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• (author = "Barker, J" AND publisher = "Elsevier")
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author = "Barker, J" > : "Elsevier" (x)
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Found 5 documents, displaying page 1 of 1

A rapid method for determining apparent diffusion coefficients in chalk and other consolidated porous media

Author(s) : Gooddy, D.C. , Kinniburgh, D.G. , Barker, J.A.
Description :
Repository : NERC Open Research Archive
Language(s) : Undetermined

Exploiting correlogram structure for robust speech recognition with multiple speech sources

Author(s) : Ma, N. , Green, P. , Barker, J. , Coy, A.
Description : This paper addresses the problem of separating and recognising speech in a monaural acoustic mixture with the presence of competing speech sources. The proposed system treats sound source separation and speech recognition as tightly coupled processes. In the first stage sound source separation is pe...
Repository : Whiterose Research Online
Language(s) : Undetermined

Catchment scale tracer testing from karstic features in a porous limestone

Author(s) : Maurice, L. , Atkinson, T.C. , Williams, A.T. , Barker, J.A. , Farrant, A.R.
Description : Tracer testing was undertaken from sinking streams feeding the Chalk, a porous limestone aquifer characterised by frequent small-scale surface karst features. The objective was to investigate the nature and extent of sub-surface karstic development in the aquifer. Previous tracer testing has demonst...
Repository : NERC Open Research Archive
Language(s) : Undetermined

Karstic behaviour of groundwater in the English Chalk

Author(s) : Maurice, L.D. , Atkinson, T.C. , Barker, J.A. , Bloomfield, John , Farrant, Andrew , Williams, Ann
Description : Although the Chalk is only weakly karstified, tracer testing from stream sinks has demonstrated groundwater flow velocities comparable to those observed in highly karstic aquifers. Field survey of surface karst features in the catchments of the Pang and Lambourn rivers in southern England demonstrat...
Repository : NERC Open Research Archive
Language(s) : Undetermined

The nature and distribution of flowing features in a weakly karstified porous limestone aquifer

Author(s) : Maurice, L.D. , Atkinson, T.C. , Barker, J.A. , Williams, A.T. , Gallagher, A.J.
Description : The nature and distribution of flowing features in boreholes in an area of approximately 400 km2 in a weakly karstic porous limestone aquifer (the Chalk) was investigated using single borehole dilution tests (SBDTs) and borehole imaging. One-hundred and twenty flowing features identified from SBDTs ...
Repository : NERC Open Research Archive
Language(s) : Undetermined
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Found 5 documents, displaying page 1 of 1