Influence of meteorological conditions on summer ozone levels in the central Kanto area of Japan

Ooka, Ryozo; Khiem, Mai Van; Hayami, Hiroshi; Yoshikado, Hiroshi; Huang, Hong; Kawamoto, Yoichi

doi:10.1016/j.proenv.2011.03.017

Cited by 47 publications

(27 citation statements)

References 19 publications

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“…Urban forest forms a microclimate that differs from that of an urban environment because of its ecological characteristics such as its large canopy cover, the special underlying surface, and the physiological activities of plants [71][72][73]. Microclimate parameters such as air temperature, relative humidity, wind speed, and solar radiation may play an important role in the formation, dispersion, and transport of O 3 [74][75][76].…”

Section: Impact Of Micrometeorological Parameters On O 3 Levelsmentioning

confidence: 99%

Spatiotemporal Ozone Level Variation in Urban Forests in Shenzhen, China

Duan

Wang

Pei

et al. 2019

Forests

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This study is among the first to investigate ozone levels in urban forests in China. It establishes that urban forest air quality in Yuanshan Forest Park (Shenzhen) is suitable for recreational activities and identifies spatial, seasonal, and diurnal O3 patterns and relationships with micrometeorological parameters, suggesting the possibility of manipulating relevant forest characteristics to reduce Surface ozone (O3) levels. An understanding of O3 levels of urban forest environments is needed to assess potential effects on human health and recreational activities. Such studies in China are scarce. This study investigated urban forest O3 levels to improve understanding and support residents engaging in forest recreational activities. We monitored O3 levels in 2015–2016 for three urban forests representing common habitats (foothill, valley, and ridge) in Yuanshan Forest Park and for an adjacent square. The overall mean daily and daily maximum 8 h mean (MDA8) O3 concentrations were highest for the ridge forest and lowest for the valley forest. Each forest’s O3 concentrations were highest in summer. Diurnally, forest O3 concentrations peaked between 13:00 and 17:00 and reached a minimum between 03:00 and 09:00. The correlation between forest O3 concentrations and air temperature (AT) was strongly positive in summer and autumn but negative in spring. In each season, O3 concentration was negatively correlated with relative humidity (RH). No MDA8 or hourly O3 concentrations in the forests exceeded National Ambient Air Quality Standard Grade I thresholds (100 and 160 μg m−3, respectively). O3 accumulation is present in ridge urban forest in all seasons. Foothill and valley urban forests have better air quality than ridge forestation. Urban forest air quality is better in spring and autumn than in summer and is better from night-time to early morning than from noon to afternoon.

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Section: Impact Of Micrometeorological Parameters On O 3 Levelsmentioning

confidence: 99%

Spatiotemporal Ozone Level Variation in Urban Forests in Shenzhen, China

Duan

Wang

Pei

et al. 2019

Forests

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“…Our result is not a rare event. In fact, while vigorous O 3 formation in the summer (high levels of solar irradiance and abundant O 3 precursor concentrations) has long been recognized by several authors, high levels of O 3 production during the winter has only recently been documented (Kalabokas et al, 2013;Ooka et al, 2011). The strong role of meteorology (thermic inversion), topography, and high levels of O 3 precursors from oil refinery activities (with high density in Tabriz) in association to home heating and vehicle traffic have been identified as key drivers of wintertime high O 3 events.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of Chronic Obstructive Pulmonary Disease (COPD) attributed to atmospheric O3, NO2, and SO2 using Air Q Model (2011–2012 year)

Ghozikali

Heibati

Naddafi

et al. 2016

Environmental Research

122

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Chronic obstructive pulmonary disease (COPD) is an important disease worldwide characterized by chronically poor airflow. The economic burden of COPD on any society can be enormous if not managed. We applied the approach proposed by the World Health Organization (WHO) using the AirQ2.2.3 software developed by the WHO European Center for Environment and Health on air pollutants in Tabriz (Iran) (2011-2012 year). A 1h average of concentrations of ozone (O3), daily average concentrations of nitrogen dioxide (NO2) and sulfur dioxide (SO2) were used to assess human exposure and health effect in terms of attributable proportion of the health outcome and annual number of excess cases of Hospital Admissions for COPD (HA COPD). The results of this study showed that 2% (95% CI: 0.8-3.1%) of HA COPD were attributed to O3 concentrations over 10 μg/m(3). In addition, 0.7 % (95% CI: 0.1-1.8%) and 0.5% (95% CI: 0-1%) of HA COPD were attributed to NO2 and SO2 concentrations over 10 μg/m(3) respectively. In this study, we have shown that O3, NO2 and SO2 have a significant impact on COPD hospitalization. Given these results the policy decisions are needed in order to reduce the chronic pulmonary diseases caused by air pollution and furthermore better quantification studies are recommended.

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“…Nitrogen dioxide and volatile organic compounds (i.e., primary pollutants) in presence of stagnant high‐pressure, strong solar radiation, and high air temperature—typical features of UHI—trigger complex chemical reactions which give rise to O 3 formation (Stone, ) (i.e., a secondary pollutant) and limit its dissipation (Li, Song, Mao, Liu, & Huang, ; Ooka et al., ). Although O 3 formation follows complex and nonlinear dynamics—to which contribute numerous factors like the concentration of its precursors, humidity, and solar intensity (Comrie, )—high temperature is a key driver because it accelerates its generation (Tao, Larson, Wuebbles, Williams, & Caughey, , ).…”

Section: Uhi and Lca Methodologymentioning

confidence: 99%

Heat island effects in urban life cycle assessment: Novel insights to include the effects of the urban heat island and UHI‐mitigation measures in LCA for effective policy making

Susca

Pomponi

2020

J of Industrial Ecology

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Urbanization often entails a surge in urban temperature compared to the rural surroundings: the Urban Heat Island (UHI) effect. Such a temperature increase triggers the formation of pollutants worsening the urban air quality. Jointly, bad air quality and UHI affect ecosystems and human health. To alleviate the impacts on the population and the environment, it is crucial to design effective UHI-mitigation measures. Life Cycle Assessment (LCA) is an assessment tool able to capture the complexity of urban settlements and quantify their impact. Yet, as currently implemented, LCA neglects the interactions between the built environment and the local climate, omitting the resulting impacts. This study reviews the existing literature, showing the lack of studies that organically include interactions between the built environment and local climate in LCA. This forms the basis to identify the unsuitability of the current LCA framework for comprehensively capturing the impact of urban settlements. To overcome this limitation, this research offers a pathway to expand the LCA methodology, indicating the necessity to (a) couple the LCA methodology with climate models or physical relations that quantify the interactions between the local climate and the built environment; (b) include novel impact categories in LCA to address such interactions; and (c) use existing or ad hoc developed characterization factors to assess the impacts related to the UHI effect. The LCA community can build on the frame of reference offered by this research to overcome the current limitations of LCA and enable its use for a comprehensive assessment of the impacts of UHI and its mitigation measures. K E Y W O R D Sheat island, industrial ecology, policy making, urban heat island mitigation, urban LCA, urban settlement

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Influence of meteorological conditions on summer ozone levels in the central Kanto area of Japan

Cited by 47 publications

References 19 publications

Spatiotemporal Ozone Level Variation in Urban Forests in Shenzhen, China

Spatiotemporal Ozone Level Variation in Urban Forests in Shenzhen, China

Evaluation of Chronic Obstructive Pulmonary Disease (COPD) attributed to atmospheric O3, NO2, and SO2 using Air Q Model (2011–2012 year)

Heat island effects in urban life cycle assessment: Novel insights to include the effects of the urban heat island and UHI‐mitigation measures in LCA for effective policy making

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