Fast and reliable source identification of criteria air pollutants in an industrial city

Clarke, Kevin; Kwon, Hye-Ok; Choi, Sung-Deuk

doi:10.1016/j.atmosenv.2014.06.040

Cited by 44 publications

(19 citation statements)

References 31 publications

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“…The strict social distancing policy was implemented in Daegu to prevent human-to-human transmission of the virus, leading to a large limitation in the circulation of vehicles. Thus, NO 2 and CO, which have been reported to be mainly produced by vehicular emissions (Clarke et al 2014 ), reduced significantly by 36.7% from 25.8 to 16.3 ppb and 43.7% from 726 to 409 ppb, respectively. Previous studies have indicated that NO 2 decreased by 47% in Milan (Collivignarelli et al 2020 ) and 50% in Barcelona, Spain (Tobías et al 2020 ), which are greater decreases than that in Daegu.…”

Section: Resultsmentioning

confidence: 88%

“…In South Korea, NO 2 and CO have been reported to usually be higher from December to March in Daegu (Jo and Park 2005 ), Daejon (Jung et al 2017 ), Seoul (Pandey et al 2008 ), and Ulsan (Clarke et al 2014 ), whereas the level of SO 2 increases from November to February in Daegu (Jo and Park 2005 ) due to seasonal factors (e.g., low temperatures and increasing demand for heating). Therefore, the South Korean government introduced several policies at the end of 2019 to improve the air quality of the whole country.…”

Section: Resultsmentioning

confidence: 99%

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Effects of the COVID-19 lockdown on criteria air pollutants in the city of Daegu, the epicenter of South Korea’s outbreak

Vuong

Thang

Park

et al. 2020

Environ Sci Pollut Res

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The outbreak of COVID-19 in Daegu, South Korea, early in 2020 has led this metropolitan city to become one of the major hotspots in the world. This study investigates the association of meteorology and the new daily COVID-19 confirmed cases and the effects of the city lockdown on the variation in criteria air pollutants (CAPs) in Daegu. Ambient temperature and relative humidity were negatively correlated to the new daily cases and played an important role in the spread of COVID-19. Wind speed could enhance the virus transmission through the inhalation of aerosols and/or droplets and contact with fomites. The lockdown has directly decreased the concentrations of CAPs. In particular, reductions of 3.75% (PM 10 ), 30.9% (PM 2.5 ), 36.7% (NO 2 ), 43.7% (CO), and 21.3% (SO 2 ) between the period before and during the outbreak were observed over the entire city. An increase in O 3 (71.1%) was affected by natural processes and photochemical formation other than the lockdown effects. The three central districts were the areas most affected by the virus and showed the highest reductions in CAPs (except for O 3 ) during the outbreak. Apart from the influence of the lockdown, the decreasing trend in CAPs may be a result of the actions taken by the government to mitigate air pollutants nationwide since 2019. The results of this study can be useful for government and medical organizations to understand the behavior of the virus in the atmosphere. Further studies are necessary to explore the detailed influences of the lockdown on the environment and public life. Supplementary Information The online version contains supplementary material available at 10.1007/s11356-020-11360-4.

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Section: Resultsmentioning

confidence: 88%

Section: Resultsmentioning

confidence: 99%

Effects of the COVID-19 lockdown on criteria air pollutants in the city of Daegu, the epicenter of South Korea’s outbreak

Vuong

Thang

Park

et al. 2020

Environ Sci Pollut Res

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“…Las etapas del método son las siguientes: a) Identificar la meta: esta etapa consiste en definir el objetivo de la aplicación de la metodología. [17,18,19,20,21,22]. d) Asignar un peso a cada factor: a cada factor se le dio un peso de 0 a 1, de acuerdo al porcentaje de participación en el presupuesto o inversión económica total planificada para adecuar un sitio de monitoreo, según los siguientes pesos: (1) seguridad = 0,10; (2) Incidencia de otras fuentes = 0,20; (3) Requerimientos de Espacios = 0,15; (4) Accesibilidad = 0,10; (5) Obstáculos = 0,10; (6) Registro histórico de datos = 0,10; y (7) Grado de Contaminación = 0.25.…”

Section: Metodologíaunclassified

Metodología para la selección de sitios de monitoreo atmosférico en zonas urbanas afectada por las emisiones de fuentes móviles.

Narvaez

Quiñones

Huertas

et al. 2017

revuin

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Este artículo puede compartirse bajo la licencia CC BY-ND 4.0 (https://creativecommons.org/licenses/by-nd/4.0/) V. Álvarez-Narvaez, E. Quiñones-Bolaños, M.E Huertas-Bolaño, C.A. Suárez, J. Berdugo-Arrieta y D. Ramírez-Rivas. "Metodología para la selección de sitios de monitoreo atmosférico en zonas urbanas afectada por las emisiones de fuentes móviles", UIS Ingenierias, vol. RESUMENEl monitoreo atmosférico es una de las etapas fundamentales en la identificación de estrategias para minimizar, prevenir y controlar los impactos de la dispersión de contaminantes en el aire, sobre la salud pública y el ambiente. Por tanto, el objetivo principal de este artículo consiste en proponer una metodología para la selección de sitios de monitoreo atmosférico en zonas urbanas afectadas por las emisiones de fuentes móviles. Primero se identificaron los sitios que presentaban mayor flujo vehicular y se priorizaron según los siguientes criterios de selección: seguridad, influencia de otras fuentes, facilidad del montaje de los equipos, accesibilidad al sitio, identificación de barreras y obstáculos, registro histórico de datos y grado de concentración del contaminante, en este caso monóxido de carbono, usando el software CALINE 3. La modelación agrupó datos característicos de las vías, meteorológicos y de flujo vehicular de un año típico de la zona en estudio. A cada uno de estos parámetros le es asignada una valoración cuantitativa, que define los sitios donde se realizará el monitoreo. Como resultado se desarrolló una guía para seleccionar los lugares en donde se puedan desarrollar campañas de monitoreo atmosférico, asociadas a fuentes móviles. La metodología fue aplicada en la ciudad de Cartagena de Indias haciendo uso del modelo de calidad del aire CALINE3.Palabras Clave: CALINE 3; contaminantes atmosféricos; fuentes móviles; sitios de monitoreo atmosférico. ABSTRACTAtmospheric monitoring is one of the fundamental steps in identifying strategies to minimize, prevent and control the impact of the dispersion of pollutants in the air, on public health and the environment. Therefore, the main objective of this article is to propose a methodology for selecting air monitoring sites in urban areas affected by emissions from mobile sources. First, the places with the highest vehicular flow were identified and prioritized according to the following selection criteria: safety, influence of other sources, ease of assembly of equipment, accessibility to the site, identification of barriers and obstacles, historical record of data and degree concentration of the pollutant: in this case carbon monoxide, using CALINE 3 software. The modeling grouped characteristic data related with roads, meteorology and vehicular flow of a typical year of the zone under study. A quantitative assessment is assigned to each of these parameters, which defines the sites where the monitoring will be performed. As a result, it was developed a guide to select those places where atmospheric monitoring campaigns related with mobile sources can be held. This method...

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“…The South Korean government has undertaken to reduce the adverse health effects of air pollution by designating eight pollutants -PM 2.5 , PM 10 , O 3 , sulfur dioxide (SO 2 ), nitrogen dioxide (NO 2 ), carbon monoxide (CO), lead (Pb), and benzene (C 6 H 6 ) -as targets of regulation [4]. However, effective reduction of air pollution is currently difficult in Korea because of domestic emissions and the inflow of external pollutants.…”

Section: Introductionmentioning

confidence: 99%

Assessing the impact of air pollution on mortality rate from cardiovascular disease in Seoul, Korea

Park

2018

Environmental Engineering Research

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The adverse health impact of air pollution is becoming more serious. The purpose of this study is twofold: One is to analyze the effect of air pollution and temperatures on human health by analyzing the number of deaths from cardiovascular disease in Seoul, Korea; the other is to determine what impact the location of a monitoring site has on the results of a health study. For this latter purpose, air pollution and temperature monitors are sited at three locations termed green, public, and residential. Then, a decision tree model is used to analyze factors linked with deaths occurring at each monitoring site. The results show that the environmental temperatures before death and the PM2.5 concentrations on the day of death are highly linked with the number of deaths regardless of the monitoring location. However, results are most accurate with residential data. The results of this study can be used as base data for a similar analysis and ultimately, as a guide to minimize the health impact of air pollution.

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Fast and reliable source identification of criteria air pollutants in an industrial city

Cited by 44 publications

References 31 publications

Effects of the COVID-19 lockdown on criteria air pollutants in the city of Daegu, the epicenter of South Korea’s outbreak

Effects of the COVID-19 lockdown on criteria air pollutants in the city of Daegu, the epicenter of South Korea’s outbreak

Metodología para la selección de sitios de monitoreo atmosférico en zonas urbanas afectada por las emisiones de fuentes móviles.

Assessing the impact of air pollution on mortality rate from cardiovascular disease in Seoul, Korea

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