online_wsprofiles_27:   C1 water-surface profile Description Example Summary Reference Disclaimer INPUT DATA: Select:    SI units (metric) U.S. Customary units    [Choose S.I. Units or U.S. Customary units Enter discharge Q (m3/s) [cfs]:              Enter bottom width B (m) [ft]:              Enter side slope z (z H:1 V):     Enter Manning's n:     Enter downstream flow depth yd (m) [ft] (a subcritical subnormal flow depth) [ If left blank, a default value of yd = 3*yc will be used ]:     Enter number of computational intervals n (suggested range 50-200) [ If left blank, a default value of 100 will be used ]:     Enter number of tabular output intervals m (suggested range 10-50) [ If left blank, a default value of 10 will be used ]:     ECHO OF INPUT: Warning: Undefined variable $discharge in /var/www/html/ponce/onlinewsprofiles27.php on line 598 Warning: Undefined variable $dischargeunits in /var/www/html/ponce/onlinewsprofiles27.php on line 598 Discharge Q =                 Warning: Undefined variable $bottomwidth in /var/www/html/ponce/onlinewsprofiles27.php on line 599 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles27.php on line 599 Bottom width B =                 Warning: Undefined variable $sideslope in /var/www/html/ponce/onlinewsprofiles27.php on line 600 Warning: Undefined variable $slopeunits in /var/www/html/ponce/onlinewsprofiles27.php on line 600 Side slope z =    Warning: Undefined variable $manningsn in /var/www/html/ponce/onlinewsprofiles27.php on line 601 Manning's n =     Warning: Undefined variable $inputdepth in /var/www/html/ponce/onlinewsprofiles27.php on line 604 Warning: Undefined variable $criticaldepth in /var/www/html/ponce/onlinewsprofiles27.php on line 606 Warning: Undefined variable $factor in /var/www/html/ponce/onlinewsprofiles27.php on line 606 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles27.php on line 606 Downstream flow depth   yd =  0  [ yd was calculated by default ] Warning: Undefined variable $nintervals in /var/www/html/ponce/onlinewsprofiles27.php on line 613 Number of computational intervals n =                 Warning: Undefined variable $mintervals in /var/www/html/ponce/onlinewsprofiles27.php on line 614 Number of tabular output intervals m =    OUTPUT: Computational depth interval Δy =   Warning: Undefined variable $dy in /var/www/html/ponce/onlinewsprofiles27.php on line 621 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinewsprofiles27.php on line 621 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles27.php on line 621 0                     Tabular output depth interval (Δy)t =   Warning: Undefined variable $intervalp in /var/www/html/ponce/onlinewsprofiles27.php on line 622 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinewsprofiles27.php on line 622 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles27.php on line 622 0 Critical depth yc =   Warning: Undefined variable $criticaldepth in /var/www/html/ponce/onlinewsprofiles27.php on line 628 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinewsprofiles27.php on line 628 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles27.php on line 628 0                     Critical slope Sc =   Warning: Undefined variable $criticalslope in /var/www/html/ponce/onlinewsprofiles27.php on line 630 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinewsprofiles27.php on line 630 Warning: Undefined variable $slopeunits in /var/www/html/ponce/onlinewsprofiles27.php on line 630 0                      Bottom slope So =   Warning: Undefined variable $criticalslope in /var/www/html/ponce/onlinewsprofiles27.php on line 632 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinewsprofiles27.php on line 632 Warning: Undefined variable $slopeunits in /var/www/html/ponce/onlinewsprofiles27.php on line 632 0   k Depth Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles27.php on line 638 () Area Warning: Undefined variable $areaunits in /var/www/html/ponce/onlinewsprofiles27.php on line 639 () Velocity Warning: Undefined variable $velocityunits in /var/www/html/ponce/onlinewsprofiles27.php on line 640 () Velocity head Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles27.php on line 641 () Specific head Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles27.php on line 642 () Wetted perimeter Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles27.php on line 643 () Hydraulic radius Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles27.php on line 644 () Friction slope Warning: Undefined variable $slopeunits in /var/www/html/ponce/onlinewsprofiles27.php on line 645 () Average slope Warning: Undefined variable $slopeunits in /var/www/html/ponce/onlinewsprofiles27.php on line 646 () Specific head difference Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles27.php on line 647 () Length increment Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles27.php on line 648 () Depth gradient Warning: Undefined variable $slopeunits in /var/www/html/ponce/onlinewsprofiles27.php on line 649 () Total length Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles27.php on line 650 () 0 0 0 0 0 0 0 0 0 0 0 0 0 0   Your request was processed at  10:59:08 pm on April 3rd, 2025   [ 250403  22:59:08 ]. 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online calc
normal depth	critical depth	normal and critical depth		discharge in channel	critical slope
normal depth in culvert	critical depth in culvert	discharge in culvert		discharge sluice	discharge weir
M1 wsprofile	M2 wsprofile	M3 wsprofile	S1 wsprofile	S2 wsprofile	S3 wsprofile
C1 wsprofile	H2 wsprofile	A2 wsprofile	C3 wsprofile	H3 wsprofile	A3 wsprofile
sequent depth HJ	energy loss HJ	initial sequent HJ	efficiency HJ	critical width constriction
ogee spillway	Hazen-Williams	parallel pipes	three reservoirs	tractive force
V-notch weir	V-notch partially contracted	Cipolletti weir	Rectangular weir	Standard contracted rectangular weir	Standard suppressed rectangular weir
Froude number		Vedernikov number		Limiting contracting ratio
Creager	rational	slope-area	linear reservoir	storage indication 1	storage indication 2
Muskingum	Muskingum-Cunge	time-area	Clark UH	Cascade of linear reservoirs
USGS Methods for magnitude of floods in California	Kinematic wave applicability	Diffusion wave applicability	Clark's unit hydrography compared to Ponce's version	Correlation coefficient of a joint probability distribution	Storage volume of a detention basin
Blaney-Criddle	Penman	Penman-Monteith reference crop	Thornthwaite	Priestley-Taylor	Penman-Monteith ecosystems
Gumbel	Gumbel 2	Log Pearson	Log Pearson 2	TR-55 graphical	curve number
Overland flow using the diffusion wave method	Dynamic hydraulic diffusivity	convolution	S-hydrograph	time of concentration	water balance
UH cascade	dimensionless UH cascade		general UH cascade	series UH cascade	all series UH cascade
one-predictor linear	one-predictor nonlinear	two-predictor linear	two-predictor nonlinear	hyperbolic regression
fall velocity	Lane & Koelzer	USLE	USLE2	Dendy-Bolton	Shields
Duboys	Meyer-Peter	Colby 1957	Colby	reservoir design life	Equilibrium channel top width using the Lane et al. theory
Modified Einstein Procedure		bridge scour using Melville equation
DO sag	DO sag analysis		Oxygenation	Salinity (EC to TDS)