Sampling Ocean Water for Viruses (IMAGE) University of Arizona Caption Researchers aboard the MSV John Strickland use a CTD rosette -- an instrument suite measuring salinity, temperature and depth -- to collect water samples and environmental parameter data in Saanich Inlet. Credit Steven Hallam Usage Restrictions This visual may only be used in conjunction with reporting/posting of this news release. Image/video credit must be included exactly as indicated. 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.