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TeachMeFinance.com - explain ripple marks ripple marks The term 'ripple marks' as it applies to the area of coastlines can be defined as ' undulations produced by fluid movement over sediments. oscillatory currents produce symmetric ripples whereas a well-defined current direction produces asymmetrical ripples. the crest line of ripples may be straight or sinuous. the characteristic features of ripples depend upon current velocity, particle size, persistence of current direction and whether the fluid is air or water. sand dunes may be regarded as a special kind of 'super'-ripple'. Previous 5 Terms: Riparian buffer Riparian rights riparian water rights Riparian Zone Ripple Next 5 Terms: Riprap rips risible Risk Risk Adjustment About the author Mark McCracken Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English". Copyright © 2005-2011 by Mark McCracken, All Rights Reserved. TeachMeFinance.com is an informational website, and should not be used as a substitute for professional medical, legal or financial advice. Information presented at TeachMeFinance.com is provided on an "AS-IS" basis. Please read the disclaimer for details.