and cloud data products obtained using this model to interpret SAGE II upper tropospheric and lower stratospheric data are also shown.
Document ID
19950039681
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Kent, G. S.
(Science and Technology Corporation Hampton, VA, United States)
Winker, D. M.
(NASA Langley Research Center Hampton, VA, United States)
Osborn, M. T.
(Science Applications International Corporation Hampton, VA, United States)
Skeens, K. M.
(Science and Technology Corporation Hampton, VA, United States)
Date Acquired
August 16, 2013
Publication Date
November 20, 1993
Publication Information
Publication: Journal of Geophysical Research
Volume: 98
Issue: D11
ISSN: 0148-0227
Subject Category
Environment Pollution
Accession Number
95A71280
Funding Number(s)
CONTRACT_GRANT: NAS1-18676
Distribution Limits
Public
Copyright
Other

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