CONTENTS V O L . 2 5 , 1 9 7 5 The relevance of aquifer f l o w mechanisms to exploration and development of groundwater resources M.J. Reeves (Reading, Great Britain), A.C. Skinner (Birmingham, Great Britain) and W.B. Wilkinson (Marlow, Great Britain) . . . . . . . . . . . . . . . . Isotopic composition of groundwater in semi-arid regions of southern Africa J.C. Vogel and H. van Urk (Pretoria, South Africa) . . . . . . . . . . . . . Welsh floodplain studies: the nature of floodplain geometry J. Lewin ( A b e r y s t w y t h , Great Britain) and M.M.M. Manton (London, Great Britain) Digital simulation model of aquifer response to stream stage fluctuation M.A. Marino (Davis, Calif., U.S.A.) . . . . . . . . . . . . . . . . . Dispersion effect of buoyancy-driven convection in stratified flows through porous media J.E. Weber (Oslo, Norway) . . . . . . . . . . . . . . . . . . . . Seasonal variability o f rainwater redistribution by field soils I. Reid (London, Great Britain) . . . . . . . . . . . . . . . . . . The Na'aman springs, northern Israel: salination mechanism of an irregular freshwater-seawater interface A. Arad, U. Kafri and E. Fleisher (Jerusalem, Israel) . . . . . . . . . . . . Geochemistry of groundwaters in the Chad basin A. Arad and U. Kafri (Jerusalem, Israel) . . . . . . . . . . . . . . . . Investigation of vertical groundwater f l o w in boreholes M. Bardhan (New Delhi, India) . . . . . . . . . . . . . . . . . . Optimal monthly operation of interconnected hydroelectric power storages A.I. McKerchar (Wallingford, Great Britain) . . . . . . . . . . . . . . . The Chalk groundwater t r i t i u m anomaly -- a possible explanation S.S.D. Foster (London, Great Britain) . . . . . . . . . . . . . . . .
1 23 37 51 59 71
81 105 127 135 157
Short Communication A note on the heat dispersion effect on thermal convection in a porous medium layer H. Rubin (Haifa, Israel) . . . . . . . . . . . . . . . . . . . .
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Book Reviews Symposium on Advanced Techniques in River Basin Management: The Trent Model Research Programme, Birmingham 1972 - R.T. Clarke . . . . . . . . . . . . . . World Climatology: An Environmental Approach, by J.C. L o c k w o o d -- F. Dixey Environmental Remote Sensing: Applications and Achievements, by E.C. Barnett and L.F. Curtis (Editors) - F. Dixey . . . . . . . . . . . . . . . . . . Fluvial Processes in Instrumented Watersheds: Studies of Small Watersheds in the British Isles, by K.J. Gregory and D.E. Walling (Editors) -- F. Dixey . . . . . . . . . . The Structure of Marine Ecosystems, by J.H. Steele -- S.J. de Groot . . . . . . . . .
172 173
Recent Publications .
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A laboratory investigation of surface r u n o f f V.P. Singh (Socorro, N.M., U.S.A.) . . . . . . . Artificial groundwater recharge, I. Circular recharging area M.A. Marino (Davis, Calif., U.S.A.) . . . . . . . Stream ordering and contour mapping W. Warntz (London, Ont., Canada) . . . . . . .
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167 168 170
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201
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Effect of hysteresis on the prediction of infiltration, redistribution and drainage of water in a layered soil J.H. Dane and P.J. Wierenga (l_as Cruces, N.M., U.S.A.) . . . . . . . . . . . Sediment yields from intermediate-sized stream basins in southern Alberta H.J. McPherson (Edmonton, Alta., Canada) . . . . . . . . . . . . . . . Numerical analysis of confined-unconfined aquifers K.R. Rushton and M.L. Tomlinson (Birmingham, Great Britain) . . . . . . . . . A case study of mine water quality deterioration, Mainsforth Colliery, County Durham T. Cairney and R.C. Frost (Middlesbrough, Great Britain) . . . . . . . . . . A non-linear rainfall-runoff model, providing for variable lag time D.W. Reed, P. Johnson and J.M. Firth (Newcastle upon Tyne, Great Britain) . . . . . Non-equilibrium thermodynamics of electro-osmosis of water through composite clay membranes, 1. The parallel arrangement R.C. Srivastava and A.K. Jain (Kanpur, India) . . . . . . . . . . . . . . Non-equilibrium thermodynamics of electro-osmosis of water through composite clay membranes, 2. The series arrangement R.C. Srivastava and A.K. Jain (Kanpur, India) . . . . . . . . . . . . . . Non-equilibrium thermodynamics of electro-osmosis of water through composite clay membranes, 3. The electro-kinetic energy conversion R.C. Srivastava and A.K. Jain (Kanpur, India) . . . . . . . . . . . . . Recent Publications . . . . . . . . . . . . . . . . . . . . . . . Notes . . . . . . . . . . . . . . . . . . . . . . . . . . .
229 243 259 275 295
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339 353 361