Wave energy pattern around the Madeira Islands

Rusu, Eugen; Soares, C. Guedes

doi:10.1016/j.energy.2012.07.013

Cited by 103 publications

(60 citation statements)

References 38 publications

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“…Generally, the methodology is based on offshore wave data used as boundary conditions for the numerical modeling of nearshore wave propagation that can be calibrated and validated using coastal buoy measurements [21][22][23][24]. Some authors [25][26][27][28][29][30][31] propagated the most significant three or five wave cases representing winter/autumn average condition, a summer/spring average condition and a particularly energetic situation. Other authors [20,22,23,[32][33][34][35][36][37] propagated the whole events in the time series of the offshore numerical model or the offshore wave buoy measurements and estimated the available nearshore wave power.…”

Section: Assessment Of the Nearshore Potentialmentioning

confidence: 99%

“…The performances of the Oyster and Wave Star were evaluated in the four nearshore hotspots and compared with the nearshore location at Madeira Island [29].…”

Section: Performance Assessment Of Wave Energy Convertersmentioning

confidence: 99%

“…Traditionally, the assessment of the wave energy has been carried out for offshore deep water wave data [1,[4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19], while, more recently, coastal areas have been investigated in order to locate hotspots [20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37]. At the oceanic global scale, the richest wave power areas are between 40 • and 60 • latitude of both hemispheres [10].…”

Section: Assessment Of the Offshore Potentialmentioning

confidence: 99%

“…These locations are: São Jorge in Azores Island [59], Madeira Island [29], Nazarè-Peniche and Sines-Aljezur in Portugal [42], Belmullet in Ireland [60], Ile d'Yeu in France [61], and Cornish Coast in United Kingdom [62].…”

Section: Performance Assessment Of Wave Energy Convertersmentioning

confidence: 99%

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Wave Energy Assessment and Performance Estimation of State of the Art Wave Energy Converters in Italian Hotspots

Vannucchi

Cappietti

2016

Sustainability

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This paper presents an assessment of offshore wave energy potential at the scale of the whole Mediterranean Sea. The offshore wave data were propagated, by means of numerical modeling, toward four Italian coastal areas, namely stretches of coast of Tuscany, Liguria, Sardinia and Sicily. For each area, the wave power and the monthly, seasonal and annual variability at water depths of 50 m and 15 m were analyzed and hotspots were located. The results show strong variability of the wave energy potential from point to point of the same area thus highlighting the need for spatially detailed analysis. The higher values of wave energy potential are located in the hotspots of Sardinia and Sicily, at 11.4 kW/m and 9.1 kW/m, respectively. The Tuscany and the Liguria hotspots are characterized, respectively, by 4.7 kW/m and 2.0 kW/m. In order to point out which state of the art WEC is best suited for the Italian areas, the performances of six different state of the art Wave Energy Converters (WECs) were evaluated. Finally, a comparison of the performances of each WEC in the selected Italian sites and in some European (EU) oceanic sites was conducted. The energy potential in the most energetic EU oceanic site, among those here investigated, is up to 38-times greater than the potentials in the studied Italian areas but the power output, of the best WEC technology, is no more than nine times greater.

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Section: Assessment Of the Nearshore Potentialmentioning

confidence: 99%

“…The performances of the Oyster and Wave Star were evaluated in the four nearshore hotspots and compared with the nearshore location at Madeira Island [29].…”

Section: Performance Assessment Of Wave Energy Convertersmentioning

confidence: 99%

Section: Assessment Of the Offshore Potentialmentioning

confidence: 99%

Section: Performance Assessment Of Wave Energy Convertersmentioning

confidence: 99%

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Wave Energy Assessment and Performance Estimation of State of the Art Wave Energy Converters in Italian Hotspots

Vannucchi

Cappietti

2016

Sustainability

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“…The same wave prediction system was focused also on the Portuguese archipelagoes, Madeira and Azores, and some significant patterns for the wave energy in these areas are presented in [9][10][11]. Moreover, after its calibration the above wave prediction system based on the spectral phase averaged wave models WAM and SWAN is currently used for operational forecast and focused on the Portuguese continental nearshore, as described in [12].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Various Technologies for Wave Energy Conversion in the Portuguese Nearshore

2013

Self Cite

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Abstract:The objective of the present work is to perform an evaluation of the performance provided by various technologies for wave energy conversion in the Portuguese continental coastal environment. The wave climate in the target area is first analyzed using the results from three years of simulations with a wave prediction system based on numerical models. Based on the above data, diagrams for the bivariate distributions of the sea states occurrences, defined by the significant wave height and the energy period, are designed for both winters and whole years. On this basis, the output of five different technologies for the conversion of wave energy is assessed in some relevant locations from the Portuguese nearshore. According to the results obtained, the Portuguese continental coastal environment appears to be appropriate for the wave energy extraction. At the same time, the present work shows that the output of the wave energy conversion devices does not depend only on the average wave energy but is also dependent on the distribution of the wave energy among the sea states of different periods. For this reason, a good agreement between the characteristics of the power matrices of the wave energy converters operating in a certain place and the diagrams for the bivariate distributions of the sea states occurrences corresponding to the considered location represents a key issue in selecting the most appropriate technology for wave energy conversion.

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Wave climatology in the Apostle Islands, Lake Superior

Anderson

Schwab

2015

J. Geophys. Res. Oceans

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The wave climate of the Apostle Islands in Lake Superior for 35 year was hindcast and examined using a third-generation spectral wave model. Wave measurements within the Apostle Islands and offshore NOAA buoys were used to validate the model. Statistics of the significant wave height, peak wave period, and mean wave direction were computed to reveal the spatial variability of wave properties within the archipelago for average and extreme events. Extreme value analysis was performed to estimate the significant wave height at the 1, 10, and 100 year return periods. Significant wave heights in the interior areas of the islands vary spatially but are approximately half those immediately offshore of the islands. Due to reduced winter ice cover and a clockwise shift in wind direction over the hindcast period, long-term trend analysis indicates an increasing trend of significant wave heights statistics by as much as 2% per year, which is approximately an order of magnitude greater than similar analysis performed in the global ocean for areas unaffected by ice. Two scientific questions related to wave climate are addressed. First, the wave climate change due to the relative role of changing wind fields or ice covers over the past 35 years was revealed. Second, potential bluff erosion affected by the change of wave climate and the trend of lower water levels in the Apostle Islands, Lake Superior was examined.

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Wave energy pattern around the Madeira Islands

Cited by 103 publications

References 38 publications

Wave Energy Assessment and Performance Estimation of State of the Art Wave Energy Converters in Italian Hotspots

Wave Energy Assessment and Performance Estimation of State of the Art Wave Energy Converters in Italian Hotspots

Evaluation of Various Technologies for Wave Energy Conversion in the Portuguese Nearshore

Wave climatology in the Apostle Islands, Lake Superior

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