Preliminary investigations toward nighttime aerosol optical depth retrievals from the VIIRS Day/Night Band
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Published:2013-05-14
Issue:5
Volume:6
Page:1245-1255
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ISSN:1867-8548
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Container-title:Atmospheric Measurement Techniques
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language:en
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Short-container-title:Atmos. Meas. Tech.
Author:
Johnson R. S., Zhang J.ORCID, Hyer E. J.ORCID, Miller S. D., Reid J. S.
Abstract
Abstract. A great need exists for reliable nighttime aerosol products at high spatial and temporal resolution. In this concept demonstration study, using Visible/Infrared Imager/Radiometer Suite (VIIRS) Day/Night Band (DNB) observations on the Suomi National Polar-orbiting Partnership (NPP) satellite, a new method is proposed for retrieving nighttime aerosol optical depth (τ) using the contrast between regions with and without artificial surface lights. Evaluation of the retrieved τ values against daytime AERONET data from before and after the overpass of the VIIRS satellite over the Cape Verde, Grand Forks, and Alta Floresta AERONET stations yields a coefficient of determination (r2) of 0.71. This study suggests that the VIIRS DNB has the potential to provide useful nighttime aerosol detection and property retrievals.
Publisher
Copernicus GmbH
Subject
Atmospheric Science
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