Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.solener.2020.04.016
Title: Worldwide validation of 8 satellite-derived and reanalysis solar radiation products: A preliminary evaluation and overall metrics for hourly data over 27 years
Authors: Yang, D
Bright, JM 
Issue Date: 1-Jan-2020
Publisher: Elsevier BV
Citation: Yang, D, Bright, JM (2020-01-01). Worldwide validation of 8 satellite-derived and reanalysis solar radiation products: A preliminary evaluation and overall metrics for hourly data over 27 years. Solar Energy. ScholarBank@NUS Repository. https://doi.org/10.1016/j.solener.2020.04.016
Abstract: © 2020 International Solar Energy Society Gridded solar radiation products, namely satellite-derived irradiance and reanalysis irradiance, are key to the next-generation solar resource assessment and forecasting. Since their accuracies are generally lower than that of the ground-based measurements, providing validation of the gridded solar radiation products is necessary in order to understand their qualities and characteristics. This article delivers a worldwide validation of hourly global horizontal irradiance derived from satellite imagery and reanalysis. The accuracies of 6 latest satellite-derived irradiance products (CAMS-RAD, NSRDB, SARAH-2, SARAH-E, CERES-SYN1deg, and Solcast) and 2 latest global reanalysis irradiance products (ERA5 and MERRA-2) are verified against the complete records from 57 BSRN stations, over 27 years (1992–2018). This scope of validation is unprecedented in the field of solar energy. Moreover, the importance of using distribution-oriented verification approaches is emphasized. Such approaches go beyond the traditional measure-oriented verification approach, and thus can offer additional insights and flexibility to the verification problem.
Source Title: Solar Energy
URI: https://scholarbank.nus.edu.sg/handle/10635/172411
ISSN: 0038092X
DOI: 10.1016/j.solener.2020.04.016
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