LANE’S BALANCE
Q S Q Ds~ 50
Construction Phase - Sediment Delivery Q+S ~ Qs
+ds
Post-Construction - Sediment Delivery Q++S-- ~ Qs
- ds
+
Incision and Widening
Schumm’s River Metamorphosis
Response
Slope
So
Grain Size
d50
Width
wDepth
dRatio
w/d
Meander Wavelength
Sinuosity
P
Q+ - + + + + +Q- + - - - - -
Qsb+ + - + - + + -
Qsb- - + - + - - +
Alt
erat
ion
Schumm’s River Metamorphosis – Part II
ResponseSlope
So
Grain Size
d50
Width
wDepth
dRatio
w/d
Meander Wavelength
Sinuosity
P
Q+ Qsb+
± ± + ± + + -Q- Qsb
-
± ± - ± - - +Q+Qsb
-
- + ± + ± ± +Q-Qsb
+
+ - ± - ± ± -
Alt
erat
ion
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