A Long-Term Cloud Albedo Data Record Since 1980 from UV Satellite Sensors

Black-sky cloud albedo (BCA) is derived from satellite UV 340 nm observations from NOAA and NASA satellites to infer long-term (1980–2018) shortwave cloud albedo variations induced by volcano eruptions, the El Niño–Southern Oscillation, and decadal warming. While the UV cloud albedo has shown no lon...

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Main Authors: Clark J. Weaver, Dong L. Wu, Pawan K. Bhartia, Gordon J. Labow, David P. Haffner
Format: Article
Language:English
Published: MDPI AG 2020-06-01
Series:Remote Sensing
Subjects:
Online Access:https://www.mdpi.com/2072-4292/12/12/1982
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author Clark J. Weaver
Dong L. Wu
Pawan K. Bhartia
Gordon J. Labow
David P. Haffner
author_facet Clark J. Weaver
Dong L. Wu
Pawan K. Bhartia
Gordon J. Labow
David P. Haffner
author_sort Clark J. Weaver
collection DOAJ
description Black-sky cloud albedo (BCA) is derived from satellite UV 340 nm observations from NOAA and NASA satellites to infer long-term (1980–2018) shortwave cloud albedo variations induced by volcano eruptions, the El Niño–Southern Oscillation, and decadal warming. While the UV cloud albedo has shown no long-term trend since 1980, there are statistically significant reductions over the North Atlantic and over the marine stratocumulus decks off the coast of California; increases in cloud albedo can be seen over Southeast Asia and over cloud decks off the coast of South America. The derived BCA assumes a C-1 water cloud model with varying cloud optical depths and a Cox–Munk surface BRDF over the ocean, using radiances calibrated over the East Antarctic Plateau and Greenland ice sheets during summer.
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spelling doaj.art-51597360f3664dd8a4140836b099d20c2023-11-20T04:26:10ZengMDPI AGRemote Sensing2072-42922020-06-011212198210.3390/rs12121982A Long-Term Cloud Albedo Data Record Since 1980 from UV Satellite SensorsClark J. Weaver0Dong L. Wu1Pawan K. Bhartia2Gordon J. Labow3David P. Haffner4Earth System Science Interdisciplinary Center (ESSIC), University of Maryland, College Park, MD 20742, USAClimate and Radiation Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USAAtmospheric Chemistry and Dynamics Branch, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USAScience Systems and Applications (SSAI), Inc., Lanham, MD 20706, USAScience Systems and Applications (SSAI), Inc., Lanham, MD 20706, USABlack-sky cloud albedo (BCA) is derived from satellite UV 340 nm observations from NOAA and NASA satellites to infer long-term (1980–2018) shortwave cloud albedo variations induced by volcano eruptions, the El Niño–Southern Oscillation, and decadal warming. While the UV cloud albedo has shown no long-term trend since 1980, there are statistically significant reductions over the North Atlantic and over the marine stratocumulus decks off the coast of California; increases in cloud albedo can be seen over Southeast Asia and over cloud decks off the coast of South America. The derived BCA assumes a C-1 water cloud model with varying cloud optical depths and a Cox–Munk surface BRDF over the ocean, using radiances calibrated over the East Antarctic Plateau and Greenland ice sheets during summer.https://www.mdpi.com/2072-4292/12/12/1982SBUVOMPScloud albedodiurnal cyclecloud feedbackENSO
spellingShingle Clark J. Weaver
Dong L. Wu
Pawan K. Bhartia
Gordon J. Labow
David P. Haffner
A Long-Term Cloud Albedo Data Record Since 1980 from UV Satellite Sensors
Remote Sensing
SBUV
OMPS
cloud albedo
diurnal cycle
cloud feedback
ENSO
title A Long-Term Cloud Albedo Data Record Since 1980 from UV Satellite Sensors
title_full A Long-Term Cloud Albedo Data Record Since 1980 from UV Satellite Sensors
title_fullStr A Long-Term Cloud Albedo Data Record Since 1980 from UV Satellite Sensors
title_full_unstemmed A Long-Term Cloud Albedo Data Record Since 1980 from UV Satellite Sensors
title_short A Long-Term Cloud Albedo Data Record Since 1980 from UV Satellite Sensors
title_sort long term cloud albedo data record since 1980 from uv satellite sensors
topic SBUV
OMPS
cloud albedo
diurnal cycle
cloud feedback
ENSO
url https://www.mdpi.com/2072-4292/12/12/1982
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