State Water Resources Research Institute Program

Project ID: 2008KY106B
Title: The effect of clay mineralogy on the infiltration capacity of grass lawns
Project Type: Research
Start Date: 3/01/2008
End Date: 2/28/2009
Congressional District: KY Fourth
Focus Categories: Groundwater, Irrigation, Management and Planning
Keywords: soil moisture, soil texture, stormwater runoff
Principal Investigator: Boateng, Samuel
Federal Funds: $ 5,000
Non-Federal Matching Funds: $ 14,046
Abstract: This study will involve investigating the effect of clay mineralogy on infiltration capacity of soils on the campus of Northern Kentucky University at Highland Heights, Kentucky. A double ring infiltrometer will be used to determine the infiltration rate at each sample site. Soil texture analysis and soil moisture analysis will be completed for samples collected at each site. XRD will be used to determine the clay mineralogy (smectite, kaolinite, and illite) of the soil samples. At least six lawn sites (5 m x 5 m) will be selected for sampling. Understanding the effect of clay mineralogy on infiltration will help the university in managing the irrigation of lawns to avoid excessive rates of irrigation on less permeable soils.

Progress/Completion Report, PDF

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