The polar stratospheric cloud event of January 24, 1989, part 1. Microphysics

Journal Article · Thu Mar 01 04:00:00 EST 1990 · Geophysical Research Letters (American Geophysical Union); (United States)

DOI:https://doi.org/10.1029/GL017i004p00537· OSTI ID:5398585

Poole, L R ^[1]; Solomon, S ^[2]; Gandrud, B W; Dye, J E ^[3]; Powell, K A ^[4]; Jones, R L; McKenna, D S ^[5]

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1. NASA Langley Research Center, Hampton, VA (USA)
2. NOAA Aeronomy Laboratory, Boulder, CO (USA)
3. National Center for Atmospheric Research, Boulder, CO (USA)
4. ST Systems Corporation, Hampton, VA (USA)
5. United Kingdom Meteorological Office, Bracknell (England)

Rapid adiabatic cooling induced by synoptic forcing led to polar stratospheric cloud (PSC) formation on January 24, 1989, at altitudes sampled by the ER-2 aircraft. Particle characteristics measured by the Forward Scattering Spectrometer Probe (FSSP) on the ER-2 were compared to those calculated using a theoretical PSC microphysics model. Although calculations were sensitive to local changes in cooling rate, generally favorable agreement was found, that in particle surface area being especially important since this parameter dictates heterogeneous chemical rates. The overall model performance suggests that the current approach for simulating Type 1 (nitric acid trihydrate) PSC formation under rapid cooling conditions is well founded and an be used to study the effects of heterogeneous chemistry on stratospheric composition.

• OSTI ID: 5398585
• Journal Information: Geophysical Research Letters (American Geophysical Union); (United States), Journal Name: Geophysical Research Letters (American Geophysical Union); (United States) Vol. 17:4; ISSN GPRLA; ISSN 0094-8276
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
540110*
ADIABATIC PROCESSES
AIRCRAFT
ALTITUDE
ARCTIC REGIONS
ATMOSPHERIC CHEMISTRY
CHALCOGENIDES
CHEMICAL REACTIONS
CHEMISTRY
CHLORINE COMPOUNDS
CHLORINE OXIDES
CLIMATE MODELS
CLOUDS
COMPARATIVE EVALUATIONS
DATA
EARTH ATMOSPHERE
EVALUATION
HALOGEN COMPOUNDS
HETEROGENEOUS EFFECTS
HYDRATES
HYDROGEN COMPOUNDS
INFORMATION
INORGANIC ACIDS
LAYERS
MATHEMATICAL MODELS
NITRIC ACID
OXIDES
OXYGEN COMPOUNDS
OZONE
OZONE LAYER
PARTICLES
PARTICULATES
PERFORMANCE
PHOTOCHEMICAL REACTIONS
PHYSICS
POLAR REGIONS
SCATTERING
SPECTROSCOPY
STRATOSPHERE
SYNTHESIS
TEMPERATURE DEPENDENCE
TIME DEPENDENCE