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Aerosol optical properties over the midcontinental United StatesSolar and sky radiation measurements were analyzed to obtain aerosol properties such as the optical thickness and the size distribution. The measurements were conducted as part of the First International Satellite Land Surface Climatology Project Field Experiment during the second intensive field campaign (IFC) from June 25 to July 14, 1987, and the fifth IFC from July 25 to August 12, 1989, on the Konza Prairie near Manhattan, Kansas. Correlations with climatological and meteorological parameters show that during the period of observations in 1987, two types of air masses dominated the area: an air mass with low optical thickness and low temperature air associated with a northerly breeze, commonly referred to as the continental air, and an air mass with a higher optical thickness and higher temperature air associated with a southerly wind which we call 'Gulf air'. The size distributions show a predominance of the larger size particles in 'Gulf air'. Because of the presence of two contrasting air masses, correlations with parameters such as relative humidity, specific humidity, pressure, temperature, and North Star sky radiance reveal some interesting aspects. In 1989, clear distinctions between continental and Gulf air cannot be made; the reason for this will be discussed.
Document ID
19930036613
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Halthore, Rangasayi N.
(Hughes-STX Corp. Lanham, MD, United States)
Markham, Brian L.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Ferrare, Richard A.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Aro, Theo. O.
(Ilorin Univ. Nigeria)
Date Acquired
August 15, 2013
Publication Date
November 30, 1992
Publication Information
Publication: Journal of Geophysical Research
Volume: 97
Issue: D17
ISSN: 0148-0227
Subject Category
Meteorology And Climatology
Accession Number
93A20610
Distribution Limits
Public
Copyright
Other

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