surface ozone
Surface Ozone Monitoring and Background Concentration at Zhongshan Station, Antarctica
... troposphere ozone concentration has at least doubled ...troposphere ozone is mainly determined by natural processes, namely, the meridional transport of airflow and downward transport of the ...Therefore, ...
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Observed surface ozone trend in the year 2012 over Nairobi, Kenya
... Earth’s surface (Crutzen, 1998). In the troposphere, ozone is a hazardous air pollutant which may cause damage to humans, animals, vegetation and materials under conditions of increasing surface ...
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Evaluation of near-surface ozone over Europe from the MACC reanalysis
... tropospheric ozone concentrations between August 2004 and December 2007 (a detailed explanation of this issue can be found in Inness et ...near surface ozone over the different European subregions ...
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MODELLING OF SURFACE OZONE USING ARTIFICIAL NEURAL NETWORK IN AN URBAN AREA
... today. Surface ozone prediction using the technique of adaptive pattern recognition is ...mean surface ozone based on the parameters like Nitrogen-di- oxide, temperature and % Relative ...
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Diurnal Monitoring Of Surface Ozone And PM2.5 Concentration And Its Correlation With Temperature
... Kannur, surface ozone has continuously monitored throughout the study which shown its diurnal variation and correlation with various meteorological parameters (Nishanth, ...of surface ozone ...
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Modeling the Surface Ozone Concentration in Campo Grande (MS)—Brazil Using Neural Networks
... the surface ozone concentration promotes the creation of data useful for plan- ning the air quality forecast, which is a key element for the management of public ...of surface ozone from daily ...
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A NEURAL NETWORK MODEL FOR SHORT TERM PREDICTION OF SURFACE OZONE AT TROPICAL CITY
... of surface ozone with solar radiation has been mentioned by Bravo et ...which ozone concentration has a ...little ozone formation and high atmospheric transparency [Bravo et ...
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A network of autonomous surface ozone monitors in Antarctica: technical description and first results
... of ozone is characterised generally by a wintertime maximum of roughly 30 ppbv (parts per billion by volume) and summer minimum of roughly 10 to 15 ...chemical ozone budget in Antarctica was very simple, ...
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Spectral analysis of atmospheric composition: application to surface ozone model–measurement comparisons
... We apply these methods to an updated hourly version of the long-term surface ozone data set from Sofen et al. (2016), compiled for the task of model evaluation. The data set ap- plies multiple stringent ...
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Evaluation of modeled surface ozone biases as a function of cloud cover fraction
... local ozone production is affected by numerous factors, including precursor emissions and me- teorological conditions such as temperature and local cir- culation, ozone photochemistry is photon-limited, and ...
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The Association of PM2 5 and Surface Ozone with Asthma Prevalence among School Children in Japan: 2006 2009
... and surface ozone concentrations in Japan during the period from 2006 to ...and surface ozone (1-hr daytime mean values: C1, and maximum-hr mean values: C2 for ozone) and asthma ...
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Gridded global surface ozone metrics for atmospheric chemistry model evaluation
... global surface ozone data set that brings together all readily available public modern surface ozone data begin- ning in 1971 with the WMO GAW network (other networks start between 1974 and ...
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Intra-urban spatial variability of surface ozone in Riverside, CA: viability and validation of low-cost sensors
... for ozone and is located 119 m from Hwy 60 (SCAQMD, 2017). Ref- erence ozone is measured using a designated Federal Equiv- alent Method (FEM) Thermo 49i dual-cell UV photometric ...
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On the Origin of Surface Ozone Episode in Shanghai over Yangtze River Delta during a Prolonged Heat Wave
... In general, chemical production, horizontal advection and vertical diffusion contribute to increase ozone concentration during daytime, and deposition and vertical advection reduce ozone[r] ...
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Diurnal and Seasonal Variations of Surface Ozone and Its Precursors in the Atmosphere of Yanbu, Saudi Arabia
... higher values appear in late autumn and winter, while the lower values appear in summer. The seasonal variation pattern of these precursors is almost opposite to that of ozone. This pattern is similar to the ...
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Decadal changes in summertime reactive oxidized nitrogen and surface ozone over the Southeast United States
... We apply a high-resolution (50 × 50 km 2 ) version of the GFDL AM3 global chemistry–climate model to study decadal changes in RON and ozone over the Southeast US. Chemistry–climate models provide a unique capabil- ...
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Implications of regional surface ozone increases on visibility degradation in southeast China
... The visibility record has been found to have a vital implication for public health research owing to the con- tribution of fine particulates (Huang et al., 2009; Thach et al., 2010), and to regional climate due to ...
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Intercomparison of lidar, aircraft, and surface ozone measurements in the San Joaquin Valley during the California Baseline Ozone Transport Study (CABOTS)
... and an iterative technique to correct for differential aerosol backscatter and extinction that assumes a backscatter-to- extinction ratio of 40 and fixed Ångström coefficients of 0 for backscatter and − 0.5 for ...
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Statistical problems in measuring surface ozone and modelling its patterns
... two ozone analysers recording side by side to investigate any differences between the observations obtained from both ...in ozone levels, by as much as ...
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Spectral analysis of atmospheric composition: application to surface ozone model-measurement comparisons
... Fourier transform, but better suited to dealing with the gapped datasets typical of observational data. We apply this method- ology to long-term hourly ozone observations and the equivalent model (GEOS-Chem) ...
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