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Difference between revisions of "Curve numbers for antecedent mositure condition 2"

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<font size=3>Curve numbers for antecedent moisture condition 2.</font size><br>
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<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>
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Link to this [[Curve numbers for antecedent moisture condition 2|table]]
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Link to this [http://stormwater.pca.state.mn.us/index.php/Curve_numbers_for_antecedent_mositure_condition_2 table]
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<table class="sortable"><tr>
+
<table class="sortable">
−
<th rowspan="2">Land use description</th>
+
<tr>
−
<th colspan="4">Hydrologic soil group</th>
+
<th rowspan="2"><center>Land use description</center></th>
 +
<th colspan="4"><center>Hydrologic soil group</center></th>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
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</tr>
 
</tr>
 
<tr>
 
<tr>
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<td>'''Meadow - good condition'''</td>
+
<td width="40%">'''Meadow - good condition'''</td>
 +
<td width="10%">30</td>
 +
<td width="10%">58</td>
 +
<td width="10%">72</td>
 +
<td width="10%">78</td>
 +
</tr>
 +
<tr>
 +
<td colspan="5">'''Forest'''</td>
 +
</tr>
 +
<tr>
 +
<td>Poor</td>
 +
<td>45</td>
 +
<td>66</td>
 +
<td>77</td>
 +
<td>83</td>
 +
</tr>
 +
<tr>
 +
<td>Fair</td>
 +
<td>36</td>
 +
<td>60</td>
 +
<td>73</td>
 +
<td>79</td>
 +
</tr>
 +
<tr>
 +
<td>Good</td>
 
<td>30</td>
 
<td>30</td>
−
<td>58</td>
+
<td>55</td>
−
<td>72</td>
+
<td>70</td>
−
<td>78</td>
+
<td>77</td>
 +
</tr>
 +
<tr>
 +
<td colspan="5">'''Open space'''</td>
 +
</tr>
 +
<tr>
 +
<td>Poor</td>
 +
<td>68</td>
 +
<td>79</td>
 +
<td>86</td>
 +
<td>89</td>
 +
</tr>
 +
<tr>
 +
<td>Fair</td>
 +
<td>49</td>
 +
<td>69</td>
 +
<td>79</td>
 +
<td>84</td>
 +
</tr>
 +
<tr>
 +
<td>Good</td>
 +
<td>39</td>
 +
<td>61</td>
 +
<td>74</td>
 +
<td>80</td>
 +
</tr>
 +
<tr>
 +
<td>'''Commercial 85% impervious'''</td>
 +
<td>89</td>
 +
<td>92</td>
 +
<td>94</td>
 +
<td>95</td>
 +
</tr>
 +
<tr>
 +
<td>'''Industrial 72% impervious'''</td>
 +
<td>81</td>
 +
<td>88</td>
 +
<td>91</td>
 +
<td>93</td>
 +
</tr>
 +
<tr>
 +
<td colspan="5">'''Residential'''</td>
 +
</tr>
 +
<tr>
 +
<td>1/8 acre lots (65% impervious)</td>
 +
<td>77</td>
 +
<td>85</td>
 +
<td>90</td>
 +
<td>92</td>
 +
</tr>
 +
<tr>
 +
<td>1/4 acre lots (38% impervious)</td>
 +
<td>61</td>
 +
<td>75</td>
 +
<td>83</td>
 +
<td>87</td>
 +
</tr>
 +
<tr>
 +
<td>1/2 acre lots (25% impervious)</td>
 +
<td>54</td>
 +
<td>70</td>
 +
<td>80</td>
 +
<td>85</td>
 +
</tr>
 +
<tr>
 +
<td>1 acre lots (20% impervious)</td>
 +
<td>51</td>
 +
<td>68</td>
 +
<td>79</td>
 +
<td>84</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
−
<td>X</td>
+
<td>'''Impervious areas'''</td>
−
<td>X</td>
+
<td>98</td>
−
<td>X</td>
+
<td>98</td>
−
<td>X</td>
+
<td>98</td>
−
<td>X</td>
+
<td>98</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
−
<td>X</td>
+
<td colspan="5">'''Roads (including right of way)'''</td>
−
<td>X</td>
 
−
<td>X</td>
 
−
<td>X</td>
 
−
<td>X</td>
 
 
</tr>
 
</tr>
 
<tr>
 
<tr>
−
<td>X</td>
+
<td>Paved</td>
−
<td>X</td>
+
<td>83</td>
−
<td>X</td>
+
<td>89</td>
−
<td>X</td>
+
<td>92</td>
−
<td>X</td>
+
<td>93</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
−
<td>X</td>
+
<td>Gravel</td>
−
<td>X</td>
+
<td>76</td>
−
<td>X</td>
+
<td>85</td>
−
<td>X</td>
+
<td>89</td>
−
<td>X</td>
+
<td>91</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
−
<td>X</td>
+
<td>Dirt</td>
−
<td>X</td>
+
<td>72</td>
−
<td>X</td>
+
<td>82</td>
−
<td>X</td>
+
<td>87</td>
−
<td>X</td>
+
<td>89</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
−
<td>X</td>
+
<td colspan="5">'''Row crops'''</td>
−
<td>X</td>
 
−
<td>X</td>
 
−
<td>X</td>
 
−
<td>X</td>
 
 
</tr>
 
</tr>
 
<tr>
 
<tr>
−
<td>X</td>
+
<td>Straight row - good</td>
−
<td>X</td>
+
<td>67</td>
−
<td>X</td>
+
<td>78</td>
−
<td>X</td>
+
<td>85</td>
−
<td>X</td>
+
<td>89</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
−
<td>X</td>
+
<td>Contoured row - good</td>
−
<td>X</td>
+
<td>65</td>
−
<td>X</td>
+
<td>75</td>
−
<td>X</td>
+
<td>82</td>
−
<td>X</td>
+
<td>86</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
−
<td>X</td>
+
<td>'''Pasture - good'''</td>
−
<td>X</td>
+
<td>39</td>
−
<td>X</td>
+
<td>61</td>
−
<td>X</td>
+
<td>74</td>
−
<td>X</td>
+
<td>80</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
−
<td>X</td>
+
<td>'''Open water'''</td>
−
<td>X</td>
+
<td>99</td>
−
<td>X</td>
+
<td>99</td>
−
<td>X</td>
+
<td>99</td>
−
<td>X</td>
+
<td>99</td>
 
</tr>
 
</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>

Latest revision as of 13:42, 4 August 2022

Curve numbers for antecedent moisture condition II (Source USDA-NRCS).
Link to this table

Land use description
Hydrologic soil group
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
Retrieved from "https://stormwater.pca.state.mn.us/index.php?title=Curve_numbers_for_antecedent_mositure_condition_2&oldid=60608"

This page was last edited on 4 August 2022, at 13:42.