Giant episodic ocean waves that suddenly soar like a wall of water out of an otherwise calm sea are not just a legend. Such waves—which in the past have been called "abnormal," "exceptional," "extreme," and even "vicious killer" waves—are now commonly known as "rogue waves" or "...
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Rogue Waves in the Ocean Giant episodic ocean waves that suddenly soar like a wall of water out of an otherwise calm sea are not just a legend. Such waves—which in the past have b... Takuji,Waseda - 《Eos Transactions American Geophysical Union》 被引量: 379发表: 2010年 Rogue waves ...
In the ocean, there are always many different waves of varying sizes. Some are small ripples, while others are large swells. When scientists or sailors want to describe the sea conditions, just measuring one wave wouldn’t give a good picture of how rough the sea is. So, instead of focus...
in the North Sea during a storm inJanuary, 1995 provides evidence that such waves can occurin the open ocean. Theoretical models offer various physicalmechanisms that can produce such focusing of wave energy ina small area of the ocean. When nonlinearities are negligible,ocean waves are usually ...
Linear interference of waves with random phase has often been cited as one possible explanation, but apparently does not satisfactorily explain the probability of extreme events in the ocean. Other explanations therefore suggested a decisive role of a nonlinearity in the system. Here we show that ...
Rogue waves, also known as freak waves, have received much attention in the scientific community as well as in media and the marine industry in the past two decades. Forecasts of extreme weather events have always been welcomed by the marine industry. Therefore, the development of warning criter...
We also identify seasonal intensification in rogue waves with increased rogue wave occurrence, of higher severity, in the winter than in the summer. Therefore, the common practice of stating a single occurrence likelihood for an ocean basin is not valid. In addition, the buoy data show that ...
Advanced analysis and hindcasting of real-world ocean wave data have revealed the central role of directionality and the superposition of random wave trains in the formation of ocean rogue waves. The emergence of oceanic rogue waves in the general case is likely to arise from both linear and no...
It is also reported that these GDNLS equations can be decomposed into two different bilinear systems which require different KP reductions, but the resulting rogue waves remain the same. Dynamics of rogue waves in the GDNLS equations is also analyzed. It is shown that the wavenumber of the ...