Journal
GROUND WATER
Volume 39, Issue 4, Pages 546-553Publisher
GROUND WATER PUBLISHING CO
DOI: 10.1111/j.1745-6584.2001.tb02343.x
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Numerical values of hydraulic conductivities of river channel-lining materials are assembled from published and unpublished sources. These are found to cover a range from below 1.0 X 10(-9) to above 1.0 X 10(-2) m sec(-1) and to be concentrated in the region 1.0 X 10(-7) to 1.0 X 10(-3) m sec(-1), Variability within a site can be large, Assessment of the values in relation to sediment, scale, and method of determination presents a complex picture, and generalization is not straightforward. Hydraulic conductivity determinations from numerical modeling, which tends to be associated with averaging at larger spatial scales, are associated with a more conservative range of values than those derived from field and laboratory analyses. The sample of determinations provides a guideline basis of representative values for hydrological and hydrogeological assessment where specific investigation is not possible.
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