DMSTA Simulation Results Case: Okee Period: 01/01/73 to 12/31/99
Case: Lake Okeechobee - calibraton to 1973-1999 monthly water & phosphorus budgets; observed concentrations in pelagic zone
Input Series okee_mo Tanks in Series 1.0 Surface Area (km2) 1732.0000
Simulation Period 11/01/72 thru 12/31/99 Mean Water Load  (cm/d) 0.7 Bypass Volume 0.0%
Output Period 01/01/73 thru 12/31/99 Max Water Load (cm/d) 2.6 Mean Depth (cm) 265
Startup Interval (days) 3713 Iterations 1 Inflow Conc  (ppb) 181.6 Max Depth (cm) 363
Avg Interval (days) 90 Inflow P Load (mg/m2-yr) 256 Freq Depth <  5 cm 0.0%
Parameter Set:   none Outflow FWM  Conc (ppb) 91.4 Load Reduction 58%
K  (m/yr) 0.60 Sm (mg/m2)  0 Outflow C with Bypass 91.4 Time Freq Conc > 10 ppb 30%
C1 (ppb) 22.0 Sp (mg/m2) 0 95th Percentile (ppb) 107.5 Vol Freq Conc > 10 ppb 100%
C0  (ppb) 4.0 Qout Intercept 0.0 Outflow Geo. Mean (ppb) 87.1 Storage Turnover (1/yr) 0.2
Zx  (cm) 60 Qout Exponent 0.0 Outflow GM,  Q>0 (ppb) 87.2 Mean Stored P (mg/m2) 3939
Wtr Bal Error 0.0% Knet-Plug Flow (m/yr) 1.2 Storage Inc/Net Removal 74%
Mass B Error -0.1% Knet-NCSTR (m/yr) 1.9 Outfl. Seepage (cm/d/cm) 0
Calibration  Statistics for Period: 01/01/83 thru 12/31/99 Mean Mean
Count Observed Predicted Residual Resid% RSE% R2
Mean Depth (cm) 69 273.7 270.8 2.9 1% 1% 99%
Flow (cm/day) 69 0.29 0.36 -0.06 -18% 63% 70%
Flow-Wtd-Mean Conc (ppb) 66 95.7 92.0 3.8 4%
Geometric Mean Conc (ppb) 66 93.0 94.0 -1.0 -1% 26% 4%
Mean Conc (ppb) 66 100.6 94.4 6.2 7% 26% 3%
Outflow Load (mg/m2-d) 69 0.33 0.34 -0.02 -5% 70% 73%
Pred Q x Conc (mg/m2-d) 69 0.36 0.34 0.01 4% 43% 88%
 
 
Obs Load2 = Predicted Flow x Obs Conc
Green lines on x axis of concentration plots indicate model calibration period.
06/28/02