Observations of a new sage II aerosol extinction mode following the eruption of Mt. Pinatubo

Journal Article · Mon Nov 02 23:00:00 EST 1992 · Geophysical Research Letters (American Geophysical Union); (United States)

DOI:https://doi.org/10.1029/92GL02185· OSTI ID:6089989

Thomason, L W ^[1]

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1. NASA Langley Research Center, Hampton, VA (United States)

In the aftermath of the eruption of Mt. Pinatubo, multiwavelength stratospheric aerosol extinction measurements by the satellite-borne Stratospheric Aerosol and Gas Experiment (SAGE II) revealed the presence of a previously unobserved mode of aerosol that exhibited high extinction but a small inferred particle size. This mode may represent a transitional phase between the very small aerosol created by gas-to-particle conversion and quasi-steady state, post-volcanic aerosol that exhibits both large extinction and large particle size. The presence of a transitional small aerosol mode may have a significant impact on chemical and radiative processes in the stratosphere. 10 refs., 5 figs.

• OSTI ID: 6089989
• Journal Information: Geophysical Research Letters (American Geophysical Union); (United States), Journal Name: Geophysical Research Letters (American Geophysical Union); (United States) Vol. 19:21; ISSN GPRLAJ; ISSN 0094-8276
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
540110*
ABSORPTIVITY
AEROSOLS
COLLOIDS
DISPERSIONS
EARTH ATMOSPHERE
ERUPTION
FLUIDS
GASES
OPTICAL PROPERTIES
PARTICLE SIZE
PHYSICAL PROPERTIES
RADIATIONS
SIZE
SOLAR RADIATION
SOLS
STELLAR RADIATION
STRATOSPHERE
VOLCANIC GASES
VOLCANOES