Marine Erosion Chemical Attack Abrasion Wave Impact Compressed Air Backwash Longshore and Beach Drift Most Beach Sand Is Created by Weathering and Carried to Coasts by Rivers Beach Sand Moves along the Coast by Longshore and Beach Drift Beach Wave 1 Wave 2 Wave 3 in out in out in out /| /| /| / | / | / | ----------&gt; / | / | / | Beach Drift / | / | / | / |/ |/ | Water Line -------------------- / Wave Motion / Currents ===========&gt; / Longshore Drift Types of Coast Degree of Modification Primary -
(Compressed Air Backwash Longshore and Beach Drift Most Beach Sand; Is Created; by Weathering) (Compressed Air Backwash Longshore and Beach Drift Most Beach Sand; Carried; to Coasts; by Rivers Beach Sand Moves along the Coast by Longshore and Beach Drift Beach Wave 1 Wave 2 Wave 3 in out in out in out /| /| /| / | / | / | ----------&gt; / | / | / | Beach Drift / | / | / | / |/ |/ | Water Line -------------------- / Wave Motion)
Compressed Air Backwash Longshore and Beach Drift Most Beach Sand Compressed Air Backwash Longshore and Beach Drift Most Beach Sand
Is Created Carried
by Weathering
to Coasts by Rivers Beach Sand Moves along the Coast by Longshore and Beach Drift Beach Wave 1 Wave 2 Wave 3 in out in out in out /| /| /| / | / | / | ----------&gt / | / | / | Beach Drift / | / | / | / |/ |/ | Water Line -------------------- / Wave Motion