online_wsprofiles_25:   S2 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 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]:     Enter flow depth at the upstream boundary yd (m) [ft] [If left blank, program will use critical depth]:     To calculate critical depth, the program requires the following hydraulic and geometric data for the upstream channel: [Leave any box blank if the value is the same as the corresponding value entered above]. Enter u/s discharge Qu/s (m3/s) [cfs] :              Enter u/s bottom width Bu/s (m) [ft] :              Enter u/s size slope zu/s (z H:1 V):     ECHO OF INPUT: Warning: Undefined variable $discharge in /var/www/html/ponce/onlinewsprofiles25.php on line 684 Warning: Undefined variable $dischargeunits in /var/www/html/ponce/onlinewsprofiles25.php on line 684 Discharge Q =                 Warning: Undefined variable $bottomwidth in /var/www/html/ponce/onlinewsprofiles25.php on line 685 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles25.php on line 685 Bottom width B =                 Warning: Undefined variable $sideslope in /var/www/html/ponce/onlinewsprofiles25.php on line 686 Warning: Undefined variable $slopeunits in /var/www/html/ponce/onlinewsprofiles25.php on line 686 Side slope z =   Warning: Undefined variable $manningsn in /var/www/html/ponce/onlinewsprofiles25.php on line 688 Manning's n =                 Warning: Undefined variable $bottomslope in /var/www/html/ponce/onlinewsprofiles25.php on line 689 Warning: Undefined variable $slopeunits in /var/www/html/ponce/onlinewsprofiles25.php on line 689 Bottom slope So =   Warning: Undefined variable $nintervals in /var/www/html/ponce/onlinewsprofiles25.php on line 690 Number of computational intervals n =                 Warning: Undefined variable $mintervals in /var/www/html/ponce/onlinewsprofiles25.php on line 691 Number of tabular output intervals m =    Warning: Undefined variable $inputdepth in /var/www/html/ponce/onlinewsprofiles25.php on line 693 Warning: Undefined variable $criticaldepth in /var/www/html/ponce/onlinewsprofiles25.php on line 695 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinewsprofiles25.php on line 695 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles25.php on line 695 Flow depth at the upstream boundary   yc =  0 [ yc was calculated by default ] Warning: Undefined variable $dischargeus in /var/www/html/ponce/onlinewsprofiles25.php on line 703 Warning: Undefined variable $dischargeunits in /var/www/html/ponce/onlinewsprofiles25.php on line 703 Discharge Qu/s =                 Warning: Undefined variable $bottomwidthus in /var/www/html/ponce/onlinewsprofiles25.php on line 704 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles25.php on line 704 Bottom width Bu/s =                 Warning: Undefined variable $sideslopeus in /var/www/html/ponce/onlinewsprofiles25.php on line 705 Warning: Undefined variable $slopeunits in /var/www/html/ponce/onlinewsprofiles25.php on line 705 Side slope zu/s =                 OUTPUT: Computational depth interval Δy =   Warning: Undefined variable $dy in /var/www/html/ponce/onlinewsprofiles25.php on line 711 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinewsprofiles25.php on line 711 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles25.php on line 711 0                     Tabular output depth interval (Δy)t =   Warning: Undefined variable $intervalp in /var/www/html/ponce/onlinewsprofiles25.php on line 712 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinewsprofiles25.php on line 712 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles25.php on line 712 0 Normal depth yn =   Warning: Undefined variable $normaldepth in /var/www/html/ponce/onlinewsprofiles25.php on line 714 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinewsprofiles25.php on line 714 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles25.php on line 714 0                     Normal-depth Froude number Fn =   Warning: Undefined variable $fn in /var/www/html/ponce/onlinewsprofiles25.php on line 715 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinewsprofiles25.php on line 715 0 k Depth Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles25.php on line 721 () Area Warning: Undefined variable $areaunits in /var/www/html/ponce/onlinewsprofiles25.php on line 722 () Velocity Warning: Undefined variable $velocityunits in /var/www/html/ponce/onlinewsprofiles25.php on line 723 () Velocity head Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles25.php on line 724 () Specific head Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles25.php on line 725 () Wetted perimeter Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles25.php on line 726 () Hydraulic radius Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles25.php on line 727 () Friction slope Warning: Undefined variable $slopeunits in /var/www/html/ponce/onlinewsprofiles25.php on line 728 () Average slope Warning: Undefined variable $slopeunits in /var/www/html/ponce/onlinewsprofiles25.php on line 729 () Specific head difference Warning: Undefined variable $slopeunits in /var/www/html/ponce/onlinewsprofiles25.php on line 730 () Length increment Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles25.php on line 731 () Total length Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewsprofiles25.php on line 732 () 0 0 0 0 0 0 0 0 0 0 0 0 0   Your request was processed at  04:34:55 am on April 3rd, 2025   [ 250403  04:34:55 ]. Thank you for running online_wsprofiles_25.   Please call again.   [Version 1.0.0,   070502]

 

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)