Department of Earth Sciences Faculty of Sciences Shiraz University Shiraz 7196484334 Iran;
Department of Earth Sciences Faculty of Sciences Shiraz University Shiraz 7196484334 Iran;
Centre Eau Terre Environnement Insitut National de la Recherche Scientifique Quebec QCJ3X1S2 Canada;
Department of Geography Bowling Green State University Ohio 43403-0001 USA;