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− | <font size=3>Curve numbers for antecedent moisture condition II (Source NRCS).</font size><br> | + | <font size=3>'''Curve numbers for antecedent moisture condition II (Source [http://www.nrcs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb1044171.pdf USDA-NRCS]).'''</font size><br> |
− | Link to this [ | + | Link to this [http://stormwater.pca.state.mn.us/index.php/Curve_numbers_for_antecedent_mositure_condition_2 table] |
<table class="sortable"> | <table class="sortable"> | ||
<tr> | <tr> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>'''Meadow - good condition'''</td> | + | <td width="40%">'''Meadow - good condition'''</td> |
− | <td>30</td> | + | <td width="10%">30</td> |
− | <td>58</td> | + | <td width="10%">58</td> |
− | <td>72</td> | + | <td width="10%">72</td> |
− | <td>78</td> | + | <td width="10%">78</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Fair</td> |
<td>49</td> | <td>49</td> | ||
<td>69</td> | <td>69</td> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>Commercial 85% impervious</td> | + | <td>'''Commercial 85% impervious'''</td> |
<td>89</td> | <td>89</td> | ||
<td>92</td> | <td>92</td> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>'''Industrial 72% impervious'''</td> |
<td>81</td> | <td>81</td> | ||
<td>88</td> | <td>88</td> | ||
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<td>74</td> | <td>74</td> | ||
<td>80</td> | <td>80</td> | ||
− | < | + | </tr> |
<tr> | <tr> | ||
<td>'''Open water'''</td> | <td>'''Open water'''</td> | ||
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<td>99</td> | <td>99</td> | ||
<td>99</td> | <td>99</td> | ||
− | < | + | </tr> |
</table> | </table> | ||
+ | |||
+ | <noinclude> | ||
+ | [[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Hydrology and geology]] | ||
+ | [[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Models, modeling, model applications and examples]] | ||
+ | </noinclude> |
Curve numbers for antecedent moisture condition II (Source USDA-NRCS).
Link to this table
A | B | C | D | |
---|---|---|---|---|
Meadow - good condition | 30 | 58 | 72 | 78 |
Forest | ||||
Poor | 45 | 66 | 77 | 83 |
Fair | 36 | 60 | 73 | 79 |
Good | 30 | 55 | 70 | 77 |
Open space | ||||
Poor | 68 | 79 | 86 | 89 |
Fair | 49 | 69 | 79 | 84 |
Good | 39 | 61 | 74 | 80 |
Commercial 85% impervious | 89 | 92 | 94 | 95 |
Industrial 72% impervious | 81 | 88 | 91 | 93 |
Residential | ||||
1/8 acre lots (65% impervious) | 77 | 85 | 90 | 92 |
1/4 acre lots (38% impervious) | 61 | 75 | 83 | 87 |
1/2 acre lots (25% impervious) | 54 | 70 | 80 | 85 |
1 acre lots (20% impervious) | 51 | 68 | 79 | 84 |
Impervious areas | 98 | 98 | 98 | 98 |
Roads (including right of way) | ||||
Paved | 83 | 89 | 92 | 93 |
Gravel | 76 | 85 | 89 | 91 |
Dirt | 72 | 82 | 87 | 89 |
Row crops | ||||
Straight row - good | 67 | 78 | 85 | 89 |
Contoured row - good | 65 | 75 | 82 | 86 |
Pasture - good | 39 | 61 | 74 | 80 |
Open water | 99 | 99 | 99 | 99 |
This page was last edited on 4 August 2022, at 13:42.