online_cipolletti:   Calculation of discharge through a Cipolletti weir Formula: Q = 3.367 L H3/2          [in U.S. Units] Head H on the weir, in m [or ft] Length L on the weir, in m [or ft] Height P to the weir crest, in m [or ft] Side width b, in m [or ft] Discharge Q  in L/s [or cfs] See USBR Manual for general methodology INPUT DATA:       [Description] Select Units:      SI (metric) U.S. Customary Head H :         Warning: Undefined variable $headunits in /var/www/html/ponce/onlinecipolletti.php on line 184 [ H > 0 ] Length L :         Warning: Undefined variable $headunits in /var/www/html/ponce/onlinecipolletti.php on line 191 [ L > 0 ] Height P :         Warning: Undefined variable $headunits in /var/www/html/ponce/onlinecipolletti.php on line 198 [ P > 0 ] Width b :         Warning: Undefined variable $headunits in /var/www/html/ponce/onlinecipolletti.php on line 205 [ b > 0 ] OUTPUT: Warning: Undefined variable $ratiopoh in /var/www/html/ponce/onlinecipolletti.php on line 216 Warning: Undefined variable $ratiopoh in /var/www/html/ponce/onlinecipolletti.php on line 218 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinecipolletti.php on line 218 Warning:  Ratio P/H = 0 < 2. Warning: Undefined variable $ratioboh in /var/www/html/ponce/onlinecipolletti.php on line 221 Warning: Undefined variable $ratioboh in /var/www/html/ponce/onlinecipolletti.php on line 223 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinecipolletti.php on line 223 Warning:  Ratio b/H = 0 < 2. Discharge  Q :   Warning: Undefined variable $discharge in /var/www/html/ponce/onlinecipolletti.php on line 229 Deprecated: round(): Passing null to parameter #1 ($num) of type int|float is deprecated in /var/www/html/ponce/onlinecipolletti.php on line 229 0   Warning: Undefined variable $dischargeunits in /var/www/html/ponce/onlinecipolletti.php on line 229   Your request was processed at  04:34:54 am on April 3rd, 2025   [ 250403  04:34:54 ]. Thank you for running   online_cipolletti   Please call again.   [131027]