Flooded Construction Trench (IMAGE) University of Hawaii at Manoa Caption This construction trench in Waikiki shows that the water table is nearly at the ground surface at high tide. Credit UHM Coastal Geology Group Usage Restrictions Image may be used with appropriate caption and credit License Licensed 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.