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Intercomparison of cloud top altitudes as derived using GOME and ATSR-2 instruments onboard ERS-2

Rozanov, V.V. and Kokhanovsky, A.A. and Loyola, Diego and Siddans, R. and Latter, B. and Stevens, A. and Burrows, J.P. (2006) Intercomparison of cloud top altitudes as derived using GOME and ATSR-2 instruments onboard ERS-2. Remote Sensing of Environment, 102, pp. 186-193. Elsevier. DOI: 10.1016/j.rse.2006.02.009.

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Official URL: http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V6V-4JDN6GK-7&_coverDate=05%2F30%2F2006&_alid=408471385&_rdoc=1&_fmt=&_orig=search&_qd=1&_cdi=5824&_sort=d&view=c&_acct=C000007338&_version=1&_urlVersion=0&_userid=100058&md5=b2e7e90a10f685271b1fe

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). © 2006 Elsevier Inc. All rights reserved.

Document Type:Article
Title:Intercomparison of cloud top altitudes as derived using GOME and ATSR-2 instruments onboard ERS-2
Authors:
AuthorsInstitution or Email of Authors
Rozanov, V.V.Institute of Environmental Physics, University of Bremen, D-28334 Bremen, Germany
Kokhanovsky, A.A.Institute of Environmental Physics, University of Bremen, D-28334 Bremen, Germany
Loyola, DiegoUNSPECIFIED
Siddans, R.Space Science and Technology Department, Rutherford Appleton Laboratories, Chilton, UK
Latter, B.Space Science and Technology Department, Rutherford Appleton Laboratories, Chilton, UK
Stevens, A.Space Science and Technology Department, Rutherford Appleton Laboratories, Chilton, UK
Burrows, J.P.Institute of Environmental Physics, University of Bremen, D-28334 Bremen, Germany
Date:31 May 2006
Journal or Publication Title:Remote Sensing of Environment
Volume:102
DOI:10.1016/j.rse.2006.02.009
Page Range:pp. 186-193
Publisher:Elsevier
Status:Published
Keywords:Radiative transfer; Remote sensing; Clouds; Thermal imagery
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Ozon-SAF (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Deposited By: Diego Loyola
Deposited On:31 May 2006
Last Modified:12 Dec 2013 20:19

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