DMSTA Simulation Results Case: Harney Period: 10/01/81 to 12/31/98
Case: lake/reservoir with 2 tributary arms; P data monthly; gap in inflow conc time series 1985-1989; 5-yr initialization; short HRT & high water load
Input Series Harney Tanks in Series 2.0 Surface Area (km2) 24.5200
Simulation Period 07/01/77 thru 12/31/98 Mean Water Load  (cm/d) 20.1 Mean Depth (cm) 171
Output Period 10/01/81 thru 12/31/98 Max Water Load (cm/d) 98.6 Max Depth (cm) 520
Startup Interval (days) 4475 Iterations 1 Inflow Conc  (ppb) 66.0 Freq Depth <  5 cm 0.0%
Avg Interval (days) 30 Inflow P Load (mg/m2-yr) 4047 Load Reduction 4%
Parameter Set:   none Outflow FWM  Conc (ppb) 63.3 Time Freq Conc > 10 ppb 100%
K  (m/yr) 5.27 Sm (mg/m2)  0 Outflow C with Bypass 63.3 Vol Freq Conc > 10 ppb 100%
C1 (ppb) 22.0 Sp (mg/m2) 0 95th Percentile (ppb) 103.8 Storage Turnover (1/yr) 1.7
C0  (ppb) 4.0 Qout Intercept 1.2 Outflow Geo. Mean (ppb) 60.4 Mean Stored P (mg/m2) 3497
Zx  (cm) 60 Qout Exponent 1.0 Outflow GM,  Q>0 (ppb) 60.4 Storage Inc/Net Removal -40%
Wtr Bal Error 0.0% Knet-Plug Flow (m/yr) 3.6 Outfl. Seepage (cm/d/cm) 0
Mass B Error 0.0% Knet-NCSTR (m/yr) 3.6 Seepage Loss 0%
Calibration  Statistics for Period: 10/01/89 thru 12/31/98
Inflow P Conc (ppb)  = 50 Mean Mean
HLR (cm/d) = 22.1 Count Observed Predicted Residual Resid% RSE% R2
Mean Depth (cm) 113 201.1 179.2 21.9 12% 19% 59%
Flow (cm/day) 0 #N/A #N/A #N/A #N/A #N/A #N/A
Flow-Wtd-Mean Conc (ppb) 113 50.7 48.0 2.7 6%
Geometric Mean Conc (ppb) 113 49.2 47.4 1.9 4% 28% 38%
Mean Conc (ppb) 113 52.4 49.2 3.2 6% 31% 19%
Outflow Load (mg/m2-d) 0 #N/A #N/A #N/A #N/A #N/A #N/A
Pred Q x Conc (mg/m2-d) 113 11.21 10.61 0.59 6% 29% 89%
 
 
Obs Load2 = Predicted Flow x Obs Conc
Green lines on x axis of concentration plots indicate model calibration period.
10/29/03