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The hyperspectral Mission DESIS - Validation of L2A products using Sentinel-2 and RadCalNet data

de los Reyes, Raquel and Alonso, Kevin and Bachmann, Martin and Carmona, Emiliano and Müller, Rupert and Pflug, Bringfried and Richter, Rudolf (2021) The hyperspectral Mission DESIS - Validation of L2A products using Sentinel-2 and RadCalNet data. 4th sentinel-2 validation team meeting, 13. - 15. Marz 2021, Virtual Event.

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The hyperspectral instrument "DLR Earth Sensing Imaging Spectrometer" (DESIS) was integrated into the "Multi-User System for Earth Sensing" (MUSES) platform, on-board of the International Space Station (ISS), on August 2018. Developed within a collaboration between the US company Teledyne Brown Engineering (TBE) and the German Aerospace Center (DLR), DESIS is in operational phase since October 2019. This contribution will present a summary of the activities carried out by the DESIS Ground Segment for the validation of the L2A products during and after the commissioning phase. The validation results will be focused on the radiometric comparison (TOA and BOA) with Sentinel-2 data and on-ground measurements from the Radiometric Calibration Network (RadCalNet). Using these different data sources of TOA and BOA measurements, the quality of the DESIS BOA data can be addressed in a relative and an absolute way. The inter-comparison between DESIS data and Sentinel-2 data has also been used to validate the consistency in the used L2 processing software. The results of this study show a good level of agreement, both on TOA and BOA level, between Sentinel-2, DESIS and RadCalNet, demonstrating a consistent radiometric and spectral calibration of the space-borne sensors, as well as a good level of consistency in the atmospheric correction.

Item URL in elib:https://elib.dlr.de/144816/
Document Type:Conference or Workshop Item (Speech)
Title:The hyperspectral Mission DESIS - Validation of L2A products using Sentinel-2 and RadCalNet data
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
de los Reyes, RaquelRaquel.delosReyes (at) dlr.dehttps://orcid.org/0000-0003-0485-9552
Alonso, KevinKevin.AlonsoGonzalez (at) dlr.dehttps://orcid.org/0000-0003-2469-8290
Bachmann, MartinMartin.Bachmann (at) dlr.dehttps://orcid.org/0000-0001-8381-7662
Carmona, Emilianoemiliano.carmona (at) dlr.deUNSPECIFIED
Pflug, BringfriedBringfried.Pflug (at) dlr.dehttps://orcid.org/0000-0002-4626-9393
Richter, RudolfRudolf.Richter (at) dlr.deUNSPECIFIED
Date:13 March 2021
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Hyperspectral, DESIS, RadCalNet, surface reflectance
Event Title:4th sentinel-2 validation team meeting
Event Location:Virtual Event
Event Type:international Conference
Event Dates:13. - 15. Marz 2021
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Project DESIS on MUSES
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Photogrammetry and Image Analysis
German Remote Sensing Data Center > Land Surface Dynamics
Deposited By: de los Reyes, Dr. Raquel
Deposited On:25 Oct 2021 12:53
Last Modified:30 Nov 2021 18:13

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