Marine and Coastal GIS A Review of Some Software Tools for Synthesizing, Understanding and Presenting Oceanographic Processes: Is there a Functional Oceanic GIS? Sayedur Rahman Chowdhury Investigation of Gonari Area Coastal Changes Using GIS Saied Choopani Local Performance of the Main Tidal Components in Persian Gulf and Oman Sea Derived from ERS and TOPEX/POSEIDON Altimeter Data Mehdi.Najafi-Alamdari Use of Object-Oriented Classification Methods to Map Coastal Regions from High-Resolution Satellite and Airborne Digital Imagery Louis Demargne Application of Remote Sensing for Assessment of Mrphological Change in Tam Giangiang - Cau Hai Lagoon, Vietnam Tran Van Dien