A Physical Basis for the Overstatement of Low Clouds at Night by Conventional Satellite Infrared‐Based Imaging Radiometer Bi‐Spectral Techniques

Miller, Steven D.; Noh, Yoo‐Jeong; Grasso, Lewis D.; Seaman, Curtis J.; Ignatov, Alexander; Heidinger, Andrew K.; Nam, SungHyun; Line, William E.; Petrenko, Boris

doi:10.1029/2021ea002137

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A Physical Basis for the Overstatement of Low Clouds at Night by Conventional Satellite Infrared‐Based Imaging Radiometer Bi‐Spectral Techniques

2022
By Miller, Steven D. ; Noh, Yoo‐Jeong ; Grasso, Lewis D. ; ...
Source: Earth and Space Science, 9(2)

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Journal Title:

Earth and Space Science
Personal Author:

Miller, Steven D. ; Noh, Yoo‐Jeong ; Grasso, Lewis D. ; Seaman, Curtis J. ; Ignatov, Alexander ; ... More +

Miller, Steven D. ; Noh, Yoo‐Jeong ; Grasso, Lewis D. ; Seaman, Curtis J. ; Ignatov, Alexander ; Heidinger, Andrew K. ; Nam, SungHyun ; Line, William E. ; Petrenko, Boris Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; CIRA (Cooperative Institute for Research in the Atmosphere) ; STAR (Center for Satellite Applications and Research)

NESDIS (National Environmental Satellite, Data, and Information Service) ; CIRA (Cooperative Institute for Research in the Atmosphere) ; STAR (Center for Satellite Applications and Research) Less -
Description:

Marine boundary layer (MBL) clouds, ubiquitous to the world’s oceans, help govern the radiative balance of Earth’s climate system. Satellite remote sensing provides the most practical means to monitor cloud worldwide. Whereas visible-based detection of MBL clouds from environmental satellites is relatively straightforward during the daytime, the night presents challenges. In certain conditions, the conventional infrared (IR) methods used for nocturnal cloud detection, such as the commonly used 11–3.9 μm brightness temperature difference, offer poor thermal and spectral contrast between clouds and the clear-sky background— resulting in missed clouds. A less explored question is to what extent these IR techniques overstate the
Keywords:

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Environmental Science (miscellaneous) General Earth And Planetary Sciences
Source:

Earth and Space Science, 9(2)
DOI:

https://doi.org/10.1029/2021ea002137
ISSN:

2333-5084;2333-5084;
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PDF
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American Geophysical Union (AGU)
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Journal Article
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https://creativecommons.org/licenses/by-nc/4.0/
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CC BY-NC
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urn:sha256:40ad0f16a92c616139df9057aa2cfb3fb69201bd7515620fdb155d2e5d1dc979
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https://repository.library.noaa.gov/view/noaa/54099/noaa_54099_DS1.pdf
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