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TABLE OF CONTENTSKeynote LecturesBOCANEGRA Emilia, CARDOSO Gerson: Groundwater exploitation in fractured rocks in South America . . .3 CUSTODIO Emilio: Hydrologeogical similitarities and differences between volcanic and hard rocks . . . . . . . . .5 FAILLACE Costantino: Hydrogeology of hard rocks in some eastern and western African countries . . . . . . . . .7 ISSAR Arie S: The Biblical story of Moses striking the rock to get water the first report on water in fissured rocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 LW Simon: Anthropogenic effects on flow systems in fractured rocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 SHAPIRO Allen M: The effect of scale on the magnitude of formation properties governing fluid movement and chemical transport in fractured rock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 TEUTSCH Georg, SAUTER Martin: Fractured Rock Aquifer-Analogue: research concept and project implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Topic 1: Hydrogeologic environment of fractured rocksAHOKAS Henry: Summary of hydraulic conductivity measurements and differences between different methods in boreholes KR1 - KR10 at Olkiluoto, Finland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 ALBUQUERQUE Jos do P T: Contribution to the understanding of crystalline systems as aquifers: the experience of the State of Paraba, northeast Brazil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 ANISSIMOV Leonid, KILYAKOV Vladimir, SHEIKINA Angelina: Hydrogeology of fractured dolomite reservoir: Devonian reef complex, Volgograd Region, Russia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 BAE Dae-seok, KOH Yong-kwon, KIM Kyung-su, KIM Chun-soo, KIM Geon-young: Hydrogeological and hydrochemical conditions of a deep groundwater system in the Yuseong granitic rock area, Korea . . . . . . .25 BARROCU Giovanni: Hydrogeology of granite rocks in Sardinia (Italy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27 BLOOMFIELD John P, BUTLER Adrian P, COBBING Jude E, GALLAGHER Alex, GRIFFITHS Kate, MOREAU Magali, WILLIAMS Ann T, PEACH Denis W, BINLEY Andrew: Flow heterogeneity in the fractured Chalk aquifer of southern England . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29 BREILIN Olli, TIKKANEN Jaakko, KESOLA Reino, LEVEINEN Jussi, MURSU Juha: Groundwater from crystalline bedrock in municipal of Leppvirta in southeast Finland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31 BRITO NEVES Benjamim B: Geotectonics and groundwater in Precambrian rocks: the experience of the semiarid Northeast Brazil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 CAMPOS Jos E G, TRGER Uwe: The conceptual model of two "potenciometric surfaces in fractured rock aquifers overlain by thick soil coverage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35 CARRASCO Francisco, ANDREO Bartolom, VADILLO Iaki: Hydrogeological characterization of low-permeability rocks in the north Africa (Ceuta, Spain) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37 CHAMBEL Antnio, KRSN Jir, SASTRE MERLN Antonio, DUQUE Jorge: Comparing transmissivity classes of hard-rock aquifers in the of Iberian area and the Bohemian Massif . . . . . . . . . . . . . . . . . . . . . . . . . . .39 CHO Minjoe, HA Kyoo-Chul, CHOI Young-Sup, KEE Weon-Seo, LACHASSAGNE Patrick, WYNS Robert: Relationship between the permeability of hard-rock aquifers and their weathered cover based on geological and hydrogeological observations in South Korea . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 CHOURASIA L P: Groundwater exploration in a part of hard-rock terrain of Central India using fracturepattern modeling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43 DARKO Philip K, KRSN Jir: Regional transmissivity distribution and groundwater potential in hard rocks of Ghana . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

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DASH Sudhir: Occurrence of groundwater in hard-rock terrains of Sundargarh District, Orissa, India . . . . . . .47 DE LA LOSA Almudena, LPEZ M Teresa, MARTNEZ Pedro Emilio, MONTERO Esperanza, REDONDO Clara, VILLARROYA Fermn, YLAMOS Javier G: Experimental catchment in a hard-rock environment: application to Guadarrama Mountain (Central System, Spain) . . . . . . . . . . . . . . . . . . . . . . . . . . . .49 DOMONEY Reginald, DAVIDS Sean, FIELIES Anthony: Fracture analysis for groundwater targeting in the Kamieskroon region of South Africa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51 DUQUE Jorge, ALMEIDA Carlos: Hydrogeometrical aspects of the gabbro of the Beja Aquifer System . . . . .53 EFTIMI Romeo: A comparative study of the hydraulic parameters and the yield of wells of some sedimentary hard rocks of Albania . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55 ENACHESCU C, MOLNAR P, WOZNIEWICZ J: Hydraulic characterisation of the Uveghuta granite in Bataapati, Hungary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57 ESPOSITO Luigi, NAPPI Michele, PISCOPO Vincenzo, SCESI Laura: Effect of depth on discontinuity aperture: the example of St. Aloisio mine (Northern Italy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59 FERNANDES Amlia Joo: The influence of Cenozoic tectonics on the groundwater-production capacity and vulnerability of fractured rocks: a case study in Sao Paulo, Brazil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61 HENRIKSEN Helge: Extraction of information about well characteristics of hardrock aquifers from GIS-based hydrogeological databases: example from Fennoscandia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63 HUNG L Q, BATELAAN O, SAN D N: Lineament analysis in fractured rocks, methodology and application to the Suoimuoi karst catchment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 ISSAR Arie S: The Table Mountain Group of South Africa: a fissured aquifer of regional importance . . . . . . . .67 JAYAWARDENA Upali de S: The availability of groundwater in crystalline rocks of Kandy area, Sri Lanka . .69 KARAMI Gholam H, YOUNGER Paul L: A novel approach to the assessment of flow type in karst aquifers by evaluation of conventional test-pumping data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71 MARCHAL Jean-Christophe, WYNS Robert, LACHASSAGNE Patrick, SUBRAHMANYAM Kambhampati: Vertical anisotropy of hydraulic conductivity in hard-rock aquifers . . . . . . . . . . . . . . . . . . . . . . .73 MAYO Alan L, NELSON Stephen, TINGEY David, DUTSON Sarah, HARRIS Ron: Flux-induced solution weathering in a large displacement fault damage zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75 MESSERSCHMID Clemens: Deep-seated aquicludes in a fractured carbonate environment, West Bank . . . . .77 MICHEK Robert, MA Jir, VOLN Irena, ALAMEREW Demess, BELETE Yohanes: Hydrogeological study of the western lowlands and adjacent highlands of Ethiopia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79 MILENIC Dejan, ALLEN Alistair: The role of a fractured aquifer between two karstic systems: connection zone or groundwater barrier? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81 MORENO Adriana, ATKINSON Tim C, SIMONS Richard R: Fracture networks: a case study from the Chalk aquifer in East Anglia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83 PETITTA Marco,TALLINI Marco, BENEDETTI Giuseppina, DEL MONACO Francesco: Fracture pattern influence on groundwater discharge along the tectonic border of karst aquifers (Velino Valley, Central Italy) . .85 PRICE Michael: The origin and extent of some fissures in sandstones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87 PULIDO-SILVA Gonzalo, BALLESTERO Thomas P, BARRERA Mara I, MARBET Hallie J, KINNER Nancy E: Developing a conceptual hydrogeological model for a fractured bedrock formation . . . . . .89 RAO Srinivasa Y: Analysis of fractures for groundwater resources identification and its management: an integrated approach using RS and GIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91 RIAHIPOUR M,KALANTARI A, ZARE M: Hydrogeological study of Saldoran fractured karstic aquifer in Zagros thrusted zone, Iran . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93 ROHR-TORP Erik: Groundwater yield in hard rocks south of Oslo, Norway . . . . . . . . . . . . . . . . . . . . . . . . . . . .95 SNCHEZ-NAVARRO J A, CABALLERO J, PREZ-GARCA A: Hydrogeological characterisation of Palaeozoic hard rocks of Vicort and Algairn ranges (province of Zaragoza, Spain) . . . . . . . . . . . . . . . . . . . .97

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STOBER Ingrid: Hydrogeologic properties of deep fractured aquifers in Germany: new data from longduration pumping tests in the Bruchsal geothermal wells and the KTB well at Oberpfalz . . . . . . . . . . . . . . . . . .99 STOJADINOVIC Dusan, ISAKOVIC Dusko: Groundwater in fractured rocks of the Kopaonik massif in the Republic of Serbia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101 STOURNARAS G, ALEXIADOU M Ch, LEONIDOPOULOU D: Correlation of hydrogeologic and tectonic characteristics of the hardrock aquifers in Tinos Island, Hellas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103 SYSTRA Ylo J: Groundwater in fractured rocks of the Karelian Region (NW Russia) and Estonia . . . . . . . . .105 TRGER Uwe, CAMPOS GUIMARAES Jos E, PETERSEN Frederike, VCKLER Hendrik: Groundwater occurrence in fractured metamorhic rocks - quality and quantity: an example from North East Brazil . . . . . . .107 VASVRI Vilmos, KRIEGL Christian: Determination of hydraulic properties in fractured aquifers in Austria 109 VERMA N M: Groundwater modelling and bore selection in fractured rock environment . . . . . . . . . . . . . . . .111 WATKINS David C: Determining a representative hydraulic conductivity of the Carnmenellis Granite of Cornwall, UK, based on a range of sources of information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113 WILKES Shane M, REYNOLDS David, OTTO Claus J: Hydrogeological significance of fractures within the Augustus River catchment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115 WINKLER Gerfried, KUPFERSBERGER Hans, STROBL Elmar: Estimating the change of fracture volume with depth at the Koralm Massive, Austria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117 WRIGHT G R: Experience of fractured aquifers in Ireland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119

Topic 2: Groundwater flow and resources in fractured rocksAHMED Shakeel, MARCHAL JC, SUBRAHMANYAM K, DEWANDEL B, LACHASSAGNE P. : Managing weathered-fractured aquifers in a semi-arid region under monsoon climatic conditions in India . . .123 BATH Adrian: Interpreting the evolution and stability of groundwaters in fractured rocks . . . . . . . . . . . . . . . .125 BENDER Steffen, DORSCH Klaus: Prediction of runoff changes in hard-rock regions using CUTTOS simulation tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127 BOCKGRD Niclas, RODHE Allan: An experimental study of groundwater recharge to fractured bedrock . .129 BRIGHENTI Giovanni: Non-Darcian two-phase flow in fractured rocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131 BRUTHANS Jir, ZEMAN Ondrej: Transit time in karst conduits, saturated and unsaturated zone: tracer tests and isotopic methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133 BUCHTELE J, CURDA S, HRKAL Z, KRSN J: New approach to using GIS in groundwater runoff assessment: the Krun hory Mts., Czech Republic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135 CONRAD Julian, ADAMS Shafick, TITUS Rian: GIS based assessment of groundwater recharge in the fractured rocks of Namaqualand, South Africa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137 COOK Peter G : Groundwater ages in fractured rock aquifers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139 DARKO Philip K, KRSN Jir: Quantitative limits for groundwater exploitation under natural conditions in southwest Ghana . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141 FASS Thorsten, REICHERT Barbara: Determining the groundwater recharge mode of a fractured migmatitic aquifer at local scale in Benin, West Africa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143 HARIA Atul, SHAND Paul: Riparian groundwater processes in an upland fractured aquifer, mid-Wales, UK: Implications for stream flow generation and water quality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145 KRSNJir: Important role of deep-seated hard rocks in a global groundwater flow: possible consequences 147 LARRUZEA Iker F, ANTIGEDAD Iaki: Analysis of groundwater levels in Subijana Carbonate Unit (Basque Country) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149 LEE Leonora J E, LAWRENCE Deborah S L, PRICE Michael: Analysis of recharge mechanisms in the English Chalk using cross-correlation functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151

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LIMAYE Shrikant D: Ensuring sustainability of wells through dry-season recharge from percolation tanks in hard-rock aquifer regions in India . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .153 MARCHAL Jean-Christophe, GALEAZZI Laurent, DEWANDEL Benoit, AHMED Shakeel: Spatial groundwater budget at the watershed scale in a hard-rock aquifer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155 MISSTEAR Bruce, FITZSIMONS Vincent: Groundwater recharge estimation in data-scarce fractured rock aquifers: examples from Ireland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .157 MWAMI James: Groundwater recharge in central Uganda . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159 NAIK Pradeep K, AWASTHI Arun K: Groundwater resources development in the Decan trap country of the western Ghats, India . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .161 OMER Abdeen Mustafa: Focus on groundwater in Sudan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163 PALCSU Lszl, SZNT Zsuzsa, MOLNR Mihly, FUT Istvn, RINYU Lszl, HORVTH Istvn, FRIZS Istvn: Isotope studies of a groundwater-flow system in granite, Middle Hungary . . . . . . . . . . . . . . .165 PANAGOPOULOS George, LAMBRAKIS Nikos: Groundwater responses to recharge and human-induced stresses in the Trifilia karst aquifer, Greece . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .167 PANDA Bibhuti B, BANSBERG Richard, RUCKER Michael: Water storage and recovery project for sustainable groundwater resources in fractured hard-rock aquifer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .169 RAMASESHA C S, REDDY M C: Planning of conjunctive use of surface and ground water in the Ghataprabha irrigation project through numerical groundwater model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .171 RUCH Christophe A, KUPFERSBERGER Hans: Modeling the groundwater flow over four years in a small alpine crystalline headwater catchment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173 SHAND Paul, HARIA Atul: Surface-ground water interactions in an upland fractured aquifer system: implications for the role of groundwater in streamflow generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .175 ILAR Jan: Groundwater residence time in crystalline rocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177 SINGHAL Brij B S: Estimation of groundwater resources in hard-rock aquifers of India . . . . . . . . . . . . . . . . .179 STASKO Stanislaw: Groundwater occurrence in fractured rocks - spatial zonality and temporal changes (Experiment results from Sudety Mts. - Poland) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .181 TARKA Robert: Using recession curves to assess recharge in crystalline massif . . . . . . . . . . . . . . . . . . . . . . . .183 TENU A, DAVIDESCU F, PETRES R, COARNA Lacramioara, STANESCU Gabriela: Conceptual model of a regional karstic hydro-structure based mainly on a long-term isotopic survey . . . . . . . . . . . . . . . . . . . . . .185

Topic 3: Chemical, physical and isotope properties of groundwater in fractured rocksADELANA Segun M A, OLASEHINDE Peter I, VRBKA Petr: Hydrochemical and environmental isotope properities of shallow groundwater of the Basement rock aquifer in Offa Area, SW Nigeria . . . . . . . . . . . . . . .189 ARMAH Thomas E K, JRGENSEN Niels O: Variable aquifer quality characteristics in the crystalline basement terrains in parts of southern Ghana . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .191 AURELI Aurelio, CARRIBBA Salvatore, Di PASQUALE Mario, MAZZURCO Nunzia, PRIVITERA Agata Maria G, SILLUZIO Carmela, TOSTO Stefania: Submarine springs and saltwater intrusion in fractured environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .193 BENDER Steffen: Low mineralized water: challenge for hydrochemical investigations in hard-rock areas . . .195 CHO Byong-Wook, SUNG Ig-Hwan, SONG Gyong-Sun, KIM Sang-Yeon, CHOO Chanf-Oh: Possibility of seawater intrusion in the Ulsan area, South Korea . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .197 FABBRI Paolo, TREVISANI Sebastiano: Temperature in the Geothermal Euganean basin: a simulated annealing approach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .199 FEURDEAN Lucia, FEURDEAN Victor, ZAMFIRESCU Florian, SARBU Serban: Evidence and constrains revealed by environmental stable isotopes in the chemoautotrophic system of the Movile Cave, Romania . . .201

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FRENGSTAD Bjrn, BANKS David: Groundwater chemistry related to depth of shallow crystalline bedrock boreholes in Norway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .203 JRGENSEN Niels Oluf, HEINEMEIER Jan: Isotope studies of saline groundwater in a sandstone aquifer on Bornholm, Denmark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .205 KADLECOV Renta, BUZEK Frantiek, K Karel: Isotopic study in karst-fractured aquifers: Bohemian Karst, Czech Republic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .207 KAZEMI Gholam A: Quality and vulnerability of groundwater in the Shahrood District, Northeast Iran . . . . .209 KLOCKARS Joonas, LIPPONEN Annukka: Quality of bedrock groundwater in the communal supply wells of Leppvirta, eastern Finland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .211 LIVSHITZ Yakov, ISSAR Arie S: Salinization of water in fractured chalk (Eocene aquifer, Negev, Israel) . . . .213 LOURENO Carla, RIBEIRO Lus: Characterization of mineral waters of Pedras Salgadas (North Portugal) by statistical methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .215 MARQUES Jos M, ANDRADE Mrio, CARREIRA Paula M, GRAA Rui C, AIRES-BARROS Lus: Evolution of CO2-rich mineral waters from Hercynian granitic rocks, North Portugal: questions and answers 217 MARQUES Jos M, ESPINHA MARQUES Jorge, CARREIRA Paula M, ANDRADE Mrio, GRAA Rui C, AIRES-BARROS Lus, CARVALHO Jos M, CHAMIN Helder I, BORGES Frederico S: An isotopic approach to sustain recharge sources of low-temperature geothermal waters, North Portugal . . . . . . . . . . . . . .219 MORGAN Karina, JANKOWSKI Jerzy: Origin of salts in a fractured bedrock aquifer in the Central West Region, NSW, Australia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .221 TITUS Rian, XU Yongxin, ADAMS Shafick, PIETERSEN Kevin: The hydrochemical characteristics of basement aquifer systems in Namaqualand, South Africa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .223 TRGER Uwe, GAMBIER COSTA Jos F, HAESBAERT Fabio F: The thermal aquifer and the springs of the Serra de Caldas area - Goias, Brazil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .225 VILHELM Zdenek: Upper Permian brine formation in the Czech part of the Bohemian Massif: paleohydrogeologic environment, hydraulic parameters estimation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .227 ZARE M, RAEISI R, JAFAR H, MOORE F: Hydrochemistry of the Shir-kuh granitoid hard-rock aquifer, Iran. Part 1: Spatial and Temporal Variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .229 ZARE M, RAEISI E, JAFAR H, MOORE F, KARAMPUR F: Hydrochemistry of the Shir-kuh granitoid hard-rock aquifer, Iran. Part 2: Mass balance study . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .231

Topic 4: Investigation and interpretation methods in fractured rocks environmentARMAH Thomas E K: Using digital elevation model analysis to augment satellite and aerial photo interpretations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .235 BETSON Mark, ROBINS Nick: Using permeability to estimate vulnerability to diffuse pollution on fractured aquifers in Scotland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .237 BRAUCHLER Ralf, LEVEN Carsten, DIETRICH Peter: Multivariate statistical approach for characterizing flow and transport processes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .239 BRAUCHLER Ralf, LIEDL Rudolf, DIETRICH Peter: Identification of the diffusivity distribution by using a new hydraulic tomographic approach derived from travel time tomography . . . . . . . . . . . . . . . . . . . . . . . . . .241 BUNKER James V: Application of the oriented core drilling/sampling method to environmental site investigations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .243 CHAMBEL Antnio, DUQUE Jorge, NASCIMENTO Joo: Hard-rock hydrogeology of the Alentejo Region (South Portugal): new cartography based on results of the "ERHSA Project . . . . . . . . . . . . . . . . . . . . . . . . . .245 DUQUE Jorge: The use of VLF-EM survey for hydrogeologic purposes in a porphyric unproductive hard-rock aquifer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .247 EDET Aniekan, OKEREKE Chiedu: Contribution to the development of groundwater resources in the Precambrian Oban massif, southeastern Nigeria, based on geoelectrical and hydrochemical data . . . . . . . . . . .249

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FILHO Joao Manoel: A fractal dimension model for hydraulic parameter evaluation from single well pumping tests in fractured media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .251 GRSLE Werner, KESSELS Winfried, RIFAI Haifa: A tracer based flow-log technique to assess hydraulic properties in deep fractured-porous aquifers of low permeability applied in the 4128 m pilot borehole of the KTB, Germany . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .253 HARTMANN Silke, ODLING Noelle E, WEST L Jared: Radially convergent tracer test in the Chalk . . . . . . .255 HERFORT Martin, SAUTER Martin: Investigation of matrix diffusion in deep hot-dry-rock reservoirs using single-well injection-withdrawal tracer tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257 KRSN Jir: Hydrogeologic maps in hardrock environment: what should they represent? . . . . . . . . . . . . . . .259 KRISHNAMURTHY N S, KUMAR Dewashish, RAO V Ananda, JAIN S C, AHMED S: Multi-parameter geophysics: an essential tool to delineate aquifers in fractured rocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .261 LE BORGNE T, BOUR O, DE DREUZY J-R, DAVY P: Flow model relevant to fractured crystalline aquifers: insights from a scaling interpretation of pumping tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .263 LODS Gerard, GOUZE Philippe: Pump tests analysis in fissured media: combination of fractional flow with double continuum approach and leakance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .265 LOVE Andrew J, COOK Peter G, SIMMONS Craig T: Well Dilution: a new method to identify flow zones and relative horizontal flow rates in a well . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .267 LUNATI Ivan, VONTOBEL Peter, KINZELBACH Wolfgang, LEHMANN Eberhard: Laboratory visualization of two-phase flow in a natural fracture by neutron tomography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .269 MARCINIAK Marek: On-site determination of hydraulic conductivity in fractured rocks with double porosity 271 MCDERMOTT C I, SAUTER M, LIEDL R, TEUTSCH G: Streamtube model used to define anisotropic tensors describing tomographical three dimensional gas flow and transport within fracture networks at a laboratory benchscale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .273 MEJAS Miguel, LPEZ-GETA Juan A: Instrumentation and methodology for the hydraulic characterization of fractured rocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .275 NOIRIEL Catherine, GOUZE Philippe, MADE Benot, BRUDERER Cline, LEPROVOST Richard, POIDRAS Thierry: 3D characterisation of the micro-geometry changes of a single fracture in the course of dissolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .277 PROBST Michael: New approaches towards an integrated model-based understanding of groundwater-flow in fractured-aquifer catchments and implications for practical problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .279 PULIDO-SILVA Gonzalo, BALLESTERO Thomas P, KINNER Nancy E: Large displacement slug tests . . . .281 RAMASESHA C S, SAIVASAN V , KARS A: Remote sensing and geophysical applications for identification of deep seated potential aquifers in a Precambrian crystalline formation: case study in Bellary district Karnataka, India . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .283 RAMASESHA C S, SHETTY G Y, SHIVASHANMUGANATHAN S: Optimisation of aquifer parameters in a fractured aquifer system using numerical groundwater model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .285 RAMSTAD Randi K, HILMO Bernt Olav, SKARPHAGEN Helge, HIORTH Espen, BRATTLI Bjrge: The effectiveness of hydraulic fracturing in hard-rock wells: case studies . . . . . . . . . . . . . . . . . . . . . . . . . . . . .287 RAPANTOV Nada, GRMELA Arnot: Rock massif anisotropy evaluation based on hydrodynamic testing .289 ROBLEDO P, DURN JJ: Fractal analysis application to the temporal distribution flow drained for karstic springs in the south of Spain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .291 ROUHIANEN Pekka, KOSKINEN Lasse: Interconnected flow measurement between boreholes using a borehole flowmeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .293 SNCHEZ-NAVARRO Jos A, CABALLERO Juan: GIS-based vulnerability maps of groundwater to acid deposition: application to the Gro river basin (Zaragoza-Spain) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .295 SEQUEIRA Lener, MENDOZA Jos A: Geophysical methods for groundwater exploration in Ocotal, northern Nicaragua . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .297 TAM V T, De SMEDT F, BATELLAAN O, DASSARGUES A: Interpretation and analysis of aquifer tests in fractured-karstified carbonate limestone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .299

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VAN DEN DAELE Gerd FA, CONNELL Luke D, ATKINSON Tim C, BARKER John A: A tracer investigation into the importance of diffusive exchange in the unsaturated zone of the British Chalk . . . . . . . 301 VAN TONDER Gerrit J, BOTHA Jopie F, DENNIS Ingrid: A new solution for step-drawdown tests, including flow dimension and elasticity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .303 VASVRI Vilmos: Use of electrical borehole measurements for determination of fracture parameters . . . . . .305 WEEDE Matthias, LAMBERT Michel, HTZL Heinz: Experiments on flow and transport processes in fractured porous media in dependence on fracture and rock permeability . . . . . . . . . . . . . . . . . . . . . . . . . . .307 WIMMER Guido: GIS - supported evaluation of groundwater yield in fractured rocks of the Rhenish Massif / Germany . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .309

Topic 5: Anthropogenic impacts on fractured environmentADAR Eilon, NATIV Ronit: Isotopes as tracers in a contaminated fractured chalk aquitard . . . . . . . . . . . . . . .313 ANNA Lawrence, FAHY M, BIANCHI R, McKEOWN M, CHATOIAN J: Effects of tunnelling on the groundwater resources of the southwestern San Bernardino Mountains, California, USA . . . . . . . . . . . . . . . . .315 ATTANAYAKE P: Identifying hydrologic/hydrogeologic impacts caused by tunnel construction . . . . . . . . . . .317 BALLUKRAYA P. Narayana: Hydrogeology of an over-exploited hardrock area: a case study . . . . . . . . . . . . .319 BURGER Ulrich, MILLEN Bernard, BRANDNER Rainer: Northern section of the Brenner Base Tunnel: hydrogeological remarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .321 CARNEIRO Jlio F: Probabilistic delineation of groundwater protection zones in fractured-rock aquifers . . .323 CELICO Fulvio, MUSILLI Ilaria, NACLERIO Gino: Breeding impacts on groundwater pollution in carbonate aquifers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .325 DELOUVRIER Jacques, BUEHLER Christoph: The Use of Adapted Testing Tools and Testing Program Allows the Estimation of Water Drainage from Tunnels under Construction and Tunnels in Service . . . . . . . . . . . . . . .327 DOTTRIDGE Jane, HARDISTY Paul: Influence of lithology on persistence of NAPL in fractured aquifers . .329 FAHRENHOLZ C, BREWITZ W, FEIN E, SCHNIGER M: Groundwater flow model for a disposal site in a granitic massif . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .331 FISCH Hansruedi, MAMMEL Rebekka, POSCHER Gerhard, REICHL Ignaz: Methods of fractured aquifer characterisation using an example of a brittle fault zone in calcareous rock . . . . . . . . . . . . . . . . . . . . . . . . . . . .333 FOUCH Olivier, SAVAJOL Audrey, MONIN Nathalie, FABRE Denis, POUYA Ahmad: Assessment of free groundwater hazard in tunneling: use of stochastic fracture network simulation and homogenisation . .335 GARZONIO Carlo Alberto, ZUPPI Gian Maria: Hydrogeological analyses and modelling of water resources of the Gavorrano mine (Italy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .337 GAUT Amund, KLVE Bjrn, KVRNER Jens, SNILSBERG Petter: The hydrogeological consequences of reduced groundwater levels after tunnel constructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .339 GAUT Sylvi, BRATTLI Bjrge, STORR Gaute: Factors influencing bacteriological quality of groundwater in Norwegian bedrock wells . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .341 GRENIER Christophe, FOURNO Andr, MOUCHE Emmanuel, BENABDERRAHMANE Hakim: From site characterization to performance assessment models for transport in a single fracture at sp site : assessment of retention processes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .343 HIDALGO M. Carmen, BENAVENTE Jos, ALMCIJA Carmen, MARN Carlos, IZQUIERDO Alberto, PEINADO Toms, RUBIO Juan C : Anthropogenic influences on hard-rock hydrogeology: Linares granite mining district, Spain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .345 HOWARD Ken W F: Bacteria transmission in fissured carbonates fatal consequences in Walkerton, Ontario .347 HRKAL Z: Groundwater acidification in Central Europe: progress, regress or stable state? . . . . . . . . . . . . . . .349 JEWELL Christopher : Hydrogeology and hydrochemistry of the Triassic rocks of the Sydney basin . . . . . . .351 KOZUBEK Petr: Multi-technological groundwater remediation in fractured rocks . . . . . . . . . . . . . . . . . . . . . .353

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KUBRICHT Jir, DUSLEK Pavel: Case study of geochemical stabilization of hexavalent chromium in groundwater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .355 LIPPONEN Annukka, MANNINEN Sari, NIINI Heikki, RNK Esa: Unlined bedrock tunnel as a solution to water-conveyance: effect of water on the long-term stability of fracture zones in the Pijnne Tunnel, Finland 357 LFMAN Jari, MSZROS Ferenc: Dynamic and transient simulation of the free groundwater table at Olkiluoto, Finland, using an automatic, adaptive mesh generator FEFTRA/octree . . . . . . . . . . . . . . . . . . . . . . .359 MILLEN Bernard, BRANDNER Rainer, BURGER Ulrich, POSCHER Gerhard: The essential geology and hydrogeology for 92 km of tunnelling, Austria/Italy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .361 MUZIKR Radomr, HJEK Antonn, KOSCIELNIAK Pavel: Groundwater protection downgradient from a sludge lagoon of the Rozna uranium deposit, Czech Republic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .363 NORRSTRM Ann-Catrine, KNUTSSON Gert, THUNQVIST Eva-Lotta: Identifying the sources of different pollutants to municipal wells in hard rock, SE Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .365 PAUL Michael, GENGNAGEL Manfred, ECKART Michael: Numeric groundwater modelling in fractured environment: a planning tool for uranium mining remediation (Ronneburg site- Esatern Thuringia, Germany) 367 PEREIRA M do Rosrio, ALMEIDA Carlos: Groundwater pollution assessement using discriminant variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .369 PESENDORFER Marc, LOEW Simon, ZIEGLER Hans Jakob: Hydraulic characterisation of karst structures and water-containing fractures in deep underground excavations . . . . . . . . . . . . . . . . . . . . . . . . . . .371 POCHON Alain, MEYLAN Benjamin, TRIPET Jean-Pierre, ZWAHLEN Francois: Delineation of groundwater protection zones in fractured media: presentation of a new systematic methodological approach 373 REICHL Ignaz, MAMMEL Rebekka, KECH Michael, POSCHER Gerhard, FISCH Hansruedi: Temporary artificial drawdown of a joint aquifer: test design and methodology shown on a tunnelling project in an artesian spa-water aquifer, Tyrol, Austria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .375 RIBEIRO Lus, SERRA Elizabete, PARALTA Eduardo, NASCIMENTO Joo: Nitrate pollution in hardrock formations: vulnerability and risk evaluation by geomathematical methods in Serpa-Brinches aquifer, South Portugal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .377 ROULEAU Alain, GUHA Jayanta, ARCHAMBAULT Guy, BENLAHCEN Abdelmounem: An overview of the hydrogeology of the Precambrian basement in Quebec and related mining problems . . . . . . . . . . . . . . .379 RUDOLPH-LUND Kim, SKURTVEIT Elin, ENGENE Bjarne, MYKLAND Johan: Active groundwater monitoring and remediation during tunnelling through fractured bedrock under urban areas . . . . . . . . . . . . . .381 SAVOYE Sbastien, CABRERA Justo, MATRAY Jean-Michel: Different hydraulic properties of single fractures in argillaceous medium: the case of the IRSN Tournemire site (France) . . . . . . . . . . . . . . . . . . . . . . .383 SOBOLEV Gennady, MOROZOV Vladislav, PONOMAREV Alexander, TATARINOV Victor, BELOV Sergey: Development of technology of groundwater pollution assessment and environmental research in the Karabash region . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .385 SUBRAHMANYAM K: The impact of industrial effluents on water quality in a geologically contrasting terrain, Andhra Pradesh, India . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .387 VAN HASSELT Blanca, AMANTINI Eric, CABON Franois, BODIN Jean-Luc: Hydrogeological monitoring during construction and operation of underground LPG storage facilities in mined caverns . . . . . .389 VOSS Clifford I, TIRN Sven A: Hydrogeologic characterizations of a fractured crystalline rock site in Sweden based on intensive surface, borehole and subsurface investigations . . . . . . . . . . . . . . . . . . . . . . . . .391

Topic 6: Numerical modelling of fractured environmentBEYER Mathias, MOHRLOK Ulf: Determination of effective parameters for flow and transport in fractured porous media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .395 BLOOMFIELD John P, BARKER John A: MOPOD: a model to investigate fracture porosity development . .397 BLUM Philipp, MACKAY Rae, RILEY Michael S: Coupled hydro-mechanical modelling of flow in fractured rock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 399

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UK BOTHA Joseph F, CLOOT Alain H J: Modelling groundwater flow in an elastic confined aquifer . . . . . .401 DYKHNE Alexander M, DRANIKOV Ilia L, KONDRATENKO Petr S, POPOV Alexey V: Anomalous diffusion in regular fractured media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .403 FOURNO Andr, GRENIER Christophe, MOUCHE Emmanuel, BENABDERRAHMANE Hakim: Qualification and validity of a smeared fractures modelling approach for transfers in fractured media . . . . . . .405 GOUZE Philippe, TENCHINE Sandra, LOGGIA Didier, BRUDERER Cline, FEDOROV Alexei, ADLER Pierre M, THOVERT Jean-Franois, GRESWELL Richard, RILEY Mick, PARKER David J: A study of the dispersion in a single thin fracture using Positron Emission Projected Imaging . . . . . . . . . . . . .407 HASE Martin, VOGEL Thomas, LAGENDIJK Vincent R, KNGETER Jrgen: A statistical approach to build up a multi-continuum model describing flow and transport processes in fractured permeable sandstone . . . . .409 JOHNSTON Peter, ATKINSON Tim, ODLING Noelle, BARKER John: Tracer breakthrough, hydraulic properties and fracture networks at sub-continuum scales in aquifers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .411 ODLING Noelle E, WEST L Jared, HARTMANN Silke: Modelling advective and diffusive transport in fractured chalk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .413 PULIDO-SILVA Gonzalo, BALLESTERO Thomas P, KINNER Nancy E: HyTests: a set of numerical models for hydrogeologic parameters estimation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .415 RUIZ Eduardo, SNCHEZ-VILA Xavier, VIVES Luis, CARRERA Jesus, ELORZA Francisco Javier, BAJOS Carmen, VELA GUZMN Antonio: A methodology for solving the inverse flow and transport problem in discrete fracture networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .417 SHARP Jr John M, GARNER Terence T, PHYU Thandar, ROBINSON Neville I: Solute transport in crystalline rocks with fracture skins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .419 SUESS Mia, EICHEL Hartmut, HELMIG Rainer: The verification and the further development of a method for the determination of the spatial distribution of heterogeneities based on numerical simulations . . . . . . . . .421 VOGEL Thomas, HASE Martin, LAGENDIJK Vincent R, KNGETER Jrgen: Applying the multi-continuum approach to experimental data of tracer experiments in fractured permeable sandstone . .423 YURKOV Yuriy I, KOROTKIN Ivan A, KISELEV Vladimir P, GOLOVIZNIN Vasiliy M, SEMENOV Vladimir A: Solution of an inverse problem of identification of fractional diffusion parameters . . . . . . . . . . . .425

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