Articles | Volume 34, issue 12
https://doi.org/10.5194/angeo-34-1197-2016
https://doi.org/10.5194/angeo-34-1197-2016
Regular paper
 | 
16 Dec 2016
Regular paper |  | 16 Dec 2016

Spatial and temporal variations of wave energy in the nearshore waters of the central west coast of India

M. M. Amrutha and V. Sanil Kumar

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This study examines variation in wave power off the central west coast of India at water depths 30, 9 and 5 m based on buoy measured data. The study shows a significant reduction (~ 10–27 %) in wave power at 9 m depth compared to 30 m and the power at 5 m depth is 20–23 % less than that at 9 m. At 9 m water depth, the mean annual wave power is 6 kW m−1 and interannual variations up to 19.3 % are observed during 2009–2014; 75 % of the total annual wave energy is from this narrow directional sector.