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Evaluation of spatio-temporal variability of ocean wave power resource around Sri Lanka

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

Energy, Volume: 200, Start page: 117503

Swansea University Author: Harshinie Karunarathna Orcid Logo

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DOI (Published version): 10.1016/j.energy.2020.117503

Abstract

The paper presents a detailed analysis of the spatio-temporal variability of wave power resource around Sri Lanka, using computationally simulated 25 years of wave data that represents the prevailing ocean climate in the region. The computational wave model was validated against a measured wave data...

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Published in: Energy
ISSN: 0360-5442
Published: Elsevier BV 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa53887
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first_indexed 2020-03-30T20:17:47Z
last_indexed 2020-07-06T19:16:37Z
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spelling 2020-07-06T16:46:17.3415324 v2 53887 2020-03-30 Evaluation of spatio-temporal variability of ocean wave power resource around Sri Lanka 0d3d327a240d49b53c78e02b7c00e625 0000-0002-9087-3811 Harshinie Karunarathna Harshinie Karunarathna true false 2020-03-30 CIVL The paper presents a detailed analysis of the spatio-temporal variability of wave power resource around Sri Lanka, using computationally simulated 25 years of wave data that represents the prevailing ocean climate in the region. The computational wave model was validated against a measured wave dataset collected over a 44-month period at 70 m water depth off the coast of the south-west of Sri Lanka and compared with ERA-Interim Reanalysis wave data and, good agreement found. The analysis reveals that the ocean around Sri Lanka from the south-west to south-east have a substantial wave power resource. The available offshore wave power resource remains between 10 and 20 kW/s throughout the year although it is significantly modulated by the south-west monsoon which falls between May and September thus increasing the power up to around 30 kW/m. The inter-annual to decadal scale variability of wave power resource remains small. Wave power reduces when waves travel from the margin of the narrow continental shelf around Sri Lanka to shallow water areas closer to the shoreline. A significant longshore variability of wave power is also observed where the south-west coast of Sri Lanka has the highest available power under the prevailing ocean climate. Journal Article Energy 200 117503 Elsevier BV 0360-5442 Wave power, Wave simulations, Sri Lanka, Indian ocean, South-west tropical monsoon 1 6 2020 2020-06-01 10.1016/j.energy.2020.117503 COLLEGE NANME Civil Engineering COLLEGE CODE CIVL Swansea University 2020-07-06T16:46:17.3415324 2020-03-30T15:25:35.9339166 Harshinie Karunarathna 0000-0002-9087-3811 1 Pravin Maduwantha 2 Bahareh Kamranzad 3 Harsha Rathnasooriya 4 Kasun de Silva 5 53887__16980__67cad8d2720947a082fca38c265d0750.pdf 53887.pdf 2020-03-31T08:48:16.5808065 Output 3743029 application/pdf Accepted Manuscript true 2021-04-08T00:00:00.0000000 Released under the terms of a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND). true eng
title Evaluation of spatio-temporal variability of ocean wave power resource around Sri Lanka
spellingShingle Evaluation of spatio-temporal variability of ocean wave power resource around Sri Lanka
Harshinie Karunarathna
title_short Evaluation of spatio-temporal variability of ocean wave power resource around Sri Lanka
title_full Evaluation of spatio-temporal variability of ocean wave power resource around Sri Lanka
title_fullStr Evaluation of spatio-temporal variability of ocean wave power resource around Sri Lanka
title_full_unstemmed Evaluation of spatio-temporal variability of ocean wave power resource around Sri Lanka
title_sort Evaluation of spatio-temporal variability of ocean wave power resource around Sri Lanka
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 Energy
container_volume 200
container_start_page 117503
publishDate 2020
institution Swansea University
issn 0360-5442
doi_str_mv 10.1016/j.energy.2020.117503
publisher Elsevier BV
document_store_str 1
active_str 0
description The paper presents a detailed analysis of the spatio-temporal variability of wave power resource around Sri Lanka, using computationally simulated 25 years of wave data that represents the prevailing ocean climate in the region. The computational wave model was validated against a measured wave dataset collected over a 44-month period at 70 m water depth off the coast of the south-west of Sri Lanka and compared with ERA-Interim Reanalysis wave data and, good agreement found. The analysis reveals that the ocean around Sri Lanka from the south-west to south-east have a substantial wave power resource. The available offshore wave power resource remains between 10 and 20 kW/s throughout the year although it is significantly modulated by the south-west monsoon which falls between May and September thus increasing the power up to around 30 kW/m. The inter-annual to decadal scale variability of wave power resource remains small. Wave power reduces when waves travel from the margin of the narrow continental shelf around Sri Lanka to shallow water areas closer to the shoreline. A significant longshore variability of wave power is also observed where the south-west coast of Sri Lanka has the highest available power under the prevailing ocean climate.
published_date 2020-06-01T04:07:06Z
_version_ 1763753513670672384
score 11.016235

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