Deploying Instruments (image) University of Washington Caption Oceanographers lowered their instrument into the canyon in April 2013. The tool was built to measure fast-moving water close to the seafloor. Credit Parker MacCready, UW Usage Restrictions With credit 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.