DMSTA Simulation Results

Case:

IronBridge

Period:

01/01/90

to

12/31/98

Case:

Iron Bridge - Outlet Station = average of MM7 & MM8

Input Series

IB_MM78

Tanks in Series

6.0

Surface Area (km2)

3.1100

Simulation Period

01/01/90

thru

12/31/98

Mean Water Load  (cm/d)

2.0

Bypass Volume

0.0%

Output Period

01/01/90

thru

12/31/98

Max Water Load (cm/d)

2.5

Mean Depth (cm)

51

Startup Interval (days)

1461

Iterations

1

Inflow Conc  (ppb)

201.2

Max Depth (cm)

64

Avg Interval (days)

30

Inflow P Load (mg/m2-yr)

988

Freq Depth <  5 cm

0.0%

Parameter Set:

none

Outflow FWM  Conc (ppb)

37.3

Load Reduction

82%

K  (m/yr)

16.02

Sm (mg/m2)

0

Outflow C with Bypass

37.3

Time Freq Conc > 10 ppb

100%

C1 (ppb)

22.0

Sp (mg/m2)

0

95th Percentile (ppb)

50.0

Vol Freq Conc > 10 ppb

100%

C0  (ppb)

4.0

Qout Intercept

0.4

Outflow Geo. Mean (ppb)

37.5

Storage Turnover (1/yr)

6.2

Zx  (cm)

60

Qout Exponent

3.5

Outflow GM,  Q>0 (ppb)

37.5

Mean Stored P (mg/m2)

3491

Wtr Bal Error

0.0%

Knet-Plug Flow (m/yr)

10.3

Storage Inc/Net Removal

3%

Mass B Error

0.0%

Knet-NCSTR (m/yr)

12.0

Outfl. Seepage (cm/d/cm)

0

Ki

E/m2-d

0

0

Model 2

Mean Biomass (g/m2)

#N/A

Biomass Turnover (1/yr)

#N/A

Kb

1/d

0

0

"

Gross PP  (g/m2-d)

#N/A

Total Resp (g/m2-d)

#N/A

Kr

1/d/g/m2

0

0

"

Ka

1/d

0

0

"

Kc

ppb

0

0

"

Ke

1/d

0

0

"

Ku

mg/m2

0

0

"

Calibration  Statistics for Period:

01/01/94

thru

12/31/98

Mean

Mean

Count

Observed

Predicted

Residual

Resid%

RSE%

R2

Mean Depth (cm)

0

#N/A

#N/A

#N/A

#N/A

#N/A

#N/A

Flow (cm/day)

0

#N/A

#N/A

#N/A

#N/A

#N/A

#N/A

Flow-Wtd-Mean Conc (ppb)

58

38.5

35.3

3.3

9%

Geometric Mean Conc (ppb)

58

35.1

35.4

-0.3

-1%

41%

2%

Mean Conc (ppb)

58

38.7

35.3

3.4

10%

39%

0%

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)

58

0.69

0.63

0.06

9%

37%

11%

Obs Load2 = Predicted Flow x Obs Conc

Green lines on x axis of concentration plots indicate model calibration period.

06/07/02