Articles | Volume 17, issue 10
https://doi.org/10.5194/nhess-17-1763-2017
https://doi.org/10.5194/nhess-17-1763-2017
Research article
 | 
19 Oct 2017
Research article |  | 19 Oct 2017

Variations in return value estimate of ocean surface waves – a study based on measured buoy data and ERA-Interim reanalysis data

T. Muhammed Naseef and V. Sanil Kumar

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Latest update: 27 May 2024
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Short summary
Assessment of design waves is performed using generalized extreme value (GEV) and generalized Pareto distribution (GPD) based on buoy data for 8 years and ERA-Interim reanalysis data for 38 years. The initial distribution method underestimates return levels compared to GPD. Intercomparison of return levels by block maxima and r-largest method for GEV theory shows that return level for 100 years is 7.24 m by r-largest series. A single storm can cause a large difference in the 100-year Hs value.
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