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NASA NTRS · 19900065070

Cloud draft structure and trace gas transport

Abstract

During the second Amazon Boundary Layer Experiment (ABLE 2B), meteorological observations, chemical measurements, and model simulations are utilized in order to interpret convective cloud draft structure and to analyze its role in transport and vertical distribution of trace gases. One-dimensional photochemical model results suggest that the observed poststorm changes in ozone concentration can be attributed to convective transports rather than photochemical production and the results of a two-dimensional time-dependent cloud model simulation are presented for the May 6, 1987 squall system. The mesoscale convective system exhibited evidence of significant midlevel detrainment in addition to transports to anvil heights. Chemical measurements of O3 and CO obtained in the convective environment are used to predict photochemical production within the troposphere and to corroborate the cloud model results.

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BibTeXRIS

Scala, John R., Tao, Wei-Kuo, Thompson, Anne M., Simpson, Joanne, Garstang, Michael, Pickering, Kenneth E., Browell, Edward V., Sachse, Glen W., Gregory, Gerald L., Torres, Arnold L.. 1990-09-20. Cloud draft structure and trace gas transport. https://ntrs.nasa.gov/citations/19900065070

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