Table 2 p-values associated with changing the grid spacing from 0.06 to 0.24 m.

From: An experimental study: effects of boulder placement on hydraulic metrics of instream habitat complexity

Scenario code

p value

M1 (J/kg m)

M2 (1/m)

M4 (1/s)

S2-L

 < 0.001*

0.463

0.001*

S3-L

 < 0.001*

0.251

 < 0.001*

S4-L

 < 0.001*

0.129

 < 0.001*

S2-H

 < 0.001*

0.004*

 < 0.001*

S3-H

0.011*

0.435

 < 0.001*

S4-H

 < 0.001*

0.165

 < 0.001*

  1. M1 is the kinetic energy gradient metric, M2 is the normalized kinetic energy gradient metric, and M4 is the modified recirculation metric. (*) indicates the change is statistically significant assuming a significance level of 0.05.
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