Special Issue “Ground-Based Remote Sensing of the Atmosphere during the COVID-19 Lockdown”

The COVID-19 pandemic has disrupted our way of life for more than a year. To combat the pandemic, several unprecedented and stringent measures have been taken worldwide, such as social distancing, partial and total lockdowns, extensive travel bans, massive quarantines, etc. In addition to reducing contagion and saving many lives, these restrictive measures have greatly limited human activities such as traffic and industry. This situation has resulted in a direct impact on the emission of aerosols and gases, creating unique conditions for assessing the anthropogenic effect on the composition of the atmosphere. These variations in the aerosol could have also subsequently influenced/affected the cloud characteristics. The quantification of these effects provides important information to discern between natural and anthropogenic effects, which remain one of the main uncertainties in climate change assessment. In this particular situation, ground-based remote sensing, alone or combined with other instrumentation, provides fundamental information to improve our understanding of the anthropogenic impact. Additionally, the impact is expected to differ from region to region according to the measures adopted by the governments. Thus, both global and regional analyses are needed in order to assess the overall impact of this unprecedented situation. Resolving such uncertainties is crucial in constraining the future global and regional climate responses to the combination of greenhouse gases and aerosol emissions. This extraordinary situation makes it highly pertinent and timely to bring together contributions on this topic in the context of a Special Issue. This Special Issue will welcome contributions dealing with the study of the effects of these closures on atmospheric aerosols and gases, and other derived effects on clouds, focusing on passive or active remote sensing from the ground. Combinations of ground-based remote sensing combined with in situ and satellite data are also encouraged.

Dr. Maria A. Obregón
Prof. Dr. Maria João Costa
Dr. Guadalupe Sánchez Hernández
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 papers will be 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 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.

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