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

Frey, Corinne und Künzer, Claudia und 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), Seiten 7165-7183. Taylor & Francis. DOI: 10.1080/01431161.2012.699693. ISSN 0143-1161.

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

Kurzfassung

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.

Dokumentart:Zeitschriftenbeitrag
Titel:Quantitative comparison of the operational NOAA-AVHRR LST product of DLR and the MODIS LST product V005
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Frey, Corinnecorinne.frey@dlr.de
Künzer, Claudiaclaudia.kuenzer@dlr.de
Dech, Stefanstefan.dech@dlr.de
Datum:20 November 2012
Erschienen in:International Journal of Remote Sensing
Referierte Publikation:Ja
In Open Access:Nein
In SCOPUS:Ja
In ISI Web of Science:Ja
Band:33
DOI :10.1080/01431161.2012.699693
Seitenbereich:Seiten 7165-7183
Verlag:Taylor & Francis
ISSN:0143-1161
Status:veröffentlicht
Stichwörter:Comparison of land surface temperature, LST, NOAA-AVHRR, MODIS
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Raumfahrt
HGF - Programmthema:Erdbeobachtung
DLR - Schwerpunkt:Raumfahrt
DLR - Forschungsgebiet:R EO - Erdbeobachtung
DLR - Teilgebiet (Projekt, Vorhaben):R - Vorhaben Prozesse der Landoberfläche (alt)
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Deutsches Fernerkundungsdatenzentrum > Landoberfläche
Hinterlegt von: Corinne Frey
Hinterlegt am:16 Jul 2012 09:16
Letzte Änderung:06 Aug 2014 07:49

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