Comparison of the SIMAR-WANA, ERA-5, and Waverys Databases for Maritime Climate Estimations and the Implications of Coastal Protection Structures
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 150, Issue 1
Abstract
Estimating maritime climate accurately is essential to ensure the safety of marine structures. The most reliable data are in situ measurements, but due to the lack of this kind of data in both time and space, other datasets, from reanalyses and wave models, have to be used. In this study, data from the three main databases of the Spanish Mediterranean Sea used for the design of maritime structures (ERA5, Waverys and SIMAR-WANA) were compared with buoy data from Valencia, Alicante, and Cabo de Palos. A statistical analysis, using Python, MATLAB, and the Ameva tool, was performed on both the entire historic record (20,362,032 data) and the most extreme data distribution (95th percentile). Then, further analysis was performed to assess the consequences of using these datasets in the design of coastal protection and their reliability. Waverys performed slightly better than the in situ measurements and SIMAR-WANA underestimated the extreme values of significant wave height the least. Regarding the consequences on the design of coastal protection structures, the estimation of extreme events proved to be of particular interest, with the databases typically underestimating the values of extreme events, which was determined to have the potential to lead to errors in the design of coastal protection structures by up to 60%.
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Data Availability Statement
The buoy and SIMAR-WANA datasets related to this article can be found at Prediccion de oleaje, nivel del mar; Boyas y mareografos | puertos.es, an open-source online data repository hosted at Puertos del Estado. The Waverys dataset related to this article can be found at Access to data | Copernicus, an open-source online data repository hosted by the Copernicus Programme of the European Union. The ERA5 dataset related to this article can be found at ERA5 | ECMWF, an open-source online data repository hosted by the European Centre for Medium-Range Weather Forecasts (ECMWF).
Acknowledgments
Nerea Portillo Juan received research support from the Spanish Government and was the beneficiary of an FPU scholarship. The authors wish to thank the entire Ingeniería Creativa Pita S. L. (INCREA) team for their help, and particularly Eloy Pita Olalla and Mario Sánchez-Barriga Marín.
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Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 150 • Issue 1 • January 2024
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© 2023 American Society of Civil Engineers.
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Received: Mar 29, 2023
Accepted: Sep 26, 2023
Published online: Oct 31, 2023
Published in print: Jan 1, 2024
Discussion open until: Mar 31, 2024
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