Vertical distribution of pollutants in the presence of convective storms
Conference
·
OSTI ID:5368139
During the PRECP V field program vertical profiles of CO, NO{sub y}, SO{sub 2}, O{sub 3}, H{sub 2}O{sub 2}, aerosol particles and water vapor were measured in the vicinity of convective storms or in air masses which had experienced convection in their recent past. Peak concentrations occur at the altitudes at which the various substances are emitted or formed in the atmosphere. For water vapor, SO{sub 2}, CO, NO{sub y} and submicron aerosol particles this is the boundary layer. High concentrations of O{sub 3} occur in the boundary layer where it is photochemically formed and in the upper troposphere as a result of downward transport from the stratosphere. The peak formation rate and the highest concentration of H{sub 2}O{sub 2} occurs above the boundary layer. The insoluble pollutants CO and NO{sub y} can be efficiently transported from the boundary layer to upper troposphere. Soluble species such as SO{sub 2} and aerosol particles cannot be similarly transported from the boundary layer to upper troposphere. The observed proportionality between aerosol particles and water vapor is consistent with limits on the upward transport imposed by the sequence of cooling, cloud formation, and removal in precipitation. 6 refs., 3 figs.
- Research Organization:
- Brookhaven National Lab., Upton, NY (USA)
- Sponsoring Organization:
- DOE/ER
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 5368139
- Report Number(s):
- BNL-43361; CONF-8906154--2; ON: DE90002590
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
500200* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AEROSOLS
ATMOSPHERIC CHEMISTRY
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMISTRY
COLLOIDS
CONVECTION
DISPERSIONS
ECOLOGICAL CONCENTRATION
ENERGY TRANSFER
FIELD TESTS
FLUIDS
GASES
HEAT TRANSFER
HYDROGEN COMPOUNDS
HYDROGEN PEROXIDE
MASS TRANSFER
NITROGEN COMPOUNDS
NITROGEN OXIDES
OXIDES
OXYGEN COMPOUNDS
OZONE
PEROXIDES
POLLUTANTS
SOLS
SULFITES
SULFUR COMPOUNDS
TESTING
VAPORS
WATER VAPOR
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AEROSOLS
ATMOSPHERIC CHEMISTRY
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMISTRY
COLLOIDS
CONVECTION
DISPERSIONS
ECOLOGICAL CONCENTRATION
ENERGY TRANSFER
FIELD TESTS
FLUIDS
GASES
HEAT TRANSFER
HYDROGEN COMPOUNDS
HYDROGEN PEROXIDE
MASS TRANSFER
NITROGEN COMPOUNDS
NITROGEN OXIDES
OXIDES
OXYGEN COMPOUNDS
OZONE
PEROXIDES
POLLUTANTS
SOLS
SULFITES
SULFUR COMPOUNDS
TESTING
VAPORS
WATER VAPOR