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APDA Water Vapor Retrieval Validation for Sentinel-2 Imagery

Makarau, Aliaksei and Richter, Rudolf and Schläpfer, Daniel and Reinartz, Peter (2017) APDA Water Vapor Retrieval Validation for Sentinel-2 Imagery. IEEE Geoscience and Remote Sensing Letters, 14 (2), pp. 227-231. IEEE - Institute of Electrical and Electronics Engineers. DOI: 10.1109/LGRS.2016.2635942 ISSN 1545-598X

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Official URL: http://ieeexplore.ieee.org/document/7797518/


Water vapor is one of the main parameters for atmospheric correction of Sentinel-2 imagery. Together with the aerosol retrieval it determines the accuracy of the surface reflectance product. Since Sentinel-2A and soon Sentinel-2B are operational satellites with a free data policy there is great interest in processing this data and using it for environmental studies. This contribution performs a validation of Sentinel-2 retrieved water vapor over land by comparing the scene-derived water vapor column with the AERONET measurement as an independent source. The validation is performed for a large range of AERONET site elevations and solar zenith angles using the atmospheric precorrected differential absorption (APDA) technique. Results show a high correlation with a low RMSE of about 0.1 cm for water vapor values from 0.2 to 5 cm.

Item URL in elib:https://elib.dlr.de/108754/
Document Type:Article
Title:APDA Water Vapor Retrieval Validation for Sentinel-2 Imagery
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Makarau, Aliakseialiaksei.makarau (at) dlr.deUNSPECIFIED
Richter, RudolfRudolf.Richter (at) dlr.deUNSPECIFIED
Schläpfer, Danieldaniel (at) rese.chUNSPECIFIED
Reinartz, Peterpeter.reinartz (at) dlr.deUNSPECIFIED
Date:February 2017
Journal or Publication Title:IEEE Geoscience and Remote Sensing Letters
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1109/LGRS.2016.2635942
Page Range:pp. 227-231
Frery, Alejandro C.acfrery@gmail.com
Publisher:IEEE - Institute of Electrical and Electronics Engineers
Keywords:Sentinel-2, water vapor retrieval, APDA method, AERONET
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 hochauflösende Fernerkundungsverfahren
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Photogrammetry and Image Analysis
Deposited By: Makarau, Aliaksei
Deposited On:06 Dec 2016 16:06
Last Modified:08 Mar 2018 18:31

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