Evaluation of WRF parameterizations for global horizontal irradiation forecasts: A study for Turkey

Selahattin Incecik, Serim Sakarya, Seyda Tilev, Abdullah Kahraman*, Bülent Aksoy, Erhan Caliskan, Sema Topcu, Ceyhan Kahya, M. Talat Odman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

This study deals with the evaluation of the Weather Research and Forecast (WRF) model's parameterization schemes when used for global horizontal irradiation (GHI) forecasts, to assess the feasibility of solar energy utilization. The study area is the southeastern Anatolia (SEA) region of Turkey, with favorable weather conditions for solar energy generation. The results indicate that the values in the hourly output of GHI in the model were overestimated for all configurations at all stations compared to observations. The relative mean bias error values at five stations for all configurations vary between 10-21% for clear-sky and 17-30% for partly-cloudy conditions. Similarly, the relative RMSE values at the five stations vary between 20-39% for clear sky and 41-70% for partly-cloudy conditions. However, there are noticeable differences among the various configurations of the WRF parameterizations.

Original languageEnglish
Pages (from-to)143-158
Number of pages16
JournalAtmosfera
Volume32
Issue number2
DOIs
Publication statusPublished - 2019

Bibliographical note

Publisher Copyright:
© 2019 Universidad Nacional Autónoma de México, Centro de Ciencias de la Atmósfera.

Funding

This study is part of the Project 111Y234 supported by the Scientific and Technological Research Council, TUBITAK. The authors would like to thank TSMS for their kind support on providing the solar radiation data, and Carolina Cavazos Guerra for her help in Spanish version of the abstract; and finally, the editor and reviewers for their comments improving the paper.

FundersFunder number
Scientific and Technological Research Council
TUBITAK

    Keywords

    • Energy forecasting
    • Global horizontal irradiation
    • Parameterization schemes
    • Sensitivity
    • WRF

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