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Ozone Concentration

Antarctic Stratospheric Ozone Concentration Oscillation And Rainfall Variability In Yaoundé

Antarctic Stratospheric Ozone Concentration Oscillation And Rainfall Variability In Yaoundé

... Ozone parameters oscillation and climate changes were generally considered as environmental problems with nothing in common except their global consequences and the main role they will play. However, with the ...

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Modelling atmospheric ozone concentration using machine learning algorithms

Modelling atmospheric ozone concentration using machine learning algorithms

... ozone concentration[20],[24],[26],[27]. Although there are more advanced and recent data mining / machine learning techniques, such as Ensemble Learning approaches [11], only few attempts have investigated ...

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Analysis of the episodes of tropospheric ozone concentration in relation with hot days and heat waves in Warsaw

Analysis of the episodes of tropospheric ozone concentration in relation with hot days and heat waves in Warsaw

... Recent studies [36, 37] of thermal extremes during summer months in Poland in 1951- 2010 showed increasing frequency of the number of extremely warm days in a year and also the increase of the maximum number of ...

9

Effect of Mesh Electrodes Geometry on the Ozone Concentration in the Presence of Micanite Dielectric

Effect of Mesh Electrodes Geometry on the Ozone Concentration in the Presence of Micanite Dielectric

... The first series of research was performed for 0.1 x 0.1 mm mesh electrodes for micanite di- electric and 2.0 discharge gap for 0.5 l/min oxy- gen flow. In order to calculate the power of dis- charges, the Lissajous ...

5

Modeling the Surface Ozone Concentration in Campo Grande (MS)—Brazil Using Neural Networks

Modeling the Surface Ozone Concentration in Campo Grande (MS)—Brazil Using Neural Networks

... Therefore, the following procedure has been systematically applied: the free parameters are randomly created in the beginning of training. Knowing that these initial conditions influence the final result of the training, ...

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Comparison of Different Regularized and Shrinkage Regression Methods to Predict Daily Tropospheric Ozone Concentration in the Grand Casablanca Area

Comparison of Different Regularized and Shrinkage Regression Methods to Predict Daily Tropospheric Ozone Concentration in the Grand Casablanca Area

... The three years datasets used in this study are provided by the National Meteo- rological Office of Morocco (DMN). Their collection ranged from January 2013 to December 2015. A detailed description of the 25 available ...

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Circular Statistical Analysis Of Wind Direction And Wind Speed On Ozone Concentration

Circular Statistical Analysis Of Wind Direction And Wind Speed On Ozone Concentration

... exceed MAAQG level limit. Circular density and wind rose plot were used to describe the characteristics of wind direction including mean direction, mean resultant length and concentration. This study suggested the ...

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Multivariate Analysis for Modeling of Air Pollutants and Ozone Concentration in Dimitrovgrad, Bulgaria

Multivariate Analysis for Modeling of Air Pollutants and Ozone Concentration in Dimitrovgrad, Bulgaria

... transformed ozone variable, b b 0 , , ...to ozone formation in urban areas, taking into account the influence of ozone precursors and meteorological conditions ...

5

Ground Level Ozone Concentration at Major Traffic Intersection in Urban Area of Surat City

Ground Level Ozone Concentration at Major Traffic Intersection in Urban Area of Surat City

... and Volatile Organic Compounds (VOCs) which are main primary air pollutants emitted from vehicular emission. Ground Level Ozone concentrations are measured at Athwa traffic intersection located at Surat City ...

6

Quasi Biennial Oscillations in Atmospheric Ozone from the Chemistry Climate Model and Ozone Reanalysis

Quasi Biennial Oscillations in Atmospheric Ozone from the Chemistry Climate Model and Ozone Reanalysis

... in ozone (OQBO) using the chemistry-climate model CHASER (MIROC-ESM) and ECMWF ERA-Interim ozone Reanalysis for the period ...positive ozone anomaly (~+10 DU) and in EQBO, a negative ozone ...

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Ozone Measurements and Transport

Ozone Measurements and Transport

... atmospheric ozone from the surface up to altitudes of typically 35 ...of ozone height-profile measuring ...by ozone in an aqueous ...per ozone molecule entered in the solution and these ...

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Surface Ozone Monitoring and Background Concentration at Zhongshan Station, Antarctica

Surface Ozone Monitoring and Background Concentration at Zhongshan Station, Antarctica

... surface ozone concentrations at 16 wind directions recorded by Zhongshan Station from 2008 to 2013 are shown in Figure ...surface ozone concentration under the east wind was the highest ...surface ...

14

Ozone and cardiovascular injury

Ozone and cardiovascular injury

... and ozone oxide has been remarked, using the case- crossover ...in ozone concentration (median value of O3; ...an ozone increase of 5 μg/m3, the relative risk is 1,05 with p = 0,009 and 1,05 ...

8

Stratospheric ozone intrusion events and their impacts on tropospheric ozone in the Southern Hemisphere

Stratospheric ozone intrusion events and their impacts on tropospheric ozone in the Southern Hemisphere

... the ozone budget in the upper troposphere but can also increase regional surface ozone levels above the legal thresh- olds set by air quality standards (Danielsen, 1968; Lelieveld et ...of ozone to ...

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Evaluation of Ozone Smog Alerts on Actual Ozone Concentrations:A Case study in North Carolina

Evaluation of Ozone Smog Alerts on Actual Ozone Concentrations:A Case study in North Carolina

... Ground-level ozone is an important pollutant regulated under the Clean Air Acts that affects respiratory morbidity, decreases lung function, and negatively affects those with existing respiratory conditions like ...

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Study  on the treatment  of high  concentration  organic  waste water by  ozone advanced chemical  oxidation

Study on the treatment of high concentration organic waste water by ozone advanced chemical oxidation

... Since ozone can destruct structures of large molecu le organics into small mo lecules which can be further degraded by biodegradation, the biodegradability of wastewater can be imp roved ...and ozone ...

6

Effect of Generating Heat on Ozone Generation in Dielectric Cylinder Cylinder DBD Ozone Generator

Effect of Generating Heat on Ozone Generation in Dielectric Cylinder Cylinder DBD Ozone Generator

... (DBD) ozone generator has been developed. The ozone concentration was measured at an oxygen pressure of ...the ozone tube during the operation of the ozone generator was investigated ...

5

Wide range analysis of ozone gas concentration in ultraviolet region

Wide range analysis of ozone gas concentration in ultraviolet region

... layer, ozone plays significant role for life on Earth as it filters harmful ultraviolet radiation emitted by the ...when ozone is photochemically produced in the troposphere (at low altitudes and ground ...

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Diurnal Monitoring Of Surface Ozone And PM2.5 Concentration And Its Correlation With Temperature

Diurnal Monitoring Of Surface Ozone And PM2.5 Concentration And Its Correlation With Temperature

... Basically, it is a continuous process which whose average predicted the variation trend throughout the year. Moreover, these gaseous pollutants rapidly fluctuated due to the presence of meteorological parameters. Out of ...

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Tropospheric ozone and ozone profiles retrieved from GOME-2 and their validation

Tropospheric ozone and ozone profiles retrieved from GOME-2 and their validation

... tropospheric ozone information, it is necessary to av- erage Band 2 spectra from eight adjacent GOME-2 ground pixels 2 ...The ozone absorption cross-sections are those derived by Brion et ...

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