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Evaluation of SAR wind retrieval algorithms in offshore areas of the Korean Peninsula

Author

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  • Kim, Hyun-Goo
  • Hwang, Hyo-Jung
  • Lee, Soon-Hwan
  • Lee, Hwa-Woon

Abstract

The method of extracting offshore wind field from SAR satellite images for offshore wind resource assessment shows some discrepancies in the calculated wind speed depending on which of the CMOD algorithms is used. This paper compared different algorithms, such as CMOD_IFR2, CMOD4, CMOD5, in order to find the suitable CMOD algorithm for the southern offshore area of the Korean Peninsula, which belongs to the zone influenced by the archipelago, by calculating the relative errors with reference to the Korea wind map of representative weather days by season. The result is that CMOD-IFR2 shows a tendency towards excessive estimation of wind speed, while CMOD4 shows the lowest RMSE values of wind speed differences with respect to the Korea wind map. Based on this result, we have concluded that, for the southern offshore area of the Korean Peninsula which belongs to the medium-range wind speed zone, CMOD4 is the suitable algorithm.

Suggested Citation

  • Kim, Hyun-Goo & Hwang, Hyo-Jung & Lee, Soon-Hwan & Lee, Hwa-Woon, 2014. "Evaluation of SAR wind retrieval algorithms in offshore areas of the Korean Peninsula," Renewable Energy, Elsevier, vol. 65(C), pages 161-168.
    • Handle: RePEc:eee:renene:v:65:y:2014:i:c:p:161-168
    DOI: 10.1016/j.renene.2013.08.013
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    Cited by:

    1. Carvalho, D. & Rocha, A. & Gómez-Gesteira, M. & Silva Santos, C., 2017. "Offshore winds and wind energy production estimates derived from ASCAT, OSCAT, numerical weather prediction models and buoys – A comparative study for the Iberian Peninsula Atlantic coast," Renewable Energy, Elsevier, vol. 102(PB), pages 433-444.
    2. Arun Kumar, Surisetty V.V. & Nagababu, Garlapati & Kumar, Raj, 2019. "Comparative study of offshore winds and wind energy production derived from multiple scatterometers and met buoys," Energy, Elsevier, vol. 185(C), pages 599-611.
    3. Jin-Young Kim & Hyun-Goo Kim & Yong-Heack Kang, 2017. "Offshore Wind Speed Forecasting: The Correlation between Satellite-Observed Monthly Sea Surface Temperature and Wind Speed over the Seas around the Korean Peninsula," Energies, MDPI, vol. 10(7), pages 1-15, July.

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