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Estimation of Land Surface Temperature from 1-km AVHRR data

Frey, Corinne (2016) Estimation of Land Surface Temperature from 1-km AVHRR data. European Geosciences Union General Assembly 2016, 17.-22. April, Wien, Österreich.

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Abstract

In order to re-process DLRs 1km AVHRR data archive to different geophysical and descriptive parameters of the land surface and the atmosphere, a series of scientific data processors are being developed in the framework of the TIMELINE project. The archive of DLR ranges back to the 80ies. One of the data processors is SurfTemp, which processes L2 LST and emissivity datasets from AVHRR L1b data. The development of the data processor included the selection of statistical procedures suitable for time series processing, including four mono-window and six split window algorithms. For almost all of these algorithms, new constants were generated, which better account for different atmospheric and geometric acquisition situations. The selection of optimal algorithms for SurfTemp is based on a round robin approach, in which the selected mono-window and split window algorithms are tested on the basis of a large number of TOA radiance/LST pairs, which were generated using a radiative transfer model and the SeeBorV5 profile database. The original LSTs are thereby compared to the LSTs derived from the TOA radiances using the mono- and split window algorithms. The algorithm comparison includes measures of precision, as well as the sensitivity of a method to the accuracy of its input data. The results of the round robin are presented, as well as the implementation of selected algorithms into SurfTemp.

Item URL in elib:https://elib.dlr.de/104149/
Document Type:Conference or Workshop Item (Poster)
Title:Estimation of Land Surface Temperature from 1-km AVHRR data
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Frey, Corinnecorinne.frey (at) dlr.dehttps://orcid.org/0000-0002-9879-9732
Date:April 2016
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Land Surface Temperature, LST, AVHRR
Event Title:European Geosciences Union General Assembly 2016
Event Location:Wien, Österreich
Event Type:international Conference
Event Dates:17.-22. April
Organizer:EGU
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 Fernerkundung der Landoberfläche (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Land Surface
Deposited By: Frey, Dr. Corinne
Deposited On:03 May 2016 13:15
Last Modified:31 Jul 2019 20:01

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