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Generation and assessment of MODIS time series using quality information

Colditz, Rene and Conrad, Christopher and Wehrmann, Thilo and Schmidt, Michael and Dech, Stefan (2006) Generation and assessment of MODIS time series using quality information. In: IEEE Geoscience and Remote Sensing Symposium, onDVD. IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2006, 2006-07-31 - 2006-08-04, Denver, CO (USA). ISBN 0-7803-9510-7.

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Abstract

Monitoring and modeling extensive Earth surface processes for regional to global applications such as carbon budgeting or biomass estimation requires time series derived from remotely sensed imagery. Time series are also needed for discrimination of long-term land cover change from short-term variations, mapping of vegetation dynamics and improved land cover mapping and update. The results of these applications, however, clearly depend on the quality of the time series. Cloud coverage, high aerosol content, adverse view and illumination angles, or sensor defects affect and corrupt the data and may lead to false conclusions. Value-added MODIS data contain detailed pixel level quality information. This source of meta-data highly suits for data analysis or generation of time series. A software package, called Time Series Generator (TiSeG), has been developed to analyze data quality and estimate the quality of time series to be generated. TiSeG meets the challenge to weight the data quality against the quantity of available data for meaningful time series construction.

Document Type:Conference or Workshop Item (Paper, Poster)
Title:Generation and assessment of MODIS time series using quality information
Authors:
AuthorsInstitution or Email of Authors
Colditz, ReneUNSPECIFIED
Conrad, ChristopherUNSPECIFIED
Wehrmann, ThiloUNSPECIFIED
Schmidt, MichaelUNSPECIFIED
Dech, StefanUNSPECIFIED
Date:31 July 2006
Journal or Publication Title:IEEE Geoscience and Remote Sensing Symposium
Refereed publication:Yes
In ISI Web of Science:No
Page Range:onDVD
ISBN:0-7803-9510-7
Status:Published
Keywords:Time series, Data quality, Quality assessment, Land surface processes, MODIS, Western Africa
Event Title:IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2006
Event Location:Denver, CO (USA)
Event Type:international Conference
Event Dates:2006-07-31 - 2006-08-04
Organizer:IEEE
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 Geowissenschaftl. Fernerkundungs- und GIS-Verfahren (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Environment and Security > Environment and Geoinformation
Deposited By: Rene Colditz
Deposited On:04 Sep 2006
Last Modified:27 Apr 2009 13:03

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