Scientific Investigations Report 2007–5008
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5008
Table 3. Detroit Lake model goodness-of-fit statistics for calendar years 2002 and 2003 and a storm event in January 2006.
[Comparisons include profiles at three locations in the lake in 2002 and 2003, and at four locations in 2006. Abbreviations: °C, degree Celsius; mg/L, milligram per liter; µS/cm, microsiemens per centimeter]
| Year 2002 |
Year 2003 |
January 2006 |
|
|---|---|---|---|
| Number of profiles | 36 | 42 | 4 |
| Mean Error (ME) | |||
| Temperature (°C) | -0.02 | -0.34 | -0.48 |
| Specific conductance (µS/cm) | 1.49 | 1.32 | -0.15 |
| Suspended sediment (mg/L) from turbidity | -0.24 | -0.25 | .17 |
| Suspended sediment (mg/L) | -0.61 | -0.45 | -1.68 |
| Mean Absolute Error (MAE) | |||
| Temperature (°C) | 0.52 | 0.58 | 0.48 |
| Specific conductance (µS/cm) | 2.11 | 1.74 | 1.31 |
| Suspended sediment (mg/L) from turbidity | 0.55 | 0.43 | 3.06 |
| Suspended sediment (mg/L) | 0.91 | 0.80 | 3.34 |
| Root Mean Square Error (RMSE) | |||
| Temperature (°C) | 0.69 | 0.76 | 0.51 |
| Specific conductance (µS/cm) | 2.42 | 2.55 | 3.13 |
| Suspended sediment (mg/L) from turbidity | 0.73 | 0.68 | 4.28 |
| Suspended sediment (mg/L) | 1.16 | 1.04 | 3.92 |
U.S.
Department of the Interior | U.S. Geological
Survey
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