scholarly journals Plant biochemistry influences tropospheric ozone formation, destruction, deposition, and response

2021 ◽  
Author(s):  
Jessica M. Wedow ◽  
Elizabeth A. Ainsworth ◽  
Shuai Li
Keyword(s):  
Tropospheric Ozone ◽  
Ozone Formation ◽  
Plant Biochemistry

Thermochemical Evaluation of Hydroxyl and Peroxyl Radical Precursors in the Formation of Tropospheric Ozone Reactions

2010 ◽  
Vol 3 ◽  
pp. 74-83
Author(s):  
G.O. Umosekhaimhe ◽  
S.E. Umukoro
Keyword(s):  
Particulate Matter ◽  
Tropospheric Ozone ◽  
Chemical Species ◽  
Basis Set ◽  
Enthalpies Of Formation ◽  
Ozone Formation ◽  
Complete Basis Set ◽  
Equilibrium Analyses ◽  
No2 Formation ◽  
Reaction Routes

The thermochemical properties of varieties of species needed to assess the most prominent pathways of tropospheric ozone transformation have been established. In the troposphere, ozone which is a secondary pollution produced by photochemical induced transformation, acts as an oxidizing agent to numerous atmospheric reactions leading to the formation of particulate matter. Based on the climate related problems resulting from the precursor of particulate matter, it is adequate to establish the feasible routes of ozone formation. In this study, the electronic structure methods which approximate the Schrödinger equation to compute Gibbs free energies and enthalpies of formation of the various chemical species participating in the reactions were used. These thermodynamic properties were determined using four computational model chemistry methods integrated in the Gaussian 03 (G03) chemistry package. Five known reaction pathways for the formation of NO2 (the O3 precursor specie), as well as the dominant ozone formation route from NO2 were examined and their energies determined. Of all the computational methods, the complete basis set (CBS-4M) method produced energies for all species of the five reaction routes. Out of the five routes, only the reactions involving radical species were favoured to completion over a temperature range of -100 and +100oC. The most relevant reaction route for the formation of NO2 and subsequently O3 is that involving the peroxyl acetyl nitrate (PAN) and hydroxyl radicals. Chemical equilibrium analyses of the reaction routes also indicated that reduction in temperature encourages NO2 formation while increase in temperature favours O3 production.

Modeling tropospheric ozone formation over East China in springtime

2012 ◽  
Vol 69 (4) ◽  
pp. 303-319 ◽  
Author(s):  
Fei Jiang ◽  
Peng Zhou ◽  
Qian Liu ◽  
Tijian Wang ◽  
Bingliang Zhuang ◽  
...  
Keyword(s):  
Tropospheric Ozone ◽  
East China ◽  
Ozone Formation

scholarly journals Isoprene and monoterpenes over Russia and their impacts in tropospheric ozone formation

2019 ◽  
Vol 12 (1) ◽  
pp. 63-74
Author(s):  
E. Berezina ◽  
K. Moiseenko ◽  
A. Skorokhod ◽  
N. Elansky ◽  
I. Belikov ◽  
...  
Keyword(s):  
Tropospheric Ozone ◽  
Ozone Formation

The impact on tropospheric ozone formation on the implementation of a program for mobile emissions control: a case study in São Paulo, Brazil

2007 ◽  
Vol 7 (2) ◽  
pp. 95-119 ◽  
Author(s):  
Odón R. Sánchez-Ccoyllo ◽  
Leila Droprinchinski Martins ◽  
Rita Y. Ynoue ◽  
Maria de Fátima Andrade
Keyword(s):  
Tropospheric Ozone ◽  
Sao Paulo ◽  
Ozone Formation ◽  
São Paulo ◽  
Emissions Control ◽  
Mobile Emissions ◽  
The Impact

scholarly journals Contribution of solvents from road marking paints to tropospheric ozone formation

2016 ◽  
Vol 15 (1) ◽  
pp. 007-018 ◽  
Author(s):  
Tomasz Burghardt ◽  
Anton Pashkevich ◽  
Lidia Żakowska
Keyword(s):  
Tropospheric Ozone ◽  
Western Europe ◽  
Ground Level ◽  
Solar Irradiation ◽  
Ozone Formation ◽  
Potential Contribution ◽  
Ground Level Ozone ◽  
Ozone Formation Potential ◽  
Volatile Organic ◽  
Road Marking

Solventborne road marking paints are meaningful sources of Volatile Organic Compounds (VOCs), which under solar irradiation affect formation of tropospheric ozone, a signif cant pulmonary irritant and a key pollutant responsible for smog formation. Influence of particular VOCs on ground-level ozone formation potential, quantified in Maximum Incremental Reactivities (MIR), were used to calculate potential contribution of solvents from road marking paints used in Poland to tropospheric ozone formation. Based on 2014 data, limited only to roads administered by General Directorate for National Roads and Motorways (GDDKiA), emissions of VOCs from road marking paints in Poland were about 494 838 kg, which could lead to production of up to 1 003 187 kg of ropospheric ozone. If aromatic-free solventborne paints based on ester solvents, such as are commonly used in Western Europe, were utilised, VOC emissions would not be lowered, but potentially formed ground-level ozone could be limited by 50-70%. Much better choice from the perspective of environmental protection would be the use of waterborne road marking paints like those mandated in Scandinavia – elimination of up to 82% of the emitted VOCs and up to 95% of the potentially formed tropospheric ozone could be achieved.

Processes of Tropospheric Ozone Formation in The Crimean Peninsula

2018 ◽  
Vol 7 (1) ◽  
pp. 13-19
Author(s):  
Анжелика Куркудилова ◽  
Anzhelika Kurkudilova ◽  
Анна Макарова ◽  
Anna Makarova ◽  
Наталия Тарасова ◽  
...  
Keyword(s):  
Ozone Concentration ◽  
Tropospheric Ozone ◽  
Oil Spills ◽  
Ozone Formation ◽  
Surface Layers ◽  
Short Term ◽  
Crimean Peninsula ◽  
Temperature And Humidity ◽  
High Degree ◽  
The Crimean Peninsula

Detailed analysis of factors influencing ozone formation in the atmosphere’s surface layers has been carried out in this paper. The analysis of temperature and humidity effects has showed that, despite the obvious relationship between these parameters and ozone concentration, there are other factors that also effect significantly. In particular, the temperature and humidity dependences do not allow explain with a high degree of reliability a significant short-term increase in tropospheric ozone concentration by more than 70%. The paper authors, as follows from the analysis of biennial data on the content of tropospheric ozone, have noted that the cases of significant surpassing for ozone concentration occur only when winds are eastern, northeastern or southeasterly ones, resulting in proposition on a possible impact of oil spills at the Feodosia commercial seaport, situated at a distance of 16 km from the station.

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