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Akademický článek

Measurement report: Cloud and environmental properties associated with aggregated shallow marine cumulus and cumulus congestus

Publikováno v: Atmospheric Chemistry and Physics, Vol 24, Pp 6123-6152 (2024)

Mesoscale organization of marine convective clouds into linear or clustered states is prevalent across the tropical and subtropical oceans, and its investigation served as a guiding focus for a series of process study flights conducted as part of the

Externí odkaz: https://doaj.org/article/50d03e4567eb421da4504ff43ce07dc0

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Akademický článek

Nanoparticle morphology and magnetic properties modified by synthesis conditions

Autor: U. Klekotka, E. Winska, D. Satula, B. Kalska-Szostko

Publikováno v: Journal of Materials Research and Technology, Vol 30, Iss , Pp 6464-6469 (2024)

In this paper, we present a comparative analysis of the physicochemical properties of magnetite nanoparticles synthesized via two primary methods: (i) co-precipitation of iron (II) and (III) chloride in an ammonia solution and (ii) thermal decomposit

Externí odkaz: https://doaj.org/article/1d3c30853ff446b8a8b351b5ef1d0c82

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Akademický článek

Observation-based constraints on modeled aerosol surface area: implications for heterogeneous chemistry

Autor: R. A. Bergin, M. Harkey, A. Hoffman, R. H. Moore, B. Anderson, A. Beyersdorf, L. Ziemba, L. Thornhill, E. Winstead, T. Holloway, T. H. Bertram

Publikováno v: Atmospheric Chemistry and Physics, Vol 22, Pp 15449-15468 (2022)

Heterogeneous reactions occurring at the surface of atmospheric aerosol particles regulate the production and lifetime of a wide array of atmospheric gases. Aerosol surface area plays a critical role in setting the rate of heterogeneous reactions in

Externí odkaz: https://doaj.org/article/d4ab71bb8d154f97877df5162390dfd2

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Akademický článek

Organic enrichment in droplet residual particles relative to out of cloud over the northwestern Atlantic: analysis of airborne ACTIVATE data

Autor: H. Dadashazar, A. F. Corral, E. Crosbie, S. Dmitrovic, S. Kirschler, K. McCauley, R. Moore, C. Robinson, J. S. Schlosser, M. Shook, K. L. Thornhill, C. Voigt, E. Winstead, L. Ziemba, A. Sorooshian

Publikováno v: Atmospheric Chemistry and Physics, Vol 22, Pp 13897-13913 (2022)

Cloud processing is known to generate aerosol species such as sulfate and secondary organic aerosol, yet there is a scarcity of airborne data to examine this issue. The NASA Aerosol Cloud meTeorology Interactions oVer the western ATlantic Experiment

Externí odkaz: https://doaj.org/article/f5c74fa963444459aae04155148e3ddb

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Akademický článek

Seasonal updraft speeds change cloud droplet number concentrations in low-level clouds over the western North Atlantic

Publikováno v: Atmospheric Chemistry and Physics, Vol 22, Pp 8299-8319 (2022)

To determine the impact of dynamic and aerosol processes on marine low clouds, we examine the seasonal impact of updraft speed w and cloud condensation nuclei concentration at 0.43 % supersaturation (NCCN0.43%) on the cloud droplet number concentrati

Externí odkaz: https://doaj.org/article/3b3d57b926eb4a15900a764d9fd9bb93

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Akademický článek

Aerosol responses to precipitation along North American air trajectories arriving at Bermuda

Autor: H. Dadashazar, M. Alipanah, M. R. A. Hilario, E. Crosbie, S. Kirschler, H. Liu, R. H. Moore, A. J. Peters, A. J. Scarino, M. Shook, K. L. Thornhill, C. Voigt, H. Wang, E. Winstead, B. Zhang, L. Ziemba, A. Sorooshian

Publikováno v: Atmospheric Chemistry and Physics, Vol 21, Pp 16121-16141 (2021)

North American pollution outflow is ubiquitous over the western North Atlantic Ocean, especially in winter, making this location a suitable natural laboratory for investigating the impact of precipitation on aerosol particles along air mass trajector

Externí odkaz: https://doaj.org/article/a60d2bd817764bd0b1e3b69c9b680471

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Akademický článek

Nighttime and daytime dark oxidation chemistry in wildfire plumes: an observation and model analysis of FIREX-AQ aircraft data

Publikováno v: Atmospheric Chemistry and Physics, Vol 21, Pp 16293-16317 (2021)

Wildfires are increasing in size across the western US, leading to increases in human smoke exposure and associated negative health impacts. The impact of biomass burning (BB) smoke, including wildfires, on regional air quality depends on emissions,

Externí odkaz: https://doaj.org/article/02f70af05f9e4872ba632c70b6749087

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Akademický článek

Total organic carbon and the contribution from speciated organics in cloud water: airborne data analysis from the CAMP2Ex field campaign

Publikováno v: Atmospheric Chemistry and Physics, Vol 21, Pp 14109-14129 (2021)

This work focuses on total organic carbon (TOC) and contributing species in cloud water over Southeast Asia using a rare airborne dataset collected during NASA's Cloud, Aerosol and Monsoon Processes Philippines Experiment (CAMP2Ex), in which a wide v

Externí odkaz: https://doaj.org/article/62f201d5c25a4fc3a13b7f7e849ecfb5

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Akademický článek

Cloud drop number concentrations over the western North Atlantic Ocean: seasonal cycle, aerosol interrelationships, and other influential factors

Publikováno v: Atmospheric Chemistry and Physics, Vol 21, Pp 10499-10526 (2021)

Cloud drop number concentrations (Nd) over the western North Atlantic Ocean (WNAO) are generally highest during the winter (DJF) and lowest in summer (JJA), in contrast to aerosol proxy variables (aerosol optical depth, aerosol index, surface aerosol

Externí odkaz: https://doaj.org/article/757a75bb06244fe9b95628be44e6df08

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