Difference between revisions of "Runoff coefficients for 5 to 10 year storms"
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<table class="sortable"> | <table class="sortable"> | ||
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| − | <th>Land use description</th> | + | <th>'''Land use description'''</th> |
| − | <th>Runoff coefficient (C)</th> | + | <th>'''Runoff coefficient''' (C)</th> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td colspan="2">Forest</td> | + | <td colspan="2">'''Forest'''</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td | + | <td>< 5% slope</td> |
<td>0.30</td> | <td>0.30</td> | ||
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</tr> | </tr> | ||
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| − | <td colspan="2">Open space</td> | + | <td colspan="2">'''Open space'''</td> |
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| − | <td>Industrial</td> | + | <td>'''Industrial'''</td> |
<td>0.50 to 0.90</td> | <td>0.50 to 0.90</td> | ||
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| − | <td colspan="2">Row crops<sup>1</sup></td> | + | <td colspan="2">'''Row crops'''<sup>1</sup></td> |
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| − | <td colspan="2">Pasture</td> | + | <td colspan="2">'''Pasture'''</td> |
</tr> | </tr> | ||
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Revision as of 20:23, 7 March 2013
Runoff coefficients for 5- to 10-year storms (Source: Haan et al., 1994)
Link to this table
| Land use description | Runoff coefficient (C) |
|---|---|
| Forest | |
| < 5% slope | 0.30 |
| 5 to 10% slope | 0.35 |
| > 10% slope | 0.50 |
| Open space | |
| < 2% slope | 0.05 to 0.10 |
| 2 to 7% slope | 0.10 to 0.15 |
| > 7% slope | 0.15 to 0.20 |
| Industrial | 0.50 to 0.90 |
| Residential | |
| Multi-family | 0.40 to 0.75 |
| Single family | 0.30 to 0.50 |
| Impervious areas | 0.70 to 0.95 |
| Row crops1 | |
| < 5% slope | 0.50 |
| 5 to 10% slope | 0.60 |
| > 10% slope | 0.72 |
| Pasture | |
| N 5% slope | 0.30 |
| 5 to 10% slope | 0.36 |
| > 10% slope | 0.42 |
1For clay and silt loam soils.