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Table 3

Experimental conditions

Vegetation properties
Flow conditionDischarge (l/s)Tailwater depth**No of runs
Vegetation densityArrangementSpacing cmStems/m2
Unvegetated n/a n/a n/a Subcritical flow 40, 35, 30, 25 Three different depths for each discharge 12 
High (λ>0.0113) Staggered 2.5 1,600 40, 35, 30, 25 12 
Medium (λ>0.0028) 5.0 400 40, 35, 30, 25 12 
Low (λ>0.0013) 7.5 178 40, 35, 30, 25 12 
Runs (total) 48 
Vegetation properties
Flow conditionDischarge (l/s)Tailwater depth**No of runs
Vegetation densityArrangementSpacing cmStems/m2
Unvegetated n/a n/a n/a Subcritical flow 40, 35, 30, 25 Three different depths for each discharge 12 
High (λ>0.0113) Staggered 2.5 1,600 40, 35, 30, 25 12 
Medium (λ>0.0028) 5.0 400 40, 35, 30, 25 12 
Low (λ>0.0013) 7.5 178 40, 35, 30, 25 12 
Runs (total) 48 

**The tailwater depths are related to three Froude number ranges for the unvegetated case (Fro); 1. Fro=0.11–0.15; 2. Fro=0.15–0.20 and 3. Fro=0.21–0.30.

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