Perspective on the relative degree of turbulent versus laminar flow 2 cm above the
bottom of the flume was provided by examining Reynolds numbers under varying
current speeds and locations. The Reynolds numbers ranged from 150 to 360 at low
flow, 270–450 at medium flow, and 330–600 at high flow (Fig. 6). These Reynolds
numbers are relatively high, indicating that inertial forces dominated over viscous forces,
and that flow 2 cm above the flume was turbulent. Turbulence was higher upstream of
the seagrass patch than downstream of the patch, and lowest in the center of the patch