By R. D. Barker, J. H. Tellam, Editors

Sandstone aquifers are universal around the world: they comprise an important percentage of the Earth's clean water offers. despite the fact that, as a result of their textural complexity and the widespread prevalence of either matrix and fracture move, prediction of circulation and pollutant migration remains to be a substantial problem. This quantity encompasses a choice of papers summarizing present study on an instance sandstone aquifer: the united kingdom Permo-Triassic Sandstone series. those pink mattress, organic-poor sandstones are of fluvial and aeolian starting place, are frequently strongly textured, and are lower by means of discontinuities of quite a lot of permeabilities. Matrix move frequently dominates, yet fracture stream additionally happens. The papers within the quantity take care of examine on saturated and unsaturated circulate, and solute and non-aqueous-phase liquid move. They conceal investigations from laboratory to nearby scale, and contain a variety of methods, from petrophysical via geophysical and hydrochemical to modelling. The e-book is meant to be of curiosity to researchers and practitioners excited about water assets and groundwater toxins, and to hydrogeology, water engineering, and environmental technology students.Also to be had: 2 hundred Years of British Hydrogeology - ISBN 1862391556 Sustainable Groundwater improvement - ISBN 1862390975 Palaeowaters in Coastal Europe: Evolution of Groundwater because the overdue Pleistocene - ISBN 186239086X

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Extra resources for Fluid Flow and Solute Movement in Sandstones: the Onshore UK Permo-Triassic Red Bed Sequence (Geological Society Special Publication No. 263)

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1982; Jackson & Lloyd 1983; Rivett et al. g. Sage & Lloyd 1978; Parker et aL 1985; Tellam 1994). There has even been some success at using simple rule-based systems for describing regional distributions (Tellam 1996). g. Papatolios & Lerner 1993; Evers & Lerner 1998; Trowsdale & Lerner 2003), water arriving at a well may be from a wide range of flow paths (Fig. 14), and the regional patterning should be considered as patterning of wellwater chemistry rather than groundwater chemistry. 2 0 1900 1950 2000 Year 27 Mersey Basin indicates a very complex pattern of ages reflecting recharge zones, hydraulic 'traps' associated with discharge zones and lowpermeability faulting, and the regional effects of abstraction.

Earth and Planetary Science Letters, 122, 159-172. ANTONELLINI,M. & AYDIN,A. 1994. Effect of faulting on fluid flow in porous sandstones. A A P G Bulletin, 78, 355-377. , AYDIN, A. D. 1994. Microstructure of deformation bands in porous sandstones at Arches National Park, Utah. Journal of Structural Geology, 16, 941-959. E. 1942. The electrical resistivity log as an aid in determining some reservoir characteristics. Transactions of the American Institute of Mining and Metallurgical Engineers, 146, 54-62.

2006) (Joyce et al. 2006). (e) & (d) Breakthrough in fractured and developed intervals over similar distances between pairs of boreholes approximately 100 m distant from those of (a) & (b) (Sauer in prep). Note that pumping rates/interval thickness ratios for the tests vary considerably. ). expected. Modelling work by Stafford et aL (1998) shows that a small number of higher permeability truncated fractures in an aquifer with a low-permeability matrix could explain the unusually large spreading of plumes in a fractured permeable-matrix aquifer.

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