Pulse propagation through continental‐shelf internal solitary waves

1997 ◽  
Vol 102 (5) ◽  
pp. 3062-3062
Author(s):  
Altan Turgut ◽  
Stephen N. Wolf
Keyword(s):  
Continental Shelf ◽  
Solitary Waves ◽  
Pulse Propagation ◽  
Internal Solitary Waves

The investigation of internal solitary waves over a continental shelf-slope

2019 ◽  
Vol 38 (3) ◽  
pp. 695-706
Author(s):  
Qian Ma ◽  
Chunxin Yuan ◽  
Xiaopei Lin ◽  
Xue’en Chen
Keyword(s):  
Continental Shelf ◽  
Solitary Waves ◽  
Internal Solitary Waves ◽  
Shelf Slope ◽  
Continental Shelf Slope

Statistics of Internal Tide Bores and Internal Solitary Waves Observed on the Inner Continental Shelf off Point Sal, California

2018 ◽  
Vol 48 (1) ◽  
pp. 123-143 ◽  
Author(s):  
John A. Colosi ◽  
Nirnimesh Kumar ◽  
Sutara H. Suanda ◽  
Tucker M. Freismuth ◽  
Jamie H. MacMahan
Keyword(s):  
Continental Shelf ◽  
Energy Flux ◽  
Solitary Waves ◽  
Internal Tide ◽  
Propagation Loss ◽  
Internal Solitary Waves ◽  
Time Behavior ◽  
Time Duration ◽  
Match Filter ◽  
Inner Continental Shelf

AbstractMoored observations of temperature and current were collected on the inner continental shelf off Point Sal, California, between 9 June and 8 August 2015. The measurements consist of 10 moorings in total: 4 moorings each on the 50- and 30-m isobaths covering a 10-km along-shelf distance and an across-shelf section of moorings on the 50-, 40-, 30-, and 20-m isobaths covering a 5-km distance. Energetic, highly variable, and strongly dissipating transient wave events termed internal tide bores and internal solitary waves (ISWs) dominate the records. Simple models of the bore and ISW space–time behavior are implemented as a temperature match filter to detect events and estimate wave packet parameters as a function of time and mooring position. Wave-derived quantities include 1) group speed and direction; 2) time of arrival, time duration, vertical displacement amplitude, and waves per day; and 3) energy density, energy flux, and propagation loss. In total, over 1000 bore events and over 9000 ISW events were detected providing well-sampled statistical distributions. Statistics of the waves are rather insensitive to position along shelf but change markedly in the across-shelf direction. Two compelling results are 1) that the probability density functions for bore and ISW energy flux are nearly exponential, suggesting the importance of interference and 2) that wave propagation loss is proportional to energy flux, thus giving an exponential decay of energy flux toward shore with an e-folding scale of 2–2.4 km and average dissipation rates for bores and ISWs of 144 and 1.5 W m−1, respectively.

The Behaviors of Internal Solitary Waves near the Continental Shelf of South China Sea Inferred from Satellite Images

2012 ◽  
Vol 588-589 ◽  
pp. 2131-2135 ◽  
Author(s):  
Xiao Dong Huang ◽  
Ji Wei Tian ◽  
Wei Zhao
Keyword(s):  
Continental Shelf ◽  
Solitary Waves ◽  
Nonlinear Coefficient ◽  
Propagation Speed ◽  
Internal Solitary Waves ◽  
Modis Image ◽  
Mode 2 ◽  
Steep Terrain ◽  
Depression Wave ◽  
Elevation Wave

The behaviors of internal solitary waves (ISWs) near the continental shelf of SCS are analyzed. We interpret manifestations of four kinds of ISWs in MODIS images: mode-1 depression wave, bolus, mode-1 elevation wave, and mode-2 convex wave. The geographical distributions of these ISWs are investigated. Bolus and mode-1 elevation wave, the two evolution stages of polarity conversion process of depression ISW, only exists around 22˚N, which is in agreement with the sign of mode-1 nonlinear coefficient α1. The mode-2 convex waves generally follow the southern part of mode-1 depression ISW, where the steep terrain favors their generation. The information of a mode-1 depression ISW, such as amplitude and propagation speed, is also derived from the MODIS image.

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