Difference between revisions of "Runoff coefficients for 5 to 10 year storms"
(Created page with "<table class="sortable"> <tr> <th>land use description</th> <th>Runoff coefficient (C)</th> </tr> <tr> <td colspan="2">Forest</td> </tr> <tr> <td>< 5% slope</td> <td>0.30</td>...") |
m |
||
| Line 1: | Line 1: | ||
| + | <font size=3>Runoff coefficients for 5- to 10-year storms (Source: Haan et al., 1994)</font size><br> | ||
| + | Link to this [[Runoff coefficients for 5 to 10 year storms|table]] | ||
<table class="sortable"> | <table class="sortable"> | ||
<tr> | <tr> | ||
| − | <th> | + | <th>Land use description</th> |
<th>Runoff coefficient (C)</th> | <th>Runoff coefficient (C)</th> | ||
</tr> | </tr> | ||
| Line 20: | Line 22: | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td> | + | <td colspan="2">Open space</td> |
| − | |||
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td> | + | <td>< 2% slope</td> |
| − | <td> | + | <td>0.05 to 0.10</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td> | + | <td>2 to 7% slope</td> |
| − | <td> | + | <td>0.10 to 0.15</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td> | + | <td>> 7% slope</td> |
| − | <td> | + | <td>0.15 to 0.20</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td> | + | <td>Industrial</td> |
| − | <td> | + | <td>0.50 to 0.90</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td> | + | <td colspan="2">Residential</td> |
| − | |||
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td> | + | <td>Multi-family</td> |
| − | <td> | + | <td>0.40 to 0.75</td> |
| + | </tr> | ||
| + | <tr> | ||
| + | <td>Single family</td> | ||
| + | <td>0.30 to 0.50</td> | ||
| + | </tr> | ||
| + | <tr> | ||
| + | <td>Impervious areas</td> | ||
| + | <td>0.70 to 0.95</td> | ||
| + | </tr> | ||
| + | <tr> | ||
| + | <td colspan="2">Row crops<sup>1</sup></td> | ||
| + | </tr> | ||
| + | <tr> | ||
| + | <td>< 5% slope</td> | ||
| + | <td>0.50</td> | ||
| + | </tr> | ||
| + | <tr> | ||
| + | <td>5 to 10% slope</td> | ||
| + | <td>0.60</td> | ||
| + | </tr> | ||
| + | <tr> | ||
| + | <td>> 10% slope</td> | ||
| + | <td>0.72</td> | ||
| + | </tr> | ||
| + | <tr> | ||
| + | <td colspan="2">Pasture</td> | ||
| + | </tr> | ||
| + | <tr> | ||
| + | <td>N 5% slope</td> | ||
| + | <td>0.30</td> | ||
| + | </tr> | ||
| + | <tr> | ||
| + | <td>5 to 10% slope</td> | ||
| + | <td>0.36</td> | ||
| + | </tr> | ||
| + | <tr> | ||
| + | <td>> 10% slope</td> | ||
| + | <td>0.42</td> | ||
</tr> | </tr> | ||
</table> | </table> | ||
| + | <font size=1><sup>1</sup>For clay and silt loam soils.</font size> | ||
Revision as of 20:16, 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.