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Near-Real-Time Estimation of Spectral Surface Albedo from GOME-2/METOP Measurements

Pflug, Bringfried and Aberle, Bernd and Loyola, Diego and Valks, Pieter (2008) Near-Real-Time Estimation of Spectral Surface Albedo from GOME-2/METOP Measurements. In: 2008 EUMETSAT Meteorological Satellite Conference, pp. 1-7. EUMETSAT 2008 (Meteorological Satellite Conference), 2008-09-08 - 2008-09-12, Darmstadt, Germany. ISBN ISBN 978-92-9110-082-8. ISSN ISSN 1011-3932

Full text not available from this repository.

Official URL: http://www.eumetsat.int/groups/cps/documents/document/pdf_conf_p_s11_47_pflug_p.pdf

Abstract

An algorithm was developed for estimation of spectral surface albedo from top-of-atmosphere (TOA)-radiances measured by the Global Ozone Monitoring Experiment GOME-2 flying on-board MetOp-A. The algorithm estimates Minimum Lambert-Equivalent Reflectivity (MLER) for a moving time window of variable width. The time window gets smaller for varying surface conditions with time and larger for periods with a homogeneous surface. Different methods are used for computation of the MLER dependent on the amount of data available within the time window. The surface albedo is an important input for GOME-2 trace gas retrievals, both for the near real time and the off-line operational products. Trace gas retrieval algorithms usually take surface albedo from a suitable climatolgical database, but the actual surface albedo can vary considerable, especially for snowing conditions. The first version of the spectral surface albedo algorithm has been integrated into the operational Universal Processor for Atmospheric Spectrometer (UPAS) system. Examples of surface albedo will be presented demonstrating the impact on the retrieved GOME-2 trace gases, specially on the ozone and NO2 column products. Further developments of the surface albedo algorithm are finally discussed.

Document Type:Conference or Workshop Item (Poster)
Title:Near-Real-Time Estimation of Spectral Surface Albedo from GOME-2/METOP Measurements
Authors:
AuthorsInstitution or Email of Authors
Pflug, BringfriedUNSPECIFIED
Aberle, BerndUNSPECIFIED
Loyola, DiegoUNSPECIFIED
Valks, PieterUNSPECIFIED
Date:May 2008
Journal or Publication Title: 2008 EUMETSAT Meteorological Satellite Conference
Refereed publication:No
In ISI Web of Science:No
Page Range:pp. 1-7
Editors:
EditorsEmail
UNSPECIFIEDEUMETSAT
ISSN:ISSN 1011-3932
ISBN:ISBN 978-92-9110-082-8
Status:Published
Keywords:GOME
Event Title:EUMETSAT 2008 (Meteorological Satellite Conference)
Event Location:Darmstadt, Germany
Event Type:international Conference
Event Dates:2008-09-08 - 2008-09-12
Organizer:European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT)
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 Entwicklung und Erprobung von Verfahren zur Gewässerfernerkundung (old)
Location: Berlin-Adlershof , Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Remote Sensing Technology Institute > Marine Remote Sensing
Deposited By: Bärbel Bolowski
Deposited On:12 Mar 2009
Last Modified:08 May 2013 13:57

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