TIDAL FLOW CHARACTERISTICS IN YANGON RIVER CONFLUENCE

Abstract

 This study focuses on tidal flow characteristics in the confluence of Yangon and Bago River, Myammar. Field surveys were conducted in the end of the rainy season and the dry season to obtain water surface evolution and flow velocities around the confluence. A numerical model was constructed on the basis of the field data to investigate detailed flow structures due to river and tidal flows. The results suggest that the tidal flows are dominant over river flows during the survey periods, and the asymmetric tide produces high ebb velocity especially in the Bago River, leading to net sediment transport to the confluence.