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Diurnal variability of regional cloud and clear-sky radiative parameters derived from GOES data. I - Analysis method. II - November 1978 cloud distributions. III - November 1978 radiative parametersCloud cover is one of the most important variables affecting the earth radiation budget (ERB) and, ultimately, the global climate. The present investigation is concerned with several aspects of the effects of extended cloudiness, taking into account hourly visible and infrared data from the Geostationary Operational Environmental Satelite (GOES). A methodology called the hybrid bispectral threshold method is developed to extract regional cloud amounts at three levels in the atmosphere, effective cloud-top temperatures, clear-sky temperature and cloud and clear-sky visible reflectance characteristics from GOES data. The diurnal variations are examined in low, middle, high, and total cloudiness determined with this methodology for November 1978. The bulk, broadband radiative properties of the resultant cloud and clear-sky data are estimated to determine the possible effect of the diurnal variability of regional cloudiness on the interpretation of ERB measurements.
Document ID
19840066883
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Minnis, P.
(NASA Langley Research Center Hampton, VA, United States)
Harrison, E. F.
(NASA Langley Research Center Atmospheric Sciences Div., Hampton, VA, United States)
Date Acquired
August 12, 2013
Publication Date
July 1, 1984
Publication Information
Publication: Journal of Climate and Applied Meteorology
Volume: 23
ISSN: 0733-3021
Subject Category
Meteorology And Climatology
Accession Number
84A49670
Distribution Limits
Public
Copyright
Other

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