Actions for SAM 2 Measurements of the Polar Stratospheric Aerosol, volume 2. April 1979 to October 1979

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SAM 2 Measurements of the Polar Stratospheric Aerosol, volume 2. April 1979 to October 1979

Author
Steele, H. M.
Published
Mar 1, 1982.
Physical Description
1 electronic document
Additional Creators
Mccormick, M. P. and Hamill, P.
Online Version

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Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
The Stratospheric Aerosol Measurement (SAM) II sensor is abroad the Earth orbiting Nimbus 7 spacecraft proving extinction measurements of the Antarctic and Arctic stratospheric aerosol with a vertical resolution of 1 km. Representative examples and weekly averages of aerosol data and corresponding temperature profiles for the time and place of each SAM II measurement (April 29, 1979, to October 27, 1979) is presented. Contours of aerosol extinction as a function of altitude and longitude or time were plotted and weekly aerosol optical depths were calculated. Seasonal variations and variations in space (altitude and longitude) for both polar regions are easily seen. Typical values of aerosol extinction at the SAM II wavelength of 1.0 micron for the time priod were 1 to 3 x 10 to the -4th power km -1 in the main stratospheric aerosol layer. Optical depths for the stratosphere were about 0.002. Polar stratospheric clouds at altitudes between the tropopause and 20 km were observed during the Antarctic winter at various times and locations. A ready-to-use format containing a representative sample of the second 6 months of data to be used in atmospheric and climatic studies is presented.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19820011860.
Accession ID: 82N19734.
L-15120.
NASA-RP-1088-VOL-2.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15716761