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Atmosphere
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Optical Characteristics of Aerosol Pollution
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Optical Characteristics of Aerosol Pollution

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Aerosols".

Deadline for manuscript submissions: closed (23 February 2024) | Viewed by 3656

Special Issue Editor

Dr. Mao Mao

E-Mail Website
Guest Editor
School of Atmosphere Science and Remote Sensing, Wuxi University, Wuxi 214105, China
Interests: atmospheric physics and atmospheric environment; atmospheric remote sensing and atmospheric sounding
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Aerosol pollution is the world’s single greatest environmental risk to health. Some 6.5 million people across the world die prematurely every year from exposure to outdoor and indoor aerosol pollution, and 9 out of 10 people breathe outdoor aerosol pollution beyond acceptable WHO guidelines levels. Rapid population growth, unsustainable urban development, and increased energy demand from transportation, industrial, commercial, and residential activities have led to large amounts of emissions to the atmosphere that subject residents to the health risks associated with harmful pollutants, and impose heavy economic and social costs.

The aim of this Special Issue is to present original research articles and reviews in assessing the optical characteristics of aerosol pollution, including both experimental and monitoring studies and mathematical/numerical modeling studies. Topics to be covered include aerosol observations, particulate matter chemical characterization, and human exposure assessment.

Dr. Mao Mao
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Atmosphere is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • aerosol
  • optical characteristics
  • air pollution
  • human exposure

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Published Papers (2 papers)

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Research

19 pages, 2941 KiB  
Article
Using HawkEye Level-2 Satellite Data for Remote Sensing Tasks in the Presence of Dust Aerosol
by Anna Papkova, Darya Kalinskaya and Evgeny Shybanov
Atmosphere 2024, 15(5), 617; https://doi.org/10.3390/atmos15050617 - 20 May 2024
Cited by 1 | Viewed by 1302
Abstract
This paper is the first to examine the operation of the HawkEye satellite in the presence of dust aerosol. The study region is the Black Sea. Dust transport dates were identified using visual inspection of satellite imagery, back-kinematic HYSPLIT trajectory analysis, CALIPSO aerosol [...] Read more.
This paper is the first to examine the operation of the HawkEye satellite in the presence of dust aerosol. The study region is the Black Sea. Dust transport dates were identified using visual inspection of satellite imagery, back-kinematic HYSPLIT trajectory analysis, CALIPSO aerosol stratification and typing maps, and the global forecasting model SILAM. In a comparative analysis of in-situ and satellite measurements of the remote sensing reflectance, an error in the atmospheric correction of HawkEye measurements was found both for a clean atmosphere and in the presence of an absorbing aerosol. It is shown that, on average, the dependence of the atmospheric correction error on wavelength has the form of a power function of the form from λ−3 to λ−9. The largest errors are in the short-wavelength region of the spectrum (412–443 nm) for the dust and dusty marine aerosol domination dates. A comparative analysis of satellite and in situ measurements of the optical characteristics of the atmosphere, namely the AOD and the Ångström parameter, was carried out. It is shown that the aerosol model used by HawkEye underestimates the Angström parameter and, most likely, large errors and outliers in satellite measurements are associated with this. Full article
(This article belongs to the Special Issue Optical Characteristics of Aerosol Pollution)
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24 pages, 4491 KiB  
Article
Optical and Microphysical Properties of the Aerosols during a Rare Event of Biomass-Burning Mixed with Polluted Dust
by Marilena Gidarakou, Alexandros Papayannis, Panagiotis Kokkalis, Nikolaos Evangeliou, Stergios Vratolis, Emmanouella Remoundaki, Christine Groot Zwaaftink, Sabine Eckhardt, Igor Veselovskii, Maria Mylonaki, Athina Argyrouli, Konstantinos Eleftheriadis, Stavros Solomos and Maria I. Gini
Atmosphere 2024, 15(2), 190; https://doi.org/10.3390/atmos15020190 - 1 Feb 2024
Viewed by 1823
Abstract
A rare event of mixed biomass-burning and polluted dust aerosols was observed over Athens, Greece (37.9° N, 23.6° E), during 21–26 May 2014. This event was studied using a synergy of a 6-wavelength elastic-Raman-depolarization lidar measurements, a CIMEL sun photometer, and in situ [...] Read more.
A rare event of mixed biomass-burning and polluted dust aerosols was observed over Athens, Greece (37.9° N, 23.6° E), during 21–26 May 2014. This event was studied using a synergy of a 6-wavelength elastic-Raman-depolarization lidar measurements, a CIMEL sun photometer, and in situ instrumentation. The FLEXPART dispersion model was used to identify the aerosol sources and quantify the contribution of dust and black carbon particles to the mass concentration. The identified air masses were found to originate from Kazakhstan and Saharan deserts, under a rare atmospheric pressure system. The lidar ratio (LR) values retrieved from the Raman lidar ranged within 25–89 sr (355 nm) and 35–70 sr (532 nm). The particle linear depolarization ratio (δaer) ranged from 7 to 28% (532 nm), indicating mixing of dust with biomass-burning particles. The aerosol optical depth (AOD) values derived from the lidar ranged from 0.09–0.43 (355 nm) to 0.07–0.25 (532 nm). An inversion algorithm was used to derive the mean aerosol microphysical properties (mean effective radius (reff), single scattering albedo (SSA), and mean complex refractive index (m)) inside selected atmospheric layers. We found that reff was 0.12–0.51 (±0.04) µm, SSA was 0.94–0.98 (±0.19) (at 532 nm), while m ranged between 1.39 (±0.05) + 0.002 (±0.001)i and 1.63 (±0.05) + 0.008 (±0.004)i. The polarization lidar photometer networking (POLIPHON) algorithm was used to estimate the vertical profile of the mass concentration for the dust and non-dust components. A mean mass concentration of 15 ± 5 μg m−3 and 80 ± 29 μg m−3 for smoke and dust was estimated for selected days, respectively. Finally, the retrieved aerosol microphysical properties were compared with column-integrated sun photometer CIMEL data with good agreement. Full article
(This article belongs to the Special Issue Optical Characteristics of Aerosol Pollution)
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