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Akademický článek

Nitrogen oxides emissions from selected cities in North America, Europe, and East Asia observed by the TROPOspheric Monitoring Instrument (TROPOMI) before and after the COVID-19 pandemic

Autor: C. R. Lonsdale, K. Sun

Publikováno v: Atmospheric Chemistry and Physics, Vol 23, Pp 8727-8748 (2023)

Nitrogen oxides (NOx=NO+NO2) emissions are estimated in three regions in the Northern Hemisphere, generally located in North America, Europe, and East Asia, by calculating the directional derivatives of NO2 column amounts observed by the TROPOspheric

Externí odkaz: https://doaj.org/article/81b18a6a72d84ffe98884e21d2359f3e

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Akademický článek

Dilution impacts on smoke aging: evidence in Biomass Burning Observation Project (BBOP) data

Autor: A. L. Hodshire, E. Ramnarine, A. Akherati, M. L. Alvarado, D. K. Farmer, S. H. Jathar, S. M. Kreidenweis, C. R. Lonsdale, T. B. Onasch, S. R. Springston, J. Wang, Y. Wang, L. I. Kleinman, A. J. Sedlacek III, J. R. Pierce

Publikováno v: Atmospheric Chemistry and Physics, Vol 21, Pp 6839-6855 (2021)

Biomass burning emits vapors and aerosols into the atmosphere that can rapidly evolve as smoke plumes travel downwind and dilute, affecting climate- and health-relevant properties of the smoke. To date, theory has been unable to explain observed vari

Externí odkaz: https://doaj.org/article/a891b962e9494b0db5b70985485b0157

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Akademický článek

Simulating the forest fire plume dispersion, chemistry, and aerosol formation using SAM-ASP version 1.0

Autor: C. R. Lonsdale, M. J. Alvarado, A. L. Hodshire, E. Ramnarine, J. R. Pierce

Publikováno v: Geoscientific Model Development, Vol 13, Pp 4579-4593 (2020)

Biomass burning is a major source of trace gases and aerosols that can ultimately impact health, air quality, and climate. Global and regional-scale three-dimensional Eulerian chemical transport models (CTMs) use estimates of the primary emissions fr

Externí odkaz: https://doaj.org/article/faeb0d7d2e2e43919e2b552e30910510

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Akademický článek

Effects of near-source coagulation of biomass burning aerosols on global predictions of aerosol size distributions and implications for aerosol radiative effects

Autor: E. Ramnarine, J. K. Kodros, A. L. Hodshire, C. R. Lonsdale, M. J. Alvarado, J. R. Pierce

Publikováno v: Atmospheric Chemistry and Physics, Vol 19, Pp 6561-6577 (2019)

Biomass burning is a significant global source of aerosol number and mass. In fresh biomass burning plumes, aerosol coagulation reduces aerosol number and increases the median size of aerosol size distributions, impacting aerosol radiative effects. N

Externí odkaz: https://doaj.org/article/31397c9bf8da4942a5eb7487317ede4f

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Akademický článek

Modeling the diurnal variability of agricultural ammonia in Bakersfield, California, during the CalNex campaign

Autor: C. R. Lonsdale, J. D. Hegarty, K. E. Cady-Pereira, M. J. Alvarado, D. K. Henze, M. D. Turner, S. L. Capps, J. B. Nowak, J. A. Neuman, A. M. Middlebrook, R. Bahreini, J. G. Murphy, M. Z. Markovic, T. C. VandenBoer, L. M. Russell, A. J. Scarino

Publikováno v: Atmospheric Chemistry and Physics, Vol 17, Iss 4, Pp 2721-2739 (2017)

NH3 retrievals from the NASA Tropospheric Emission Spectrometer (TES), as well as surface and aircraft observations of NH3(g) and submicron NH4(p), are used to evaluate modeled concentrations of NH3(g) and NH4(p) from the Community Multiscale Air Qua

Externí odkaz: https://doaj.org/article/21b44ca15f0f4e079aaef016be3372f3

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Akademický článek

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Akademický článek

Evaluating model parameterizations of submicron aerosol scattering and absorption with in situ data from ARCTAS 2008

Autor: M. J. Alvarado, C. R. Lonsdale, H. L. Macintyre, H. Bian, M. Chin, D. A. Ridley, C. L. Heald, K. L. Thornhill, B. E. Anderson, M. J. Cubison, J. L. Jimenez, Y. Kondo, L. K. Sahu, J. E. Dibb, C. Wang

Publikováno v: Atmospheric Chemistry and Physics, Vol 16, Pp 9435-9455 (2016)

Accurate modeling of the scattering and absorption of ultraviolet and visible radiation by aerosols is essential for accurate simulations of atmospheric chemistry and climate. Closure studies using in situ measurements of aerosol scattering and ab

Externí odkaz: https://doaj.org/article/32fbee8e1af64e31bfa4d4c4e573bbd5

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Nitrogen oxides emissions from selected cities in North America, Europe, and East Asia observed by TROPOMI before and after the COVID-19 pandemic

Autor: Chantelle R. Lonsdale, Kang Sun

Nitrogen oxides (NOx = NO + NO2) emissions are estimated in three regions in the Northern hemisphere, generally located in North America, Europe, and East Asia, by calculating the directional derivatives of NO2 column amounts observed by the TROPOMI

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4ddfc4a4a72f88d33f4d49c36d8660a5
https://doi.org/10.5194/egusphere-2023-346

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Akademický článek

Investigating the links between ozone and organic aerosol chemistry in a biomass burning plume from a prescribed fire in California chaparral

Autor: M. J. Alvarado, C. R. Lonsdale, R. J. Yokelson, S. K. Akagi, H. Coe, J. S. Craven, E. V. Fischer, G. R. McMeeking, J. H. Seinfeld, T. Soni, J. W. Taylor, D. R. Weise, C. E. Wold

Publikováno v: Atmospheric Chemistry and Physics, Vol 15, Iss 12, Pp 6667-6688 (2015)

Within minutes after emission, complex photochemistry in biomass burning smoke plumes can cause large changes in the concentrations of ozone (O3) and organic aerosol (OA). Being able to understand and simulate this rapid chemical evolution under a wi

Externí odkaz: https://doaj.org/article/35b83a87fb7a4899b0202db3f071704d

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