validation of the mcclear clear-sky model in desert conditions with three stations in israel
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2016
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Abstract
The new McClear clear-sky model, a fast model based on a radiative transfer
solver, exploits the atmospheric properties provided by the EU-funded
Copernicus Atmosphere Monitoring Service (CAMS) to estimate the solar direct
and global irradiances received at ground level in cloud-free conditions at
any place any time. The work presented here focuses on desert conditions and
compares the McClear irradiances to coincident 1 min measurements made in
clear-sky conditions at three stations in Israel which are distant from less
than 100 km. The bias for global irradiance is comprised between 2 and 32 W m−2, i.e. between 0 and
4 % of the mean observed irradiance
(approximately 830 W m−2). The RMSE ranges from 30 to 41 W m−2 (4 %) and the squared correlation coefficient is greater
than 0.976. The bias for the direct irradiance at normal incidence (DNI) is
comprised between −68 and +13 W m−2, i.e. between −8 and
2 % of the mean observed DNI (approximately 840 W m−2). The RMSE
ranges from 53 (7 %) to 83 W m−2 (10 %). The squared correlation
coefficient is close to 0.6. The performances are similar for the three
sites for the global irradiance and for the DNI to a lesser extent,
demonstrating the robustness of the McClear model combined with CAMS
products. These results are discussed in the light of those obtained by
McClear for other desert areas in Egypt and United Arab Emirates.
| Reference Key |
lefvre2016advancesvalidation
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|---|---|
| Authors | ;M. Lefèvre;L. Wald |
| Journal | proceedings of the 2017 ieee russia section young researchers in electrical and electronic engineering conference, elconrus 2017 |
| Year | 2016 |
| DOI |
10.5194/asr-13-21-2016
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| URL | |
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