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Long-term trends of surface ozone in korea

Web26 de mar. de 2024 · Apportionment of long-term trends in different sections of total ozone column over tropical region Authors Chhabeel Kumar 1 , Ashish Dogra 1 , Shweta Yadav 2 , Ankit Tandon 3 , Arun K Attri 4 Affiliations 1 School of Earth and Environmental Sciences, Central University of Himachal Pradesh, Himachal Pradesh, Dharamshala, India, 176215. Web9 de jun. de 2024 · Previous studies have shown that PM 2.5 has an adverse impact on human health and long-term exposure to high PM 2.5 concentration environment will lead ... D.J., Liao, H., Shen, L., Zhang, Q. and Bates, K.H. (2024a). Anthropogenic drivers of 2013–2024 trends in summer surface ozone in China. PNAS ... Korea; Middle East; …

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Web1 de jan. de 2024 · The surface O 3 concentrations in South Korea for both E- and L-sites have generally increased for all seasons during the last 10 years at a rate of +0.68 ppbv year −1 from 2005 to 2014, greater than the increasing trend of +0.26 ppbv year −1 reported over 46 South Korean cities from 1999 to 2010 [21]. WebOzone (O 3) in the urban atmosphere can accumulate from photochemical processes with nitrogen oxides (NO x ), carbon monoxide (CO), and volatile organic compounds (VOCs) which are mainly emitted from anthropogenic activities such as fossil fuel combustions and the use of solvents. clove-hitch knot https://giovannivanegas.com

Long-term trends of surface ozone in Korea - ScienceDirect

Web20 de abr. de 2024 · In Korea, according to Kim et al. (2024), surface ozone levels in both background and urban areas have increased steadily since the 1990s. Shin et al. (2012) showed that the contributions from both precursor emission and background level have increased the surface ozone concentration in major urban areas in Korea from 2001 to … WebSome long-term trends of surface ozone, e.g. decrease in the average concentration, increase in the daily amplitude of the relative diurnal variations, increase in the monthly highest 5% of the ozone concentration, decrease in the monthly lowest 5% of the ozone concentration, increase in the frequencies at the high and low ends of the ozone ... WebBackground: Although short-term ozone (O 3) exposure has been associated with a series of adverse health outcomes, research on the health effects of chronic O 3 exposure is still limited, especially in developing countries because of the lack of long-term exposure estimates. Objectives: The present study aimed to estimate the spatiotemporal … clovehitch killer movie spoiler

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Long-term trends of surface ozone in korea

Long term trends of ozone and its precursors in Seoul obtained …

WebLong-term trends of impacts of global gasoline and diesel emissions on ambient PM2.5 and O3 pollution and the related health burden for 2000-2015 IOP Publishing October 6, 2024 Web1 de mar. de 2024 · Abstract. In the past decade, ozone (O3) pollution has become a severe environmental problem in China's major cities. Here, based on available observational records, we investigated the long-term trend of O3 pollution in China during 2014–2024. The O3 concentrations were slightly higher in urban areas than in non-urban …

Long-term trends of surface ozone in korea

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Weba guide to appropriate O3 control policy in South Korea. 1 Introduction Surface ozone (O3) is a well-known secondary ... sions on the long-term O3 trend. The remainder of this paper is structured ... Web1 de set. de 2024 · Here, we used a novel approach to analyze the trends in the concentrations of six national criteria air pollutants, carbon monoxide (CO), sulfur dioxide (SO 2), nitrogen dioxide (NO 2), PM 10, PM 2.5, and surface ozone (O 3), between 2001 and 2024, and the factors affecting the concentrations of CO and SO 2 at the district …

Web15 de jan. de 2024 · As shown in Fig. S3, surface ozone continuously increased from 2006 to 2024 at the WQS site with a slow decline rate of surface NO 2 (−0.3 ppb yr −1, p = 0.1). In this condition, the WQS site is more like an urban site at present with the rapid urbanization of the PRD region. WebThe model represented the observed annual cycle of surface ozone over East Asia well, including the spring/autumn peaks and summer troughs. Increases in ozone were associated primarily with...

WebLong-term trends of surface ozone in Korea @article{Yeo2024LongtermTO, title={Long-term trends of surface ozone in Korea}, author={Min Ju Yeo and Yong Pyo Kim}, journal={Journal of Cleaner Production}, year={2024}, volume={294}, pages={125352} } M. Yeo, Y. Kim; Published 20 April 2024; Environmental Science; … Web15 de jan. de 2024 · Long-term trends of surface ozone in Korea J. Clean. Prod. (2024) F. Yan et al. Stabilization for the secondary species contribution to PM2.5 in the Pearl River Delta (PRD) over the past decade, China: a meta …

WebAfter this period, their concentrations declined with much lower rates in most parts of Korea. In addition, isolated but noticeable numbers of places, especially in major ports, newly developing towns and industrial parks, sustained high …

WebThe impacts are larger for higher levels of concentration, with 31.7% (63.3%) or more prevalence of the >80 ppb range with the same increased DT frequency. We conclude that synoptic weather and its long-term trends play important roles in the increased surface ozone recently seen in South Korea. c5 simplicity\u0027sWebLong-term trends of surface ozone in Korea [2024] Yeo, Min Ju; Kim, Yong Pyo; To gain a better understanding of the state of the art of surface ozone in Korea, the trends of several indicators were presented based on the extensive surface ozone monitoring data in 16 administrative districts and Baekryeong island, a background area. c5 root blockWebThis review summarizes the studies from the past 20 years associated with photochemical ozone in Korea, covering issues of long-term ozone trends analysis, its precursor emission inventories, biogenic VOCs emission, impact on the ecosystem, background ozone and long-range transport, health impacts, climate feedback, aerosol surface … clove hitch llcWeb1 de fev. de 2014 · Abstract The total ozone (O3) and aerosol optical depth (AOD) at 320 nm have been observed from the ultraviolet (UV) measurements made at Yonsei University in Seoul, South Korea, with Dobson and Brewer spectrophotometers, respectively, during 2004–10. The daily datasets are analyzed to show the sensitivities of UV radiation to … c5 shipper\u0027sWebOn detection of turnaround and recovery in trend for ozone. Journal of Geophysical Research, 107, pp.10-1029. Frederick, John E., and Elizabeth C. Weatherhead. Temporal changes in surface ultraviolet radiation: a study of the robertson-berger meter and dobson data records.T Photochemistry and photobiology 56, no. 1 (1992): 123-131. c5r timing setWeb31 de dez. de 2024 · The overall ozone levels in South Korea have been consistently increasing over the past 10 years. The ozone concentrations in Seoul, the biggest city in Korea, are the lowest in all areas with the highest increasing ratio for 95th 95 t h ozone. c5smf-gjf-cv0y0792Webear trend of +0.26 ppbv/yr (+1.15 %/yr). We also examine the meteorological influences on the surface O 3 levels over South Korea using a combined analysis of KZ-filter and multiple linear regressions between surface O 3 and meteorological variables. Time-series of surface O 3 are decomposed into the short-term, seasonal, and long-term clove hitch knot definition