DMSTA Simulation Results |
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Case: |
Sawgrass |
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Period: |
01/01/80 |
to |
09/30/99 |
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Case: |
lake/reservoir; depths estimated;
gap in inflow conc time series 1985-1990; high water load; short hrt ~ 1.5
days; 5-yr initialization;p simulation insensitive to calibration |
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Input Series |
sawgrass |
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Tanks in Series |
2.0 |
Surface Area (km2) |
1.9500 |
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Simulation Period |
12/01/74 |
thru |
09/30/99 |
Mean Water
Load (cm/d) |
81.6 |
Mean Depth (cm) |
130 |
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Output Period |
01/01/80 |
thru |
09/30/99 |
Max Water Load
(cm/d) |
646.1 |
Max Depth (cm) |
420 |
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Startup Interval (days) |
7761 |
Iterations |
1 |
Inflow Conc (ppb) |
107.1 |
Freq Depth
< 5 cm |
0.0% |
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Avg Interval (days) |
30 |
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Inflow P Load
(mg/m2-yr) |
45493 |
Load Reduction |
1% |
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Parameter Set: |
none |
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Outflow
FWM Conc (ppb) |
106.4 |
Time Freq
Conc > 10 ppb |
99% |
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K (m/yr) |
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0.49 |
Sm (mg/m2) |
0 |
Outflow C with Bypass |
106.4 |
Vol Freq Conc
> 10 ppb |
100% |
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C1 (ppb) |
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22.0 |
Sp (mg/m2) |
0 |
95th Percentile
(ppb) |
185.7 |
Storage Turnover (1/yr) |
0.2 |
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C0 (ppb) |
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4.0 |
Qout Intercept |
3.0 |
Outflow Geo.
Mean (ppb) |
84.6 |
Mean Stored P (mg/m2) |
3983 |
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Zx (cm) |
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60 |
Qout Exponent |
1.0 |
Outflow
GM, Q>0 (ppb) |
84.6 |
Storage Inc/Net
Removal |
87% |
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Wtr Bal Error |
0.0% |
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Knet-Plug Flow
(m/yr) |
2.4 |
Outfl. Seepage
(cm/d/cm) |
0 |
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Mass B Error |
-0.1% |
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Knet-NCSTR (m/yr) |
2.4 |
Seepage Loss |
0% |
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Ki |
E/m2-d |
0 |
0 |
Model 2 |
Mean Biomass (g/m2) |
#N/A |
Biomass Turnover (1/yr) |
#N/A |
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Kb |
1/d |
0 |
0 |
" |
Gross PP
(g/m2-d) |
#N/A |
Total Resp (g/m2-d) |
#N/A |
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Kr |
1/d/g/m2 |
0 |
0 |
" |
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Ka |
1/d |
0 |
0 |
" |
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Kc |
ppb |
0 |
0 |
" |
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Ke |
1/d |
0 |
0 |
" |
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Ku |
mg/m2 |
0 |
0 |
" |
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Calibration Statistics for Period: |
03/01/96 |
thru |
09/30/99 |
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Inflow P Conc (ppb) = |
139 |
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Mean |
Mean |
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HLR (cm/d) = |
89.9 |
Count |
Observed |
Predicted |
Residual |
Resid% |
RSE% |
R2 |
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Mean Depth (cm) |
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44 |
153.8 |
132.7 |
21.1 |
16% |
20% |
38% |
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Flow (cm/day) |
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0 |
#N/A |
#N/A |
#N/A |
#N/A |
#N/A |
#N/A |
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Flow-Wtd-Mean Conc (ppb) |
44 |
121.6 |
136.8 |
-15.2 |
-11% |
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Geometric Mean
Conc (ppb) |
44 |
122.5 |
141.3 |
-18.7 |
-13% |
24% |
77% |
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Mean Conc (ppb) |
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44 |
142.2 |
159.0 |
-16.9 |
-11% |
26% |
72% |
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Outflow Load
(mg/m2-d) |
0 |
#N/A |
#N/A |
#N/A |
#N/A |
#N/A |
#N/A |
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Pred Q x Conc (mg/m2-d) |
44 |
109.26 |
122.92 |
-13.65 |
-11% |
29% |
91% |
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![](sawgrass_files/dmsta_9163_image007.gif) ![](sawgrass_files/dmsta_9163_image008.gif) ![](sawgrass_files/dmsta_9163_image009.gif) ![](sawgrass_files/dmsta_9163_image010.gif) ![](sawgrass_files/dmsta_9163_image011.gif) ![](sawgrass_files/dmsta_9163_image012.gif)
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Obs Load2 =
Predicted Flow x Obs Conc |
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Green lines on x
axis of concentration plots indicate model calibration period. |
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10/29/03 |
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