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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/36629
Record Status
Checked
Record Id
36629
Title
Intercomparison of cloud top altitudes as derived using GOME and ATSR-2 instruments onboard ERS-2
Contributors
VV Rozanov (Institute of Environmental Physics, University of Bremen, D-28334 Bremen, Germany)
,
AA Kokhanovsky (Institute of Environmental Physics, University of Bremen, D-28334 Bremen, Germany)
,
D Loyola (Remote Sensing Technology Institute, German Aerospace Center (DLR), Oberpfaffenhofen, Wessling, Germany)
,
R Siddans (Space Science and Technology Department, Rutherford Appleton Laboratories, Chilton, UK)
,
B Latter (Space Science and Technology Department, Rutherford Appleton Laboratories, Chilton, UK)
,
A Stevens (Space Science and Technology Department, Rutherford Appleton Laboratories, Chilton, UK)
,
JP Burrows (Institute of Environmental Physics, University of Bremen, D-28334 Bremen, Germany)
Abstract
Cloud top heights as derived using measurements of two instruments (GOME and ATSR-2) onboard the ESA ERS-2 space platform are intercompared. It was found that cloud altitudes obtained using thermal IR measurements of ATSR-2 highly correlate with those obtained from top-of-atmosphere backscattered solar light measurements of GOME in O2 A-band using both the semi-analytical cloud retrieval algorithm SACURA and the neural network cloud retrieval algorithm ROCINN. The average cloud top heights as obtained by these diverse techniques for the whole data set analyzed (931 GOME pixels) differ by 0.6km on average, with larger values given by SACURA as applied to GOME data. We found that the standard deviation of SACURA-derived results for cloud top heights from those of ATSR-2 is equal to 1.8km, while the standard deviation of ROCINN-derived results is equal to 2.2km. The respective average deviations are 0.6km (SACURA) and -0.5km (ROCINN).
Organisation
CCLRC
,
SSTD
,
SSTD-RSG
Keywords
Physics
,
remote
,
sensing
,
radiative
,
transfer
,
clouds
,
thermal
,
imagery
Funding Information
Related Research Object(s):
Licence Information:
Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Journal Article
Remote Sens Environ
102 (2006): 186-193.
doi:10.1016/j.rse.2006.02.009
200602_Rozanov_RS…SR_SACURA_ROCINN.pdf
2006
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