Ring permeametry: design, operation and error analysis.

Chappell, Nicholas A. and Ternan, J. L. (1997) Ring permeametry: design, operation and error analysis. Earth Surface Processes and Landforms, 22 (13). pp. 1197-1205. ISSN 0197-9337

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Assessment of slope stability, soil management or contaminant transport problems usually requires numerous, yet accurate point measurements of permeability. This technical note describes a new method for the rapid field assessment of permeability in near-surface soils or unconsolidated sediments. The procedure is known as ring permeametry and is an ex situ core-based method giving measurements which can be guaranteed to be stratum-specific, unlike measurements from some in situ techniques. The potential sources of precision and bias error within the method are quantified and their effect on the uncertainty of permeability estimates is illustrated.

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Journal Article
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Earth Surface Processes and Landforms
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12 Feb 2009 11:13
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21 Nov 2022 18:53