Results 11 to 20 of about 1,127,663 (287)

Eddy covariance methane flux measurements over a grazed pasture: effect of cows as moving point sources [PDF]

open access: yesBiogeosciences, 2015
Methane (CH4) from ruminants contributes one-third of global agricultural greenhouse gas emissions. Eddy covariance (EC) technique has been extensively used at various flux sites to investigate carbon dioxide exchange of ecosystems. Since the development
R. Felber   +3 more
doaj   +1 more source

SEASONAL AND SPATIAL VARIATION OF PM10 IN AN URBAN AREA FROM ROMANIA [PDF]

open access: yes, 2019
The cyclic variance of PM10 mass concentration in the urban area in the South-East of Romania has been analysed in the article. SE of Romania is considered to be a territory which has medium level of pollution for a period of last ten years, from 2009 ...
Dragomir Balanica, Mariana Carmelia   +5 more
core   +1 more source

THE PERFORMANCE ANALYSIS OF HEALTH, SAFETY, ENVIRONMENT, AND ENERGY INTEGRATED MANAGEMENT SYSTEM (HSEE-IMS) USING FUZZY COGNITIVE MAPPING METHOD [PDF]

open access: yesProceedings on Engineering Sciences, 2021
The performance assessment of strategic levels of an integrated management system (IMS) is critical to policy making phase of executive organizations.
Rasoul Yarahmadi   +1 more
doaj   +1 more source

Understanding Public Views about Air Quality and Air Pollution Sources in the San Joaquin Valley, California. [PDF]

open access: yes, 2017
The San Joaquin Valley of California has poor air quality and high rates of asthma. Surveys were collected from 744 residents of the San Joaquin Valley from November 2014 to January 2015 to examine the public's views about air quality.
Brown, Paul   +8 more
core   +3 more sources

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

Automated fragment formula annotation for electron ionisation, high resolution mass spectrometry: application to atmospheric measurements of halocarbons

open access: yesJournal of Cheminformatics, 2021
Background Non-target screening consists in searching a sample for all present substances, suspected or unknown, with very little prior knowledge about the sample.
Myriam Guillevic   +6 more
doaj   +1 more source

Use of an index to reflect the aggregate burden of long-term exposure to criteria air pollutants in the United States. [PDF]

open access: yes, 2002
Air pollution control in the United States for five common pollutants--particulate matter, ground-level ozone, sulfur dioxide, nitrogen dioxide, and carbon monoxide--is based partly on the attainment of ambient air quality standards that represent a ...
Buffler, Patricia A   +3 more
core   +3 more sources

Process-based VOCs Source Profiles and Contributions to Ozone Formation in Typical Organic Solvent-used Industries in Hangzhou

open access: yesAerosol and Air Quality Research, 2021
The solvent-used industry plays an important role in volatile organic compounds (VOCs) emission, which has caused an increasing concern. Herein, VOCs samples collected before and after treatments from the painting industry, printing industry and printing
Zhinian Li   +7 more
doaj   +1 more source

Impacts of Meteorology and Emissions on O3 Pollution during 2013–2018 and Corresponding Control Strategy for a Typical Industrial City of China

open access: yesAtmosphere, 2021
The air quality of Handan, a typical industrial city in China, has been significantly improved through atmospheric pollution control, except for ozone (O3) pollution.
Shiyin Yao   +4 more
doaj   +1 more source

Effect of biochar and liming on soil nitrous oxide emissions from a temperate maize cropping system [PDF]

open access: yesSOIL, 2015
Biochar, a carbon-rich, porous pyrolysis product of organic residues may positively affect plant yield and can, owing to its inherent stability, promote soil carbon sequestration when amended to agricultural soils.
R. Hüppi   +4 more
doaj   +1 more source

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