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21 results on '"Karambas, Theofanis"'

5. Coral reef structural complexity loss exposes coastlines to waves

Author

Carlot, Jérémy, primary, Vousdoukas, Michalis, additional, Rovere, Alessio, additional, Karambas, Theofanis, additional, Lenihan, Hunter S., additional, Kayal, Mohsen, additional, Adjeroud, Mehdi, additional, Pérez-Rosales, Gonzalo, additional, Hedouin, Laetitia, additional, and Parravicini, Valeriano, additional

Published
2022
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7. Coral reef structural complexity loss exposes coastlines to waves

Author

Carlot, Jérémy, Vousdoukas, Michalis, Rovere, Alessio, Karambas, Theofanis, Lenihan, Hunter S., Kayal, Mohsen, Adjeroud, Mehdi, Pérez-rosales, Gonzalo, Hedouin, Laetitia, Parravicini, Valeriano, Carlot, Jérémy, Vousdoukas, Michalis, Rovere, Alessio, Karambas, Theofanis, Lenihan, Hunter S., Kayal, Mohsen, Adjeroud, Mehdi, Pérez-rosales, Gonzalo, Hedouin, Laetitia, and Parravicini, Valeriano

Abstract

Coral reefs offer natural coastal protection by attenuating incoming waves. Here we combine unique coral disturbance-recovery observations with hydrodynamic models to quantify how structural complexity dissipates incoming wave energy. We find that if the structural complexity of healthy coral reefs conditions is halved, extreme wave run-up heights that occur once in a 100-years will become 50 times more frequent, threatening reef-backed coastal communities with increased waves, erosion, and flooding.

Published
2022
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13. An improvement to stokes nonlinear theory for steady waves

Author

Karambas, Theofanis V. and Koutitas, Christopher G.

Subjects
Nonlinear theories -- Evaluation, Water waves -- Research, Perturbation (Mathematics) -- Usage, Engineering and manufacturing industries, Science and technology
Published
1998

17. Modelling of climate change impacts on coastal flooding/erosion, ports and coastal defence structures.

Author

Karambas, Theofanis V.

Subjects
CLIMATE change research, FLOODS, NONLINEAR wave equations, BOUSSINESQ equations, COASTAL engineering
Abstract

In the present work, a numerical model for the redesign of the existing and future ports and coastal defence structures is presented. The model is mainly based on the higher order Boussinesq equations and describes nonlinear wave transformation in the surf and swash zone, wave structure interaction, breaking wave induced currents and morphological changes. The existing model is adapted to describe climate change impacts on coastal flooding/erosion, ports and coastal defence structures. Model applications result to the estimation of: wave overtopping over the breakwaters crests, wave entering the harbour basin through diffraction, coastal erosion and storm surge/wave flooding. The model provides coastal engineers with a useful tool for the redesign of the existing coastal structures. [ABSTRACT FROM PUBLISHER]

Published
2015
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20. Numerical Modelling of Wave Reflection from Port Structures for Reliable Forecasting of Berth Downtime

Author

Chondros, Michalis, primary, Malliouri, Dimitra, additional, Metallinos, Anastasios, additional, Papadimitriou, Andreas, additional, Karambas, Theofanis, additional, Makris, Christos, additional, Baltikas, Vasilis, additional, Kontos, Yiannis, additional, Nagkoulis, Nikolas, additional, Androulidakis, Yannis, additional, Klonaris, Georgios, additional, Tsoukala, Vasiliki, additional, and Memos, Constantine, additional

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