Equipment

Guelph permeameter

The Guelph permeameter is a constant-head well permeameter used to measure soil hydraulic conductivity, sorptivity, and matrix flux potential in the field. It works by introducing water into a well created in the soil and measuring the rate of water infiltration. This method allows for quick and accurate in-situ measurements of these key soil properties. 

Key Features and Functionality:

  • Constant-Head Well Permeameter:The Guelph permeameter maintains a constant water head within a well created in the soil. 
  • In-Situ Measurements:It directly measures soil properties at the location of interest, without requiring soil samples to be taken. 
  • Quick and Efficient:Measurements can be made relatively quickly, often within 1.5 to 2 hours, and require minimal water. 
  • Versatile:It can be used in various soil types and can be adapted to different depths. 
  • Field Portable:The equipment is designed to be easily transported and used in the field. 

Applications:

  • Hydrological Investigations:Assessing the hydraulic conductivity of soils is crucial for understanding groundwater flow and drainage.
  • Landfill Site Monitoring:Determining soil permeability helps in designing and monitoring landfill liners.
  • Soil Erosion Studies:Infiltration rates are a key factor in soil erosion, and the Guelph permeameter can help assess them.
  • Reservoir Design:Understanding soil hydraulic conductivity is important for designing and maintaining reservoirs.
  • Soil Classification:The results can be used to classify soils based on their hydraulic properties.