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Difference between revisions of "Runoff coefficients for different soil groups and slopes"

(Created page with "<font size=3>'''Runoff coefficients for different soil groups and slopes Source: Hydrologic Analysis and Design (4th Edition) (McCuen'''.</font size><br> Link to this Runoff...")
 
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<th>>6%</th>
 
<th>>6%</th>
 
</tr>
 
</tr>
−
</table>
+
<tr>
 +
<td>Residential (65% impervious)</td>
 +
<td>0.25</td>
 +
<td>0.28</td>
 +
<td>0.31</td>
 +
<td>0.27</td>
 +
<td>0.30</td>
 +
<td>0.35</td>
 +
<td>0.30</td>
 +
<td>0.33</td>
 +
<td>0.38</td>
 +
<td>0.33</td>
 +
<td>0.36</td>
 +
<td>0.42</td>
 +
</tr>
 +
<tr>
 +
<td>(30% impervious)</td>
 +
<td>0.19</td>
 +
<td>0.23</td>
 +
<td>0.26</td>
 +
<td>0.22</td>
 +
<td>0.26</td>
 +
<td>0.30</td>
 +
<td>0.25</td>
 +
<td>0.29</td>
 +
<td>0.34</td>
 +
<td>0.28</td>
 +
<td>0.32</td>
 +
<td>0.39</td>
 +
</tr>
 +
<tr>
 +
<td>(12% impervious)</td>
 +
<td>0.14</td>
 +
<td>0.19</td>
 +
<td>0.22</td>
 +
<td>0.17</td>
 +
<td>0.21</td>
 +
<td>0.26</td>
 +
<td>0.20</td>
 +
<td>0.25</td>
 +
<td>0.31</td>
 +
<td>0.24</td>
 +
<td>0.29</td>
 +
<td>0.35</td>
 +
</tr>
 +
<tr>
 +
<td>Commercial</td>
 +
<td>0.71</td>
 +
<td>0.71</td>
 +
<td>0.72</td>
 +
<td>0.71</td>
 +
<td>0.72</td>
 +
<td>0.72</td>
 +
<td>0.72</td>
 +
<td>0.72</td>
 +
<td>0.72</td>
 +
<td>0.72</td>
 +
<td>0.72</td>
 +
<td>0.72</td>
 +
</tr>
 +
<tr>
 +
<td>Industrial</td>
 +
<td>0.67</td>
 +
<td>0.68</td>
 +
<td>0.68</td>
 +
<td>0.68</td>
 +
<td>0.68</td>
 +
<td>0.69</td>
 +
<td>0.68</td>
 +
<td>0.69</td>
 +
<td>0.69</td>
 +
<td>0.69</td>
 +
<td>0.69</td>
 +
<td>0.70</td>
 +
</tr>
 +
<tr>
 +
<td>Streets</td>
 +
<td>0.70</td>
 +
<td>0.71</td>
 +
<td>0.72</td>
 +
<td>0.71</td>
 +
<td>0.72</td>
 +
<td>0.74</td>
 +
<td>0.72</td>
 +
<td>0.73</td>
 +
<td>0.76</td>
 +
<td>0.73</td>
 +
<td>0.75</td>
 +
<td>0.78</td>
 +
</tr>
 +
<tr>
 +
<td>Parking</td>
 +
<td>0.85</td>
 +
<td>0.86</td>
 +
<td>0.87</td>
 +
<td>0.85</td>
 +
<td>0.86</td>
 +
<td>0.87</td>
 +
<td>0.85</td>
 +
<td>0.86</td>
 +
<td>0.87</td>
 +
<td>0.85</td>
 +
<td>0.86</td>
 +
<td>0.87</td>
 +
</tr>
 +
<tr>
 +
<td>Open space</td>
 +
<td>0.05</td>
 +
<td>0.10</td>
 +
<td>0.14</td>
 +
<td>0.08</td>
 +
<td>0.13</td>
 +
<td>0.19</td>
 +
<td>0.12</td>
 +
<td>0.17</td>
 +
<td>0.24</td>
 +
<td>0.16</td>
 +
<td>0.21</td>
 +
<td>0.28</td>
 +
</tr>
 +
<tr>
 +
<td>Cultivated land</td>
 +
<td>0.08</td>
 +
<td>0.13</td>
 +
<td>0.16</td>
 +
<td>0.11</td>
 +
<td>0.15</td>
 +
<td>0.21</td>
 +
<td>0.14</td>
 +
<td>0.19</td>
 +
<td>0.26</td>
 +
<td>0.18</td>
 +
<td>0.23</td>
 +
<td>0.31</td>
 +
</tr>
 +
<tr>
 +
<td>Pasture</td>
 +
<td>0.12</td>
 +
<td>0.20</td>
 +
<td>0.30</td>
 +
<td>0.18</td>
 +
<td>0.28</td>
 +
<td>0.37</td>
 +
<td>0.24</td>
 +
<td>0.34</td>
 +
<td>0.44</td>
 +
<td>0.30</td>
 +
<td>0.40</td>
 +
<td>0.50</td>
 +
</tr>
 +
<tr>
 +
<td>Meadow</td>
 +
<td>0.10</td>
 +
<td>0.16</td>
 +
<td>0.25</td>
 +
<td>0.14</td>
 +
<td>0.22</td>
 +
<td>0.30</td>
 +
<td>0.20</td>
 +
<td>0.28</td>
 +
<td>0.36</td>
 +
<td>0.24</td>
 +
<td>0.30</td>
 +
<td>0.40</td>
 +
</tr>
 +
<tr>
 +
<td>Forest</td>
 +
<td>0.05</td>
 +
<td>0.08</td>
 +
<td>0.11</td>
 +
<td>0.08</td>
 +
<td>0.11</td>
 +
<td>0.14</td>
 +
<td>0.10</td>
 +
<td>0.13</td>
 +
<td>0.16</td>
 +
<td>0.12</td>
 +
<td>0.16</td>
 +
<td>0.20</td>
 +
</tr>
 +
table>

Revision as of 20:40, 24 December 2019

Runoff coefficients for different soil groups and slopes Source: Hydrologic Analysis and Design (4th Edition) (McCuen.
Link to this Runoff coefficients for different soil groups and slopes

table>
Land use Soil Group A Soil Group B Soil Group C Soil Group D
0-2% 2-6% >6% 0-2% 2-6% >6% 0-2% 2-6% >6% 0-2% 2-6% >6%
Residential (65% impervious) 0.25 0.28 0.31 0.27 0.30 0.35 0.30 0.33 0.38 0.33 0.36 0.42
(30% impervious) 0.19 0.23 0.26 0.22 0.26 0.30 0.25 0.29 0.34 0.28 0.32 0.39
(12% impervious) 0.14 0.19 0.22 0.17 0.21 0.26 0.20 0.25 0.31 0.24 0.29 0.35
Commercial 0.71 0.71 0.72 0.71 0.72 0.72 0.72 0.72 0.72 0.72 0.72 0.72
Industrial 0.67 0.68 0.68 0.68 0.68 0.69 0.68 0.69 0.69 0.69 0.69 0.70
Streets 0.70 0.71 0.72 0.71 0.72 0.74 0.72 0.73 0.76 0.73 0.75 0.78
Parking 0.85 0.86 0.87 0.85 0.86 0.87 0.85 0.86 0.87 0.85 0.86 0.87
Open space 0.05 0.10 0.14 0.08 0.13 0.19 0.12 0.17 0.24 0.16 0.21 0.28
Cultivated land 0.08 0.13 0.16 0.11 0.15 0.21 0.14 0.19 0.26 0.18 0.23 0.31
Pasture 0.12 0.20 0.30 0.18 0.28 0.37 0.24 0.34 0.44 0.30 0.40 0.50
Meadow 0.10 0.16 0.25 0.14 0.22 0.30 0.20 0.28 0.36 0.24 0.30 0.40
Forest 0.05 0.08 0.11 0.08 0.11 0.14 0.10 0.13 0.16 0.12 0.16 0.20
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