American Society of Civil Engineers


Improvements in Infiltration Rates of Compacted Soil with Tillage and Compost


by N. C. Olson, (Graduate student, Department of Civil Engineering, University of Minnesota, Minneapolis, MN), G. Schmalle, (Undergraduate Research Assistant, Department of Civil Engineering, University of Minnesota, Minneapolis, MN), L. Adekola, (Summer Intern, Department of Civil Engineering, University of Minnesota, Minneapolis, MN and Associate Professor, Department of Civil Engineering, University of Minnesota, Minneapolis, MN), J. S. Gulliver, (Joesph T. and Rose S. Ling Professor, Department of Civil Engineering, University of Minnesota, Minneapolis, MN), and J. L. Nieber, (Professor, Department of Bioproducts and Biosystems Engineering, University of Minnesota, St. Paul, MN)

pp. 1-7, (doi:  http://dx.doi.org/10.1061/41009(333)84)

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Document type: Conference Proceeding Paper
Part of: Low Impact Development for Urban Ecosystem and Habitat Protection
Abstract: Soils on residential developments typically have lower stormwater infiltration rates than the soils they replace. This is due to reduced topsoil depth and increased subsoil compaction as land is reshaped and worked with heavy equipment during development. Loss of infiltration leads to increased stormwater runoff and associated downstream problems of flooding, pollutant transport, and warming stream temperatures. This paper explores improvements to stormwater infiltration rates by amending soils on residential developments with tillage methods and compost application rates. Field studies to measure how tillage and compost soil amendments perform under actual conditions and the practical aspects of using them are being performed.


ASCE Subject Headings:
Infiltration
Residential location
Stormwater management
Soils