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Climate change impact on sustainability of wave energy resources in NE Asia and Japan

Research Project

Project/Area Number 20K04705
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 22040:Hydroengineering-related
Research InstitutionKyoto University

Principal Investigator

Kamranzad Bahareh  京都大学, 白眉センター, 特定助教 (00838930)

Project Period (FY) 2020-04-01 – 2023-03-31
Project Status Granted (Fiscal Year 2020)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2022: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000)
Fiscal Year 2021: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2020: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
KeywordsWave Energy / Climate Change / Northeast Asia / Wave energy / climate change / Japan
Outline of Research at the Start

Among the renewable energies and ocean resources, wave energy has been less investigated due to high Levelized Cost of Energy (LCOE) associated with uncertainties in energy production estimations. However, development in the extraction technology is fast and the efficiency and suitability of wave energy exploitation depend on the areas where the technology is deployed, and it affects the estimated LCOE. Recent achievements in wave energy studies show that considering factors such as short-term variations and long-term changes are important in locating suitable sites with higher efficiency.

Outline of Annual Research Achievements

55 years of wave modeling was performed in Northeast Asia and intra-annual variation and long-term change were assessed. The results showed that in general, the nearshore areas of the eastern Pacific side of Japan have the highest annual mean wave power and the wave energy hotspots vary, seasonally mainly from the east of Japan during the spring to Ryukyu Islands and Taiwan during the autumn. The results indicate that the intra-annual stability of wave energy resources is the lowest in the western coasts of Japan, whereas this area has contained the least change of wave energy during five decades.
Moreover, a new climate-dependent sustainability index was proposed taking into account the amount of mean wave power, intra-annual variability in monthly scale, and long-term changes in terms of rate of change. Based on the proposed sustainability index, the eastern Pacific side of Japan is the most suitable area to supply a stable energy resource from the ocean waves. However, the depth limitation for the installation of WECs should also be considered.
Considering the potential of detected areas based on the proposed sustainability index and their depth limitations, they are the priority for further assessment of wave energy potential in local scale using higher resolution dataset as well as depth limitations and the environmental conditions.

Current Status of Research Progress
Current Status of Research Progress

2: Research has progressed on the whole more than it was originally planned.

Reason

The progress has been according to the research plan.

Strategy for Future Research Activity

The detected areas as the potential places for wave energy extraction based on the proposed sustainability index and their depth limitations, are the priority for further assessment of wave energy potential in local scale. For this purpose, high resolution wave dataset are required. Hence, wave downscaling will be done in the potential areas in order to evaluate the exploitable wave energy and suggest suitable technologies for wave energy extraction in line with sustainable development.

Report

(1 results)
  • 2020 Research-status Report

Research Products

(16 results)

All 2021 2020

All Journal Article (8 results) (of which Int'l Joint Research: 8 results,  Peer Reviewed: 8 results,  Open Access: 4 results) Presentation (8 results) (of which Int'l Joint Research: 5 results,  Invited: 3 results)

  • [Journal Article] Combining methodologies on the impact of inter and intra-annual variation of wave energy on selection of suitable location and technology2021

    • Author(s)
      Kamranzad B, Lin P, Iglesias G
    • Journal Title

      Renewable Energy

      Volume: -- Pages: 697-713

    • DOI

      10.1016/j.renene.2021.03.062

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Assessment of long-term offshore wind energy potential in the south and southeast coasts of China based on a 55-year dataset2021

    • Author(s)
      Wen Y, Kamranzad B, Lin P
    • Journal Title

      Energy

      Volume: -- Pages: 120225-120225

    • DOI

      10.1016/j.energy.2021.120225

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Assessment of wave power stability and classification with two global datasets2020

    • Author(s)
      Lavidas G, Kamranzad B
    • Journal Title

      International Journal of Sustainable Energy

      Volume: -- Pages: 1821027-1821027

    • DOI

      10.1080/14786451.2020.1821027

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Sustainability of wave energy resources in the South China Sea based on five decades of changing climate2020

    • Author(s)
      Kamranzad B, Lin P
    • Journal Title

      Energy

      Volume: -- Pages: 118604-118604

    • DOI

      10.1016/j.energy.2020.118604

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] A climate-dependent sustainability index for wave energy resources in Northeast Asia2020

    • Author(s)
      Kamranzad B, Takara K
    • Journal Title

      Energy

      Volume: -- Pages: 118466-118466

    • DOI

      10.1016/j.energy.2020.118466

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] A multi-criteria approach for selection of wave energy converter/location2020

    • Author(s)
      Kamranzad B, Hadadpour S
    • Journal Title

      Energy

      Volume: -- Pages: 117924-117924

    • DOI

      10.1016/j.energy.2020.117924

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Change of nearshore extreme wind and wave climate in Southeast Africa2020

    • Author(s)
      Kamranzad B, Lavidas, G
    • Journal Title

      Italian Journal of Engineering Geology and Environment

      Volume: 1 Pages: 59-63

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Spatio-temporal assessment of climate change impact on wave energy resources using various time dependent criteria2020

    • Author(s)
      Kamranzad B, Lavidas G, Takara K
    • Journal Title

      Energies

      Volume: 13 Pages: 768-768

    • DOI

      10.3390/en13030768

    • NAID

      120006823933

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Combining methodologies on the impact of inter and intra-annual variation of wave energy on selection of the suitable location/WEC2021

    • Author(s)
      Kamranzad B
    • Organizer
      Swansea University
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] Change of wave energy resources in Japan in 5 decades2020

    • Author(s)
      Kamranzad B, Takara K
    • Organizer
      RENEW 2020 4th International Conference on Renewable Energies Offshore. Lisbon, Portugal
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Inter and intra-annual variation of wave energy in Southeast Asia2020

    • Author(s)
      Kamranzad B, Lin P, Wen Y
    • Organizer
      22nd IAHR-APD Congress. Sapporo, Japan
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Sustainability of wave energy potential in Japan2020

    • Author(s)
      Kamranzad B
    • Organizer
      JpGU-AGU 2020. Chiba, Japan
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Spatio-temporal assessment of long-term historical wave simulation using MIROC6 wind dataset; A global scale study2020

    • Author(s)
      Kamranzad B, Tatebe H, Takara K
    • Organizer
      Ocean Sciences Meeting 2020, San Diego, California
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Multi-Decadal Variability in Global Wind and Wave Climate: An Analysis Based on MIROC6 dataset2020

    • Author(s)
      Kamranzad B, Tatebe H, Takara K
    • Organizer
      22nd IAHR-APD Congress. Sapporo, Japan
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Coastal Areas: Challenges and Opportunities for Sustainable Development2020

    • Author(s)
      Kamranzad B
    • Organizer
      Kyoto University European Center in Heidelberg and the Heidelberg University Office, Kyoto
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] Climate Change and Ocean Wave Energy2020

    • Author(s)
      Kamranzad B
    • Organizer
      International mobility program: Cultural Identities Shaping Environmental Regulation in Japan
    • Related Report
      2020 Research-status Report
    • Invited

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Published: 2020-04-28   Modified: 2021-12-27  

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