online_wsprofiles_24:   S1 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 bottom slope So (m/m) [ft/ft] :     Enter downstream flow depth yd (m) [ft] : (a subcritical subnormal flow depth) [ If left blank, a default value of yd = 3*y2 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/onlinewsprofiles24.php on line 561 Warning: Undefined variable $dischargeunits in /var/www/html/ponce/onlinewsprofiles24.php on line 561 Discharge Q =                 Warning: Undefined variable $bottomwidth in /var/www/html/ponce/onlinewsprofiles24.php on line 562 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles24.php on line 562 Bottom width B =                 Warning: Undefined variable $sideslope in /var/www/html/ponce/onlinewsprofiles24.php on line 563 Warning: Undefined variable $slopeunits in /var/www/html/ponce/onlinewsprofiles24.php on line 563 Side slope z =   Warning: Undefined variable $manningsn in /var/www/html/ponce/onlinewsprofiles24.php on line 564 Manning's n =                 Warning: Undefined variable $bottomslope in /var/www/html/ponce/onlinewsprofiles24.php on line 565 Warning: Undefined variable $slopeunits in /var/www/html/ponce/onlinewsprofiles24.php on line 565 Bottom slope So =   Warning: Undefined variable $inputdepth in /var/www/html/ponce/onlinewsprofiles24.php on line 568 Warning: Undefined variable $sequentdepth in /var/www/html/ponce/onlinewsprofiles24.php on line 570 Warning: Undefined variable $factor in /var/www/html/ponce/onlinewsprofiles24.php on line 570 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles24.php on line 570 Downstream flow depth   yd =  0   [ yd was calculated by default ] Warning: Undefined variable $nintervals in /var/www/html/ponce/onlinewsprofiles24.php on line 578 Number of computational intervals n =                 Warning: Undefined variable $mintervals in /var/www/html/ponce/onlinewsprofiles24.php on line 579 Number of tabular output intervals m =    OUTPUT: Computational depth interval Δy =   Warning: Undefined variable $dy in /var/www/html/ponce/onlinewsprofiles24.php on line 585 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinewsprofiles24.php on line 585 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles24.php on line 585 0                     Tabular output depth interval (Δy)t =   Warning: Undefined variable $intervalp in /var/www/html/ponce/onlinewsprofiles24.php on line 586 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinewsprofiles24.php on line 586 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles24.php on line 586 0 Normal depth y1 [ u/s of hydraulic jump ] =   Warning: Undefined variable $normaldepth in /var/www/html/ponce/onlinewsprofiles24.php on line 588 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinewsprofiles24.php on line 588 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles24.php on line 588 0                     Normal velocity v1 [ u/s of hydraulic jump ] =   Warning: Undefined variable $normalvelocity in /var/www/html/ponce/onlinewsprofiles24.php on line 590 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinewsprofiles24.php on line 590 Warning: Undefined variable $velocityunits in /var/www/html/ponce/onlinewsprofiles24.php on line 590 0                     Normal-depth Froude number F1 =   Warning: Undefined variable $fn in /var/www/html/ponce/onlinewsprofiles24.php on line 593 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinewsprofiles24.php on line 593 0 Sequent depth y2 [ d/s of hydraulic jump ] =   Warning: Undefined variable $sequentdepth in /var/www/html/ponce/onlinewsprofiles24.php on line 594 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinewsprofiles24.php on line 594 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles24.php on line 594 0 k Depth Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles24.php on line 600 () Area Warning: Undefined variable $areaunits in /var/www/html/ponce/onlinewsprofiles24.php on line 601 () Velocity Warning: Undefined variable $velocityunits in /var/www/html/ponce/onlinewsprofiles24.php on line 602 () Velocity head Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles24.php on line 603 () Specific head Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles24.php on line 604 () Wetted perimeter Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles24.php on line 605 () Hydraulic radius Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles24.php on line 606 () Friction slope Warning: Undefined variable $slopeunits in /var/www/html/ponce/onlinewsprofiles24.php on line 607 () Average slope Warning: Undefined variable $slopeunits in /var/www/html/ponce/onlinewsprofiles24.php on line 608 () Specific head difference Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles24.php on line 609 () Length increment Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles24.php on line 610 () Total length Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles24.php on line 611 () 0 0 0 0 0 0 0 0 0 0 0 0 0   Your request was processed at  04:36:26 am on April 3rd, 2025   [ 250403  04:36:26 ]. 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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)