|
|
|
|
|
|
| Hydrologic
modeling - Old Woman Creek at Mouth - Erie County |
|
| 142.8
acres in watershed |
|
|
| 13
acres changed from Agricultural, Rangeland, or Forest to Urban or Buil-up
land from 1994 to 2005 equaling a 9% growth |
|
|
|
|
|
|
|
| Larger Image |
|
|
|
| Landuse Breakdown |
| 11.7 |
acres of Aggricultural developed |
x (0.30 Aggricultural
Coefficient minus 0.70 urban or built-up land use coefficient) |
4.68 |
additional c.f.s.runoff for a 25 year storm [Q=ACi] |
| 1.3 |
acres of Rangeland developed |
x (0.25Rangeland Coefficient
minus 0.70 urban or built-up land use coefficient) |
0.585 |
additional c.f.s.runoff for a 25 year storm [Q=ACi] |
| 0.14 |
acres of Forest developed |
x (0.15Forest Coefficient minus
0.70 urban or built-up land use coefficient) |
0.715 |
additional c.f.s.runoff for a 25 year storm [Q=ACi] |
| 0.3 |
acres of Water developed |
x (0.00 Water Coefficient minus
0.70 urban or built-up land use coefficient) |
0.21 |
additional c.f.s.runoff for a 25 year storm [Q=ACi] |
| 13.5 |
acres of Wetland developed |
x (0.05 Wetland Coefficient
minus 0.70 urban or built-up land use coefficient) |
8.775 |
additional c.f.s.runoff for a 25 year storm [Q=ACi] |
|
Creating a total of |
14.965 |
additional c.f.s.
runoff in this watershed |
|
|
|
|
|