Results 41 to 50 of about 3,302,900 (195)

The importance of moist thermodynamics on neutral buoyancy height for plumes from anthropogenic sources [PDF]

open access: yesAtmospheric Chemistry and Physics
Plume rise plays a critical role in dispersing pollutants emitted from tall stacks, dictating the height reached by buoyant plumes and their subsequent downwind dispersion.
S. Fathi   +5 more
doaj   +1 more source

Korean National Emissions Inventory System and 2007 Air Pollutant Emissions

open access: yesAsian Journal of Atmospheric Environment, 2011
Korea has experienced dramatic development and has become highly industrialized and urbanized during the past 40 years, which has resulted in rapid economic growth.
DaeGyun Lee   +11 more
doaj   +1 more source

Turbulent transport, emissions and the role of compensating errors in chemical transport models [PDF]

open access: yesGeoscientific Model Development, 2014
The balance between turbulent transport and emissions is a key issue in understanding the formation of O3 and particulate matter with diameters less than 2.5 μm (PM2.5).
P. A. Makar   +7 more
doaj   +1 more source

Concurrent Air Quality Analysis Under the National Environmental Policy Act and Transportation/Air Quality Conformity [PDF]

open access: yes, 1995
This paper addresses the direct and indirect relationships between the National Environmental Policy Act (NEPA) and the new conformity requirements. This paper concludes that NEPA and transportation/air quality conformity processes should be concurrent ...
Guensler, Randall   +2 more
core  

Temporal variations in health risk indices and combustion-derived components of PM1.0: Focus on terephthalate and levoglucosan

open access: yesHeliyon
This study evaluated the health risks and chemical composition of PM1.0 and PM2.5 in Incheon, South Korea, emphasizing the critical role of particle size in public health impacts.
Myoungki Song   +10 more
doaj   +1 more source

Transboundary Air Pollution Transport of PM10 and Benzo[a]pyrene in the Czech–Polish Border Region

open access: yesAtmosphere, 2022
The article is occupied with the evaluation of the transboundary transport of pollutants in the Czech–Polish border region (between the Moravian-Silesian region and the Silesian Voivodeship) in Central Europe.
Vladimíra Volná   +3 more
doaj   +1 more source

Lichens in Forest Park and Nitrogenous Air Pollution [PDF]

open access: yes, 2014
Lichens have been shown to be useful bioindicators for determining levels of nitrogen deposition related to air pollution. Preliminary lichen surveys in Forest Park in 2011 and 2012 revealed the presence of lichen species associated with high levels of ...
Hanson, Wes   +2 more
core   +1 more source

Ultrafine Particles Monitoring in Paris: From Total Number Concentrations to Size Distributions Measurements

open access: yesAerosol and Air Quality Research
Due to their small size and ability to penetrate deeply into the respiratory system, ultrafine particles (UFP) pose a significant health risk. Their concentrations and sources are not consistently monitored and regulated in urban areas, including Paris ...
Grégory Abbou   +7 more
doaj   +1 more source

Long-term Assessment of Ozone Nonattainment Changes in South Korea Compared to US, and EU Ozone Guidelines

open access: yesAsian Journal of Atmospheric Environment, 2021
We conducted spatiotemporal assessments of ozone in South Korea from 1990–2020 to evaluate trends and compare changes in compliance based on South Korean, US, and EU standards.
Jeonghwan Kim   +6 more
doaj   +1 more source

Crossroads for Federal Enforcement of the Clean Air Act [PDF]

open access: yes, 1996
A major goal of the Clean Air Act 1 (hereinafter CAA or Act ) is to protect and enhance the quality of the Nation\u27s air resources. 2 The Act uses a two tiered approach to accomplish this goal.
Martin, Joyce M.
core   +1 more source

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