Sand and Ripples in the Pee Dee River Andy Bobyarchick 6 February 2018 geology Ripples are periodic waveforms throughout the natural environment. These subaqueous asymmetrical wave ripples in sand under the Pee Dee River in North Carolina are created by oscillatory wave motions normal or slightly oblique to the shoreline. Sand bar, shore line, subaqueous ripples and tree stump on the Pee Dee River, Morrow Mountain State Park, NC. This photograph ©Andy R. Bobyarchick. Share this:FacebookTwitterPinterestLinkedInEmailLike this:Like Loading... Related Previous PostNeedle Ice: A Gallery Next PostInvasive Gastropods in High Rock Lake, NC Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *CommentName* Email* Website Save my name, email, and site URL in my browser for next time I post a comment. Notify me of follow-up comments by email. Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed.