Last Updated on November 21, 2023 by Paganoto
What Causes Dune Or Ripple Crests To Be Non-linear?
What Causes Dune Or Ripple Crests To Be Non-linear?
As a result, ripples are formed, requiring net deposition, as in decelerating flows associated with river floods or turbidity currents. The environment tends to …
Ripple – an overview | ScienceDirect Topics
Ripple – an overview | ScienceDirect Topics
These ripples can be either symmetrical or asymmetrical. These structures are formed due to the presence of two dominant currents. This causes ripples to …
Ripples and Dunes
Ripples and Dunes
When a wind or water current flows across loose sand, the sand is dragged along the bottom and frequently is piled up to form ripples and dunes.
Features from the field: Ripple Marks – EGU Blogs
Features from the field: Ripple Marks – EGU Blogs
Waves cause ripples to be symmetric because both sides of the ripple become alternatively sites of erosion and deposition while water moves back …
Wave ripple formation – Coastal Wiki
Wave ripple formation – Coastal Wiki
Wave ripples form because the interaction of the oscillatory flow, induced by surface waves close to the bottom, with a bottom undulation of …
Types of Dunes – USGS Publications Repository
Types of Dunes – USGS Publications Repository
A crescentic dune with a star dune superimposed on its crest is the most common complex dune. Simple dunes represent a wind regime that has not …
Bedforms: ripples and dunes – Geology is the Way
Bedforms: ripples and dunes – Geology is the Way
In general, ripples with straight crests are stable at low flow velocity or at relatively large depth. They are also commonly produced by wind.
Blown by wind: nonlinear dynamics of aeolian sand ripples
Blown by wind: nonlinear dynamics of aeolian sand ripples
by H Yizhaq · 2004 · Cited by 88 — ripples grow, nonlinear effects become important, ripples become asymmetric … aeolian sand ripples in the desert of the Great Sand Dunes National Monument …
formation of ripples by primary linear instability and of dunes …
formation of ripples by primary linear instability and of dunes …
by A FOURRIERE · 2010 · Cited by 135 — the formation of dunes by a nonlinear pattern coarsening limited by the free … the spacing of ripple crests and the flow depth, and also in the case of …
Sedimentary Structures in Dunes of the Namib Desert, South …
Sedimentary Structures in Dunes of the Namib Desert, South …
Straight, parallel ripple crests, oriented at right angles to dune ridges, on steep foresets (Figs. 46', 4D) are recorded from both linear and star dunes.
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