Comparison of the parameters of condensation activity of submicron aerosol obtained by means of an optical counter and an integral nephelometer

2021 ◽  
Author(s):  
Viktor V. Polkin ◽  
Svetlana . Terpugova ◽  
Vladimir . Shmargunov ◽  
Mikhail . Panchenko
Keyword(s):  
Submicron Aerosol ◽  
Condensation Activity

Submikroninių aerozolio dalelių kilmės ir fizikinių-cheminių parametrų įtaka atmosferos šiluminei pusiausvyrai

2020 ◽  
Author(s):  
◽  
Julija Pauraitė-Dudek
Keyword(s):  
Chemical Parameters ◽  
Radiative Balance ◽  
Submicron Aerosol ◽  
Physical Chemical ◽  
The Impact ◽  
Aerosol Source

The impact of submicron aerosol source and physical-chemical parameters on atmospheric radiative balance

scholarly journals Characterization of submicron aerosol particles in winter at Albany, New York

2022 ◽  
Vol 111 ◽  
pp. 118-129
Author(s):  
Xiuli Wei ◽  
Huaqiao Gui ◽  
Jianguo Liu ◽  
Ying Cheng
Keyword(s):  
New York ◽  
Aerosol Particles ◽  
Submicron Aerosol

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

2016 ◽  
Vol 16 (14) ◽  
pp. 9435-9455 ◽  
Author(s):  
Matthew J. Alvarado ◽  
Chantelle R. Lonsdale ◽  
Helen L. Macintyre ◽  
Huisheng Bian ◽  
Mian Chin ◽  
...  
Keyword(s):  
Optical Properties ◽  
Size Distribution ◽  
Aerosol Size Distribution ◽  
Visible Radiation ◽  
Submicron Aerosol ◽  
In Situ Data ◽  
Aerosol Absorption ◽  
Aerosol Scattering ◽  
The Impact

Abstract. 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 absorption can be used to evaluate and improve models of aerosol optical properties without interference from model errors in aerosol emissions, transport, chemistry, or deposition rates. Here we evaluate the ability of four externally mixed, fixed size distribution parameterizations used in global models to simulate submicron aerosol scattering and absorption at three wavelengths using in situ data gathered during the 2008 Arctic Research of the Composition of the Troposphere from Aircraft and Satellites (ARCTAS) campaign. The four models are the NASA Global Modeling Initiative (GMI) Combo model, GEOS-Chem v9-02, the baseline configuration of a version of GEOS-Chem with online radiative transfer calculations (called GC-RT), and the Optical Properties of Aerosol and Clouds (OPAC v3.1) package. We also use the ARCTAS data to perform the first evaluation of the ability of the Aerosol Simulation Program (ASP v2.1) to simulate submicron aerosol scattering and absorption when in situ data on the aerosol size distribution are used, and examine the impact of different mixing rules for black carbon (BC) on the results. We find that the GMI model tends to overestimate submicron scattering and absorption at shorter wavelengths by 10–23 %, and that GMI has smaller absolute mean biases for submicron absorption than OPAC v3.1, GEOS-Chem v9-02, or GC-RT. However, the changes to the density and refractive index of BC in GC-RT improve the simulation of submicron aerosol absorption at all wavelengths relative to GEOS-Chem v9-02. Adding a variable size distribution, as in ASP v2.1, improves model performance for scattering but not for absorption, likely due to the assumption in ASP v2.1 that BC is present at a constant mass fraction throughout the aerosol size distribution. Using a core-shell mixing rule in ASP overestimates aerosol absorption, especially for the fresh biomass burning aerosol measured in ARCTAS-B, suggesting the need for modeling the time-varying mixing states of aerosols in future versions of ASP.

Development of an LDMA-FCE System for the Measurement of Submicron Aerosol Particles

2005 ◽  
Vol 38 (1) ◽  
pp. 34-44 ◽  
Author(s):  
Manabu Shimada ◽  
Hye Moon Lee ◽  
Chan Soo Kim ◽  
Hiromi Koyama ◽  
Toshihiko Myojo ◽  
...  
Keyword(s):  
Aerosol Particles ◽  
Submicron Aerosol

Model estimation of the lidar ratio of submicron aerosol containing black carbon

2006 ◽  
Author(s):  
Svetlana A. Terpugova ◽  
Mikhail V. Panchenko ◽  
Valerii S. Kozlov
Keyword(s):  
Black Carbon ◽  
Model Estimation ◽  
Submicron Aerosol ◽  
Lidar Ratio

scholarly journals Emission of submicron aerosol particles in cement kilns: Total concentration and size distribution

2014 ◽  
Vol 65 (1) ◽  
pp. 41-49
Author(s):  
Mauro Rotatori ◽  
Silvia Mosca ◽  
Ettore Guerriero ◽  
Antonio Febo ◽  
Marco Giusto ◽  
...  
Keyword(s):  
Size Distribution ◽  
Total Concentration ◽  
Aerosol Particles ◽  
Submicron Aerosol ◽  
Cement Kilns
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