In general, hydraulic diffusivities can vary over many orders of magnitude, and laboratory- and field-based estimates often disagree significantly. This dataset represents a (limited) compilation of any available sources (including other compilations!), and is meant to show the range of 'typical' values, expressed in SI units: [m^2/s]. I also include values estimated for fault-core material.
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mat.type Type of material
mat.class Class
mat.state State
d.high Upper bound on typical values of diffusivity [m^2/s]
d.low Lower bound
ref Reference
The value of ref
gives the source which the diffusivity range is from.
Current sources include:
Do06 Doan et al 2006 (Chelungpu fault, Taiwan)
Ro96 Roeloffs 1996 (shown in Ref. fig. 14)
Wa00 Wang 2000 (App. C.1)
Wi00 Wibberley 2002 (MTL, Japan)
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