stream frequency

stream frequency

[′strēm ‚frē·kwən·sē]
(geology)
A measure of topographic texture expressed as the ratio of the number of streams in a drainage basin to the area of the basin. Also known as channel frequency.
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Parameter Formula Reference Drainage Density (Dd) Dd = [summation]L/A L Horton, 1932 = Length of the rivers; A = Area Stream Frequency (Df) Df = [summation]N/A N Horton, 1932 = Number of river segments A Drainage Texture (Dt) Dt = N[mu]/P N[mu] = Total Horton, 1945 number of stream in all segments; P = Basin perimeter
Elevated topographical conditions in the west initiated numerous small stream segments and it encourages greater concentration of stream frequency, drainage density and drainage texture.