Subsidence of Cultivated Organic Soil in Ontario

by Ross W. Irwin, Prof.; School of Engrg., Univ. of Guelph, Guelph, Ontario, Canada,

Serial Information: Journal of the Irrigation and Drainage Division, 1977, Vol. 103, Issue 2, Pg. 197-205

Document Type: Journal Paper

Discussion: Prus-Chacinski Thaddeus M. (See full record)
Closure: (See full record)

Abstract: The subsidence of a cultivated organic soil has been monitored for 30 yr. The soil has a long-term subsidence rate that is sharply increased with artificial improvement of the drainage. The long-term rate is reestablished after 10 yr. Positive and negative changes in surface elevation occur throughout the year due to changes in soil water and the freezing and thawing of the soil. The continual fluctuation of the soil surface makes it difficult to determine any particular time during the year when subsidence may occur.

Subject Headings: Land subsidence | Soil water | Frozen soils | Soil stabilization | Drainage | North America | Ontario | Canada

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