Eduard Hoehn, Dr. sc.nat. ETH

Scientific Researcher – Consultant - Lecturer
Hydrogeologist (IAHS, AGU, EGU, SGH, EurGeol, CHGeol)

last change: 1/07

office:            Ueberlandstr. 133, CH-8600 Dübendorf, Switzerland,

                       phone: +41-(0)44-823-5525 (voice),

                       e-mail: hoehn@eawag.ch.

 

home:           Buchserstr. 44, CH-8157 Dielsdorf, Switzerland,

                       phone: +41-(0)44-853-3000; cell: +41-(0)79-509-8032,

                       e-mail: fam.hoehn@bluewin.ch.

 

 

 

Projects

Major Publications

Links

CV, excerpt

Full Publication List

Full CV (German)

Former Diploma Students - Hall of Fame

 

 


 

Projects

Exchange Between Ground Water and Surface Water


        


 

Keywords:

Bank Filtration,

Losing/Gaining (Downwelling/Upwelling) rivers,

Hyporheic Ground Water, Riparian Ecology,

Spring Hydrogeology;

 

Problems Studied:

Contamination Risk of Bank-Filtrated Hyporheic Ground Water,

Wetland Protection and River Rehabilitation,

Effects of Hydropower Generation on River/Aquifer Systems;

 

Eawag-Team:

Rolf Kipfer, Olaf Cirpka, Markus Boller, Thomas Egli

 

Projects:

           Oekostrom:  Green Hydropower (2000 – 2004),

           Rhone-Thur-Project:  Thur Valley Alluvial Groundwater Project (since 2001);
                        External Project Partners: Dr. Andreas Scholtis, Dr. Marco Baumann (Kanton Thurgau),

          

           Trinkwasser :  Study on the microbiology and geochemistry of Alpine springs (since 2006);
                        External Project Partners: Christoph Plattner, MWN, Brauerei Eichhof
,

           Fate of Perfluorocarbons during artificial recharge of “recycled” water;
                        External Project Partner: Stanford University (Prof. Martin Reinhard), REINHARDGROUP.

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Radon as a Groundwater Tracer


                                                     


 

Keywords:

Radon-222 (Emanation) Water Age,

Radon-220/Radon-222 Ratio  à  Mixing With Alluvial Groundwater,

Artificial Recharge,

Detection of NAPLs;

 

Problems Studied:

Residence time of hyporheic ground water: < 15 days,

Fate of downwelling Trace Contaminants,

NAPL plume characterization,

Radon-220 (Thoron) as a groundwater tracer,

Submarine groundwater discharge (SGD);

 

Team:

Rolf Kipfer, Michael Berg, Tom Gonser;

 

Projects:

           Continuous Radon Monitoring (since 2002);
                        External Project Partner:  Univ. Neuchâtel, Switzerland (Dr. Heinz Surbeck) NUCFILM,

           Hyporheic habitat, Flathead River (since 2003);
                        External Project Partners: Universitiy of Montana, Pinawa (Prof. W.W.Woessner; Prof. J.A. Stanford),

           Detection of tetrachloroethylene (PER) plumes in ground water (since 2004),

           SGD at Elkhorn Slough, CA (since 2006) ;
                        External Project Partner: Stanford University (Prof. A. Paytan), PAYTANGROUP.

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Ground Water Tracer Studies

Keywords:

Stimulus-Response Principle,

Residence Times and Mixing;

 

Problems Studied:

Radionuclide transport,

Transport behavior of rhodamine water tracer (RWT);

 

Team:

Urs von Gunten, Rolf Kipfer;

 

Projects:

           In-situ oxygenation of ground water (KTI; 1997-2002),

           Radionuclide Transport (NSF-SCOPES-JRP, 2000-2003;
                        Project Partners:      Dr. Vyacheslav Rumynin, Russian Academy of Sciences, St. Petersburg Div. ;
                                                            Prof. Vyacheslav Shestopalov, Ukrainian Academy of Sciences, Kiev) ;
                                                ITC-Workshop on „Case Studies of Subsurface Radionuclide Migration, May 5 – 7, 2004;

 

           RWT as a proxy for the attenuation of tracer organic contaminants;
                        Project Partner:        Stanford University (Prof. Martin Reinhard), REINHARDGROUP.

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Contaminated Sites/Wastes Disposal/Geogenic Groundwater Contaminant

Keywords:

Contaminant Transport, Solid-Liquid Interactions;

 

Problems Studied:

Site Management;

 

Team:

Annette Johnson;

 

Projects:

           Water Resources Management (since 2004): WRQ
                        Uranium as a geogenic groundwater contaminant, ;
                        detection with airborne gamma-ray spectroscopy (AGS);

           Clean-Up of Sondermülldeponie Kölliken SMDK.

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Major peer-reviewed publications

 

Exchange Between Ground Water and Surface Water

Fette, M., R. Kipfer, C.J. Schubert, E. Hoehn, & B. Wehrli, 2005, Assessing river–groundwater exchange in the regulated Rhone River (Switzerland) using stable isotopes and geochemical tracers, Appl. Geochem. 20, 701–712.  doi:10,1016/j.apgeochem.2004.11.006

Huggenberger, P., E. Hoehn, R. Beschta, and W. Woessner, 1998, Abiotic aspects of channels and floodplains in riparian ecology, Freshwater Biol. 40(3), 407-426. {22 cit. SCI, 2005}.  .pdf

Von Gunten, H.R., G. Karametaxas, U. Krähenbühl, M. Kuslys, R. Giovanoli, E. Hoehn, and R. Keil, 1991, Seasonal biogeochemical cycles in riverborne groundwater, Geochim. Cosmochim. Acta 55(12), 3597-3609. {56 cit. SCI, 2005}.

Hoehn, E., and P.H. Santschi, 1987, Interpretation of tracer displacement during infiltration of river water to groundwater, Water Resour. Res. 23(4), 633-640.

Schwarzenbach, R.P., W. Giger, E. Hoehn, and J.K. Schneider, 1983, Behavior of organic pollutants during infiltration of river water to groundwater. Field studies, Environ. Sci. Technol. 17(8), 472-479 {127 cit. SCI, 2005}.

 

Radon in Ground Water

Hunkeler, D., E. Hoehn, P. Höhener, and J. Zeyer, 1997, Rn-222 as a partitioning tracer to detect diesel fuel contamination in aquifers: Laboratory experiments and field study, Environ. Sci. Technol.31(11), 3180-3187. {20 cit. SCI, 2005}.  doi:10.1021/es970163w

Hoehn, E., H.R. von Gunten, F. Stauffer and Th. Dracos, 1992, Radon-222 as a groundwater tracer - A laboratory study, Environ. Sci. Technol., 26(4), 734-738.

Hoehn, E. and H.R. von Gunten, 1989, Radon in groundwater - a tool to assess infiltration from surface waters to aquifers, Water Resour. Res. 25(8), 1795-1803. {47 cit. SCI, 2005}.

 

Ground-Water Tracer Studies

Eduard Hoehn and Olaf A. Cirpka, Assessing hyporheic zone dynamics in two aluvial flood plains of the Southern Alps using water temperature and tracers, Hydrology and Earth System Sciences (HESS), 10, 553-563.  pdf

Ammann, A.A., E. Hoehn, and S. Koch, 2003, Ground water pollution by roof runoff infiltration evidenced with multi-tracer experiments, Water Research 37, 1143–1153. doi:10,1016/S0043-1354(02)00442-6

Mettler, S., P. Weidler, M. Abdelmoula, R. Schoenenberger, E. Hoehn and U. von Gunten, 2001, Characterization of iron and manganese precipitates from an in situ ground water treatment plant, Ground Water 39(6), 921-930.   .pdf

Hoehn, E., J. Eikenberg, T. Fierz, W. Drost and E. Reichlmayr, 1998, The Grimsel Migration Experiment: Field injection-withdrawal experiments in fractured rock with sorbing radionuclides, J. Contam. Hydrol., 34, 85-106. doi:10,1016/S0169-7722(98)0083-7

Santschi, P.H., E. Hoehn, A. Lück, and K. Farrenkothen, 1987, Tritium as a tracer for the movement of surface water and groundwater in the Glatt valley, Switzerland, Environ. Sci. Technol. 21(9), 909-916.

Hoehn, E., and P.V. Roberts, 1982, Advection-dispersion interpretation of tracer observations in an aquifer, Ground Water 20(4), 457-465. {12 cit. SCI, 2003}.

 

Contaminated Sites / Wastes Disposal

Rumynin, V.G., P.K. Konosavsky & E. Hoehn, 2004, Experimental and modeling study of adsorption–desorption processes with application to a deep-well injection radioactive waste disposal site, J. Contamin. Hydrol. 76(1/2), 19-46. doi:10.1016/j.jconhyd.2004.07.008

Hoehn, E., C.A. Johnson, P. Huggenberger, A. Amirbahman, A. Peter, and H.R. Zweifel, 2000, Investigative strategies and risk assessment of old unlined municipal solid waste landfills, Waste Manag. Res. 18, 1-14.

 

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Edi's Links

 

·         EawagIAHS/ICGW

·         oekostrom

·         AGU

·         CHGeol.

·         EurGeol

·         Flathead Research Station

·         University of Montana, U.S.A.

·         Geologie ETH

·         SGH

·         Schweiz. Hydrol. Komm.

·         Rhone-Thur Project

·         Russian Academy of Science, Institut of Environmental Geology, St. Petersburg Division, Petersburg, Russia

·         Ukranian Academy of Science, Institute of Geological Sciences, Radioecological Center, Kiyv, Ukraine

·         ITC _ The School of Underground Waste Storage and Disposal

·         NUCFILM - Natural Radionuclides

·         Prof. Peter Huggenberger, University Basel

·         SNF, Swiss National Science Foundation

·         Canton Thurgau

·         Prof. Martin Reinhard, Stanford University

·         Prof. Adina Paytan, Stanford University

·         Prof. Steven Gorelick, Stanford University

·         Prof. Antoine Kies, Université de Luxembourg

 

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CV, excerpt

 

Scientific Research Topics:

 

Project Management:

 

International Relationships:

 

Membership, International Scientific Organizations:

 

Membership, National Scientific and Professional Organizations:

 

 

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