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| Hydrologic
modeling - Old Woman Creek - Erie County |
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| 2,728
acres in watershed |
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| 192
acres changed from Agricultural, Rangeland, or Forest to Urban or Buil-up
land from 1994 to 2005 equaling a 7% growth |
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| Larger
Image |
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| Landuse Breakdown |
| 159.7 |
acres of Aggricultural developed |
x (0.30 Aggricultural
Coefficient minus 0.70 urban or built-up land use coefficient) |
63.88 |
additional c.f.s.runoff for a 25 year storm [Q=ACi] |
| 0.16 |
acres of Rangeland developed |
x (0.25Rangeland Coefficient
minus 0.70 urban or built-up land use coefficient) |
0.072 |
additional c.f.s.runoff for a 25 year storm [Q=ACi] |
| 29.57 |
acres of Forest developed |
x (0.15Forest Coefficient minus
0.70 urban or built-up land use coefficient) |
0.088 |
additional c.f.s.runoff for a 25 year storm [Q=ACi] |
| 0.001 |
acres of Water developed |
x (0.00 Water Coefficient minus
0.70 urban or built-up land use coefficient) |
0.0007 |
additional c.f.s.runoff for a 25 year storm [Q=ACi] |
| 2.423 |
acres of Wetland developed |
x (0.05 Wetland Coefficient
minus 0.70 urban or built-up land use coefficient) |
1.57495 |
additional c.f.s.runoff for a 25 year storm [Q=ACi] |
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Creating a total of |
65.6157 |
additional c.f.s.
runoff in this watershed |
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