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Advances in Aerosol-Cloud-Atmosphere Observation in the Middle and Upper Layers Based on Remote Sensing

A special issue of Remote Sensing (ISSN 2072-4292). This special issue belongs to the section "Atmospheric Remote Sensing".

Deadline for manuscript submissions: closed (15 August 2023) | Viewed by 1282

Special Issue Editors


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Guest Editor
Faculty of Physics, University of Bucharest, RO077125 Măgurele, Romania
Interests: aerosols; meteorology; atmospheric physics; environmental science

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Guest Editor
Faculty of Physics, University of Bucharest, 030018 Bucharest, Romania
Interests: remote sensing of clouds and precipitation; cloud radar; weather and climate extremes; climate change
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

An aerosol’s concentration and vertical height in the atmosphere determine its effect on atmospheric composition and cloud changes, while upper and middle clouds also act on atmospheric changes in various ways at different horizontal and vertical scales. Remote sensing technology and remote sensing data, as powerful tools for studying the radiative forcing and energy budget balance of aerosols and clouds, can more intuitively observe the three-dimensional structural effects and change patterns of clouds, aerosols, and atmosphere on different spatial scales. At the same time, with the development of urbanization, the future environment and climate are also facing great threats, so the change patterns of clouds and aerosols in the atmospheric system are worth further study.

This Special Issue aims to document observations and understanding of complex atmospheric-meteorological mechanisms in the middle and upper layers, obtained through remote sensing methods, particularly horizontal- and vertical-scale changes caused by clouds and aerosols in global climate models. Topics include, but are not limited to, observations of the Earth–atmosphere–climate system based on remote sensing and satellite products, as well as various related research results.

Prof. Dr. Sabina Ştefan
Dr. Bogdan Antonescu
Guest Editors

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. Remote Sensing is an international peer-reviewed open access semimonthly 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 2700 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

  • aerosols
  • cloud dynamics
  • atmospheric composition
  • global climate models
  • radiative transfer

Published Papers (1 paper)

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Research

27 pages, 8989 KiB  
Article
Multi-Frequency Differential Absorption LIDAR (DIAL) System for Aerosol and Cloud Retrievals of CO2/H2O and CH4/H2O
by Jasper R. Stroud, Gerd A. Wagner and David F. Plusquellic
Remote Sens. 2023, 15(23), 5595; https://doi.org/10.3390/rs15235595 - 1 Dec 2023
Viewed by 1097
Abstract
We discuss a remote sensing system that is used to simultaneously detect range-resolved differential absorption LIDAR (light detection and ranging; DIAL) signals and integrated path differential absorption LIDAR signals (IPDA LIDAR) from aerosol targets for ranges up to 22 km. The DIAL/IPDA LIDAR [...] Read more.
We discuss a remote sensing system that is used to simultaneously detect range-resolved differential absorption LIDAR (light detection and ranging; DIAL) signals and integrated path differential absorption LIDAR signals (IPDA LIDAR) from aerosol targets for ranges up to 22 km. The DIAL/IPDA LIDAR frequency converter consists of an OPO pumped at 1064 nm to produce light at 1.6 μm and operates at 100 Hz pulse repetition frequency. The probe light is free space coupled to a movable platform that contains one transmitter and two receiver telescopes. Hybrid photon counting/current systems increase the dynamic range for detection by two orders of magnitude. Range resolved and column integrated dry-air CO2 and CH4 mixing ratios are obtained from line shape fits of CO2 and CH4 centered at 1602.2 nm and 1645.5 nm, respectively, and measured at 10 different frequencies over ≈1.3 cm−1 bandwidth. The signal-to-noise ratios (SNRs) of the IPDA LIDAR returns from cloud aerosols approach 1000:1 and the uncertainties in the mixing ratios weighted according to the integrated counts over the cloud segments range from 0.1% to 1%. The range-averaged DIAL mixing ratios are in good agreement with the IPDA LIDAR mixing ratios at the 1% to 2% level for both CO2 and CH4. These results can serve as a validation method for future active and passive satellite observational systems. Full article
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