| Sensitivity Analysis |
Case: |
E25-NE75 |
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File: |
test_data.xls |
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Input Variable
Set: |
All |
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Run Date: |
06/15/02 |
| Option |
Value |
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Number
of Model Runs Required = |
38 |
Estimated Run Time
= |
58.9 |
minutes |
| Select Sensitivity Scale
Factor ---> |
25% |
Modify Each Input
Variable by +/- This Percentage |
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Adjusts
Each non-Zero Input Variable, One at a Time, & Re-Runs Simulation |
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| Select Input Parameter Set
------> |
1 |
1 = All, 2 = P
Cycling Only, 3 = Design Features Only |
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Shows
Results for Combined Outflow from Entire Treatment Area |
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| Select Test Option
------------> |
1 |
1 = High Results Only, 2 = High & Low Results |
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High Results
----> |
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Low Results
------> |
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Average Change ----> |
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Average % Change --> |
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Cell Number |
Input Value - Base |
Input Value - High |
Treated FWM Outflow Conc |
Total FWM Outflow Conc |
Outflow Geo Mean -
Composites |
Total Outflow Load |
Input
Value - Low |
Treated FWM Outflow Conc |
Total FWM Outflow Conc |
Outflow Geo Mean - Composites |
Total Outflow Load |
Treated FWM Outflow
Conc |
Total FWM Outflow Conc |
Outflow Geo Mean - Composites |
Total Outflow Load |
Treated FWM Outflow Conc |
Total FWM Outflow Conc |
Outflow Geo Mean - Composites |
Total Outflow Load |
| Input
Variable |
- |
- |
- |
ppb |
ppb |
ppb |
kg/yr |
- |
ppb |
ppb |
ppb |
kg/yr |
ppb |
ppb |
ppb |
kg/yr |
% |
% |
% |
% |
| Base Run |
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27.8 |
27.8 |
15.4 |
7270 |
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| C0 = WC Conc at
0 g/m2 P Storage |
2 |
12.0 |
15.0 |
32.3 |
32.3 |
18.1 |
8456 |
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4.5 |
4.5 |
2.8 |
1185 |
16% |
16% |
18% |
16% |
| Inflow Fraction |
1 |
1.0 |
1.3 |
31.0 |
31.0 |
16.5 |
10334 |
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3.2 |
3.3 |
1.1 |
3064 |
12% |
12% |
7% |
42% |
| Surface Area |
2 |
19.5 |
24.4 |
24.7 |
24.7 |
14.2 |
6347 |
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-3.1 |
-3.1 |
-1.2 |
-923 |
-11% |
-11% |
-8% |
-13% |
| K = Net Settling Rate at
Steady State |
2 |
128.7 |
160.9 |
26.6 |
26.6 |
14.5 |
6972 |
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-1.1 |
-1.1 |
-0.9 |
-299 |
-4% |
-4% |
-6% |
-4% |
| C0 - Periphyton |
2 |
4.0 |
5.0 |
28.8 |
28.8 |
16.0 |
7553 |
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1.1 |
1.1 |
0.6 |
283 |
4% |
4% |
4% |
4% |
| K -
Periphyton |
2 |
23.8 |
29.8 |
27.0 |
27.0 |
14.8 |
7061 |
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-0.8 |
-0.8 |
-0.5 |
-209 |
-3% |
-3% |
-4% |
-3% |
| Sm = Transition Storage
Midpoint |
2 |
400.0 |
500.0 |
27.1 |
27.1 |
15.6 |
7098 |
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-0.7 |
-0.7 |
0.2 |
-172 |
-2% |
-2% |
1% |
-2% |
| Surface Area |
1 |
6.5 |
8.1 |
27.1 |
27.1 |
15.2 |
7061 |
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-0.6 |
-0.6 |
-0.2 |
-209 |
-2% |
-2% |
-1% |
-3% |
| C1 = WC Conc at 1 g/m2 P
storage |
2 |
22.0 |
27.5 |
27.131 |
27.1 |
15.2 |
7106 |
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-0.6 |
-0.6 |
-0.2 |
-164 |
-2% |
-2% |
-1% |
-2% |
| Number of Tanks in Series |
2 |
6.0 |
7.5 |
27.2 |
27.2 |
14.9 |
7121 |
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-0.6 |
-0.6 |
-0.5 |
-149 |
-2% |
-2% |
-3% |
-2% |
| K = Net Settling Rate at
Steady State |
1 |
15.7 |
19.6 |
27.2 |
27.2 |
15.2 |
7129 |
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-0.5 |
-0.5 |
-0.2 |
-141 |
-2% |
-2% |
-1% |
-2% |
| Zx = Depth Scale Factor |
2 |
60.0 |
75.0 |
28.3 |
28.3 |
16.4 |
7409 |
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0.5 |
0.5 |
1.0 |
139 |
2% |
2% |
7% |
2% |
| Mean Width of Flow Path |
2 |
4.8 |
6.0 |
28.1 |
28.1 |
15.5 |
7368 |
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0.3 |
0.3 |
0.1 |
98 |
1% |
1% |
1% |
1% |
| Outflow Coefficient -
Intercept |
2 |
0.8 |
1.0 |
28.1 |
28.1 |
15.5 |
7368 |
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0.3 |
0.3 |
0.1 |
98 |
1% |
1% |
1% |
1% |
| Outflow Control Depth |
2 |
60.0 |
75.0 |
27.4 |
27.5 |
15.5 |
7111 |
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-0.3 |
-0.3 |
0.1 |
-159 |
-1% |
-1% |
1% |
-2% |
| C1 - Periphyton |
2 |
22.0 |
27.5 |
27.5 |
27.5 |
15.9 |
7200 |
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-0.3 |
-0.3 |
0.5 |
-70 |
-1% |
-1% |
3% |
-1% |
| C0 = WC Conc at
0 g/m2 P Storage |
1 |
4.0 |
5.0 |
28.0 |
28.0 |
15.4 |
7329 |
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0.2 |
0.2 |
0.0 |
59 |
1% |
1% |
0% |
1% |
| Zx = Depth Scale Factor |
1 |
60.0 |
75.0 |
27.6 |
27.6 |
15.4 |
7222 |
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-0.2 |
-0.2 |
0.0 |
-48 |
-1% |
-1% |
0% |
-1% |
| Outflow Control Depth |
1 |
60.0 |
75.0 |
27.9 |
27.9 |
15.5 |
7291 |
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0.2 |
0.2 |
0.2 |
21 |
1% |
1% |
1% |
0% |
| Seepage Recycle Fraction |
2 |
0.5 |
0.6 |
27.6 |
27.6 |
15.2 |
7340 |
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-0.1 |
-0.1 |
-0.2 |
70 |
-1% |
-1% |
-1% |
1% |
| Outflow Seepage Rate |
2 |
0.0 |
0.0 |
27.9 |
27.9 |
15.6 |
7202 |
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0.1 |
0.1 |
0.2 |
-68 |
1% |
1% |
2% |
-1% |
| Mean Width of Flow Path |
1 |
4.8 |
6.0 |
27.8 |
27.8 |
15.4 |
7296 |
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0.1 |
0.1 |
0.1 |
26 |
0.3% |
0.3% |
0.4% |
0.4% |
| Outflow Coefficient -
Intercept |
1 |
0.8 |
1.0 |
27.8 |
27.8 |
15.4 |
7296 |
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0.1 |
0.1 |
0.1 |
26 |
0% |
0% |
0% |
0% |
| Seepage Recycle Fraction |
1 |
0.5 |
0.6 |
27.7 |
27.7 |
15.3 |
7290 |
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-0.1 |
-0.1 |
-0.1 |
20 |
0% |
0% |
0% |
0% |
| Rainfall P Conc |
1 |
10.0 |
12.5 |
27.8 |
27.8 |
15.5 |
7287 |
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0.1 |
0.1 |
0.1 |
17 |
0% |
0% |
1% |
0% |
| Number of Tanks in Series |
1 |
3.0 |
3.8 |
27.7 |
27.7 |
15.3 |
7260 |
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0.0 |
0.0 |
0.0 |
-10 |
0% |
0% |
0% |
0% |
| Outflow Seepage Rate |
1 |
0.0 |
0.0 |
27.8 |
27.8 |
15.4 |
7240 |
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0.0 |
0.0 |
0.0 |
-30 |
0% |
0% |
0% |
0% |
| Max Outflow Seepage Conc |
1 |
20.0 |
25.0 |
27.8 |
27.8 |
15.4 |
7272 |
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0.0 |
0.0 |
0.0 |
2 |
0% |
0% |
0% |
0% |
| Sb = Transition Storage
Bandwidth |
2 |
80.0 |
100.0 |
27.8 |
27.8 |
15.4 |
7269 |
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0.0 |
0.0 |
0.0 |
-1 |
0% |
0% |
0% |
0% |
| Max Outflow Seepage Conc |
2 |
20.0 |
25.0 |
27.8 |
27.8 |
15.4 |
7271 |
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0.0 |
0.0 |
0.0 |
1 |
0% |
0% |
0% |
0% |
| C1 = WC Conc at 1 g/m2 P
storage |
1 |
22.0 |
27.5 |
27.8 |
27.8 |
15.4 |
7269 |
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0.0 |
0.0 |
0.0 |
-1 |
0% |
0% |
0% |
0% |
| Atmospheric P Load (Dry) |
1 |
20.0 |
25.0 |
27.8 |
27.8 |
15.4 |
7270 |
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0.0 |
0.0 |
0.1 |
0 |
0% |
0% |
1% |
0% |
| Bypass Depth |
2 |
140.0 |
175.0 |
27.8 |
27.8 |
15.4 |
7270 |
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0.0 |
0.0 |
0.0 |
0 |
0% |
0% |
0% |
0% |
| Bypass Depth |
1 |
140.0 |
175.0 |
27.8 |
27.8 |
15.4 |
7270 |
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0.0 |
0.0 |
0.0 |
0 |
0% |
0% |
0% |
0% |
| Inflow Seepage Conc |
1 |
20.0 |
25.0 |
27.8 |
27.8 |
15.4 |
7270 |
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0.0 |
0.0 |
0.0 |
0 |
0% |
0% |
0% |
0% |
| Inflow Seepage Conc |
2 |
20.0 |
25.0 |
27.8 |
27.8 |
15.4 |
7270 |
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0.0 |
0.0 |
0.0 |
0 |
0% |
0% |
0% |
0% |
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