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; …
Influence of COVID-19 Event on Air Quality and their Association …
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
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