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| Titel |
Validation of an hourly resolved global aerosol model in answer to solar electricity generation information needs |
| VerfasserIn |
M. Schroedter-Homscheidt, A. Oumbe |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1680-7316
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Chemistry and Physics ; 13, no. 7 ; Nr. 13, no. 7 (2013-04-10), S.3777-3791 |
| Datensatznummer |
250018579
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| Publikation (Nr.) |
 copernicus.org/acp-13-3777-2013.pdf |
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| Zusammenfassung |
| Solar energy applications need global aerosol optical depth (AOD)
information to derive historic surface solar irradiance databases from
geostationary meteorological satellites reaching back to the 1980's. This
paper validates the MATCH/DLR model originating in the climate community
against AERONET ground measurements. Hourly or daily mean AOD model output
is evaluated individually for all stations in Europe, Africa and the Middle
East – an area highly interesting for solar energy applications being
partly dominated by high aerosol loads. Overall, a bias of 0.02 and a root-mean-square error (RMSE) of 0.23 are found for daily mean AOD values, while the
RMSE increases to 0.28 for hourly mean AOD values. Large differences between
various regions and stations are found providing a feedback loop for the
aerosol modelling community. The difference in using daily means versus
hourly resolved modelling with respect to hourly resolved observations is
evaluated. Nowadays state-of-the-art in solar resource assessment relies on
monthly turbidity or AOD climatologies while at least hourly resolved
irradiance time series are needed by the solar sector. Therefore, the
contribution of higher temporally modelled AOD is evaluated. |
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