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Journal article
Comparison of free tropospheric western Pacific air mass classification schemes for the PEM-West A experiment
Journal of Geophysical Research. D. Atmospheres, v 101(1), pp 1743-1762
01 Jan 1996
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Abstract
During September/October 1991, NASA's Global Tropospheric Experiment (GTE) conducted an airborne field measurement program (PEM-West A) in the troposphere over the western Pacific Ocean. In this paper we describe and use the relative abundance of the combustion products Cd2H sub(2) and CO to classify air masses encountered during PEM-West A based on the degree that these tracers were processed by the combined effects of photochemical reactions and dynamical mixing (termed the degree of atmospheric processing). A large number of trace compounds (e.g., C sub(2)H sub(6), C sub(3)H sub(8),, C sub(6)H sub(6), NO sub(y), and O sub(3)) are found to be well correlated with the degree of atmospheric processing that is refitted by changes in the ratio of C sub(2)H sub(2)/CO over the range of values from similar to 0.3 to 2.0 (parts per trillion volume) C sub(2)H sub(2)/CO (parts per billion volume) CO. This C sub(2)H sub(2)/CO-based classification scheme is compared to model simulations and to two independent classification schemes based on air mass back-trajectory analyses and lidar profiles of O sub(3) and aerosols.
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Details
- Title
- Comparison of free tropospheric western Pacific air mass classification schemes for the PEM-West A experiment
- Creators
- S SmythJ BradshawS SandholmS LiuS McKeenG GregoryB AndersonR TalbotD BlakeS RowlandE BrowellM FennJ MerrillS Bachmeier
- Publication Details
- Journal of Geophysical Research. D. Atmospheres, v 101(1), pp 1743-1762
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- [Retired Faculty]
- Web of Science ID
- WOS:A1996TR61600030
- Scopus ID
- 2-s2.0-0029750341
- Other Identifier
- 991019167580704721
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- Collaboration types
- Industry collaboration
- Domestic collaboration
- Web of Science research areas
- Meteorology & Atmospheric Sciences