online_modified_einstein:   Total sediment discharge by the Modified Einstein Procedure    (Version 2.0 Beta 160218) References Einstein, H. A., 1950. The bed-load function for sediment transportation in open channel flows. USDA Soil Conservation Service, Technical Bulletin No. 1026, Washington, D.C., September. Colby, B. R. and C. H. Hembree, 1955. Computations of total sediment discharge, Niobrara river, near Cody, Nebraska. U.S. Geological Survey Water Supply Paper 1357, Washington, D.C. U.S. Bureau of Reclamation, 1955. Step method for computing total sediment load by the Modified Einstein Procedure. Sedimentation Section, Hydrology Branch, Project Investigations Division, July. U.S. Bureau of Reclamation, 1966. Computation of "Z's" for use in the Modified Einstein Procedure. Sedimentation Section, Hydrology Branch, Project Investigations Division, June. INPUT DATA: [Sample input]     [Rationale]     [Procedure]     [Features] Stream or river (optional):   Select:    U.S. Customary units SI units (metric)   U.S. Customary or SI units [Default: U.S. Customary Units]. 1. Discharge Q [cfs] (m3/s):      Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3030 Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3034 Warning: Undefined variable $dischargeunits in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3036 2. Mean velocity u [fps] (m/s):      Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3049 Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3053 Warning: Undefined variable $velocityunits in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3055 3. Average depth d [ft] (m):      Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3068 Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3072 Warning: Undefined variable $depthunits in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3074 4. Width w [ft] (m):      Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3087 Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3091 Warning: Undefined variable $depthunits in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3093 Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3101 Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3106  5. Flow area A = 0   Warning: Undefined variable $areaunits in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3109  6. Water temperature t [oF] (oC):      Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3122 Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3126 Warning: Undefined variable $temperatureunits in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3128 Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3137 Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3142 Warning: Undefined variable $viscosity in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3144 Deprecated: number_format(): Passing null to parameter #1 ($num) of type float is deprecated in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3144   7. Kinematic viscosity ν = 0.00000000   Warning: Undefined variable $viscosityunits in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3145   8. Diameter D65 [ft] (mm):      Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3158 Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3162 Warning: Undefined variable $diameterunits in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3164   9. Diameter D35 [ft] (mm):      Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3176 Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3180 Warning: Undefined variable $diameterunits in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3182 10. Measured concentration C [ppm] (ppm):      Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3194 Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3198 Warning: Undefined variable $concentrationunits in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3200 Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3209 Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3214  11. Sampled suspended load Qsm = 0   Warning: Undefined variable $loadunits in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3217 12. Vertical distance not sampled dn [ft] (m):      Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3229 Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3233 Warning: Undefined variable $depthunits in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3235 13. Mean water depth at sampled verticals ds [ft] (m):      Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3247 Warning: Undefined variable $unitsystems in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3251 Warning: Undefined variable $depthunits in /var/www/html/ponce/onlinemodifiedeinstein.php on line 3253 14. Number of size fractions:     Normal Long   Normal has 9 size fractions (1 fine and 8 coarse); Long has 10 size fractions (2 fine and 8 coarse) [Default: Normal]. 15. Enter fraction of bed material in each size range (make sure it is 9 values for Normal; 10 values for Long) (separate each value with a comma; maximum character length is 100 characters). ib:      16. Enter percentage of suspended material in each size range (make sure it is 9 values for Normal; 10 values for Long) (separate each value with a comma; maximum character length is 100 characters). Q's:      17. Z' mode of computation:     USBR (1955) USBR (1966)   See No. 6 in Features [Default: USBR (1955)].

OUTPUT: NORMAL 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 i Size fraction (mm) D (mm) D (ft) ψ φ*/2 1200 D3/2 ib ibqb 43.2 w iBQB (T/D) % Size Q's Q's (T/D) Mult. Z' A" J'1 -J'2 J"1 -J"2 PJ"1+J"2 ________ PJ'1+J'2 I"1 -I"2 PI"1+I"2+1 Computed load (T/D) 1 0.002-0.0625 0.0112 0.000037                                           2 0.0625-0.125 0.0884 0.00029                                           3 0.125-0.25 0.177 0.00058                                           4 0.25-0.5 0.354 0.00116                                           5 0.5-1 0.707 0.00232                                           6 1-2 1.41 0.00464                                           7 2-4 2.83 0.00928                                           8 4-8 5.66 0.01856                                           9 8-16 11.31 0.03712                                           - Total                                               LONG 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 i Size fraction (mm) D (mm) D (ft) ψ φ*/2 1200 D3/2 ib ibqb 43.2 w iBQB (T/D) % Size Q's Q's (T/D) Mult. Z' A" J'1 -J'2 J"1 -J"2 PJ"1+J"2 ________ PJ'1+J'2 I"1 -I"2 PI"1+I"2+1 Computed load (T/D) 1 0.002-0.0156 0.0056 0.000018                                           2 0.0156-0.0625 0.0312 0.00010                                           3 0.0625-0.125 0.0884 0.00029                                           4 0.125-0.25 0.177 0.00058                                           5 0.25-0.5 0.354 0.00116                                           6 0.5-1 0.707 0.00232                                           7 1-2 1.41 0.00464                                           8 2-4 2.83 0.00928                                           9 4-8 5.66 0.01856                                           10 8-16 11.31 0.03712                                           - Total                                                 Your request was processed at  04:21:06 am on April 3rd, 2025   [ 250403  04:21:06 ]. Thank you for running online_modified_einstein.   [200818]