Hamideh Daghigh - PhD students - science & research branch of Islamic Azad university
Ali Karami Khaniki - Associate professor - Soil Conservation and Watershed Management Research Institute

Modeling coastal bed formation changes is very important due to its complicated process. Inthis case, dentate changes of sandy bed (Ripple) have noticeable effect on bed roughness andshear stress and also cause to phase delay in suspension of sediment particles on bed.

Bed formation, Sand beach, Ripple, Waves