2013
DOI: 10.1002/jgrd.50662
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Characteristics of tropospheric ozone variability over an urban site in Southeast Asia: A study based on MOZAIC and MOZART vertical profiles

Abstract: [1] The Measurement of Ozone and Water Vapor by Airbus In-Service Aircraft (MOZAIC) profiles of O 3 and CO were analyzed to study their variation in the troposphere over Bangkok. Mixing ratios of O 3 and CO were enhanced in planetary boundary layer (PBL) being highest in winter followed by summer and wet seasons. The daytime profiles of O 3 show higher values compared to nighttime observations in PBL region, but little differences were observed in the free troposphere. The decreasing mixing ratios of O 3 in th… Show more

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Cited by 21 publications
(13 citation statements)
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“…Thus, vertical profile observations from MOZAIC are valuable. Earlier, we highlighted the roles of long-range transport and biomass burning in the distribution of O 3 and CO over Bangkok using MOZAIC observations (Sahu et al, 2013). Based on MOZAIC observations and models, we have also seen that in Hyderabad, the Planetary Boundary Layer (PBL) CO is predominantly influenced by strong winds from adjoining regions and by elevated local emissions (Sheel et al, 2014).…”
Section: Introductionmentioning
confidence: 72%
“…Thus, vertical profile observations from MOZAIC are valuable. Earlier, we highlighted the roles of long-range transport and biomass burning in the distribution of O 3 and CO over Bangkok using MOZAIC observations (Sahu et al, 2013). Based on MOZAIC observations and models, we have also seen that in Hyderabad, the Planetary Boundary Layer (PBL) CO is predominantly influenced by strong winds from adjoining regions and by elevated local emissions (Sheel et al, 2014).…”
Section: Introductionmentioning
confidence: 72%
“…Twelve bulk aerosol compounds, 39 photolysis, 85 gas species and 157 gas-phase reactions were integrated in MOZART-4. The chemical mechanism on N compounds including the NO 2 , NH 3 and aerosols are detailedly integrated to MOZART-4, which is considered to be suitable for tropospheric chemical compositions (Emmons et al, 2010;Pfister et al, 2008;Sahu et al, 2013). The output data used in the current work temporally vary 6 h every day, which were available upon request from Louisa Emmons at the National Center for Atmospheric Research (NCAR).…”
Section: Atmospheric Transport Chemistry Modelmentioning
confidence: 99%
“…MOZART-4 (Model for Ozone and Related chemical Tracers, version 4) is a three-dimensional (3-D) global chemical transport model simulating the chemical and transport processes, which can be driven by essentially any meteorological dataset and with any emissions inventory [24,33]. The MOZART-4 used in this study includes detailed chemistry, an improved scheme for the determination of albedo, aerosols, online calculations of photolysis rates, dry deposition, H 2 O concentration, and biogenic emissions.…”
Section: Nh 3 Profiles From Mozart-4mentioning
confidence: 99%