Aerosol Environmental Remote Sensing

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

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 931

Special Issue Editor

College of Geosciences and Surveying Engineering, China University of Mining & Technology, Beijing 100083, China
Interests: black carbon aerosol; aerosol radiative forcing; polarimetric remote sensing; atmospheric environment; environment ecology remote sensing; radiometric calibration
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The earth's radiation budget balance is determined by atmospheric aerosols, clouds, atmospheric molecules, and surface-reflected radiation.  Aerosols, clouds, and atmospheric gases absorb and scatter incoming sunlight and radiate long-wave infrared radiation. The process is accompanied by a dynamic redistribution of energy between the ocean, land, and atmosphere. Over the past few decades, physical processes have been introduced into climate models to make simulations more accurate. However, due to the complexity and variability of aerosol property inversion, the simulation of atmospheric aerosol effects is still in a highly uncertain state. Aerosols play important roles in climate, meteorology, and public health, hence attracting a lot of public concern.

Remote sensing is very useful for acquiring aerosol information in large scales considering its large coverage and long operation time. From 2000, with the launch of more and more satellite remote sensing sensors, algorithms and new applications are becoming more popular. To reflect the newly developed algorithms and applications of aerosol environmental and remote sensing, we are opening this new Special Issue in Atmosphere, calling for submissions of related original high-quality publications. We invite our colleagues to submit their work to this Special Issue.

Dr. Wei Chen
Guest Editor

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Keywords

  • aerosol
  • remote sensing
  • environmental radiative transfer
  • atmospheric correction
  • atmospheric effects

Published Papers (1 paper)

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Research

17 pages, 14539 KiB  
Article
City-Scale Aerosol Loading Changes in the Sichuan Basin from 2001 to 2020 as Revealed by MODIS 1 km Aerosol Product
by Ruixin Wang and Hongke Cai
Atmosphere 2023, 14(12), 1715; https://doi.org/10.3390/atmos14121715 - 21 Nov 2023
Viewed by 662
Abstract
Long-term high-resolution monitoring of aerosol optical depth (AOD) is necessary to understand air pollution problems and climate change at regional to urban scales. Based on the 1 km AOD dataset retrieved by the MODIS Multi-Angle Implementation of Atmospheric Correction algorithm (MAIAC), the spatial-temporal [...] Read more.
Long-term high-resolution monitoring of aerosol optical depth (AOD) is necessary to understand air pollution problems and climate change at regional to urban scales. Based on the 1 km AOD dataset retrieved by the MODIS Multi-Angle Implementation of Atmospheric Correction algorithm (MAIAC), the spatial-temporal evolutionary trends of AOD in the Sichuan Basin (SCB), Southwest China, and its 17 subordinate cities were analyzed from 2001 to 2020. In the past 20 years, the annual average AOD in SCB gradually decreased from south to north. The highest AOD of SCB in spring was 0.62, followed by an average AOD value of 0.60 in winter. At the city scale, Zigong, Neijiang, and Ziyang were identified as the three most polluted cities within the SCB. The average AOD in the SCB increased to 0.68 and 0.69 in February and March, respectively, and significantly decreased to 0.41 and 0.43 in June and July, respectively. The interannual AOD in the SCB presented an increasing trend from 2001 to 2010, with a range of 0.50 to 0.70, whereas it showed a decreasing trend from 2011 to 2020, with a range of 0.68 to 0.35. In spring, the annual average AOD at the district level showed significant high values from 2005 to 2012. In winter, the interannual AOD increased significantly, with high values concentrated in 2008, 2010, 2011, and 2013. The occurrence frequency of AOD in the SCB was mainly distributed between 0.2~0.5 and 1.5. There also was an increasing trend of AOD in the SCB from 2001 to 2008 and a decreasing trend from 2009 to 2020. The results of this study hold significance for further understanding the climatic characteristics and environmental effects of regional atmospheric aerosols. Full article
(This article belongs to the Special Issue Aerosol Environmental Remote Sensing)
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