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First Satellite-detected Perturbations of Outgoing Longwave Radiation Associated with Blowing Snow Events over AntarcticaWe present the first satellite-detected perturbations of the outgoing longwave radiation (OLR) associated with blowing snow events over the Antarctic ice sheet using data from Cloud-Aerosol Lidar with Orthogonal Polarization and Clouds and the Earth's Radiant Energy System. Significant cloud-free OLR differences are observed between the clear and blowing snow sky, with the sign andmagnitude depending on season and time of the day. During nighttime, OLRs are usually larger when blowing snow is present; the average difference in OLRs between without and with blowing snow over the East Antarctic Ice Sheet is about 5.2 W/m2 for the winter months of 2009. During daytime, in contrast, the OLR perturbation is usually smaller or even has the opposite sign. The observed seasonal variations and day-night differences in the OLR perturbation are consistent with theoretical calculations of the influence of blowing snow on OLR. Detailed atmospheric profiles are needed to quantify the radiative effect of blowing snow from the satellite observations.
Document ID
20140011343
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Yang, Yuekui
(Universities Space Research Association Columbia, MD, United States)
Palm, Stephen P.
(Science Systems and Applications, Inc. Lanham, MD, United States)
Marshak, Alexander
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Wu, Dong L.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Yu, Hongbin
(Maryland Univ. College Park, MD, United States)
Fu, Qiang
(Washington Univ. Seattle, WA, United States)
Date Acquired
September 3, 2014
Publication Date
January 31, 2014
Publication Information
Publication: Geophysical Research Letters
Volume: 41
Issue: 2
Subject Category
Earth Resources And Remote Sensing
Report/Patent Number
GSFC-E-DAA-TN12886
Funding Number(s)
CONTRACT_GRANT: NNX12AD03A
CONTRACT_GRANT: NNG11HP16A
CONTRACT_GRANT: NNG12HP08C
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
outgoing longwave radiation (OLR)
CALIOP and CERES
blowing snow (BLSN)
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