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Detailed Reference Information |
Vaughan, G., Wareing, D.P., Jones, S.B., Thomas, L. and Larsen, N. (1994). Lidar measurements of Mt. Pinatubo aerosols at Aberystwyth from August 1991 through March 1992. Geophysical Research Letters 21: doi: 10.1029/93GL02893. issn: 0094-8276. |
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Measurements of stratospheric aerosols were conducted at Aberystwyth (52.4¿N, 4.0¿W) from 14 August 1991 to 30 March 1992, using a dual-polarization lidar at 532 nm. The backscatter ratios show that volcanic aerosols, present below 22 km in August, built up steadily during the autumn and extended to higher altitudes. During 7--9 December a large increase in aerosol amounts was observed, with maximum backscatter ratios of 17 and aerosols reaching 34 km. Thereafter, peak backscatter ratios remained around 8, with aerosols extending up to 28 km. Optical depths increased tenfold during the period of measurements, from 0.02 in August to about 0.2 in March. A notable feature of the aerosol cloud was a layer of depolarizing particles, first seen near 19 km on October 1st, which gradually subsided during the course of the autumn and winter. ¿ American Geophysical Union 1994 |
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Abstract |
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Keywords
Atmospheric Composition and Structure, Aerosols and particles, Atmospheric Composition and Structure, Middle atmosphere—composition and chemistry, Atmospheric Composition and Structure, Volcanic effects |
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Publisher
American Geophysical Union 2000 Florida Avenue N.W. Washington, D.C. 20009-1277 USA 1-202-462-6900 1-202-328-0566 service@agu.org |
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