onlinesideditch.php:   Normal depth in a roadside ditch using the Manning equation Definition sketch Formulas: z = 0.5 (z1 + z2) A = y(zy) P = y(1 + z12)1/2 + y(1 + z22)1/2 T = 2zy R = A/P D = A/T Q = (k/n) AR2/3S1/2 V = Q/A F = V/(gD)1/2 INPUT DATA: Select:     SI units (m3/s) U.S. Customary units (cfs) Discharge Q:       Warning: Undefined variable $dischargeunits in /var/www/html/ponce/onlinesideditch.php on line 322 Side slope z1:       Side slope z2:       Bottom slope S:       Manning's n coefficient:       INTERMEDIATE CALCULATIONS: Units:    Warning: Undefined variable $unitsystemsname in /var/www/html/ponce/onlinesideditch.php on line 361 Gravitational acceleration g: Warning: Undefined variable $g in /var/www/html/ponce/onlinesideditch.php on line 362 Warning: Undefined variable $accelerationunits in /var/www/html/ponce/onlinesideditch.php on line 362 Constant k:    Warning: Undefined variable $c in /var/www/html/ponce/onlinesideditch.php on line 363 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinesideditch.php on line 363 0 Wetted perimeter P:    Warning: Undefined variable $pn in /var/www/html/ponce/onlinesideditch.php on line 364 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinesideditch.php on line 364 0 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinesideditch.php on line 364 Top width T:    Warning: Undefined variable $tn in /var/www/html/ponce/onlinesideditch.php on line 365 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinesideditch.php on line 365 0 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinesideditch.php on line 365 Flow area A:    Warning: Undefined variable $an in /var/www/html/ponce/onlinesideditch.php on line 366 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinesideditch.php on line 366 0 Warning: Undefined variable $areaunits in /var/www/html/ponce/onlinesideditch.php on line 366 Hydraulic radius R:    Warning: Undefined variable $rn in /var/www/html/ponce/onlinesideditch.php on line 367 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinesideditch.php on line 367 0 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinesideditch.php on line 367 Hydraulic depth D:    Warning: Undefined variable $dn in /var/www/html/ponce/onlinesideditch.php on line 368 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinesideditch.php on line 368 0 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinesideditch.php on line 368 Normal depth yn:    Warning: Undefined variable $yn in /var/www/html/ponce/onlinesideditch.php on line 369 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinesideditch.php on line 369 0 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinesideditch.php on line 369 Mean velocity Vn:    Warning: Undefined variable $vn in /var/www/html/ponce/onlinesideditch.php on line 370 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinesideditch.php on line 370 0 Warning: Undefined variable $velocityunits in /var/www/html/ponce/onlinesideditch.php on line 370 Froude number Fn:    Warning: Undefined variable $fn in /var/www/html/ponce/onlinesideditch.php on line 372 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinesideditch.php on line 372 0 OUTPUT: Flow depth d =    Warning: Undefined variable $yn in /var/www/html/ponce/onlinesideditch.php on line 375 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinesideditch.php on line 375 0 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinesideditch.php on line 375 Partial width a =    Warning: Undefined variable $aa in /var/www/html/ponce/onlinesideditch.php on line 376 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinesideditch.php on line 376 0 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinesideditch.php on line 376 Partial width c =    Warning: Undefined variable $cc in /var/www/html/ponce/onlinesideditch.php on line 377 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinesideditch.php on line 377 0 Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinesideditch.php on line 377   Your request was processed at 250403 at 08:26:31. Thank you for running onlinesideditch.    [230124]