Alessandro Toffoli

Overview of the antarctic circumnavigation expedition: Study of preindustrial-like aerosols and their climate effects (ACE-SPACE)

J Schmale, A Baccarini, I Thurnherr, S Henning, A Efraim, L Regayre, C Bolas, M Hartmann, A Welti, K Lehtipalo, F Aemisegger, C Tatzelt, S Landwehr, RL Modini, F Tummon, JS Johnson, N Harris, M Schnaiter, A Toffoli, M Derkani, et al.

Journal article  |  2019  |  Bulletin of the American Meteorological Society

The first results from ACE-SPACE highlight that the Southern Ocean is a region with highly heterogeneous aerosol properties. The a..

Effects of an Explosive Polar Cyclone Crossing the Antarctic Marginal Ice Zone

Marcello Vichi, Clare Eayrs, Alberto Alberello, Anriette BEKKER, Luke Bennetts, David Holland, Ehlke de Jong, Warren Joubert, Keith MacHutchon, Gabriele Messori, Jhon F Mojica, Miguel Onorato, Clinton Saunders, Sebastian Skatulla, Alessandro Toffoli

Journal article  |  2019  |  Geophysical Research Letters

Antarctic sea ice shows a large degree of regional variability, which is partly driven by severe weather events. Here we bring a n..

Directional soliton and breather beams

Amin Chabchoub, Kento Mozumi, Norbert Hoffmann, Alexander V Babanin, Alessandro Toffoli, James N Steer, Ton S van den Bremer, Nail Akhmediev, Miguel Onorato, Takuji Waseda

Journal article  |  2019  |  Proceedings of the National Academy of Sciences

Brief communication: Pancake ice floe size distribution during the winter expansion of the Antarctic marginal ice zone

Alberto Alberello, Miguel Onorato, Luke Bennetts, Marcello Vichi, Clare Eayrs, Keith MacHutchon, Alessandro Toffoli

Journal article  |  2019  |  The Cryosphere

Observation of turbulence and intermittency in wave-induced oscillatory flows

Alberto Alberello, Miguel Onorato, Federico Frascoli, Alessandro Toffoli

Journal article  |  2019  |  Wave Motion

Wave turbulence and intermittency in directional wave fields

Elmira Fadaeiazar, Alberto Alberello, Miguel Onorato, Justin Leontini, Federico Frascoli, Takuji Waseda, Alessandro Toffoli

Journal article  |  2018  |  Wave Motion

Letter: Hydroelastic interactions between water waves and floating freshwater ice

A Dolatshah, F Nelli, LG Bennetts, A Alberello, MH Meylan, JP Monty, A Toffoli

Journal article  |  2018  |  Physics of Fluids

An experimental comparison of velocities underneath focussed breaking waves

Alberto Alberello, Amin Chabchoub, Jason P Monty, Filippo Nelli, Jung Hoon Lee, John Elsnab, Alessandro Toffoli

Journal article  |  2018  |  Ocean Engineering

Spontaneous emergence of rogue waves in partially coherent waves: A quantitative experimental comparison between hydrodynamics and optics

R El Koussaifi, A Tikan, A Toffoli, S Randoux, P Suret, M Onorato

Journal article  |  2018  |  Physical Review E

Numerical and experimental investigation of extreme events in JONSWAP seas

G Ducrozet, A Toffoli, A Chabchoub

Conference Proceedings  |  2018  |  Proceedings of the International Offshore and Polar Engineering Conference

Estimation of Kinetic Energy Dissipation from Breaking Waves in the Wave Crest Region

JH Lee, JP Monty, J Elsnab, A Toffoli, AV Babanin, A Alberello

Journal article  |  2017  |  Journal of Physical Oceanography

Wind Generated Rogue Waves in an Annular Wave Flume

A Toffoli, D Proment, H Salman, J Monbaliu, F Frascoli, M Dafilis, E Stramignoni, R Forza, M Manfrin, M Onorato

Journal article  |  2017  |  Physical Review Letters

Reflection and transmission of regular water waves by a thin, floating plate

F Nelli, LG Bennetts, DM Skene, JP Monty, JH Lee, MH Meylan, A Toffoli

Journal article  |  2017  |  Wave Motion

EXPERIMENTAL AND NUMERICAL MODELS OF WAVE REFLECTION AND TRANSMISSION BY AN ICE FLOE

Filippo Nelli, David M Skene, Luke G Bennetts, Micheal H Meylan, Jason P Monty, Alessandro Toffoli

Conference Proceedings  |  2017  |  Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology

THREE DIMENSIONAL VELOCITY FIELD UNDERNEATH A BREAKING ROGUE WAVE

Alberto Alberello, Csaba Pakodzi, Filippo Nelli, Elzbieta M Bitner-Gregersen, Alessandro Toffoli

Conference Proceedings  |  2017  |  Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE

WAVE ATTENUATION DUE TO ICE COVER: AN EXPERIMENTAL MODEL IN A WAVE-ICE FLUME

A Dolatshah, F Nelli, A Alberello, L Bruneau, LG Bennetts, MH Meylan, JP Monty, A Toffoli

Conference Proceedings  |  2017  |  Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology

Rogue waves in wind seas: An experimental model in an annular wind-wave flume

A Toffoli, D Proment, H Salman, J Monbaliu, E Stramignoni, R Forza, M Manfrin, M Onorato

Conference Proceedings  |  2017  |  Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE

Modeling the spatial evolutions of nonlinear unidirectional surface gravity waves with fully nonlinear numerical method

HD Zhang, C Guedes Soares, D Chalikov, A Toffoli

Journal article  |  2016  |  Ocean Engineering

Laboratory Experiments on the Effects of a Variable Current Field on the Spectral Geometry of Water Waves

Henrique Rapizo, Takuji Waseda, Alexander V Babanin, Alessandro Toffoli

Journal article  |  2016  |  Journal of Physical Oceanography

THE VELOCITY FIELD UNDERNEATH LINEAR AND NONLINEAR BREAKING ROGUE WAVES

Alberto Alberello, Amin Chabchoub, Alexander V Babanin, Jason P Monty, John Elsnab, Jung H Lee, Elzbieta M Bitner-Gregersen, Alessandro Toffoli

Conference Proceedings  |  2016  |  Volume 3: Structures, Safety and Reliability

Occurrence of extreme waves in finite water depth

L Fernandez, M Onorato, J Monbaliu, A Toffoli

Book Chapter  |  2016

Strongly nonlinear phenomena in extreme waves

A Iafrati, F De Vita, A Toffoli, A Alberello

Conference Proceedings  |  2016  |  Transactions - Society of Naval Architects and Marine Engineers

Modelling of the temporal and spatial evolutions of weakly nonlinear random directional waves with the modified nonlinear Schrödinger equations

HD Zhang, C Guedes Soares, M Onorato, A Toffoli

Journal article  |  2016  |  Applied Ocean Research

Non-Gaussian properties of shallow water waves in crossing seas

A Toffoli, M Onorato, AR Osborne, J Monbaliu

Book Chapter  |  2016

Non-Gaussian properties of second-order wave orbital velocity

A Alberello, A Chabchoub, O Gramstad, AV Babanin, A Toffoli

Journal article  |  2016  |  Coastal Engineering

Rogue Waves in Random Sea States: An Experimental Perspective

Alessandro Toffoli

Book Chapter  |  2016  |  Lecture Notes in Physics

An idealised experimental model of ocean surface wave transmission by an ice floe

LG Bennetts, A Alberello, MH Meylan, C Cavaliere, AV Babanin, A Toffoli

Journal article  |  2015  |  Ocean Modelling

Third-order resonant wave interactions under the influence of background current fields

Takuji Waseda, T Kinoshita, L Cavaleri, A Toffoli

Journal article  |  2015  |  Journal of Fluid Mechanics

Sea ice floes dissipate the energy of steep ocean waves

A Toffoli, LG Bennetts, MH Meylan, C Cavaliere, A Alberello, J Elsnab, JP Monty

Journal article  |  2015  |  Geophysical Research Letters

Experimental and theoretical models of wave-induced flexure of a sea ice floe

MH Meylan, LG Bennetts, C Cavaliere, A Alberello, A Toffoli

Journal article  |  2015  |  Physics of Fluids

Rogue waves in opposing currents: an experimental study on deterministic and stochastic wave trains

A Toffoli, T Waseda, H Houtani, L Cavaleri, D Greaves, M Onorato

Journal article  |  2015  |  Journal of Fluid Mechanics

Wave steepness and rogue waves in the changing climate in the north atlantic

EM Bitner-Gregersen, A Toffoli

Conference Proceedings  |  2015  |  Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE

Modelling water wave overwash of a thin floating plate

DM Skene, LG Bennetts, MH Meylan, A Toffoli

Journal article  |  2015  |  Journal of Fluid Mechanics

Occurrence of rogue sea states and consequences for marine structures

EM Bitner-Gregersen, A Toffoli

Journal article  |  2014  |  Ocean Dynamics

The new coast laboratory at Plymouth university: A world-class facility for marine energy

K Collins, G Iglesias, D Greaves, A Toffoli, S Stripling

Conference Proceedings  |  2014  |  Coasts, Marine Structures and Breakwaters 2013: From Sea to Shore - Meeting the Challenges of the Sea

The North Sea Andrea storm and numerical simulations

EM Bitner-Gregersen, L Fernandez, JM Lefevre, J Monbaliu, A Toffoli

Journal article  |  2014  |  Natural Hazards and Earth System Sciences

Modulational instability and wave amplification in finite water depth

L Fernandez, M Onorato, J Monbaliu, A Toffoli

Journal article  |  2014  |  Natural Hazards and Earth System Sciences

Statistics of wave orbital velocities in random directional sea states

A Alberello, A Chabchoub, O Gramstad, A Babanin, A Toffoli

Conference Proceedings  |  2014  |  Proceedings of the 19th Australasian Fluid Mechanics Conference, AFMC 2014

An experimental model of wave-induced motions of an ice floe

MH Meylan, A Toffoli, LG Bennetts, C Cavaliere, A Alberello, AV Babinin

Conference Proceedings  |  2014  |  Proceedings of the 19th Australasian Fluid Mechanics Conference, AFMC 2014

Experimental evidence of the modulation of a plane wave to oblique perturbations and generation of rogue waves in finite water depth

A Toffoli, L Fernandez, J Monbaliu, M Benoit, E Gagnaire-Renou, JM Lefevre, L Cavaleri, D Proment, C Pakozdi, CT Stansberg, T Waseda, M Onorato

Journal article  |  2013  |  Physics of Fluids

Excitation of rogue waves in a variable medium: An experimental study on the interaction of water waves and currents

A Toffoli, T Waseda, H Houtani, T Kinoshita, K Collins, D Proment, M Onorato

Journal article  |  2013  |  Physical Review E

Recurrent solutions of the Alber equation initialized by Joint North Sea Wave Project spectra

A Ribal, AV Babanin, I Young, A Toffoli, M Stiassnie

Journal article  |  2013  |  Journal of Fluid Mechanics

Statistics of wave orbital velocity in deep water random directional wave fields

A Toffoli, EM Bitner-Gregersen, SA Suslov, M Onorato

Conference Proceedings  |  2012  |  Volume 2: Structures, Safety and Reliability

A direct numerical simulation method is used to monitor the evolution of nonlinear random directional wave fields. The aim is to i..

A semi-empirical wave crest distribution of random directional wave fields

EM Bitner-Gregersen, A Toffoli

Conference Proceedings  |  2012  |  Volume 2: Structures, Safety and Reliability

Laboratory data of random directional wave fields have been used to investigate the combined effect of higher order nonlinearity a..

On the variability of sea drag in finite water depth

A Toffoli, L Loffredo, P Le Roy, J-M Lefevre, AV Babanin

Journal article  |  2012  |  Journal of Geophysical Research: Oceans

The effect of wave-induced turbulence on the ocean mixed layer during tropical cyclones: Field observations on the Australian North-West Shelf

A Toffoli, J McConochie, M Ghantous, L Loffredo, AV Babanin

Journal article  |  2012  |  Journal of Geophysical Research: Oceans

On the probability of occurrence of rogue waves

EM Bitner-Gregersen, A Toffoli

Journal article  |  2012  |  Natural Hazards and Earth System Sciences

Probability of occurrence of extreme waves in three dimensional mechanically generated random wave fields: A comparison with numerical simulations

A Toffoli, S Chai, EM Bitner-Gregersen, F Pistani

Conference Proceedings  |  2011  |  Volume 2: Structures, Safety and Reliability

Experimental and numerical investigations reveal that nonlinear modulational instability can significantly affect the probability ..

Triggering Rogue Waves in Opposing Currents

Miguel Onorato, Davide Proment, Alessandro Toffoli

Journal article  |  2011  |  Physical Review Letters

Estimating Sea Spray Volume with a Laser Altimeter

A Toffoli, AV Babanin, MA Donelan, BK Haus, D Jeong

Journal article  |  2011  |  Journal of Atmospheric and Oceanic Technology

Extreme waves in random crossing seas: Laboratory experiments and numerical simulations

A Toffoli, EM Bitner-Gregersen, AR Osborne, M Serio, J Monbaliu, M Onorato

Journal article  |  2011  |  Geophysical Research Letters

Occurrence of extreme waves in three-dimensional mechanically generated wave fields propagating over an oblique current

A Toffoli, L Cavaleri, AV Babanin, M Benoit, EM Bitner-Gregersen, J Monbaliu, M Onorato, AR Osborne, CT Stansberg

Journal article  |  2011  |  Natural Hazards and Earth System Science

Wave Breaking in Directional Fields

AV Babanin, T Waseda, T Kinoshita, A Toffoli

Journal article  |  2011  |  Journal of Physical Oceanography

Extreme waves in sea states crossing an oblique current

A Toffoli, AV Babanin, F Ardhuin, M Benoit, EM Bitner-Gregersen, L Cavaleri, J Monbaliu, M Onorato, AR Osborne, J Fouques, V Moe, C Pakozdi, CT Stansberg

Conference Proceedings  |  2010  |  29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 2

Laboratory experiments have been carried out in the directional wave tank at Marintek (Norway) to study the nonlinear dynamics of ..

Evolution of weakly nonlinear random directional waves: laboratory experiments and numerical simulations

A Toffoli, O Gramstad, K Trulsen, J Monbaliu, E Bitner-Gregersen, M Onorato

Journal article  |  2010  |  Journal of Fluid Mechanics

Freak waves in crossing seas

M Onorato, D Proment, A Toffoli

Journal article  |  2010  |  The European Physical Journal Special Topics

Maximum steepness of oceanic waves: Field and laboratory experiments

A Toffoli, A Babanin, M Onorato, T Waseda

Journal article  |  2010  |  Geophysical Research Letters

Development of a bimodal structure in ocean wave spectra

A Toffoli, M Onorato, EM Bitner-Gregersen, J Monbaliu

Journal article  |  2010  |  Journal of Geophysical Research

Uncertainties of wind sea and swell prediction from the Torsethaugen spectrum

EM Bitner-Gregersen, A Toffoli

Conference Proceedings  |  2009  |  Volume 2: Structures, Safety and Reliability

In practical applications, it is usually assumed that the wave spectrum is of a single mode form, and well modelled by a JONSWAP o..

Assessing the effect of finite water depth on the occurrence of extreme waves using a direct numerical simulation method

A Toffoli, M Benoit, M Onorato, EM Bitner-Gregersen

Conference Proceedings  |  2009  |  Coastal Engineering 2008

Provided waves are long crested, narrow banded and sufficiently steep, third-order nonlinearity is responsible for increasing the ..

Statistical properties of mechanically generated surface gravity waves: a laboratory experiment in a three-dimensional wave basin

M Onorato, L Cavaleri, S Fouques, O Gramstad, PAEM Janssen, J Monbaliu, AR Osborne, C Pakozdi, M Serio, CT Stansberg, A Toffoli, K Trulsen

Journal article  |  2009  |  Journal of Fluid Mechanics

Statistical Properties of Directional Ocean Waves: The Role of the Modulational Instability in the Formation of Extreme Events

M Onorato, T Waseda, A Toffoli, L Cavaleri, O Gramstad, PAEM Janssen, T Kinoshita, J Monbaliu, N Mori, AR Osborne, M Serio, CT Stansberg, H Tamura, K Trulsen

Journal article  |  2009  |  Physical Review Letters

The effect of third-order nonlinearity on statistical properties of random directional waves in finite depth

A Toffoli, M Benoit, M Onorato, EM Bitner-Gregersen

Journal article  |  2009  |  Nonlinear Processes in Geophysics

Influence of location and instrumentation on wave group characteristics

P Mercelis, G Smith, A Toffoli, N Vanmarcke, G Dumon, J Monbaliu

Conference Proceedings  |  2008  |  Volume 4: Ocean Engineering; Offshore Renewable Energy

Wave group characteristics from water of intermediate depths ranging from relatively deep to relatively shallow are discussed. The..

Statistical properties of a directional wave field: Direct simulations of the Euler equations and second-order theory

A Toffoli, EM Bitner-Gregersen, M Onorato

Conference Proceedings  |  2008  |  Volume 2: Structures, Safety and Reliability

It is well established that the modulational instability enhances the probability of occurrence for extreme events if waves are lo..

Wave crest and trough distributions in a broad-banded directional wave field

A Toffoli, E Bitner-Gregersen, M Onorato, AV Babanin

Journal article  |  2008  |  Ocean Engineering

Surface gravity waves from direct numerical simulations of the Euler equations: A comparison with second-order theory

A Toffoli, M Onorato, E Bitner-Gregersen, AR Osborne, AV Babanin

Journal article  |  2008  |  Ocean Engineering

Non-gaussian properties of surface elevation in crossing sea states in shallow water

A Toffoli, M Onorato, AR Osborne, J Monbaliu

Conference Proceedings  |  2007  |  Coastal Engineering 2006

The Kadomtsev-Petviashvili equation, an extension of the Korteweg-de Vries equation in two horizontal dimensions, is used to study..

Second-order theory and setup in surface gravity waves: A comparison with experimental data

A Toffoli, M Onorato, AV Babanin, E Bitner-Gregersen, AR Osborne, J Monbaliu

Journal article  |  2007  |  Journal of Physical Oceanography

Wave statistics in unimodal and bimodal seas from a second-order model

Alessandro Toffoli, Miguel Onorato, Jaak Monbaliu

Journal article  |  2006  |  European Journal of Mechanics - B/Fluids

Towards the identification of warning criteria: Analysis of a ship accident database

A Toffoli, JM Lefevre, E Bitner-Gregersen, J Monbaliu

Journal article  |  2005  |  Applied Ocean Research

Investigation of unexpected sea-states

A Toffoli, P Josse, JM Lefévre, J Monbaliu

Conference Proceedings  |  2004  |  23rd International Conference on Offshore Mechanics and Arctic Engineering, Volume 2

It is assumed that dangerous and unexpected sea-states may occur if the sea conditions are fairly rough. It is therefore of concer..

Dangerous sea-states for marine operations

A Toffoli, J Monbaliu, JM Lefěvre, E Bitner-Gregersen

Conference Proceedings  |  2004  |  Proceedings of the International Offshore and Polar Engineering Conference

A ship that founders represents a great disaster both from an economical and a human point of view. Although several can be the ca..

Freak Waves: Clues for Prediction in Ship Accidents?

A Toffoli, JM Lefevre, J Monbaliu, H Savina, E Bitner-Gregersen

Conference Proceedings  |  2003  |  Proceedings of the International Offshore and Polar Engineering Conference

Description of freak waves is not only important for design work but also for operational purposes it would be of benefit if warni..

Brief communication: Pancake ice floe size distribution during the winter expansion of the Antarctic marginal ice zone

Alberto Alberello, Miguel Onorato, Luke Bennetts, Marcello Vichi, Clare Eayrs, Keith MacHutchon, Alessandro Toffoli

Journal article

<p><strong>Abstract.</strong> The size distribution of pancake ice floes is calculated from images acquired duri..