NDLI: Lidar measurements of the post-fuego stratospheric aerosol

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Lidar measurements of the post-fuego stratospheric aerosol

Content Provider	NASA Technical Reports Server (NTRS)
Author	Viezee, W. Hake Jr., R. D. Russell, P. B.
Copyright Year	1976
Description	Fifteen lidar observations of the stratospheric aerosol were made between February and November 1975. All observations revealed the greatly increased particulate backscattering that followed the eruption of the volcano Fuego in October 1974. Vertical structure consisted initially of multiple layers, which later merged to form a single, broader peak. Essentially all of the increased scattering was confined to altitudes below 20 km. Hence, aerosol layer centroids in 1975 were typically several km below their altitude prior to the eruption. Radiative and thermal consequences of the measured post-Fuego layer were computed using several recently published models. The models predict a temperature increase of several K at the altitude of the layer, caused by the infrared absorption bands of the sulfuric acid particles. The surface temperature decrease predicted by the models is considerably smaller than 1 K, partly because of the small optical thickness of the volcanic layer, and partly because of its short residence time relative to the earth-ocean thermal response time.
File Size	2958526
Page Count	56
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19810021122
Archival Resource Key	ark:/13960/t13n6z00d
Language	English
Publisher Date	1976-04-01
Access Restriction	Open
Subject Keyword	Environment Pollution Particulate Sampling Backscattering Aerosols Guatemala Stratosphere Air Pollution Mathematical Models Volcanoes California Optical Radar Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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