Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Jaron C. Hansen"'
Publikováno v:
Toxics, Vol 12, Iss 1, p 26 (2023)
Glyoxal (CHOCHO) is a trace gas in the atmosphere, often used as an indicator of biogenic emissions. It is frequently compared to formaldehyde concentrations, which serve as indicators of anthropogenic emissions, to gain insights into the characteris
Externí odkaz:
https://doaj.org/article/8522c5082ca54bfaa7e8ae210b17eacd
Publikováno v:
Atmosphere, Vol 14, Iss 10, p 1496 (2023)
Air quality is a prevalent concern due to its imposing health risks. The state of Utah, USA, at times over the last 20 years has suffered from some of the worst air quality in the nation. The propensity for the state of Utah to experience elevated co
Externí odkaz:
https://doaj.org/article/84830e1d2b584c1bab1bfcb982d67092
Publikováno v:
Sensors, Vol 23, Iss 18, p 7721 (2023)
Air quality has important climate and health effects. There is a need, therefore, to monitor air quality both indoors and outdoors. Methods of measuring air quality should be cost-effective if they are to be used widely, and one such method is low-co
Externí odkaz:
https://doaj.org/article/0d572d1e83a2414f96cba79fa4b4c99e
Publikováno v:
Atmosphere, Vol 14, Iss 8, p 1262 (2023)
The Wasatch Front in Utah, USA is currently a non-attainment area for ozone according to the Environmental Protection Agency’s (EPA) National Ambient Air Quality Standards (NAAQS). Nitrogen oxides (NOx = NO2 + NO) and volatile organic compounds (VO
Externí odkaz:
https://doaj.org/article/d9e39f020ceb4061ba044c48fc155409
Publikováno v:
Sensors, Vol 22, Iss 7, p 2626 (2022)
Sulfur dioxide (SO2) is an important precursor for the formation of atmospheric sulfate aerosol and acid rain. We present an instrument using Broadband Cavity-Enhanced Absorption Spectroscopy (BBCEAS) for the measurement of SO2 with a minimum limit o
Externí odkaz:
https://doaj.org/article/1e358cb4a7304bd194a7193f750b1223
Autor:
Nitish Bhardwaj, Ariel Kelsch, Delbert J. Eatough, Ryan Thalman, Nancy Daher, Kerry Kelly, Isabel Cristina Jaramillo, Jaron C. Hansen
Publikováno v:
Atmosphere, Vol 12, Iss 3, p 375 (2021)
The U.S Environmental Protection Agency’s National Air Toxics Trends Stations Network has been measuring the concentration of hazardous air pollutants (HAPs) including formaldehyde (HCHO) since 2003. Bountiful, Utah (USA) has served as one of the u
Externí odkaz:
https://doaj.org/article/e0b83e2d95964d25ad38c6369f810e64
Publikováno v:
Journal of the Air & Waste Management Association. 72:1231-1240
The apportionment of the contribution of wood smoke emitted particles to the total concentration of particulate matter in a region has been greatly aided by the development of new analytical methods. These analytical methods quantitatively determine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cd1907400ef8e38dbed5391ef57bdef9
https://doi.org/10.1080/10962247.2022.2126554
https://doi.org/10.1080/10962247.2022.2126554
Autor:
Robert A. Cary, Philip K. Hopke, John Zack, William J. Keeton, Delbert J. Eatough, Emily Burrell, Robert J. Farber, Jaron C. Hansen, Paul M. Cropper
Publikováno v:
Journal of the Air & Waste Management Association. 70:260-282
During August and September 2012, a study was conducted to determine the sources of PM2.5 adjacent to the I-710 Long Beach Freeway. The site is directly affected by the emissions from heavy diesel traffic flowing from major container ports about 10 k
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19d89143cdd10f1d0fa8c1c280f8ef21
https://doi.org/10.1080/10962247.2019.1705436
https://doi.org/10.1080/10962247.2019.1705436
Publikováno v:
Communications Chemistry, Vol 2, Iss 1, Pp 1-10 (2019)
Carboxylic acids have been detected in particles collected in various regions of the world. Here, we use experiments and Born–Oppenheimer molecular dynamics simulations to better understand the mechanism of particle formation from gas phase mixture
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a3d89b2df92c201bea77da1fb00ab23
http://link.springer.com/article/10.1038/s42004-019-0183-7
http://link.springer.com/article/10.1038/s42004-019-0183-7
Publikováno v:
ACS Earth and Space Chemistry. 3:1415-1425
Exposure to high concentrations of particulate matter has been linked to an increase in asthma, heart problems, and death. This link has increased the importance of understanding particle formation...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc0cb9078bdfffe17df0aaf78eff75c8
https://doi.org/10.1021/acsearthspacechem.9b00120
https://doi.org/10.1021/acsearthspacechem.9b00120