Seasonal sandbar migration on a single-barred embayed beach in the Mexican Pacific Coast

Jesus Adrián Vidal-Ruiz, Universidad Autónoma de Baja California, Instituto de Investigaciones Oceanológicas, Ensenada, BJ, Mexico, Amaia Ruiz De Alegria-Arzaburu, Univerisdad Autónoma de Baja California, Instituto de Investigaciones Oceanológicas, Ensenada, Mexico and Ismael Marino-Tapia, Center for Research and Advanced Studies, Marine Resources Department, Merida, YC, Mexico