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Satellite-based DNI nowcasting based on a sectoral atmospheric motion approach

Schroedter-Homscheidt, Marion and Killius, Niels and Mancera Guevara, Diana Rocio and Sirch, Tobias and Hanrieder, Natalie and Wilbert, Stefan and Yasser, Zeyad (2018) Satellite-based DNI nowcasting based on a sectoral atmospheric motion approach. AIP Conference Proceedings, 2033, pp. 190015-1. American Institute of Physics (AIP). DOI: 10.1063/1.5067200 ISSN 0094-243X

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Abstract

Within European Commission’s FP7 DNICast project a nowcasting scheme based on Meteosat Second Generation cloud imagery and cloud movement tracking was further developed. It uses a sectoral approach and answers the question at which time any cloud structure will affect the power plant. It distinguishes between thin cirrus clouds and other clouds, which typically occur in different heights in the atmosphere and move in different directions. Also, their optical properties are very different - especially for the calculation of direct normal irradiance (DNI) as required by concentrating solar power plants. The method is also applied in ESA’s CSP-FoSyS project developing a nowcasting and forecasting system. This paper shortly discusses the method and provides a comparison against an optical flow method. This comparison distinguishes between various cloud types. The study also provides an example how jumpiness and percentiles are part of the nowcasting ‘message’ and how they can be used quantitiatively in a first approach.

Item URL in elib:https://elib.dlr.de/123146/
Document Type:Article
Title:Satellite-based DNI nowcasting based on a sectoral atmospheric motion approach
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schroedter-Homscheidt, Marionmarion.schroedter-homscheidt (at) dlr.dehttps://orcid.org/0000-0002-1854-903X
Killius, Nielsniels.killius (at) dlr.deUNSPECIFIED
Mancera Guevara, Diana RocioDiana.ManceraGuevara (at) dlr.deUNSPECIFIED
Sirch, TobiasDLR, IPAUNSPECIFIED
Hanrieder, Natalienatalie.hanrieder (at) dlr.deUNSPECIFIED
Wilbert, StefanStefan.Wilbert (at) dlr.dehttps://orcid.org/0000-0003-3573-3004
Yasser, ZeyadTSK-Flagsol GmBHUNSPECIFIED
Date:2018
Journal or Publication Title:AIP Conference Proceedings
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:2033
DOI :10.1063/1.5067200
Page Range:pp. 190015-1
Publisher:American Institute of Physics (AIP)
ISSN:0094-243X
Status:Published
Keywords:sectoral atmospheric motion vector, nowcasting, DNI, direct irradiance,
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 - Remote sensing and geoscience
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Atmosphere
Institute of Solar Research > Qualification
Institute of Atmospheric Physics > Atmospheric Remote Sensing
Deposited By: Schroedter-Homscheidt, Marion
Deposited On:14 Nov 2018 09:38
Last Modified:29 Nov 2018 09:39

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