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Atmosphere
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Atmospheric Radiative Transfer and Remote Sensing
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Atmospheric Radiative Transfer and Remote Sensing

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

Deadline for manuscript submissions: closed (10 February 2023) | Viewed by 11275

Special Issue Editor

Dr. Amin Shahrokhi

E-Mail Website
Guest Editor
Department of Radiochemistry and Radioecology, University of Pannonia, 8200 Veszprém, Hungary
Interests: environmental science; environmental radioactivity; radiation protection; radioecology; dosimetry; radionuclide; radon; radiological surveys; radioactive materials; radiation; radiation exposure; gamma ray; background radiation; radiotoxicity; radioactivity pollution; occupational exposure
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The Sun, as the main energy source of the Earth, transports its energy through the atmosphere by particle radiation and electromagnetic radiation. This can include ions, electrically charged particles, and uncharged neutrons. Particle radiation accounts for only a small fraction of the Sun’s radiant energy compared to electromagnetic radiation. The energy from the Sun fuels the physical processes in the atmosphere. The solar radiation entering the atmosphere significantly interacts with the atmospheric matter; the components of the atmosphere absorb the solar radiation at different wavelengths and deflect (scatter) it from its original path. This scattering is actually experienced as daylight. These mechanisms cause the solar radiation reaching the Earth’s surface to be significantly attenuated, and to change its spectral composition compared to its original form. This interaction between atmospheric matter and solar radiation plays a leading role in life conditions at the Earth’s surface—as an example, the absorption, emission, and scattering of radiation within the atmosphere are critical processes that impact our planet’s climate and allow the remote sensing of key atmospheric properties.

Therefore, in this Special Issue, “Atmospheric Radiative Transfer and Remote Sensing”, the scope has been extended to cover a wide range of topics for a better understanding of solar radiation, as well as the impacts of interaction with atmospheric matter on climate, the Earth and humans.

Accordingly, we warmly invite all specialists, experts, higher-education students, researchers, scientists, and educational/industrial centers to present their latest experimental or theoretical scientific achievements across the broader spectrum of energy transfer, remote sensing, climate modeling, climate monitoring, trace gases and radiation interaction, in the form of original research articles or reviews.

Topics of interest include, but are not limited to, the following:

  • Solar radiation and interaction with the atmospheric matter and its impacts (e.g., cloud–radiation interactions and their feedback to the climate system);
  • Modelling and simulating of the movement of solar and thermal radiation through the atmosphere;
  • The application of radiative transfer codes in modelling, science, climatology and meteorology;
  • Prediction models for illustrating the impact of atmospheric radiation, including the greenhouse effect;
  • Radiative transfer models and satellite applications for monitoring atmospheric phenomena and climate modeling;
  • Radiative processes and the radiative energy balance in the Earth–atmosphere system;
  • Microwave and infrared remote sensing and studying the radiative processes in the upper atmosphere;
  • Climate modeling and climate monitoring from space: surface temperatures, winds, humidity and content of clouds; Earth’s radiation budget;
  • Testing modeled climate feedbacks using satellite and GPS radio data, radiative fluxes and cloud radiative forcings with satellite data and models, as well as radiative transfer inversion algorithms;
  • The link between particulate pollution and visibility reduction and radiation fog cloud;
  • Remote sensing (satellite- and ground-based) and high-resolution remote sensing of clouds and aerosol;
  • Solar radiation and human health.

Dr. Amin Shahrokhi
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

  • solar radiation
  • radiative transfer
  • thermal radiation
  • remote sensing
  • modelling
  • meteorology
  • climate modeling
  • solar radiation interaction
  • greenhouse
  • human health

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (4 papers)

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Research

36 pages, 3827 KiB  
Article
Machine Learning and Physics-Based Hybridization Models for Evaluation of the Effects of Climate Change and Urban Expansion on Photosynthetically Active Radiation
by Samuel Chukwujindu Nwokolo, Nikolaos Proutsos, Edson L. Meyer and Chinedu Christian Ahia
Atmosphere 2023, 14(4), 687; https://doi.org/10.3390/atmos14040687 - 5 Apr 2023
Cited by 29 | Viewed by 3182
Abstract
Given the interdependence of climate change (CLC) and urban expansion (URE) on ecosystem productivity in China and India, hybrid physics-based models were fitted in this study to evaluate the effects of these variables on photosynthetically active radiation (PAR). This was accomplished by interpolating [...] Read more.
Given the interdependence of climate change (CLC) and urban expansion (URE) on ecosystem productivity in China and India, hybrid physics-based models were fitted in this study to evaluate the effects of these variables on photosynthetically active radiation (PAR). This was accomplished by interpolating the most recent five general circulation models (GCMs) from coupled model intercomparison project phase 6 (CMIP6) into the CMIP6 multi-ensemble model. The potential of PAR is projected to increase by 0.001 to 2.077% in China and by 0.002 to 6.737% in India, on a seasonal and annual basis, if the warming is kept at 1.5 °C from now until the end of this century. The effects of CLC and URE on the changes in PAR in China and India were investigated, and URE had a greater impact than CLC when compared to effective contributions, with 49.47% for China and 28.41% for India in the entire case scenario. In contrast, CLC and PAR residual factor (PRF) have a greater impact in India than in China, with effects of 13.79% and 57.79% compared to 0.89% and 49.64%, respectively. Preferences for exotic, high-productivity plant species, irrigation, CO2 fertilization, and nitrogen deposition are suggested as measures for replenishing PAR in both countries. Full article
(This article belongs to the Special Issue Atmospheric Radiative Transfer and Remote Sensing)
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14 pages, 1802 KiB  
Article
Statistical Seismo-Ionospheric Influence with the Focal Mechanism under Consideration
by Mei Li, Zhigao Yang, Jin Song, Yongxian Zhang, Xianghua Jiang and Xuhui Shen
Atmosphere 2023, 14(3), 455; https://doi.org/10.3390/atmos14030455 - 24 Feb 2023
Cited by 5 | Viewed by 2733
Abstract
This research aims to statistically investigate seismo-ionospheric influence related to strong earthquakes with different focal mechanisms. The nighttime O+ density and electron density, measured by the CSES satellite for about 3 years and by the DEMETER satellite for 6 years, were utilized [...] Read more.
This research aims to statistically investigate seismo-ionospheric influence related to strong earthquakes with different focal mechanisms. The nighttime O+ density and electron density, measured by the CSES satellite for about 3 years and by the DEMETER satellite for 6 years, were utilized to globally search for ionospheric perturbations with different datasets. Data on strong M ≥ 6.0 earthquakes with focal mechanism information within a ±45° geographic latitude were collected during the periods considered. A comparison was automatically performed using software to correlate these ionospheric variations and earthquakes under the condition that a perturbation occurred at a horizontal distance less than 1500 km from the epicenter and up to 15 days before the earthquake. The Kp index was maintained as less than 3 in this timeframe to reduce the effects of geomagnetic activities. Combined with statistical results provided by four groups of rupture and strike-slip earthquakes corresponding to both satellites, it was shown that the averaged ionospheric number of rupture earthquakes is slightly higher than that obtained from strike-slip events, on which basis it seems that, averagely, rupture earthquakes tend to give rise to a heavier influence on the ionosphere than strike-slip ones. Furthermore, this conclusion was comparatively confirmed by commonly detected earthquakes and random events completely for the CSES satellite and partly for the DEMETER satellite. At the same time, we did not gain a firm conclusion regarding the detection rates corresponding to these two types of earthquakes. Thus, further investigations will be necessary as more data are collected. Full article
(This article belongs to the Special Issue Atmospheric Radiative Transfer and Remote Sensing)
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17 pages, 1590 KiB  
Article
Radiative Transfer Model Comparison with Satellite Observations over CEOS Calibration Site Libya-4
by Yves Govaerts, Yvan Nollet and Vincent Leroy
Atmosphere 2022, 13(11), 1759; https://doi.org/10.3390/atmos13111759 - 26 Oct 2022
Cited by 5 | Viewed by 3025
Abstract
Radiative transfer models of the Earth’s atmosphere play a critical role in supporting Earth Observation applications such as vicarious calibration. In the solar reflective spectral domain, these models usually account for the scattering and absorption processes in the atmosphere and the underlying surface [...] Read more.
Radiative transfer models of the Earth’s atmosphere play a critical role in supporting Earth Observation applications such as vicarious calibration. In the solar reflective spectral domain, these models usually account for the scattering and absorption processes in the atmosphere and the underlying surface as well as the radiative coupling between these two media. A range of models is available to the scientific community with built-in capabilities making them easy to operate by a large number of users. These models are usually benchmarked in idealised but often unrealistic conditions such as monochromatic radiation reflected by a Lambertian surface. Four different 1D radiative transfer models are compared in actual usage conditions corresponding to the simulation of satellite observations. Observations acquired by six different space-borne radiometers over the pseudo-invariant calibration site Libya-4 are used to define these conditions. The differences between the models typically vary between 0.5 and 3.5% depending on the spectral region and the shape of the sensor spectral response. Full article
(This article belongs to the Special Issue Atmospheric Radiative Transfer and Remote Sensing)
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15 pages, 2915 KiB  
Article
24 h Evolution of an Exceptional HONO Plume Emitted by the Record-Breaking 2019/2020 Australian Wildfire Tracked from Space
by Gaëlle Dufour, Maxim Eremenko, Guillaume Siour, Pasquale Sellitto, Juan Cuesta, Agnès Perrin and Matthias Beekmann
Atmosphere 2022, 13(9), 1485; https://doi.org/10.3390/atmos13091485 - 13 Sep 2022
Cited by 4 | Viewed by 1711
Abstract
Megafires occurred in Australia during the 2019/2020 bushfire season, leading to enhanced concentrations of many tropospheric pollutants. Here, we report on a fire plume with unusually high and persistent nitrous acid (HONO) levels that we could track during one day at free tropospheric [...] Read more.
Megafires occurred in Australia during the 2019/2020 bushfire season, leading to enhanced concentrations of many tropospheric pollutants. Here, we report on a fire plume with unusually high and persistent nitrous acid (HONO) levels that we could track during one day at free tropospheric levels over the Tasman Sea on 4 January 2020 using IASI and CrIS satellite observations. HONO concentrations up to about 25 ppb were retrieved during nighttime. Persistent HONO concentrations (>10 ppb) were still observed at sunrise, likely due to large aerosol concentrations within the plume, preventing HONO photodissociation. In addition, comparison with carbon monoxide (CO) measurements suggest a secondary production during the plume transport. Model simulations confirm that the plume is transported in the lower free troposphere with concentrations as high as 30 ppb at about 4 km. However, many uncertainties and unknowns remain in the plume aerosol load and in the chemical processes which may explain the model inability to reproduce elevated HONO concentrations at sunrise. Full article
(This article belongs to the Special Issue Atmospheric Radiative Transfer and Remote Sensing)
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