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The DESIS L2A processor and validation of L2A products using AERONET and RadCalNet data

de los Reyes, Raquel and Alonso, Kevin and Bachmann, Martin and Carmona, Emiliano and Langheinrich, Maximilian and Müller, Rupert and Pflug, Bringfried and Richter, Rudolf (2021) The DESIS L2A processor and validation of L2A products using AERONET and RadCalNet data. 1st DESIS User Workshop, 28. Sept. - 1. Oct. 2021, Munich, Germany.

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Abstract

The hyperspectral instrument "DLR Earth Sensing Imaging Spectrometer" (DESIS) is a VNIR sensor on-board of the International Space Station (ISS) and operational since October 2019. DESIS acquires images of Earth on user request with a swath of about 30 km width and 235 bands with a Full Width at Half Maximum (FWHM) of 3.5 nm in the spectral range 400 to 1000 nm. In this contribution we will present the basis of the atmospheric correction by PACO software, implemented inside the DESIS Ground Segment as L2A processor. The resulting L2A products will be validated against independent in-situ measurements. The aerosol optical thickness and water vapor will be compared with the Aerosol Robotic Network (AERONET) measurements and the surface reflectance will be validated with the Radiometric Calibration Network (RadCalNet) data.

Item URL in elib:https://elib.dlr.de/145377/
Document Type:Conference or Workshop Item (Speech)
Title:The DESIS L2A processor and validation of L2A products using AERONET and RadCalNet data
Authors:
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
Langheinrich, MaximilianMaximilian.Langheinrich (at) dlr.deUNSPECIFIED
Müller, RupertRupert.Mueller (at) dlr.dehttps://orcid.org/0000-0002-3288-5814
Pflug, BringfriedBringfried.Pflug (at) dlr.dehttps://orcid.org/0000-0002-4626-9393
Richter, RudolfRudolf.Richter (at) dlr.deUNSPECIFIED
Date:28 September 2021
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Hyperspectral, DESIS, L2A, atmospheric correction, BOA, surface reflectance, AOT, aerosols, WV, water vapor
Event Title:1st DESIS User Workshop
Event Location:Munich, Germany
Event Type:international Conference
Event Dates:28. Sept. - 1. Oct. 2021
Organizer:DLR
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:12 Nov 2021 09:46
Last Modified:12 Nov 2021 09:46

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