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Quantitative comparison of the operational NOAA-AVHRR LST product of DLR and the MODIS LST product V005

Frey, Corinne, Myrtha and Künzer, Claudia and Dech, Stefan (2012) Quantitative comparison of the operational NOAA-AVHRR LST product of DLR and the MODIS LST product V005. International Journal of Remote Sensing, 33 (22), pp. 7165-7183. Taylor & Francis. DOI: 10.1080/01431161.2012.699693. ISSN ISSN 0143-1161 print/ISSN 1366-5901.

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Official URL: http://www.tandfonline.com/doi/abs/10.1080/01431161.2012.699693

Abstract

Land surface temperature (LST) products of two different sensors – the Advanced Very High Resolution Radiometer (AVHRR) and Moderate Resolution Imaging Spectroradiometer (MODIS) – were cross-compared. The analysis was conducted on a daily basis for four different years. Only pixels that stuck to certain homogeneity criteria were chosen. Furthermore, a time criterion defining the maximal time difference between two acquisitions was introduced. The differences between the two products showed both a diurnal and an annual pattern, with LST of AVHRR being higher than that of MODIS at high surface temperatures and AVHRR LST being lower than MODIS LST at lower temperatures. Additionally, some irregular patterns were identified and attributed to the different algorithm approaches. Mean annual absolute differences were relatively low: only 2.2 K for the daytime and 1.4 K for the night-time scenes, speaking for a general good agreement between the two products. The coefficient of determination (R2) between the LST of AVHRR and MODIS of both day and night scenes was 0.99.

Document Type:Article
Title:Quantitative comparison of the operational NOAA-AVHRR LST product of DLR and the MODIS LST product V005
Authors:
AuthorsInstitution or Email of Authors
Frey, Corinne, Myrthacorinne.frey@dlr.de
Künzer, Claudiaclaudia.kuenzer@dlr.de
Dech, Stefanstefan.dech@dlr.de
Date:20 November 2012
Journal or Publication Title:International Journal of Remote Sensing
Refereed publication:Yes
In Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:33
DOI:10.1080/01431161.2012.699693
Page Range:pp. 7165-7183
Publisher:Taylor & Francis
ISSN:ISSN 0143-1161 print/ISSN 1366-5901
Status:Published
Keywords:Comparison of land surface temperature, LST, NOAA-AVHRR, MODIS
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Prozesse der Landoberfläche (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Land Surface
Deposited By: Corinne Frey
Deposited On:16 Jul 2012 09:16
Last Modified:04 Apr 2013 09:33

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