A5035058024- Arctic and Antarctic ice dynamics
- Ocean Waves and Remote Sensing
- Oceanographic and Atmospheric Processes
- Wave and Wind Energy Systems
- Coastal and Marine Dynamics
- Methane Hydrates and Related Phenomena
- Underwater Acoustics Research
- Marine and environmental studies
- Atmospheric chemistry and aerosols
- Maritime Navigation and Safety
- Spectroscopy and Chemometric Analyses
- Geophysics and Gravity Measurements
- Tropical and Extratropical Cyclones Research
- Icing and De-icing Technologies
- Ultrasound and Cavitation Phenomena
- Vietnamese History and Culture Studies
- Advanced Data Storage Technologies
- Geophysics and Sensor Technology
- Flow Measurement and Analysis
- Fluid Dynamics and Mixing
- Cell Image Analysis Techniques
- Atmospheric and Environmental Gas Dynamics
- Computational Fluid Dynamics and Aerodynamics
- Elasticity and Wave Propagation
- Aquatic and Environmental Studies
Monash University
2024-2025
Swinburne University of Technology
2016-2024
The University of Melbourne
2018-2023
Scripps Institution of Oceanography
2022
Laboratoire de Recherche Hydrodynamique, Energétique et Environnement Atmosphérique
2021
Centre National de la Recherche Scientifique
2021
École Centrale de Nantes
2021
The marginal ice zone is the dynamic interface between open ocean and consolidated inner pack ice. Surface gravity waves regulate extent properties, and, hence, fluxes atmosphere ocean, advance retreat. Over past decade, seminal experimental campaigns have generated much needed measurements of wave evolution in zone, which, notwithstanding prominent knowledge gaps that remain, are underpinning major advances understanding region's role climate system. Here, we report three-dimensional...
We report direct observations of surface waves from a stereo camera system along with concurrent measurements wind speed during an expedition across the Southern Ocean in austral winter aboard South African icebreaker S.A. Agulhas II. Records include water elevation range wave conditions spanning early stages growth to full development. give experimental evidence rogue seas, i.e., sea states characterized by heavy tails probability density function well beyond expectation based on bound mode...
Abstract. The Southern Ocean has a profound impact on the Earth's climate system. Its strong winds, intense currents, and fierce waves are critical components of air–sea interface contribute to absorbing, storing, releasing heat, moisture, gases, momentum. Owing its remoteness harsh environment, this region is significantly undersampled, hampering validation prediction models large-scale observations from satellite sensors. Here, an unprecedented data set simultaneous surface ocean...
ABSTRACT Satellite remote sensing provides extensive data for water management, enabling the measurement of hydro-meteorological and environmental variables. It aids in assessing trends, hydrological conditions guiding appropriate management actions. serves as a cost-effective supplement to ground-based monitoring infrastructure. Over past decade, satellite Earth observation technologies have advanced significantly, offering new opportunities utilities agencies. These developments include...
This work concerns the study of surface water waves in presence a horizontally varying opposing current. We demonstrate experimentally and numerically that spatial inhomogeneity increases occurrence probability extreme rogue course unidirectional wave propagation. clearly report transition between Gaussian strongly non-Gaussian properties. An existing experimental model wave-current interaction is revisited by comparing it against numerical simulations from current-modified Euler equations....
A physical model is discussed that mimics the interaction between ocean waves and a multitude of loose pancake ice floes, which form outer edge Arctic Antarctic marginal zones during winter sea formation. The pancakes were modeled by using cubes with different concentrations, while generated mechanically. had dimension few centimeters, was two orders magnitude smaller than dominant wavelength. Experiments consisted tracking propagation regular irregular wave fields along flume as they...
The sound radiated by newly formed bubbles can be used to determine their properties. However, details of the fluid dynamics driving acoustic emission remain unclear. A neck-collapsing model has been proposed explain generation at bubble pinch-off. uses a forcing function which drives Rayleigh-Plesset equation and is linked pressure. Here, tested on diameter up 7 mm generated in distilled water, tap alcohol-water solution. works well for less than 2.2 radius but error increases 71% larger diameters.
Wave breaking has large impact on stresses and loading marine structures, but it is not yet accounted for in the design process. A numerical investigation here presented to fully assess three-dimensional velocity field underneath a wave. The onset achieved by modulating an initial monochromatic wave with infinitesimal sideband perturbations. latter triggers nonlinear energy transfer, which allows one individual waves grow break once steepness overcome specific threshold. Numerical...
A data set of concurrent measurements sea spray aerosol concentration, wind speed, state, and air water temperature was acquired across all sectors the Southern Ocean during Antarctic Circumnavigation Expedition (Austral summer 2016/2017). In addition to established dependence on our observations demonstrate that concentrations depend state stability marine boundary layer. Besides driving emissions, speed strongly influence deposition onto ocean surface thus lifetime even for smaller...
Waves penetrate deep into the ice covered seas, inducing breakup of cover. Concomitantly, cover attenuates wave energy over distance, so that impacts die out eventually. Observations attenuation and concurrent wave-induced in literature are serendipitous due to difficulties making measurements seas. Hence understanding wave-ice interactions remain uncertain. Here we present propagation through waters new experimental facility at University Melbourne. The comprises a 14m long 0.76m wide flume...
Abstract Algae and cyanobacteria are microorganisms found in almost all fresh marine waters, where they can pose environmental public health risks when grow excessively produce blooms. Accurate identification quantification of these vital for ecological research, water quality monitoring, safety. However, traditional methods manually counting morphologically identifying time-consuming prone to human error. Application the machine learning-driven Fast Segment Anything Model (FastSAM), an...
Experiments were undertaken to develop a relationship between bubble size and acoustic-emission amplitude for vertical stream of water impacting pool. A particular focus is the formation discrete bubbles. Although diameter natural frequency sound emissions has been established through Minnaert's work, comprehensive investigation into missing. Air bubbles generated from impact falling-water streams varying diameters on an underlying pool their acoustic recorded using nearby hydrophone. Sound...
The marginal ice zone (MIZ) is the outer part of sea-ice covered ocean, where can be found in form large floating chucks better known as floes. Since it area most interaction between cover and ocean waves takes place, requires careful modelling. However existing mathematical models, based on traditional thin-plate theory, underestimate attenuation for energetic waves, since energy dissipation occurring during process not taken into account. New laboratory experimental direct numerical models...
<p>The Southern Ocean is the birthplace of fiercest waves on Earth, which play a fundamental role in global climate by regulating momentum, heat and gas exchanges between atmosphere ocean. At high latitudes, interact with Antarctic sea ice, another crucial player Earth's system, modulating its expansion winter retreat summer hence affecting albedo. Despite impact climate, wave models are considerably biased Hemisphere, due to scarcity observations these remote waters. This...
Abstract. The Southern Ocean has a profound impact on the Earth's climate system. Its strong winds, intense currents, and fierce waves are critical components of air-sea interface contribute to absorbing, storing, releasing heat, moisture, gasses, momentum. Owing its remoteness harsh environment, this region is significantly under sampled, hampering validation prediction models large scale observations from satellite sensors. Here, an unprecedented data set simultaneous surface ocean...