A Special Acknowledgement To:
Prof. Dr. Nelson G. Rangel-Buitrago
CERF-JCR Lifetime Member
Universidad del Atlántico
Nelson G. Rangel-Buitrago (Bsc, Msc, PhD) is a Full Professor of Geology at the Universidad del Atlántico, Barranquilla, Colombia. He has been teaching at the university level since 2003. In addition to his teaching experience, he has conducted many research projects on geology, geomorphology, and coastal management and has served as an expert consultant for national and international organizations, mostly in Spain, Brazil, Chile, and Colombia.