Convergent flow observed in a laboratory-scale unsaturated fracture system

Details Convergent flow observed in a laboratory-scale unsaturated fracture system Convergent flow observed in a laboratory-scale unsaturated fracture system

Jan 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30b..55l&link_type=abstract

Geophysical Research Letters, Volume 30, Issue 2, pp. 55-1, CiteID 1083, DOI 10.1029/2002GL015775

Physics

2

Hydrology: Unsaturated Zone, Physical Properties Of Rocks: Fracture And Flow, Physical Properties Of Rocks: Transport Properties, Physical Properties Of Rocks: Instruments And Techniques

Scientific paper

An experiment was designed to observe water flow in a simple analogue fractured rock network. The fracture network was modeled by the gaps between an array of limestone blocks, whose permutations generated different realizations of the network. Three out of five of these realizations displayed flow convergence, in contrast to that predicted by porous continuum models. Such convergence occurs because fracture intersections act as capillary barriers that integrate or focus flow within the network.
Supported by the INEEL Environmental Systems Research and Analysis Program, Office of Environmental Management, U. S. Department of Energy.

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