Figure 2. Photo: Flow meter with thermograph. Graph: Counts of impellor rotations showing tidal fluctuations in passing water flow over three months.
Flow Meter
Image courtesy of the Hawaii Undersea Research Lab. Download larger version (jpg, 364 KB).

Figure 2. Photo: Flow meter with thermograph. Graph: Counts of impellor rotations showing tidal fluctuations in passing water flow over three months.

Learn more