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This paper presents the installation and resulting dataset in the offshore area of the Binh Thuan province, which has the highest wind energy potential in Vietnamese waters. Two land-based HF radars were installed from November 2022 to November 2023 to measure the surface parameters of waves and currents. The 16 MHz HF radar system provided a measured coverage of up to 30 km x 50 km offshore. A dataset with spatial resolutions of 1.5 km every 30 minutes was achieved. In addition, the comparison of parameters measured by the HF radar system and AWAC was presented. The sea was rough in the winter due to the strong NE monsoon. The average wind speed was almost over 10 m/s of the measurement time. The maximum wave height was over 4 m in January and February 2023. The surface current speed in offshore areas was over 100 cm/s and decreased to the shore. The sea is calm in the summer due to the weak SW mon-soon. The average wind speed was about 7 m/s. The average significant wave height was about 1 m. The mean surface current speed was about 30 cm/s, and its maximum value was smaller than 80 cm/s. An extensive coverage measurement like this is needed for offshore exploitation or surveying the potential for renewable energy.

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Advanced High-Resolution Measurements of Surface Waves and Currents Using Two Land-Based HF Radars for Offshore Operations

  • 会议论文

  • 发表日期：

    2025年

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  • Nguyen Kim Cuong,
  • Tran Ngoc Anh,
  • Nguyen Xuan Loc,
  • Pham Duy Huy Binh,
  • Vu Hai Dang

摘要

This paper presents the installation and resulting dataset in the offshore area of the Binh Thuan province, which has the highest wind energy potential in Vietnamese waters. Two land-based HF radars were installed from November 2022 to November 2023 to measure the surface parameters of waves and currents. The 16 MHz HF radar system provided a measured coverage of up to 30 km x 50 km offshore. A dataset with spatial resolutions of 1.5 km every 30 minutes was achieved. In addition, the comparison of parameters measured by the HF radar system and AWAC was presented. The sea was rough in the winter due to the strong NE monsoon. The average wind speed was almost over 10 m/s of the measurement time. The maximum wave height was over 4 m in January and February 2023. The surface current speed in offshore areas was over 100 cm/s and decreased to the shore. The sea is calm in the summer due to the weak SW mon-soon. The average wind speed was about 7 m/s. The average significant wave height was about 1 m. The mean surface current speed was about 30 cm/s, and its maximum value was smaller than 80 cm/s. An extensive coverage measurement like this is needed for offshore exploitation or surveying the potential for renewable energy.