Weekly periodicities of meteorological variables and their possible association with aerosols in Korea

Kim, Byung-Gon; Choi, Min-Hyeok; Ho, Chin Siong

doi:10.1016/j.atmosenv.2009.08.023

Cited by 21 publications

(13 citation statements)

References 30 publications

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“…Barmet et al, 2009) and Asia (e.g. Gong et al, 2007;Choi et al, 2008a;Kim et al, 2009) suggesting lower values during weekends and higher values during workdays, which can be attributed to decreased industrial activity and traffic during weekends in urban and industrialised regions, as well as the ban on heavy-duty vehicle traffic on Sundays in some areas. Similarly, Murphy et al (2008), used measurements from both urban and rural stations around the US arguing that the aerosol concentration WC cannot be attributed exclusively to local sources.…”

Section: Evidences Of Wcs In Pollution and Anthropogenic Aerosolsmentioning

confidence: 99%

“…Thus, the cloudiness weekly variation in South Korea is assumed to be associated with aerosol-cloud interactions that depend on aerosol types and geographical and meteorological conditions. Also for South Korea, Kim et al (2009) identified weekly periodicities in the daily Tmin, DTR, cloud fraction, and insolation, although the cycles for these variables have different phases and magnitudes. It is found that weekly periodicities are enhanced especially in autumn, more than 2-3 times greater than those of the annual mean.…”

Section: Studies About Wcs For Asiamentioning

confidence: 99%

“…In several papers (e.g. Bäumer and Vogel, 2007;Sanchez-Lorenzo et al, 2008;Kim et al, 2009) 3. It is also important to realize that tests which did not result in a significant WC were in general not published in the scientific literature, whereas significant WCs are much more likely to have been published.…”

Section: Weekly Cycles Dilemma: a Statistical Talementioning

confidence: 99%

See 2 more Smart Citations

Assessing large-scale weekly cycles in meteorological variables: a review

Sánchez-Lorenzo¹,

Laux

Franssen³

et al. 2012

Atmos. Chem. Phys.

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Abstract. Several studies have claimed to have found significant weekly cycles of meteorological variables appearing over large domains, which can hardly be related to urban effects exclusively. Nevertheless, there is still an ongoing scientific debate whether these large-scale weekly cycles exist or not, and some other studies fail to reproduce them with statistical significance. In addition to the lack of the positive proof for the existence of these cycles, their possible physical explanations have been controversially discussed during the last years. In this work we review the main results about this topic published during the recent two decades, including a summary of the existence or non-existence of significant weekly weather cycles across different regions of the world, mainly over the US, Europe and Asia. In addition, some shortcomings of common statistical methods for analyzing weekly cycles are listed. Finally, a brief summary of supposed causes of the weekly cycles, focusing on the aerosol-cloud-radiation interactions and their impact on meteorological variables as a result of the weekly cycles of anthropogenic activities, and possible directions for future research, is presented.

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Section: Evidences Of Wcs In Pollution and Anthropogenic Aerosolsmentioning

confidence: 99%

Section: Studies About Wcs For Asiamentioning

confidence: 99%

See 1 more Smart Citation

Assessing large-scale weekly cycles in meteorological variables: a review

Sánchez-Lorenzo¹,

Laux

Franssen³

et al. 2012

Atmos. Chem. Phys.

View full text Add to dashboard Cite

show abstract

“…It eventually corresponds to spatial scale of 120−500 km, by assuming average boundary wind speed, 5.6 m s −1 (Anderson et al 2003). This scale corresponds to mesoscale, consistent with the previous studies of Kim et al (2009), and Uno et al (2014).…”

Section: Resultsmentioning

confidence: 51%

Characteristics of Recent Severe Haze Events in Korea and Possible Inadvertent Weather Modification

Eun

Kim

Lee

et al. 2016

SOLA

Self Cite

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“…Although 16 similar studies on the WD/WN effect were published from 1995 to 2014 [15][16][17][18][19][20][21]35,36,[40][41][42][43][44][45], our current work has identified a strong relationship (and interdependence) between the NO, NO 2 , O 3 and CO WD/WN and WD/Sun effect and the meteorological parameters. Of the aforementioned 16 references, it was noted that the concentrations of specific air pollutants (i.e., SO 2 , NO x and PM 10 ) are nearly constant on weekdays (WD) but were approximately 40-60% lower on weekends (WN) in southwestern Germany [46].…”

Section: Other Studies On the Wd/wn Effectmentioning

confidence: 86%

Short and Long-Term Temporal Changes in Air Quality in a Seoul Urban Area: The Weekday/Sunday Effect

et al. 2018

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We present evidence on the short-term differences in airborne pollution levels in terms of weekday/weekend (WD/WN) and weekday/Sunday (WD/Sun) intervals. To this end, we analyzed the hourly data of important pollutants (nitric oxide (NO), nitrogen dioxide (NO 2 ), ozone (O 3 ) and carbon monoxide (CO)) using the data acquired in the Yong-San district of Seoul, Korea from 2009 to 2013. For each week, the pollutant ratio (R w ) was estimated through either WD/WN or WD/Sun. Here, a week is defined as Sunday through Saturday, WD as Monday through Friday and WN as Sunday and Saturday. The WD/Sun R w geometric means (and range) were 2.02 (0.27-15.5) for NO, 1.29 (0.49-5.7) for NO 2 and 0.89 (0.17-7.2) for O 3 while the fraction of R w (WD/Sun) > 1 were 81, 71 and 38%, respectively. NO and CO levels were much higher in October through March (during Autumn and Winter) than April through September (during Spring and Summer), reflecting the potential effect of fuel consumption (e.g., in terms of use patterns of nationwide city natural gas). Thus, we provide a broader interpretation on the occurrence patterns of the major pollutants (e.g., NO, NO 2 , O 3 and CO) in relation to temporal changes in man-made activities.

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Weekly periodicities of meteorological variables and their possible association with aerosols in Korea

Cited by 21 publications

References 30 publications

Assessing large-scale weekly cycles in meteorological variables: a review

Assessing large-scale weekly cycles in meteorological variables: a review

Characteristics of Recent Severe Haze Events in Korea and Possible Inadvertent Weather Modification

Short and Long-Term Temporal Changes in Air Quality in a Seoul Urban Area: The Weekday/Sunday Effect

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