Difference between revisions of "Soil water storage properties"
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<font size=3>'''Recommended values for porosity, field capacity and wilting point for different soils.<sup>1</sup>'''</font size><br> | <font size=3>'''Recommended values for porosity, field capacity and wilting point for different soils.<sup>1</sup>'''</font size><br> | ||
| − | Link to this [[Soil water storage properties | + | Link to this [[Soil water storage properties|table]]. |
<table class="sortable"><tr> | <table class="sortable"><tr> | ||
<th>Soil</th> | <th>Soil</th> | ||
| − | <th>Porosity (volume/volume)</th> | + | <th>Hydrologic soil group</th> |
| + | <th>Porosity <sup>2</sup> (volume/volume)</th> | ||
<th>Field capacity (volume/volume)</th> | <th>Field capacity (volume/volume)</th> | ||
<th>Wilting point (volume/volume)</th> | <th>Wilting point (volume/volume)</th> | ||
| − | <th>Porosity minus field capacity (volume/volume)<sup> | + | <th>Porosity minus field capacity (volume/volume)<sup>3</sup></th> |
| − | <th>Field capacity minus wilting point (volume/volume)<sup> | + | <th>Field capacity minus wilting point (volume/volume)<sup>4</sup></th> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Sand</td> | <td>Sand</td> | ||
| + | <td>A (GM, SW, or SP)</td> | ||
<td>0.43</td> | <td>0.43</td> | ||
<td>0.17</td> | <td>0.17</td> | ||
| Line 20: | Line 22: | ||
<tr> | <tr> | ||
<td>Loamy sand</td> | <td>Loamy sand</td> | ||
| + | <td>A (GM, SW, or SP)</td> | ||
<td>0.44</td> | <td>0.44</td> | ||
<td>0.09</td> | <td>0.09</td> | ||
| Line 29: | Line 32: | ||
<tr> | <tr> | ||
<td>Sandy loam</td> | <td>Sandy loam</td> | ||
| + | <td>A (GM, SW, or SP)</td> | ||
<td>0.45</td> | <td>0.45</td> | ||
<td>0.14</td> | <td>0.14</td> | ||
| Line 35: | Line 39: | ||
<td>0.09</td> | <td>0.09</td> | ||
</tr> | </tr> | ||
| − | |||
<tr> | <tr> | ||
<td>Loam</td> | <td>Loam</td> | ||
| + | <td>B (ML or OL)</td> | ||
<td>0.47</td> | <td>0.47</td> | ||
<td>0.25 to 0.32</td> | <td>0.25 to 0.32</td> | ||
<td>0.09 to 0.15</td> | <td>0.09 to 0.15</td> | ||
<td>0.19</td> | <td>0.19</td> | ||
| − | <td>0. | + | <td>0.16</td> |
</tr> | </tr> | ||
| − | |||
<tr> | <tr> | ||
<td>Silt loam</td> | <td>Silt loam</td> | ||
| + | <td>B (ML or OL)</td> | ||
<td>0.50</td> | <td>0.50</td> | ||
<td>0.28</td> | <td>0.28</td> | ||
| Line 53: | Line 57: | ||
<td>0.17</td> | <td>0.17</td> | ||
</tr> | </tr> | ||
| − | |||
<tr> | <tr> | ||
<td>Sandy clay loam</td> | <td>Sandy clay loam</td> | ||
| + | <td>C</td> | ||
<td>0.4</td> | <td>0.4</td> | ||
<td></td> | <td></td> | ||
| Line 62: | Line 66: | ||
<td></td> | <td></td> | ||
</tr> | </tr> | ||
| − | |||
<tr> | <tr> | ||
<td>Clay loam</td> | <td>Clay loam</td> | ||
| + | <td>D</td> | ||
<td>0.46</td> | <td>0.46</td> | ||
<td>0.32</td> | <td>0.32</td> | ||
| Line 71: | Line 75: | ||
<td>0.17</td> | <td>0.17</td> | ||
</tr> | </tr> | ||
| − | |||
<tr> | <tr> | ||
<td>Silty clay loam</td> | <td>Silty clay loam</td> | ||
| + | <td>D</td> | ||
<td>0.47 to 0.51</td> | <td>0.47 to 0.51</td> | ||
<td>0.30 to 0.37</td> | <td>0.30 to 0.37</td> | ||
| Line 80: | Line 84: | ||
<td>0.14</td> | <td>0.14</td> | ||
</tr> | </tr> | ||
| − | |||
<tr> | <tr> | ||
<td>Sandy clay</td> | <td>Sandy clay</td> | ||
| + | <td>D</td> | ||
<td>0.43</td> | <td>0.43</td> | ||
<td></td> | <td></td> | ||
| Line 89: | Line 93: | ||
<td></td> | <td></td> | ||
</tr> | </tr> | ||
| − | |||
<tr> | <tr> | ||
<td>Silty clay</td> | <td>Silty clay</td> | ||
| + | <td>D</td> | ||
<td>0.47</td> | <td>0.47</td> | ||
<td></td> | <td></td> | ||
| Line 98: | Line 102: | ||
<td></td> | <td></td> | ||
</tr> | </tr> | ||
| − | |||
<tr> | <tr> | ||
<td>Clay</td> | <td>Clay</td> | ||
| + | <td>D</td> | ||
<td>0.47</td> | <td>0.47</td> | ||
<td>0.32</td> | <td>0.32</td> | ||
| Line 108: | Line 112: | ||
</tr> | </tr> | ||
</table> | </table> | ||
| − | <font size=1>Sources of information include | + | <font size=1><sup>1</sup>Sources of information include Saxton and Rawls (2006), Cornell University, USDA-NIFA, Minnesota Stormwater Manual. (See [[References for trees]])<br> |
| − | <sup> | + | <sup>2</sup>Soil saturation is assumed to be equal to the porosity.<br> |
| − | <sup> | + | <sup>3</sup>This value may be used to represent the volume of water that will drain from a bioretention media.<br> |
| − | <sup> | + | <sup>4</sup>This value may be used to estimate the amount of water available for evapotranspiration |
</font size> | </font size> | ||
<noinclude> | <noinclude> | ||
| − | [[Category: | + | [[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Soil and soil properties]] |
| + | [[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Hydrology and geology]] | ||
</noinclude> | </noinclude> | ||
Latest revision as of 02:23, 15 December 2022
Recommended values for porosity, field capacity and wilting point for different soils.1
Link to this table.
| Soil | Hydrologic soil group | Porosity 2 (volume/volume) | Field capacity (volume/volume) | Wilting point (volume/volume) | Porosity minus field capacity (volume/volume)3 | Field capacity minus wilting point (volume/volume)4 |
|---|---|---|---|---|---|---|
| Sand | A (GM, SW, or SP) | 0.43 | 0.17 | 0.025 to 0.09 | 0.26 | 0.11 |
| Loamy sand | A (GM, SW, or SP) | 0.44 | 0.09 | 0.04 | 0.35 | 0.05 |
| Sandy loam | A (GM, SW, or SP) | 0.45 | 0.14 | 0.05 | 0.31 | 0.09 |
| Loam | B (ML or OL) | 0.47 | 0.25 to 0.32 | 0.09 to 0.15 | 0.19 | 0.16 |
| Silt loam | B (ML or OL) | 0.50 | 0.28 | 0.11 | 0.22 | 0.17 |
| Sandy clay loam | C | 0.4 | 0.07 | |||
| Clay loam | D | 0.46 | 0.32 | 0.15 | 0.14 | 0.17 |
| Silty clay loam | D | 0.47 to 0.51 | 0.30 to 0.37 | 0.17 to 0.22 | 0.16 | 0.14 |
| Sandy clay | D | 0.43 | 0.11 | |||
| Silty clay | D | 0.47 | 0.05 | |||
| Clay | D | 0.47 | 0.32 | 0.20 | 0.15 | 0.12 |
1Sources of information include Saxton and Rawls (2006), Cornell University, USDA-NIFA, Minnesota Stormwater Manual. (See References for trees)
2Soil saturation is assumed to be equal to the porosity.
3This value may be used to represent the volume of water that will drain from a bioretention media.
4This value may be used to estimate the amount of water available for evapotranspiration
This page was last edited on 15 December 2022, at 02:23.