Recharge systems for protecting and enhancing groundwate

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TOPIC 3 Modelling aspects and groundwater hydraulics 459 of the path lines lead to the North recently, towards the alluvial plain of the River Mulde. This calculation does not take into account, that distinct groundwater exploitation wells are used with varying extraction rates within the modelled area. Therefore, the local patterns of the path lines can be deviating in detail. Figure 4. Calculated general path lines direction and distribution of the fluvial system of the regional groundwater model. The different influences of the subsurface Quaternary channel-fill are indicated. Local groundwater extraction and changing groundwater flow directions are not taken into account. CONCLUSION The detailed digital geological 3D model is an important need of subsequent numerical groundwater models in the field of fate and pathway prediction of regional contaminated groundwater aquifers. The step forward in getting detailed results which are based on true 3D structural models which are coming close to a ‘real world scenario’ seems to be convincing and a ‘must’ in the field of heterogeneous aquifers and related environmental risk and exposure assessment. As demonstrated in this paper, the detailed 3D geological modelling of the Bitterfeld area has shown that already the most detailed and realistic geological model enables the analysis of sorption processes and especially hydraulic effects of rising groundwater levels. The lignites are the most contaminant bearing layers due to their high adsorption capabilities for organic substances. Thus their distribution is of high importance for long-term transport processes of the groundwater contaminants. The GIS database was used for linking the geological model and numerical groundwater model. The two groundwater models were built, representing a local scale, and a 10 – 16 June 2005, Berlin ■ 5th International Symposium ■ AQUIFER RECHARGE ■ ISMAR 2005
460 TOPIC 3 Modelling aspects and groundwater hydraulics regional scale, respectively. The groundwater modelling includes aspects of groundwater balances, flow and solute transport prediction. The results show the importance of hydraulic relevant structures within the 3D geological model, as shown by the Quaternary channel-fill structure. The GIS environment of ArcView allows combining several different thematic layers to get valuable answers to environmental questions, e.g risk assessment of groundwater contamination, fate and pathway prediction, and land use planning concepts. Parts of this work were funded by the SAFIRA project (E1.1 FKZ 02WT0023) and the Ac-Hoc Project (FKZ PTJ0330492) by the BMBF, German Federal Ministry of Education and Research. REFERENCES Geller, W., Ockenfeld, K., Böhme, M. and Knöchel, A. (2004): Schadstoffbelastung nach dem Elbe-Hochwasser 2002 – Endbericht. 460 pp., Umweltforschungszentrum Leipzig-Halle. Heidrich, S., Schirmer, M., Weiß, H., Wycisk, P. Großmann, J. and Kaschl, A. (2004). Regionally contaminated aquifers – toxicological relevance and remediation options (Bitterfeld Case Study). Toxicology, 205, 143–155. Weiß, H. Teutsch, G. and Daus, B. (2004). Zusammenfassender Abschlussbericht – Projektverbund SAFIRA. UFZ- Bericht 13/2004, Leipzig, 366 pp. Wycisk, P., Neumann, Ch. and Gossel, W. (in press) Flooding induced effects from the mining lake Goitzsche on the groundwater and land-use in the Bitterfeld area (Germany).- Acta Hydrochem. et Hydrobiol., 23 pp. Wycisk, P. Fabritius, H., Ruske, R. and Weiß, H. (2002). Das digitale geologische Strukturmodell Bitterfeld als neuer Baustein in der Sanierungsforschung. Grundwasser, 7(3), 165–171. Wycisk, P. and Weiß, H. (2002). Groundwater pollution and remediation options for multi-source contaminated aquifers.- EUROTOX Congress, Budapest, Toxicology Letters, 135 (Suppl. 1), p. 14. Wycisk, P., Fabritius, H., Franke, B., Ruske, R. and Weiß, H. (2003). 3-D modeling of complex geological structures and its relevance for a risk based management and remediation approach – Examples from the Bitterfeld / Wolfen megasite, Germany. Consoil Proccedings 2003, 12–16.05.2003, Gent. Wycisk, P., Weiss, H., Kaschl, A., Heidrich, S. and Sommerwerk, K. (2003). Groundwater pollution and remediation options for multi-source contaminated aquifers (Bitterfeld/Wolfen, Germany). Toxicology Letters, 140-141, 343–351. ISMAR 2005 ■ AQUIFER RECHARGE ■ 5th International Symposium ■ 10 –16 June 2005, Berlin
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IHP-VI, Series on Groundwater No. 1
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Organising Committee Francis Luck,
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Preface The principle objective beh
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ASR well field optimization in unco
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9 TOPIC 3. Modelling aspects and gr
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11 The impact of alternating redox
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13 Evaluation of infiltration veloc
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TOPIC 1 Recharge systems River/lake
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18 TOPIC 1 Recharge systems / River
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TOPIC 1 34 Recharge systems / River
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TOPIC 1 48 Recharge systems / River
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74 TOPIC 1 Recharge systems / Injec
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100 TOPIC 1 Recharge systems / Inje
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V Review of effects of drilling and
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V Water quality changes during Aqui
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V Proposed scheme for a natural soi
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176 TOPIC 1 Recharge systems / Alte
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178 TOPIC 1 Recharge systems / Alte
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TOPIC 1 Alternative recharge system
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V Roof-top rain water harvesting to
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V Assessment of water harvesting an
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V A comparison of three methods for
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TOPIC2 Geochemistry during infiltra
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V Use of geochemical and isotope pl
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V Anaerobic ammonia oxidation durin
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V Hydrochemical evaluation of surfa
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V Exploring surface- and groundwate
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V Biological clogging of porous med
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TOPIC 3 Modelling aspects and groun
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332 TOPIC 3 Modelling aspects and g
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V Excess air: a new tracer for arti
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V Colloid transport and deposition
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V Hydrogeochemical changes of seepa
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V Quantifying biogeochemical change
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V Case studies on water infiltratio
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V A coupled transport and reaction
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V Simulation modeling of salient ar
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V Robustness of microbial treatment
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512 TOPIC 4 Health aspects / Pathog
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V Interactions of indigenous ground
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526 TOPIC 4 Health aspects / Pharma
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TOPIC 4 Pharmaceutical active compo
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TOPIC 4 Persistent organic substanc
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V Fate of trace organic pollutants
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V Fate of wastewater effluent organ
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V Temperature effects on organics r
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TOPIC 5 Clogging effects
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594 TOPIC 5 Clogging effects METHOD
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TOPIC 5 596 Clogging effects centra
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598 TOPIC 5 Clogging effects this k
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600 TOPIC 5 Clogging effects (CPOM)
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602 TOPIC 5 Clogging effects Figure
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604 TOPIC 5 Clogging effects Table
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606 TOPIC 5 Clogging effects elsewh
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608 TOPIC 5 Clogging effects sedime
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610 TOPIC 5 Clogging effects Solan
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612 TOPIC 5 Clogging effects period
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614 TOPIC 5 Clogging effects The re
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618 TOPIC 5 Clogging effects From m
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620 TOPIC 5 Clogging effects 14 0.3
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622 TOPIC 5 Clogging effects during
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V Laboratory column study on the ef
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626 TOPIC 5 Clogging effects Cumula
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V Effect of grain size on biologica
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632 TOPIC 5 Clogging effects sample
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634 TOPIC 5 Clogging effects 6 5 Po
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TOPIC 5 Clogging effects 635 ACKNOW
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V Groundwater resource management o
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TOPIC 6 Region issues and artificia
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V Identification of groundwater rec
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V Improvements in wastewater qualit
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V Underground infiltration system f
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V The ‘careos’ from Alpujarra (
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V Pumping influence on particle tra
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V Basin artificial recharge and gro
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V Investigations of alternative fil
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V Groundwater recharge through cavi
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V Variability and scale factors in
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V Experience of capturing flood wat
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V Hydraulic and geochemical charact
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V Evaluation of infiltration veloci
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DATA ANALYSIS AND DISCUSSION On-sit
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V Infiltration mechanism of artific
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V Groundwater recharge: Results fro
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V Aquifer re-injection as a low imp
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V Sustainability of managing rechar
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TOPIC 7 MAR strategies / Sustainabi
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V Application of GIS to aquifer ret
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V A strategy for optimizing groundw
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V A methodology for wetland classif
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UTM Coordinates Morphometry Influen
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V Use of environmental indicators i
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V Analysis of feasibility and effec
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V Developing regulatory controls fo
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V The Streatham groundwater source:
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V Hydrogeology and water treatment
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V Inexpensive soil amendments to re
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V Mapping groundwater bodies with a
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V Wastewater reuse and potentialiti
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TOPIC 7 Water re-use for agricultur
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SAN LUIS TOPIC 7 Arid zones water m
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TOPIC 7 Arid zones water management
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V Large scale recharge modeling in
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V Investigation of water spreading
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V Qanat, a traditional method for w
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Appendix Authors
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898 APPENDIX Authors / Contact addr
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910 APPENDIX Authors / Index of pag
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912 APPENDIX Authors / Index of pag
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Recharge Systems for Protecting and
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