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Impacts of Global Climate Change on the Future Ocean Wave Power Potential: A Case Study from the Indian Ocean

Harshinie Karunarathna Orcid Logo, Pravin Maduwantha, Bahareh Kamranzad, Harsha Rathnasooriya, Kasun De Silva

Energies, Volume: 13, Issue: 11, Start page: 3028

Swansea University Author: Harshinie Karunarathna Orcid Logo

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DOI (Published version): 10.3390/en13113028

Abstract

This study investigates the impacts of global climate change on the future wave power potential, taking Sri Lanka as a case study from the northern Indian Ocean. The geographical location of Sri Lanka, which receives long-distance swell waves generated in the Southern Indian Ocean, favors wave energ...

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Published in: Energies
ISSN: 1996-1073 1996-1073
Published: MDPI AG 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa54463
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spelling 2020-10-16T14:34:34.0915808 v2 54463 2020-06-12 Impacts of Global Climate Change on the Future Ocean Wave Power Potential: A Case Study from the Indian Ocean 0d3d327a240d49b53c78e02b7c00e625 0000-0002-9087-3811 Harshinie Karunarathna Harshinie Karunarathna true false 2020-06-12 CIVL This study investigates the impacts of global climate change on the future wave power potential, taking Sri Lanka as a case study from the northern Indian Ocean. The geographical location of Sri Lanka, which receives long-distance swell waves generated in the Southern Indian Ocean, favors wave energy-harvesting. Waves projected by a numerical wave model developed using Simulating Waves Nearshore Waves (SWAN) wave model, which is forced by atmospheric forcings generated by an Atmospheric Global Climate Model (AGCM) within two time slices that represent “present” and “future” (end of century) wave climates, are used to evaluate and compare present and future wave power potential around Sri Lanka. The results reveal that there will be a 12–20% reduction in average available wave power along the south-west and south-east coasts of Sri Lanka in future. This reduction is due mainly to changes to the tropical south-west monsoon system because of global climate change. The available wave power resource attributed to swell wave component remains largely unchanged. Although a detailed analysis of monthly and annual average wave power under both “present” and “future” climates reveals a strong seasonal and some degree of inter-annual variability of wave power, a notable decadal-scale trend of variability is not visible during the simulated 25-year periods. Finally, the results reveal that the wave power attributed to swell waves are very stable over the long term. Journal Article Energies 13 11 3028 MDPI AG 1996-1073 1996-1073 climate change; ocean wave power; wave projections; Sri Lanka; Indian Ocean 11 6 2020 2020-06-11 10.3390/en13113028 COLLEGE NANME Civil Engineering COLLEGE CODE CIVL Swansea University 2020-10-16T14:34:34.0915808 2020-06-12T10:45:54.5324241 Professional Services ISS - Uncategorised Harshinie Karunarathna 0000-0002-9087-3811 1 Pravin Maduwantha 2 Bahareh Kamranzad 3 Harsha Rathnasooriya 4 Kasun De Silva 5 54463__17483__e8194eecbc9d4695bdd9e6ab9494805a.pdf 54463.pdf 2020-06-12T10:49:29.0162477 Output 4354375 application/pdf Version of Record true This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited true
title Impacts of Global Climate Change on the Future Ocean Wave Power Potential: A Case Study from the Indian Ocean
spellingShingle Impacts of Global Climate Change on the Future Ocean Wave Power Potential: A Case Study from the Indian Ocean
Harshinie Karunarathna
title_short Impacts of Global Climate Change on the Future Ocean Wave Power Potential: A Case Study from the Indian Ocean
title_full Impacts of Global Climate Change on the Future Ocean Wave Power Potential: A Case Study from the Indian Ocean
title_fullStr Impacts of Global Climate Change on the Future Ocean Wave Power Potential: A Case Study from the Indian Ocean
title_full_unstemmed Impacts of Global Climate Change on the Future Ocean Wave Power Potential: A Case Study from the Indian Ocean
title_sort Impacts of Global Climate Change on the Future Ocean Wave Power Potential: A Case Study from the Indian Ocean
author_id_str_mv 0d3d327a240d49b53c78e02b7c00e625
author_id_fullname_str_mv 0d3d327a240d49b53c78e02b7c00e625_***_Harshinie Karunarathna
author Harshinie Karunarathna
author2 Harshinie Karunarathna
Pravin Maduwantha
Bahareh Kamranzad
Harsha Rathnasooriya
Kasun De Silva
format Journal article
container_title Energies
container_volume 13
container_issue 11
container_start_page 3028
publishDate 2020
institution Swansea University
issn 1996-1073
1996-1073
doi_str_mv 10.3390/en13113028
publisher MDPI AG
college_str Professional Services
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hierarchy_top_id professionalservices
hierarchy_top_title Professional Services
hierarchy_parent_id professionalservices
hierarchy_parent_title Professional Services
department_str ISS - Uncategorised{{{_:::_}}}Professional Services{{{_:::_}}}ISS - Uncategorised
document_store_str 1
active_str 0
description This study investigates the impacts of global climate change on the future wave power potential, taking Sri Lanka as a case study from the northern Indian Ocean. The geographical location of Sri Lanka, which receives long-distance swell waves generated in the Southern Indian Ocean, favors wave energy-harvesting. Waves projected by a numerical wave model developed using Simulating Waves Nearshore Waves (SWAN) wave model, which is forced by atmospheric forcings generated by an Atmospheric Global Climate Model (AGCM) within two time slices that represent “present” and “future” (end of century) wave climates, are used to evaluate and compare present and future wave power potential around Sri Lanka. The results reveal that there will be a 12–20% reduction in average available wave power along the south-west and south-east coasts of Sri Lanka in future. This reduction is due mainly to changes to the tropical south-west monsoon system because of global climate change. The available wave power resource attributed to swell wave component remains largely unchanged. Although a detailed analysis of monthly and annual average wave power under both “present” and “future” climates reveals a strong seasonal and some degree of inter-annual variability of wave power, a notable decadal-scale trend of variability is not visible during the simulated 25-year periods. Finally, the results reveal that the wave power attributed to swell waves are very stable over the long term.
published_date 2020-06-11T04:08:00Z
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