Difference between revisions of "Soil water storage properties"
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| − | <font size=1>Sources of information include [http://nrcca.cals.cornell.edu/soil/CA2/CA0212.1-3.php Cornell University], [http://passel.unl.edu/pages/informationmodule.php?idinformationmodule=1130447039&topicorder=10&maxto=10 USDA-NIFA], [ | + | <font size=1><sup>1</sup>Sources of information include [http://nrcca.cals.cornell.edu/soil/CA2/CA0212.1-3.php Cornell University], [http://passel.unl.edu/pages/informationmodule.php?idinformationmodule=1130447039&topicorder=10&maxto=10 USDA-NIFA], [http://stormwater.pca.state.mn.us/index.php/File:Available_water_capacity.png Minnesota Stormwater Manual]<br> |
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<sup>2</sup>This value may be used to represent the volume of water that will drain from a bioretention media.<br> | <sup>2</sup>This value may be used to represent the volume of water that will drain from a bioretention media.<br> | ||
<sup>3</sup>This value may be used to estimate the amount of water available for evapotranspiration | <sup>3</sup>This value may be used to estimate the amount of water available for evapotranspiration | ||
Revision as of 14:53, 16 January 2014
Recommended values for porosity, field capacity and wilting point for different soils.1
Link to this table
| Soil | Porosity (volume/volume) | Field capacity (volume/volume) | Wilting point (volume/volume) | Porosity minus field capacity (volume/volume)2 | Field capacity minus wilting point (volume/volume)3 |
|---|---|---|---|---|---|
| Sand | 0.43 | 0.17 | 0.025 to 0.09 | 0.26 | 0.11 |
| Loamy sand | 0.44 | 0.09 | 0.04 | 0.35 | 0.05 |
| Sandy loam | 0.45 | 0.14 | 0.05 | 0.31 | 0.09 |
| Loam | 0.47 | 0.25 to 0.32 | 0.09 to 0.15 | 0.19 | 0.06 |
| Silt loam | 0.50 | 0.28 | 0.11 | 0.22 | 0.17 |
| Sandy clay loam | 0.4 | 0.07 | |||
| Clay loam | 0.46 | 0.32 | 0.15 | 0.14 | 0.17 |
| Silty clay loam | 0.47 to 0.51 | 0.30 to 0.37 | 0.17 to 0.22 | 0.16 | 0.14 |
| Sandy clay | 0.43 | 0.11 | |||
| Silty clay | 0.47 | 0.05 | |||
| Clay | 0.47 | 0.32 | 0.20 | 0.15 | 0.12 |
1Sources of information include Cornell University, USDA-NIFA, Minnesota Stormwater Manual
2This value may be used to represent the volume of water that will drain from a bioretention media.
3This value may be used to estimate the amount of water available for evapotranspiration
