FACTOID # 6: Clipperton Island wins our prize for the most unusual looking country.
 
 Home   Encyclopedia   Statistics   Countries A-Z   Flags   Maps   Education   Forum   FAQ   About 
 
WHAT'S NEW
RECENT ARTICLES
More Recent Articles »
 

Encyclopedia > Internal wave

Internal waves are gravity waves that oscillate due to the buoyancy force. The simplest example are the waves generated on the interface between two fluids of different densities. These waves typically have much lower frequencies and higher amplitudes than surface waves. This is because the density difference between two fluids is typically much less than the density difference between water and air. A good way to visualize internal waves is to observe the waves on an oil-water interface.


External link

Directions for making an oil and water wave toy. (http://hometown.aol.com/sail2957/gifts.html)


  Results from FactBites:
 
Internal Wave (1056 words)
LaViolette and Arnone (1988) presented further measurements of internal waves in the Strait, together with simultaneous visual observations from aircraft and the space shuttle.
The internal waves are believed to be generated by the tidal flow over Camarinal Sill at the western end of the Strait.
They attribute the frequent generation of internal waves in the region of northwest of Taiwan to the upwelling induced by the Kuroshio intrusion (major western boundary current of the Pacific) at the Shelf break.
Oceanogr. Notes Chapter 10 (1199 words)
wave speed depends on the period, with the longer period waves moving faster than the shorter period waves (and the longer period waves have the longer wave lengths).
In contrast to surface waves in which horizontal particle velocities are largest at the surface and either decay quickly with depth (in deep water waves) or are independent of depth (in shallow water waves), horizontal water movement in internal waves is largest near the surface and bottom and minimal at mid-depth.
The most common internal waves are of tidal period and manifest themselves in a periodic lifting and sinking of the seasonal and permanent thermocline at tidal rythm.
  More results at FactBites »

 

COMMENTARY     


Share your thoughts, questions and commentary here
Your name
Your location
Your comments
Please enter the 5-letter protection code


Lesson Plans | Student Area | Student FAQ | Reviews | Press Releases |  Feeds | Contact
The Wikipedia article included on this page is licensed under the GFDL.
Images may be subject to relevant owners' copyright.
All other elements are (c) copyright NationMaster.com 2003-5. All Rights Reserved.
Usage implies agreement with terms.