Method
When measuring hydraulic conductivity of soil, the auger hole method according to Hooghoudt can be applied for direct measurement in the field. With this method, the permeability of soil can be determined relatively fast and with a limited number of instruments.
The principle of this method is quite simple: a hole is bored in the ground to a certain depth below the groundwater level. After some time, the hole will fill with water up to said water level. This water is consequently bailed out. The time it takes for a new water level to establish itself is recorded. Using formulas and/or nomograms, this speed with which the water rises can be translated into the average permeability factor of the various soil layers.
The depth of the bore hole is dependent upon the groundwater level and the thickness and the permeability of the successive layers in the ground profile.
Applications
- Infiltration research
- Soil permeability research
Set contains
- Augers and bailers with extensions accessories
- Measuring tape with holder
- Floats with storage bag
- Stopwatch, including batteries
- Extendable casing/filters
- Spatula
- Carrying bag
| Ausführung | Set |
| Typ | Hooghoudt |