Foreword About the editors List of all contributors Part 1 Groundwater quality 1 The role of the unsaturated zone in determining nitrate leaching to groundwater M. Matrocicco, N. Colombani, E. Salemi, F. Vincenzi & G. Castaldelli 2 Coupling an unsaturated model with a hydro-economic framework for deriving optimal fertilizer application to control nitrate pollution in groundwater S. Pena-Haro, F. Stauffer, C. Clementine & M. Pulido-Velazquez 3 Field tests for subsurface iron removal at a dairy farm in Saxony, Germany J.P. Ebermann, D. Eichhorn,W. Macheleidt, J.J. Ahrns & T. Grischek 4 DNA-microarrays for monitoring natural attenuation of emissions from abandoned landfill sites in contaminated groundwater plumes C. Charle, S. Kuhn & T. Struppe 5 Methodology for determining impacts on the chemical status of groundwater bodies: An application in a Mediterranean river basin (Southern Spain) D. Sanchez Garcia & F. Carrasco Cantos 6 Heavy metals removal from contaminated groundwater using permeable reactive barriers with immobilised membranes I. Zawierucha, C. Kozlowski & G. Malina 7 Event based monitoring and early warning system for groundwater resources in alpine karst aquifers H. Stadler, A. Leis,M. Plieschnegger, P. Skritek & A.H. Farnleitner 8 Cryopegs in theYakutian diamond-bearing province (Russia) S.V. Alexeev, L.P. Alexeeva & A.M. Kononov 9 Hydrogeological studies in diapiric-layering salt formation: The eastern part of the Catalonian Potassic Basin F. Ribera, H. Dorca, N. Otero, J. Palau & A. Soler 10 Hypogenic karst development in a hydrogeological context, Buda Thermal Karst, Budapest, Hungary A. Eross, J. Madl-Szonyi & A.E. Csoma 11 Geochemistry of thermal waters of the Sikhote-Alin ridge, Russia I.V. Bragin, G.A. Chelnokov & M.G. Blokhin 12 Arsenic in groundwater inWestern Anatolia,Turkey: A review O. Gunduz, A. Baba & H. Elpit Part 2 Groundwater management 13 Regional spatial-temporal assessment of the sustainability of groundwater exploitation in the south of Portugal T. Stigter, J.P. Monteiro, L. Nunes, L. Ribeiro & R. Hugman 14 Quality and quantity status and risk assessment of groundwater bodies in the karst areas of Croatia R. Biondic, B. Biondic, J. Rubinic & H. Measki 15 WEAP-MODFLOW as a Decision Support System (DSS) for integrated water resources management: Design of the coupled model and results from a pilot study in Syria J. Massmann, J.Wolfer, M. Huber, K. Schelkes,V. Hennings, A. Droubi & M. Al-Sibai 16 Groundwater recharge evaluation based on the infiltration method S. Stasko, R. Tarka & T. Olichwer 17 Seawater intrusion control by means of a reclaimed water injection barrier in the Llobregat delta, near Barcelona, Catalonia, Spain F. Ortuno, E. Custodio, J. Molinero, I. Juarez,T. Garrido & J. Fraile Part 3 Groundwater - surface water interaction 18 Sustainability of river bank filtration - examples from Germany T. Grischek, D. Schoenheinz, P. Eckert & C. Ray 19 Comparison of established methods to determine infiltration rates in river banks and lake shore sediments M. Soares, G. Gunkel & T. Grischek 20 Estimation of ratio of interception by shelterbelts from the saturated zone to evaporative loss A. Kedziora & D. Kayzer Part 4 Regional groundwater problems 21 Hydrogeological characterisation of the heterogeneity of aquitards from a multilayered system O. Cabaret, A. Dupuy & F. Larroque 22 Hydrogeological characterisation of two karst springs in Southern Spain by hydrodynamical data and intrinsic natural fluorescence J.A. Barbera & B. Andreo Part 5 Data processing & modelling 23 Integration of environmental tracer information with groundwater modelling F. Stauffer & W. Kinzelbach 24 Optimising groundwater monitoring networks using the particle swarm algorithm N. Ganji Khorramdel, S. Javadi, K. Mohammadi, K. Howard & M.J. Monem 25 A novel approach to groundwater model development T.D. Krom & R. Lane 26 Determining natural background values with probability plots T.Walter, A. Beer, D. Brose, D. Budziak, P. Clos,T. Dreher, H.-G. Fritsche, M. Hubschmann, S. Marczinek,A. Peters, H. Poeser, H.-J. Schuster, B.Wagner, F.Wagner, G. Wirsing & R.Wolter Author index Subject index SERIES IAH-Selected Papers