研究目的
To comparatively validate clear sky solar surface radiation (SSR) estimates over Finland using four clear sky models with varying atmospheric inputs against in situ irradiance observations.
研究成果
McClear, Pvlib Ineichen, and Pvlib Solis with default values perform best in southern Finland. The use of reanalysis inputs increases errors, suggesting climatological values may not be representative. Further study into the representativeness of these values could improve model accuracy.
研究不足
The representativeness of climatological values for AOD and water vapour may not accurately reflect specific sites and times, potentially affecting model performance. The study is limited to southern Finland and a specific time period.
1：Experimental Design and Method Selection:
The study compares clear sky SSR estimates from four models (McClear, Pvlib Ineichen, Pvlib Solis, SPECMAGIC) with in situ observations.
2：Sample Selection and Data Sources:
In situ SSR measurements from five FMI SOLAR stations in southern Finland for May to August
3：List of Experimental Equipment and Materials:
20 Ventilated Kipp & Zonen CM11 pyranometers, MACC and ERA-Interim reanalysis datasets.
4：Experimental Procedures and Operational Workflow:
Comparison of model outputs with observations at 15-minute intervals, limited to clear sky situations.
5：Data Analysis Methods:
Calculation of Mean Bias Error (MBE) and Mean Absolute Error (MAE) for model validation.
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