B.5.2 River Size
Small Rivers (width < 10 m and depth < 1.0 m). A total of 81 data sets from Group 2
including six river systems were used. The range of data is:
: 0.2268 7.35 m3/s
discharge, Q
mean bed diameter, D50
: 0.042 mm (coarse silt) 57.51 mm (very coarse gravel)
slope, S
: 0.000115 0.00745
Intermediate Rivers (10 m < width < 50 m and 1.0 m < depth < 3 m). A total of 61 data sets
from Group 2 including nine river systems were used. The range of data is:
: 17.50 268.72 m3/s
discharge, Q
mean bed diameter, D50
: 0.021 (medium silt) 1.91 mm (very coarse sand)
slope, S
: 0.000058 0.0024
Large Rivers (width > 50 m and depth > 3 m). A total of 374 data sets from Group 2
including 13 river systems were used. The range of data is:
: 107 235,000 m3/s
discharge, Q
mean bed diameter, D50
: 0.02 mm (medium silt) 1.05 mm (coarse sand)
slope, S
: 0.0000027 0.000121
B.30
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