DMSTA Simulation Results Case: Lakeland Period: 01/01/93 to 09/30/99
Case: High inlet P ~6000 ppb; clay soils; built on phosphate mine; poor hydraulics; used 10 iterations to stabilize biomass P
Input Series lakeland Tanks in Series 6.0 Surface Area (km2) 4.8142
Simulation Period 01/01/93 thru 09/30/99 Mean Water Load  (cm/d) 1.2 Mean Depth (cm) 115
Output Period 01/01/93 thru 09/30/99 Max Water Load (cm/d) 2.4 Max Depth (cm) 115
Startup Interval (days) 1247 Iterations 10 Inflow Conc  (ppb) 4771.5 Freq Depth <  5 cm 0.0%
Avg Interval (days) 30 Inflow P Load (mg/m2-yr) 12824 Load Reduction 36%
Parameter Set:   none Outflow FWM  Conc (ppb) 3025.1 Time Freq Conc > 10 ppb 89%
K  (m/yr) 1.29 Sm (mg/m2)  0 Outflow C with Bypass 3025.1 Vol Freq Conc > 10 ppb 100%
C1 (ppb) 22.0 Sp (mg/m2) 0 95th Percentile (ppb) 3045.0 Storage Turnover (1/yr) 21.8
C0  (ppb) 4.0 Qout Intercept 0.5 Outflow Geo. Mean (ppb) 3030.1 Mean Stored P (mg/m2) 204928
Zx  (cm) 60 Qout Exponent 4.0 Outflow GM,  Q>0 (ppb) 3028.9 Storage Inc/Net Removal 0%
Wtr Bal Error 0.0% Knet-Plug Flow (m/yr) 1.2 Outfl. Seepage (cm/d/cm) 0
Mass B Error -0.1% Knet-NCSTR (m/yr) 1.3 Seepage Loss 0%
Calibration  Statistics for Period: 06/01/96 thru 09/30/99
Inflow P Conc (ppb)  = 4716 Mean Mean
HLR (cm/d) = 0.7 Count Observed Predicted Residual Resid% RSE% R2
Mean Depth (cm) 41 115.9 114.5 1.4 1% 2% #N/A
Flow (cm/day) 41 0.63 0.72 -0.10 -13% 51% 41%
Flow-Wtd-Mean Conc (ppb) 39 2921.6 3023.8 -102.3 -3%
Geometric Mean Conc (ppb) 39 3003.9 3028.2 -24.3 -1% 22% 0%
Mean Conc (ppb) 39 3086.7 3026.1 60.7 2% 19% 0%
Outflow Load (mg/m2-d) 41 18.09 21.86 -3.77 -17% 52% 13%
Pred Q x Conc (mg/m2-d) 41 21.47 21.86 -0.39 -2% 25% 73%
 
 
Obs Load2 = Predicted Flow x Obs Conc
Green lines on x axis of concentration plots indicate model calibration period.
10/29/03