2016
DOI: 10.1007/s11783-016-0887-1
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Photochemical indicators of ozone sensitivity: application in the Pearl River Delta, China

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Cited by 41 publications
(24 citation statements)
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“…To address that challenge, studies on investigating the relationship among the responses of O 3 and PM 2.5 to precursor emission changes have been conducted. Indicators such as NO y , H 2 O 2 / HNO 3 and H 2 O 2 / (O 3 + NO 2 ) as well as the degree of sulfate neutralization, gas ratio and adjusted gas ratio are used to define the O 3 and PM 2.5 chemistry in many studies (Sillman et al, 1995;Tonnesen et al, 2000;Zhang et al, 2009;Liu et al, 2010;Ye et al, 2016). The aforementioned indicators can provide rapid assumptions for the baseline status of pollution sensitivities to precursor emissions.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…To address that challenge, studies on investigating the relationship among the responses of O 3 and PM 2.5 to precursor emission changes have been conducted. Indicators such as NO y , H 2 O 2 / HNO 3 and H 2 O 2 / (O 3 + NO 2 ) as well as the degree of sulfate neutralization, gas ratio and adjusted gas ratio are used to define the O 3 and PM 2.5 chemistry in many studies (Sillman et al, 1995;Tonnesen et al, 2000;Zhang et al, 2009;Liu et al, 2010;Ye et al, 2016). The aforementioned indicators can provide rapid assumptions for the baseline status of pollution sensitivities to precursor emissions.…”
Section: Introductionmentioning
confidence: 99%
“…A statistical response surface model (RSM) has been developed and successfully used in O 3 and PM 2.5 response simulations in our previous studies (Wang et al, 2011;Xing et al, 2011Xing et al, , 2017aZhao et al, 2015aZhao et al, , 2017Foley, et al, 2014). In contrast to sensitivity and source apportionment techniques, the RSM provides a real-time response to a wide range of emission perturbation, from −100 % totally controlled to +20 % (Zhao et al, 2017) or even +100 % doubled baseline level (Xing et al, 2011), and thus is able to quantify the strong nonlinear responsiveness of O 3 and PM 2.5 to reduction in their precursor emissions, manifested as the VOC-limited or NO x -limited O 3 chemistry (Seinfeld et al, 2006) and NH 3 -rich or NH 3 -poor chemistry for inorganic PM chemistry (Zhang et al, 2009). The traditional RSM model is based on regression from thousands of "bruteforce" simulations with a CTM by using a maximum likelihood estimation -experimental best linear unbiased predictors (Santner, et al, 2003) (hereafter referred as "regressionbased RSM").…”
Section: Introductionmentioning
confidence: 99%
“…In the afternoon, as shown in Table 6, when photochemical reactions are more prevalent, the national holiday O 3 concentrations exceeded those on normal weekdays and weekends by 13.9 % and 10.6 %, respectively. This is because the simulation street network in the urban areas is in the VOC-sensitive (volatile organic compound) regime (Ye et al, 2016). The O 3 concentrations were positively correlated with the VOC emissions.…”
Section: Impact Of Traffic Volume Variations On Air Qualitymentioning
confidence: 99%
“…In some cities, construction of the ITS is not complete yet or has not even been carried out. Moreover, the inconsistency of the data standards leads to an inefficient way of data utilization (Zhang, 2010). Furthermore, the low degree of data sharing may be the biggest barrier to using traffic data obtained from the ITSs (Huang et al, 2017).…”
mentioning
confidence: 99%
“…Indicators such as NOy, H2O2/HNO3 and H2O2/(O3+NO2) as well as the degree of sulfate neutralization, gas ratio, and adjusted gas ratio are used to define the O3 and PM2.5 chemistry respectively in many studies (Sillman et al, 1995;Tonnesen et al, 2000;Zhang et al, 2009;Liu et al, 2010;Ye et al, 2016). The aforementioned indicators can provide rapid assumptions for the baseline status of pollution sensitivities to precursor emissions.…”
mentioning
confidence: 99%