Gulf Coast channel map (IMAGE) University of Texas at Austin Caption A map of the Texas and Louisiana coastline from the study showing channel basins (yellow), rivers (grey), and the outline of the study area (blue). The basins direct water into channels that flow inside their boundaries. Credit Swartz et al. Usage Restrictions include credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.