THE GEOMORPHOLOGY AND ASSESSMENT OF INDICATORS OF SEA-LEVEL CHANGES TO STUDY COASTAL EVOLUTION FROM THE GULF OF THAILAND MONTRI CHOOWONG Department of Geology Faculty of Science Chulalongkorn University Phayathai 10330 Bangkok, Thailand Tel: 66-2-218-5461, 218-5442-3 Email: montri@geo.sc.chula.ac.th Paper prepared for the International Symposium on Geology of Thailand Organised by The Department of Mineral Resources Bangkok, Thailand 26-31 August 2002