Environmental Engineering Reference
In-Depth Information
FIGURE 2.1
Water moving past an algal thallus at progressively higher velocities. Tracer
particles allow visualization of turbulence. Velocities are 0.5 (A), 1.5 (B), 2 (C), and 3.5 cm
s
1
(D) (from Hurd and Stevens, 1997; reproduced with permission of the
Journal of Phy-
cology
).
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