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filereference:dbsystem:soils [2015/03/27 18:20] – enviadmin | filereference:dbsystem:soils [2022/04/04 19:21] (current) – [Soils Database Table] enviadmin | ||
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====== Soils Database Table ====== | ====== Soils Database Table ====== | ||
- | [{{ : | + | {{ : |
===== Content ===== | ===== Content ===== | ||
The Soils Database provides a collection of basic soils and artificial materials used to construct soil profiles. | The Soils Database provides a collection of basic soils and artificial materials used to construct soil profiles. | ||
- | You do not access items from this table in your simulations directly, but you link through the soil profiles. | + | You do not access items from this table in your simulations directly, but you refer to them through the definition of soil profiles. |
===== Soil Parameters ===== | ===== Soil Parameters ===== | ||
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=== Water Content (Natural soils only) === | === Water Content (Natural soils only) === | ||
- | The water content | + | The [[wp> |
- | * **at Saturation**: | + | |
- | * **at Field Capacity**: | + | * **Water content |
- | * ** at Wilting Point**: wilting point is the lowest threshold defined for a drying soil. This is the minimum water content required, so that plant roots can extract water out of the soil. If the soil water content is lower than the wilting point value, the soil still contains water, but it cannot be used by the plants for transpiration. | + | * **Water content |
+ | * ** Water content | ||
+ | These values are a constant property of the soil and its texture matrix and are normally available for a limited list of soils. | ||
+ | |||
+ | === Matrix Potential === | ||