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The non-local Fisher-KPP equation:traveling waves and steady states
non-local Fisher-KPP equation traveling waves steady states
2015/7/14
We consider the Fisher-KPP equation with a nonlocal saturation effect defined through an interaction kernel φ(x) and investigate the possible differences with the standard Fisher-KPP equation. Our fir...
This paper reviews several mathematical techniques that have been developed to analyze the asymptotic behavior of waves and particles propagating in a heterogeneous medium. The heterogeneous medium is...
Waves in weakly random media:lecture notes for the Vienna Inverse Problems school
weakly random media Vienna Inverse Problems
2015/7/14
Wave propagation in complex media is an ubiquitous phenomenon–applications include light propagation through the atmosphere, underwater acoustic, tomography, and innumerable other ones. These problems...
Precursors for Waves in Random Media
Parabolic approximation random media precursor O’Doherty-Anstey approximation
2015/7/14
We consider scattering of a pulse propagating through a three-dimensional random media and study the shape of the pulse in the parabolic approximation. We show that, similarly to the one-dimensional O...
Barotropic tides generate energetic internal tides, smaller-scale
waves, and turbulence as they flow through Luzon Strait, between Taiwan and
the Philippines. Three-dimensional numerical simulatio...
Examining Breaking Internal Waves on a Shelf Slope Using Numerical Simulations
Numerical Simulations Internal Waves
2015/7/14
The subject of internal waves interacting with bottom topographic features in the ocean has received much attention in the past few decades. This heightened interest is mainly due to a conjecture that...
Examining Breaking Internal Waves on a Shelf Slope Using Numerical Simulations
Numerical Simulations Internal Waves
2015/7/14
The subject of internal waves interacting with bottom topographic features in the ocean has received much attention in the past few decades. This heightened interest is mainly due to a conjecture that...
Nonlinear internal waves are found in many parts of the world ocean. Their widespread distribution is a result of their origin in the barotropic tide and in the variety of ways they can be generated, ...
The off-shelf region between 16.0° and 16.5°N in the southern Red Sea is identified as a new hotspot for the occurrence of oceanic internal solitary waves. Satellite observations reveal trains of soli...
The low-frequency oceanography of the Washington continental shelf has been studied in great detail over the last several decades owing in part to its high productivity but relatively weak upwelling w...
Simulating the Long-Range Swell of Internal Waves Generated by Ocean Storms
Ocean Storms Internal Waves
2015/7/14
Near-inertial waves (NIWs) are a special class of internal gravity waves with periods set by planetary rotation and latitude (e.g., at 30° latitude, one cycle per 24 hours). They are notable because t...
This special issue of Oceanography presents a survey of recent work on internal waves in the ocean. The undersea analogue to the surface waves we see breaking on beaches, internal waves play an import...
Turbulent Properties of Internal Waves in the South China Sea
Turbulent Properties Internal Waves South China Sea
2015/7/13
Luzon Strait and South China Sea waters are among the most energetic internal wave environments in the global ocean. Strong tides and stratification in Luzon Strait give rise to internal waves that pr...
Modeling and Prediction of Internal Waves in the South China Sea
Modeling and Prediction Internal Waves South China Sea
2015/7/13
Nonlinear internal solitary waves generated within Luzon Strait move westward across the northern South China Sea, refract around Dongsha Atoll, and dissipate on the Chinese continental shelf after a ...
A nonhydrostatic, isopycnal-coordinate ocean model for internal waves
Nonhydrostatic model Isopycnal coordinates Multi-layer model Internal waves Solitary waves Ocean modeling
2015/6/30
We present a nonhydrostatic ocean model with an isopycnal (density-following) vertical coordinate system. The primary motivation for the model is the proper treatment of nonhydrostatic dispersion and ...