Hendricks Franssen, Harrie-Jan

Last update: 02.07.2011

Research interests

Phenomena
- Flow and transport phenomena in porous media
- Surface water- groundwater interaction
- Integrated hydrological modelling
- Land-atmosphere interaction. Especially: Evapotranspiration and convective precipitation.
- Catchment hydrology
- Climatology

Methods
- Sequential Data assimilation with (modified forms of) Ensemble Kalman Filter and Particle Filter
- Monte-Carlo type inverse modelling (model calibration)
- Stochastic models (in general ensemble-based prediction approaches)
- Numerical, physically based hydrological models for water flow, energy transport and solute transport in subsurface, on surface and for interactions between surface and lower atmosphere.
- Conditioning of hydrological models to new data sources like remote sensing, cosmic ray probes, eddy covariance data
- Statistical analysis of measurement data

Applications
- Real-time modeling with data assimilation (software EnKF3d-SPRING)
- Model calibration with sequential self-calibration (software INVERTO)
- Real-time optimization of water resources management, for example irrigation
- Water Resources Management in (semi-)arid regions
- Impact of climate change on water resources
- Protection of drinking water wells
- Underground storage of nuclear waste

Research projects

2001-2003: EU Project W-Sahara: stochastic characterisation of well capture zones.
2005-2008: KTI Project Real time modeling of a well field .

January 2009 - December 2011: SNF-project: Impact of climatic change on groundwater resources.

January 2011- December 2014: TR-32 (Patterns in soil-vegetation-atmosphere systems) # Link-text

April 2011- March 2013: Agadapt (Climate-KIC) (real-time optimization of irrigation at the field scale)

Education

M.Sc. Climatic and Atmospheric Sciences (2008). Specialisations: "Weather systems and atmospheric dynamics", "Climate systems and feed backs", "Hydrology and water cycle." The study consisted of twenty courses (64 credits) and an M.Sc. dissertation (30 credits): Measuring and modelling land-atmosphere exchange fluxes: How can the two activities profit more from each other? supervised by R. Stöckli (NCAR, Colorado) and S. Seneviratne (IAC-ETHZ).

Ph.D. Hydrogeology (2001, summa cum laude). Technical University of Valencia, Spain. Price for the best dissertation in the category of Civil Engineering for the year 2001 at the Technical University of Valencia.
Dissertation topic: Inverse stochastic modelling of groundwater flow and mass transport. Advisor: J.J. Gómez-Hernández.

Specialist in Water Resources Management (1997), Faculty of Civil Engineering, Technical University of Valencia, Spain. Ph.D. courses January 1996- June 1997 (32 credits in total).

M.Sc. Soil Science (1994, cum laude), Wageningen Agricultural University, The Netherlands.
Thesis topics:
1. Sign of the times. Main advisors: Q.J. Munters and G. Spaargaren (theoretical and environmental sociology).
2. Transport of a non-linearly preferentially sorbing solute in a physical heteorogeneous system. Advisors: S.E.A.T.M. van der Zee and W.J.P. Bosma.
3. Analysis of soil pollution data with help of indicator kriging and fuzzy k-means. Advisors: A.C. van Eijnsbergen and A. Stein.
4. Spatial interpolation of soil and climate variables by geostatistical methods for land evaluation purposes. Study area: Seville province, Spain. Main advisor: J. Bouma.

1982-1988. Secondary school in Nijmegen (The Netherlands).

1976-1982. Primary school in Groesbeek (The Netherlands).

Work experience

September 2009 -. Full Professor (W2) "Scientific computation in terrestrial systems" at Technical University of Aachen (Germany) and Forschungszentrum Jülich GmbH.
· Impact of climate change on groundwater resources: (1) predictions on the basis of multiple climate models, including complex bias correction (downscaling), (2) information content of historical groundwater time series, (3) sensitivity studies with integrated hydrological models (PhD project).
· Data assimilation for coupled subsurface flow - surface flow - heat transport problems, focusing on assimilation of thermal data for an improved characterization of river-aquifer interaction. Application: Limmattalaquifer (Zurich, Switzerland) (PhD project)
. Investigation of land surface - atmosphere interactions with help of assimilation of eddy covariance data and soil moisture data in physically based models, with application at the Wüstebach site (Eifel, Germany) (PhD project)
. Multi-scale assimilation of soil moisture data (remote sensing, cosmic ray probes, on-line soil moisture networks) in physically based models, with application at the Rur catchment (Germany) (PhD and Postdoc project)
. Real-time optimization of irrigation making use of information from physically based hydrological models, data assimilation and (uncertain) meteorological predictions (Postdoc project).
. Improved versions of EnKF that are more robust against non-normalities. Applications in groundwater hydrology, including Non-Multi-Gaussian formations, conceptual mdoel errors and assimilation of solute concentration data (collaboration with Technical University of Valencia (Spain) and University of Stuttgart).
. Statistical climatology: weekly cycles in meteorological variables, space-time characterization of precipitation extremes.

August 2005- August 2009. Oberassistent (Senior scientist and lecturer), Section of groundwater hydrology and hydromechanics, Institute of Environmental Engineering, ETH Zurich. Director: W. Kinzelbach. Since November 2008 also (10%) at the Institute of Atmospheric and Climate Sciences of ETH Zurich
· 3D coupled simulations of unsaturated-saturated groundwater flow, river-aquifer interactions and heat transport.
· River-aquifer interaction: the role of heat transport and small-scale variability.
· Recharge calculations. Long-term variability of recharge from historical groundwater time series.
· Data assimilation (real-time modelling) with the Ensemble Kalman Filter and joint updating of states and parameters, both for synthetic cases and a real-world case.
· Performance of (inverse) conditioning methods for the characterisation of flow and transport in non-multi Gaussian porous media.
· Study of the freezing of eleven main lakes in Switzerland during the last century with a statistical analysis of the trends and the relation between freezing and measured air temperature. Statistical analysis of other climate data.
· Studying of land-atmosphere interaction with the CLM 3.5 model and FLUXNET data. Analysis of random and systematic errors in eddy covariance data from 45 sites. Comparison of results from CLM 3.5 and measured values, and sensitivity to soil parameters.
· Co-supervisor of Ph.D. student Amsicora Onnis (-2008). Modelling of the transport of different environmental tracers in the unsaturated and saturated zone of the Aathal gravel aquifer (Baltenswil, Switzerland).
· Co-supervisor of Ph.D. student Gero Bauser (2006-). Real-time control techniques of a drinking water well field.
· Main supervisor of Ph.D. student Sebastian Stoll (from January 2009 onwards). Impact of climate change on groundwater resources and calibration of integrated hydrological models.
· Main supervisor of M.Sc. students Tobias Doppler (2006, river-aquifer interaction), Ivo Engeler (2008, heat transport modeling), Emanuel Huber (2009, monitoring strategies) and Ivo Engeler (2009, thermal data for model improvement).
· Lecturer of "groundwater hydrology for geophycists" and "groundwater hydrology field practicum".

February 2001 – July 2005. Postdoc researcher, Section of groundwater hydrology and hydromechanics, Institute of Hydromechanics and Water resources management, ETH Zurich. Director: W. Kinzelbach.
· Numerical modelling of groundwater flow and contaminant mass transport in unconsolidated aquifers. Inverse modelling of groundwater flow and mass transport. Stochastic groundwater hydrology. Application: Protection zones around drinking water wells.
· Data worth, optimisation of groundwater measurement networks. The influence of uncertain mean transmissivity, variogram and boundary conditions on the characterisation of well capture zones.
· Comparison of different inverse algorithms on synthetic examples.
· Inclusion of pattern information from remote sensing images to improve recharge estimation for regional groundwater flow modelling. Application on the Chobe region in Botswana.
· Co-supervisor of Ph.D. student Amsicora Onnis (from February 2003 onwards). Modelling of the transport of different environmental tracers in the unsaturated and saturated zone of the Aathal gravel aquifer (Baltenswil, Switzerland).
· Teacher of "groundwater hydrology field practicum" and "lab practicum environmental engineering".

January 1996 – January 2001. Ph.D., Department of hydraulic and environmental engineering, School of Civil Engineering, Technical University of Valencia (Spain). Advisor: J.J. Gómez-Hernández.
· Numerical modelling of groundwater flow and mass transport in (fractured) rock formations. Inverse modelling of groundwater flow and mass transport. Stochastic groundwater hydrology. Geostatistics. Development of the code INVERTO for the stochastic inverse modelling of groundwater flow and mass transport. Application: storage of nuclear waste in underground rock formations.
· Data worth and the impact of measurement errors in groundwater flow modelling.
· Regional groundwater flow modelling.

January 1995 – December 1995. Social service at the Department of Research Methods of the Winand Staring Centre in Wageningen (the Netherlands). Advisor: J.J. de Gruyter.
· Optimisation of a measurement network, applied on contaminated water soils in the channels of the province of Flevoland (the Netherlands).

September 1994 - December 1994. Applied research at engineering firm “Witteveen & Bos” in Deventer (the Netherlands).
· Case studies on soil contamination with application of geostatistics.

Teaching experience and supervision of PhD/MSc students

Main supervisor of PhD student Roland Baatz . Assimilation of multi-scale soil moisture data in regional-scale hydrological models (2011-).

Main supervisor of PhD student Wittaya Kessomkiat. Improved characterization of land-atmosphere exchange fluxes with help of data assimilation (2010-)

Main supervisor of PhD student Wolfgang Kurtz. Assimilation of thermal data for a better assessment of river-aquifer interactions (2010-)

Main supervisor of PhD student Sebastian Stoll. Calibration of integrated hydrological models and the impact of climate change and land use on groundwater resources (2009-).

Co-supervision of PhD student Gero Bauser. Real-time control techniques for optimal local water resources management (2006-2010).

Co-supervision of PhD student Amsicora Onnis Modelling of the transport of different environmental tracers in the unsaturated and saturated zone of the Aathal gravel aquifer (Baltenswil, Switzerland) (2003-2008)

Main supervisor of MSc students Tobias Doppler (2006) (river-aquifer interaction), Ivo Engeler (2008) (heat transport), Emanuel Huber (2009) (monitoring strategies) and Ivo Engeler (2009) (coupled flow-heat transport / river-aquifer interaction)

Modeling of flow and transport processes in terrestrial systems. Summer semester 2010, RWTH Aachen, 4 credit points course. 100% of course, M.Sc. Applied Geosciences

Data analyses in geosciences . Winter semester of 2009/2010, RWTH Aachen, 2.5 credit points course. 100% of course, M. Sc. Applied geosciences.

Groundwater hydrology for geophysicists. Summer semesters of 2007, 2008 and 2009, ETH Zurich, 6 credit points course, 50% of course (50% by W. Kinzelbach and F. Stauffer). M.Sc. course of the specialised European master on Applied Geophysics.

Groundwater hydrology. Winter semester 2004/2005, ETH Zurich, 3 credit points course, 30% of course (70% by F. Stauffer). B.Sc. course (third year) for environmental engineers, environmental scientists, civil engineers and geologists.

Environmental engineering field course. Summer semesters of 2007, 2008 and 2009, ETH Zurich, 2.5 credit points course (four consecutive days). M.Sc. course for environmental engineers with field experiments (groundwater hydrology) at the Kappelen site in the province of Bern (Switzerland): pumping test, dual-pumping test, flowmeter tests, time series of groundwater variables from divers, vertical sounding, multiple tracer tests, dilution tests, soil moisture measurements.

Environmental engineering field course. Summer semesters of 2002, 2003, 2004 and 2005, ETH Zurich. B.Sc. course (third year) for environmental engineers with field experiments (groundwater hydrology) at the Glattfelden and Winterthur field sites in the province of Zurich (Switzerland): pumping test, dual-pumping test, flowmeter tests, vertical sounding of groundwater temperature and electrical conductivity, time series of pressure with divers.

Environmental engineering lab course. Winter semesters of 2001/2002 and 2002/2003, ETH Zurich. B.Sc. course (third year) for environmental engineers with lab experiments related to Darcy flow, tracer transport and grain size analysis.

Courses :
• Stochastic tools for groundwater modelling. 10-14 March 2003, ETH Zurich, together with W. Kinzelbach, F. Stauffer, O. Cirpka and S. Attinger. Specialised short course for professionals and Ph.D. students.
• Groundwater contamination (in Spanish). 6-7 March 2003, CEMACAM and University of Cartagena (Spain). 2 Days course for M.Sc. students.
• Subsurface hydrological models (in Spanish). January 2001, ENRESA (Spanish nuclear waste management agency), Madrid (Spain). 2 hours course for professionals.
• Groundwater contamination: solute transport (in Spanish). June 2000, CEDEX, Madrid (Spain). 2 hours course for South American students preparing for a Ph.D. in Spain.

Journal papers

L. Li, H. Zhou, H.J. Hendricks Franssen and J. Gomez-Hernandez (20xx) Groundwater Flow Inverse Modeling in non-MultiGaussian Media: Performance Assessment of the Normal-Score Ensemble Kalman Filter. Submitted to HESS.

L. Li, H. Zhou, J. Gomez-Hernandez and H.J. Hendricks Franssen (20xx) Jointly mapping of hydraulic conductivity and porosity by assimilating concentration data via Ensemble Kalman filter. Submitted to Journal of Hydrology.

H. Zhou, L. Li, J. Gomez-Hernandez and H.J. Hendricks Franssen (20xx) Pattern identification in bimodal aquifer with normal-score Ensemble Kalman Filter. Submitted to Mathematical Geosciences.

A.K. Hansen, H.J. Hendricks Franssen, P. Bauer-Gottwein, H. Madsen, D. Rosbjerg and H.P. Kaiser (20xx) Well field management using multi-objective optimization. Submitted to Water Resources Management.

G. Bauser, H.J. Hendricks Franssen, F. Stauffer, H.P. Kaiser, U. Kuhlmann and W. Kinzelbach (20xx). A Comparison study of two different control criteria for the real-time management of urban groundwater works. Submitted to Journal of Environmental Management.

D. Irvine, P. Brunner, H.J. Hendricks Franssen and C.T. Simmons (20xx) Importance of streambed heterogeneity in surface water - groundwater interactions. Under moderate revision for Journal of Hydrology.

Schöniger, A., W. Nowak and H.J. Hendricks Franssen (20xx) Parameter estimation by ensemble Kalman filters with transformed data: approach and application to hydraulic tomography. Re-submitted to Water Resources Research after major revision.

A. Onnis, H.J. Hendricks Franssen, R. Althaus, R. Purtschert, S. Klump, R. Kipfer and F. Stauffer (20xx) Worth of multiple environmental tracer data in groundwater modelling. Under revision for Journal of Hydrology.

L. Li, H. Zhou, H.J. Hendricks Franssen and J.J. Gomez-Hernandez (20xx). Modeling transient groundwater flow by coupling Ensemble Kalman Filtering and upscaling. Re-submitted to Water Resources Research after major revision.

H. Zhou, J. Gomez-Hernandez, H.J. Hendricks Franssen and L. Li (2011). An approach to handling non-Gaussianity of parameters and state variables in ensemble Kalman filtering. Advances in Water Resources 34(7), 844-864.

E. Huber, H.J. Hendricks Franssen, H.P. Kaiser and F. Stauffer (2011). The role of prior model calibration on predictions with Ensemble Kalman filter. Accepted for publication in Ground Water, DOI: 10.1111/j.1745-6584.2010.00784.x.

C. Montzka, H. Moradkhani, L. Weihermüller, H.J. Hendricks Franssen, M. Canty and H. Vereecken (2011). Hydraulic parameter estimation by remotely-sensed top soil moisture observations with the particle filter. Journal of Hydrology 399, 410-421.

H.J. Hendricks Franssen, H.P. Kaiser, U. Kuhlmann, G. Bauser, F. Stauffer, R. Müller and W. Kinzelbach (2011) Operational real-time modeling with EnKF of variably saturated subsurface flow including stream-aquifer interaction and parameter updating. Water Resources Research 47, W02532, doi:10.1029/2010WR009480.

I. Engeler, H.J. Hendricks Franssen, R. Müller and F. Stauffer (2011). The importance of coupled modelling of variable saturated groundwater flow-heat transport for assessing river-aquifer interactions. Journal of Hydrology 397, 295-305, doi:10.1016/j.hydrol.2010.12.007.

S. Stoll, H.J. Hendricks Franssen, M. Butts and W. Kinzelbach (2011). Analysis of the impact of climate change on groundwater related hydrological fluxes: a multi-model approach including different downscaling methods. Hydrol. Earth Syst. Sci. 15, 21-38. doi:10.5194/hess-15-21-2011.

J. Vanderborght, A. Graf, C. Steenpass, B. Scharnagl, N. Prolingheuer, M. Herbst, H.J. Hendricks Franssen and H. Vereecken (2010). Within-field variability of bare soil evaporation derived from eddy covariance measurements. Vadose Zone Journal 9(4), 943-954, doi:10.2136/vzj2009.0159.

H.J. Hendricks Franssen, R. Stöckli, I. Lehner, E. Rotenberg and S.I. Seneviratne (2010). Energy balance closure of eddy covariance data: a multi-site analysis for European FLUXNET stations. Agricultural and Forest Meteorology 150(12), 1553-1567, DOI: 10.1016/j.agrformet.2010.08.005.

G. Bauser, H.J. Hendricks Franssen, H.P. Kaiser, U. Kuhlmann, F. Stauffer and W. Kinzelbach (2010). Real-time management of an urban groundwater well field threatened by pollution. Environmental Science & Technology 44(17), 6802-6807, DOI: 10.1021/es100648j.

H.J. Hendricks Franssen, T. Kuster, P. Barmet and U. Lohmann (2009) Comment on "winter weekend effect in southern Europe and its connection with periodicities in atmospheric dynamics" by A. Sachez-Lorenzo et al. Geophysical Research Letters, 36, L13706, doi:10.1029/2008GL036774.

H.J. Hendricks Franssen (2009) Impact of climate change on groundwater resources: the need for integrative approaches. International Journal of Climate Change Strategies and Management, Vol. 1, No. 3, 241-254.

H.J. Hendricks Franssen, A. Alcolea, M. Riva, M. Bakr, N. van de Wiel, F. Stauffer and A. Guadagnini (2009) A comparison of seven methods for the inverse modelling of groundwater flow. Application to the characterisation of well catchments. Advances in Water Resources, doi:10.1016//j.advwatres.2009.02.011.

H.J. Hendricks Franssen and W. Kinzelbach (2009) Ensemble Kalman Filtering versus sequential self-calibration for transient inverse modelling of dynamic groundwater flow systems. Journal of Hydrology 365, 3-4, 261-274. doi:10.1016/j.jhydrol.2008.11.033.

H.J. Hendricks Franssen and W. Kinzelbach (2008) Real-time groundwater flow modelling with the Ensemble Kalman Filter: Joint estimation of states and parameters and the filter inbreeding problem. Water Resour. Res., 44, W09408, doi:10.1029/2007WR006505

H.J. Hendricks Franssen and S. Scherrer (2008). Freezing of lakes on the Swiss Plateau in the period 1901-2006. International Journal of Climatology 28, 421-433, doi: 10.1002/joc.1559.

H.J. Hendricks Franssen (2008). Comment on "An unexpected pattern of distinct weekly periodicties in climatological variables in Germany" by Dominique Bäumer and Bernhard Vogel. Geophys. Res. Lett., 35, L05802, doi:10.1029/2007GL031279.

H.J. Hendricks Franssen, P. Brunner, P. Makobo and W. Kinzelbach (2008) Equally likely inverse solutions to a groundwater flow problem including pattern information from remote sensing images, Water Resour. Res., 44, W01419, doi:10.1029/2007WR006097.

J. Kerrou, P. Renard, H.J. Hendricks Franssen and I. Lunati. (2008) Issues in characterizing connectivity and heterogeneity in non-multi-Gaussian media. Advances in Water Resources 31, 147-159. doi:10.1016/j.advwatres.2007.07.002.

T. Doppler, H.J. Hendricks Franssen, H.P. Kaiser, U. Kuhlmann and F. Stauffer (2007) Field evidence of a dynamic leakage coefficient for modelling river-aquifer interactions. Journal of Hydrology 347, 177-187..doi: 10.1016/j.jhydrol.2007.09.017.

P. Brunner, H.J. Hendricks Franssen, L. Kgotlhang, P. Bauer-Gottwein, W. Kinzelbach (2007). How can remote sensing contribute in groundwater modeling? Hydrogeology Journal 15(1), p. 5-18

F. Stauffer, A. Guadagnini, A. Butler, H.-J. Hendricks Franssen, N. Van de Wiel, M. Bakr, M. Riva and L. Guadagnini (2005). Delineation of Source Protection Zones Using Statistical Methods. Water Resources Management 19 (2) 163185.

H.J. Hendricks Franssen and F. Stauffer (2005). Optimal design of measurement networks for groundwater flow predictions. Advances in Water Resources (28), p. 451-465.

F. Stauffer, H.J. Hendricks Franssen and W. Kinzelbach (2004). Semi-analytical uncertainty estimation of well catchments: conditioning by head and transmissivity data. Water Resources Research 40, W08305, doi:10.1029/2004WR003320.

H.J. Hendricks Franssen, F. Stauffer and W. Kinzelbach (2004). Joint estimation of transmissivities and recharges - stochastic characterization of well capture zones. Journal of Hydrology 294(1-3), 87-102.

J.J. Gómez-Hernández, H.J. Hendricks Franssen and A. Sahuquillo (2003). Stochastic conditional inverse modelling of subsurface mass transport: a brief review and the self-calibrating method. Stochastic Environmental Research and Risk Assessment 17(5), 319-328.

H.J. Hendricks Franssen, J.J. Gómez-Hernández and A. Sahuquillo (2003). Coupled inverse modelling of groundwater flow and mass transport and the worth of concentration data. Journal of Hydrology 281(4), 281-295.

H.J. Hendricks Franssen and J.J. Gómez-Hernández (2003). Impact of measurement errors in the sequential self-calibrated approach. Advances in Water Resources 26(5), 501-511.

H.J. Hendricks Franssen and J.J. Gómez-Hernández (2002). 3D Inverse modelling of groundwater flow at a fractured site using a stochastic continuum model with multiple statistical populations. Stochastic Environmental Research and Risk Assessment 16, 155-174.

H.J. Hendricks Franssen (2001). Inverse stochastic modelling of groundwater flow and mass transport. PhD dissertation Technical University of Valencia. ISBN 0-493-16707-2. UMI 3007628.

J.J. Gómez-Hernández, H.J. Hendricks Franssen and E.F. Cassiraga (2001). Stochastic analysis of flow response in a three-dimensional fractured rock mass block. International Journal of Rock Mechanics & Mining Sciences 38, 31-44.

H.J. Hendricks Franssen, J.J. Gómez-Hernández, A. Sahuquillo and J.E. Capilla (1999). Joint simulation of transmissivity and storativity fields conditional to hydraulic head data. Advances in Water Resources 23, 1-13.

H.J. Hendricks Franssen, A.C. van Eijnsbergen and A. Stein (1997). Use of spatial prediction techniques and fuzzy classification for mapping soil pollutants. Geoderma 77, 243-262.

Journal papers without review process

H.P. Kaiser, R. Müller, H. Schinz, H.J. Hendricks Franssen, G. Bauser, F. Stauffer, W. Kinzelbach, U. Kuhlmann, J. Trösch (2009). Modellgestützte Steuerung eines Grundwasserwerkes. Submitted to Arbeitsgemeinschaft der Wasserwerke am Bodenseerhein (AWBR).

H.J. Hendricks Franssen, G. Bauser, H.P. Kaiser, U. Kuhlmann, F. Stauffer and W. Kinzelbach (2009). Echtzeitmodellierung der Grundwasserströmung beim Hardhof (Zürich). GWA 04/09, 267-274.

F. Stauffer, H.J. Hendricks Franssen, T. Doppler, H.P: Kaiser and U. Kuhlmann (2009) . Fluss-Grundwasser Wechselwirkungen. GWA 04/09, 261-266.

Reviewed conference papers as book chapters

H.T. Li, W. Kinzelbach, H.J. Hendricks Franssen, P. Brunner and A. von Boetticher (2009). Uncertainty analysis of an integrated hydrological model using posterior covariance matrix from automatic calibration. ModelCARE 2009 – Calibration and reliability in groundwater modelling: Credibility of modelling – Managing groundwater and the environment (Ed. Y.X. Wang), p. 39-42. IAHS Press.

H.J. Hendricks Franssen (2008). The potential of data assimilation methods for modelling groundwater flow systems: Review and synthetic examples. ModelCARE 2007 – Calibration and reliability in groundwater modelling: Credibility of modelling (Eds. Refsgaard, A., K. Kovar, E. Haarder and E. Nygaard), p. 45- 51. IAHS Press.

J. Kerrou, H.J. Hendricks Franssen, P. Renard and I. Lunati (2008). Can conditioning to transmissivity data worsen model predictions? ModelCARE 2007 – Calibration and reliability in groundwater modelling: Credibility of modelling (Eds. Refsgaard, A., K. Kovar, E. Haarder and E. Nygaard), p. 299-304. IAHS Press.

G. Bauser, H.J. Hendricks Franssen, W. Kinzelbach and H.P. Kaiser (2008). ModelCARE 2007 – Calibration and reliability in groundwater modelling: Credibility of modelling (Eds. Refsgaard, A., K. Kovar, E. Haarder and E. Nygaard), p. 89- 94. IAHS Press.

F. Stauffer, T. Doppler and H.J Hendricks Franssen (2008). How successful are standard models of groundwater-river interactions? ModelCARE 2007 – Calibration and reliability in groundwater modelling: Credibility of modelling (Eds. Refsgaard, A., K. Kovar, E. Haarder and E. Nygaard), p. 163-168. IAHS Press.

Hendricks Franssen, H.J., Brunner, P., Kgotlhang. L. and Kinzelbach, W. (2006). Inclusion of remote sensing information to improve groundwater flow modelling in the Chobe region (Botswana). ModelCARE 2005 – Calibration and reliability in groundwater modelling: From uncertainty to decision making (Eds. Bierkens, M.F.P., Gehrels, J.C. and Kovar, K.), p. 31-37. IAHS Press.

Onnis, A., Althaus, R., Klump, S., Hendricks Franssen, H.J., Stauffer, F. and Kinzelbach, W. (2006). Simulating environmental tracer transport in unsaturated-saturated porous media. ModelCARE 2005 – Calibration and reliability in groundwater modelling: From uncertainty to decision making (Eds. Bierkens, M.F.P., Gehrels, J.C. and Kovar, K.), p. 38-45. IAHS Press.

Kerrou, J., Renard, P., Lunati, I. and Hendricks Franssen, H.J. (2006). A synthetic study of the worth of transmissivity and head data to delineate groundwater protection zones in braided alluvial aquifers. ModelCARE 2005 – Calibration and reliability in groundwater modelling: From uncertainty to decision making (Eds. Bierkens, M.F.P., Gehrels, J.C. and Kovar, K.), p. 220-226. IAHS Press.

Stauffer, F. and Hendricks Franssen, H.J. (2006). Uncertainty estimation of well-catchments: combined effect of inhomogeneous transmissivity and uncertain mean recharge. ModelCARE 2005 – Calibration and reliability in groundwater modelling: From uncertainty to decision making (Eds. Bierkens, M.F.P., Gehrels, J.C. and Kovar, K.), p. 240-245. IAHS Press.

F. Stauffer and H.J. Hendricks Franssen (2005). Uncertainty estimation of well catchments: semi-analytical post-processing. In: Geostatistics for Environmental Applications (Eds. P. Renard, H. Demougeot-Renard, R. Froidevaux), p. 249-260. Springer Verlag.

H.J. Hendricks Franssen and F. Stauffer (2005). Inverse stochastic estimation of well capture zones with application to the Lauswiesen site (Tübingen, Germany). In: Geostatistics for Environmental Applications (Eds. P. Renard, H. Demougeot-Renard, R. Froidevaux), p. 321-330. Springer Verlag.

H.J. Hendricks Franssen, F. Strauffer and W. Kinzelbach (2004). Influence of uncertainty of mean transmissivity, transmissivity variogram and boundary conditions on estimation of well capture zones. GeoENV IV - Geostatistics for Environmental Applications (Eds. X. Sanchez-Vila, J. Carrera and J.J. Gómez-Hernández), 223 – 234. Kluwer Academic Publishers.

J.J. Gómez-Hernández, H.J. Hendricks Franssen and A. Sahuquillo (2002). Sequential self-calibrating multiple realisations of transmissivity for flow and transport data. ModelCARE 2002 - Calibration and reliability in groundwater modelling: A few steps closer to reality (Eds. K. Kovar and Z. Hrkal), 347-350. IAHS Press.

H.J. Hendricks Franssen, F. Stauffer and W. Kinzelbach (2002). Impact of spatio-temporally variable recharge on the characterisation of well capture zones. ModelCARE 2002 - Calibration and reliability in groundwater modelling: A few steps closer to reality (Eds. K. Kovar and Z. Hrkal), 470-477. IAHS Press.

J.J. Gómez-Hernández, H.J. Hendricks Franssen, A. Sahuquillo and J.E. Capilla (2000). Calibration of 3D transient groundwater flow models for fractured rock. Calibration and reliability in groundwater modelling: Coping with uncertainty (Eds. F. Stauffer, W. Kinzelbach, K. Kovar and E. Hoehn), 185-194. IAHS Press.

A. Sahuquillo, H.J. Hendricks Franssen, J.J. Gómez-Hernández and J.E. Capilla (2000). Computational aspects of the coupled inversion of groundwater flow and mass transport. Calibration and reliability in groundwater modelling: Coping with uncertainty (Eds. F. Stauffer, W. Kinzelbach, K. Kovar and E. Hoehn), 222-228. IAHS Press.

H.J. Hendricks Franssen, E.F. Cassiraga, J.J. Gómez-Hernández, A. Sahuquillo and J.E. Capilla (1998). Inverse modelling of groundwater flow in a 3-D fractured medium. GeoENV II - Geostatistics for Environmental Applications (Eds. J.J. Gómez-Hernández, A. Soares and R. Froidevaux), 283-294. Kluwer Academic Publishers.

H.J. Hendricks Franssen and J.J. Gómez-Hernández (1997). Impact of random function model choice on groundwater mass transport modelling. GeoENV I - Geostatistics for Environmental Applications (Eds. A. Soares, J.J. Gómez-Hernández and R. Froidevaux), 101-110. Kluwer Academic Publishers.

Conference papers as book chapters (not reviewed)

Hansen, A.K., H.J. Hendricks Franssen, H. Madsen, P. Bauer-Gottwein and D. Rosbjerg (2010). Real-time optimisation of the management of Hardhof water works in Zurich, Switzerland, with multi-objective evolutionary algorithms. 1st Sino-Danish joint conference on sustainable environmental engineering.

C. Montzka, M. Canty, H.J. Hendricks Franssen, H. Moradkhani, L. Weihermüller and H. Vereecken (2009). Assessing the value of remotely sensed top soil moisture measurements for soil moisture profile estimation and hydraulic parameter estimation with data assimilation approaches. Earth Observation and Water Cycle Science conference 2009.

Bauser, G., Hendricks Franssen, H.J., Kinzelbach, W. and H.P. Kaiser. 2008. Real-time control of a well field. CD-Rom of IAHR 2008.

Hendricks Franssen, H.J. 2008 Studying the impact of climate change on groundwater resources: a critical review. CD-Rom of IAHR 2008.

Hendricks Franssen, H.J., U. Kuhlmann, H.P. Kaiser, F. Stauffer and W. Kinzelbach. 2008. Improved flow and transport predictions in real-time with the Ensemble Kalman Filter. CD-Rom of IAHR 2008.

H.J. Hendricks Franssen, F. Stauffer and W. Kinzelbach (2002). Reducing the uncertainty of well capture zones by inverse conditioning. Computational Methods in Water Resources, Volume 2 (Eds. M. Hassinazadeh, R. Schotting, W. Gray and G. Pinder), 1403-1410. Elsevier, Amsterdam.

H.J. Hendricks Franssen and J.J. Gómez-Hernández (2000). Multiple simulations of a 3-D fractured medium conditioned to various types of data. Accuracy 2000. Proceedings of the 4th international symposium on spatial accuracy assessment in natural resources and environmental sciences (Eds. G. Heuvelink and M. Lemmens), 293-300. Delft, University Press.

J.E. Capilla, J.J. Gómez-Hernández, A. Sahuquillo and H.J. Hendricks Franssen (2000). Stochastic inverse problems in groundwater modelling. 8th International conference on hydraulic engineering software - HYDROSOFT 2000. Hydraulic engineering software VIII (Eds. W.R. Blain and C.A. Brebbia), 295-304. WIT Press.

H.J. Hendricks Franssen, J.J. Gómez-Hernández, A. Sahuquillo and J.E. Capilla (1997). Stochastic inverse modelling of transient groundwater flow. IAMG'97. Proceedings of the Third Annual Conference of the International Association for Mathematical Geology (Ed. V. Pawlowsky-Glahn), 778-783. CIMNE.

Conference papers - Extended abstracts, abstracts and poster presentations

W. Kessomkiat, H.J. Hendricks Franssen, A. Graf and Harry Vereecken. 2011. Estimating random errors of eddy covariance measurements: a more robust two-tower approach. Abstracts of ILEAPS 2011.

A. Graf, A. van de Boer, D. Schüttemeyer, A.F. Moene and H.J. Hendricks Franssen (2011) Local networks of eddy covariance stations: examples from an experiment in a mid-latitide, agricultural landscape. Abstracts of ILEAPS 2011.

W. Kurtz, H.J. Hendricks Franssen and H. Vereecken (2011). The role of zonation of river bed conductivities on river-aquifer exchange fluxes and on state-parameter updates with the Ensemble Kalman Filter. Submitted for ModelCARE 2011.

S. Stoll, H.J. Hendricks Franssen and W. Kinzelbach (2011) Using virtual experiments to explore the sensitivity of a hydrological model under climate change conditions. Submitted for ModelCARE 2011.

P. Laux, H. Kunstmann, A. Sanchez-Lorenzo, H.J. Hendricks Franssen and S. Vogl (2011) Regional patterns of weekly weather cycles across Europe. Abstracts of EGU 2011.

A. Sanchez-Lorenzo, P. Laux, H.J. Hendricks Franssen, J. Calbó and S. Vogl (2011) Large-scale weekly cycles of meteorological variables: a review. Abstracts of EGU 2011.

C. Montzka, H.J. Hendricks Franssen, M. Drusch, H. Moradkhani, L. Weihermueller, D. Fernandez-Prieto, H. Bogena, J. Vanderborght and H. Vereecken (2011) A Synthetic 1D Data Assimilation Experiment for SMOS Radiative Transfer Parameter Estimation. Abstracts of EGU 2011.

W. Kurtz, H.J. Hendricks Franssen and H. Vereecken (2011) Identification of time-variant river bed properties with the Ensemble Kalman Filter. Abstracts of EGU 2011.

Stoll, S., H.J. Hendricks Franssen, R. Barthel, D. Bendel and W. Kinzelbach (2011) What can we learn from groundwater level time series about future risks for water resources? Abstracts of EGU 2011.

A. Graf, A. van de Boer, A.F. Moene, D. Schüttemeyer and H.J. Hendricks Franssen (2011) Feasibility study on footprint-based spatial flux decomposition from multiple eddy covariance measurements in a mosaic landscape. Abstracts of EGU 2011.

W. Kessomkiat, H.J. Hendricks Franssen, A. Graf and H. Vereecken (2011). An improved procedure for determining random errors of eddy covariance measurements for data assimilation. Abstracts of EGU 2011.

D. Irvine, P. Brunner, H.J. Hendricks Franssen and C. Simmons (2011) . Streambed heterogeneity and stream-aquifer connection: Implications of calibrating effective average parameter values. Abstracts of EGU 2011.

S. Stoll, H.J. Hendricks Franssen, R. Barthel and W. Kinzelbach (2010) Spatial and temporal patterns in recharge: Analysis of long-term groundwater data. Submitted to EGU Leonardo Conference Series 2010.

Montzka, C., M. Dimitrov, H. Moradkhani, L. Weihermüller, H.J. Hendricks Franssen, J.A. Huisman, J. Rings, J. Vanderborght and H. Vereecken. 2010. Estimating the influence of soil surface structure on evapotranspiration by soil moisture data assimilation. Submitted for Earth Observation and Water Cycle Science conference 2010.

H.J. Hendricks Franssen, G. Bauser, H.P. Kaiser, U. Kuhlman, F. Stauffer, R. Müller and W. Kinzelbach (2010). Operational management of a groundwater well field with data assimilation techniques. Submitted for data assimilation workshop “Flood control 2015”.

Montzka, C., H. Moradkhani, L. Weihermüller, H.J. Hendricks Franssen, M. Canty and H. Vereecken (2010) . Estimation of Hydraulic Parameters by Remotely-Sensed Top Soil Moisture Observations with the Particle Filter – A Synthetic Experiment. Submitted for data assimilation workshop “Flood control 2015”.

Bauser, G., H.J. Hendricks Franssen, F. Stauffer, U. Kuhlmann, H.P. Kaiser and W. Kinzelbach. 2010. Comparison of two different control criteria for the optimal real-time control of urban well fields. CD-Rom of IAHR 2010.

Montzka, C., M. Dimitrov, H. Moradkhani, L. Weihermueller, H.-J. Hendricks Franssen, J. A. Huisman, J. Rings, J. Vanderborght and H. Vereecken (2010) . Estimating the temporal dynamics of top soil hydraulic parameters with the particle filter. Fourth International Workshop on Catchment-scale Hydrological Modeling and Data Assimilation (CAHMDA-IV), Lhasa, China, 21 - 23 Juli 2010.

Montzka, C., H. Bogena, U. Rosenbaum, H.-J. Hendricks Franssen, H. Moradkhani, A. Weuthen and H. Vereecken (2010) . Assimilation of wireless sensor network data for estimating soil hydraulic properties at the catchment scale. Fourth International Workshop on Catchment-scale Hydrological Modeling and Data Assimilation (CAHMDA-IV), Lhasa, China, 21 -23 Juli 2010.

Montzka, C., M. Canty, H.-J. Hendricks Franssen, H. Moradkhani, L. Weihermüller and H. Vereecken (2010). Estimation of soil hydraulic parameters by satellite observations and particle filtering – a virtual experiment. ESA Living Planet Symposium Bergen, Norwegen, 28 Juni - 2 Juli 2010.

S. Stoll, H.J. Hendricks Franssen, M. Butts, S.M. Lerer, H. Madsen and W. Kinzelbach (2010). Prediction of long-term trends in groundwater levels of a perialpine groundwater system: comparing different climate models and different downscaling procedures. Abstracts of EGU 2010.

I. Engeler, H.J. Hendricks Franssen, R. Müller and F. Stauffer (2010). Coupled modelling of groundwater flow- heat transport for assessing river- aquifer interactions. Abstracts of EGU 2010.

H.J. Hendricks Franssen, H.P. Kaiser, U. Kuhlman, G. Bauser, F. Stauffer, R. Müller and W. Kinzelbach (2010). Simultaneous updating of spatially distributed hydraulic conductivities and leakage coefficients with the Ensemble Kalman Filter. Application: Zurich, Switzerland. Abstracts of EGU 2010.

H.J. Hendricks Franssen, R. Stöckli, I. Lehner and S.I. Seneviratne (2009). Analysis of the energy balance closure as function of atmospheric stability and wind velocity at 27 European FLUXNET sites (2009). Abstracts of EGU 2009.

H.J. Hendricks Franssen, A. Alcolea, M. Riva, M. Bakr, N. van de Wiel, F. Stauffer and A. Guadagnini (2009). A comparison of seven inverse methods for modeling groundwater flow in mildly to strongly heterogeneous aquifers. Abstracts of EGU 2009.

Hendricks Franssen, H.J. 2008 A comparison of Ensemble Kalman Filtering and Monte-Carlo type transient inverse modeling for mildly to strongly heterogeneous formations. CD-Rom of EGU 2008.

Hendricks Franssen, H.J., U. Kuhlman, H.P. Kaiser, F. Stauffer and W. Kinzelbach. 2008. The Ensemble Kalman Filter for real-time Groundwater Flow Modeling of the upper Limmat aquifer in Zurich (Switzerland). CD-Rom of EGU 2008.

H.J. Hendricks Franssen, T. Doppler, H.-P. Kaiser, U. Kuhlmann and F. Stauffer (2007). Field evidence of a dynamic leakage coefficient. Studies with a 3D transient groundwater flow model of the upper Limmat valley (Switzerland). CD-Rom of EGU 2007.

Hendricks Franssen, H.J., Röser, I., Kaiser, H.-P., Müller, R., Trösch, J., Stauffer, F., Kinzelbach, W. (2006). Groundwater flow and mass transport modelling in the upper Limmat valley (Switzerland). CD-Rom of EGS2006.

Hendricks Franssen, H.J.W.M., Brunner, P., Kgotlhang, L., Kinzelbach, W. (2005). Use of a digital elevation model, satellite images and airborne geophysical data in groundwater modelling of the Kavimba region (Botswana). CD-Rom EGS2005.

J. Kerrou, P. Renard, I. Lunati, S. Madier and H.J. Hendricks Franssen (2004). How many transmissivity data are required to safely delineate a protection zone of a braided alluvial aquifer when using kriging and upscaling? Poster GeoENV2004.

G.A. Onnis, H.J. Hendricks Franssen, F. Stauffer and W. Kinzelbach (2004). Stochastic inverse modeling of groundwater flow and environmental tracer transport: Baltenswil case study (Switzerland). Poster GeoENV2004.

H.J. Hendricks Franssen, F. Stauffer and W. Kinzelbach (2004). Characterisation of well capture zones by inverse modelling. CD-Rom EGS 2004.

H.J. Hendricks Franssen, F. Stauffer and W. Kinzelbach (2002). Joint estimation of spatial variable recharges and transmissivities. CD-Rom EGS 2002.

R. Aliaga, J.J. Gómez-Hernández, A. Sahuquillo and H.J. Hendricks Franssen (2001). Application of geostatistical tools in a preliminary groundwater flow model of the Aznalcollár zone (in Spanish). Congress "The faces of groundwater", in memory of Germán Galarza, p. 353-360.

R. Aliaga, A. Sahuquillo, J.J. Gómez-Hernández and H.J. Hendricks Franssen (2001). Incorporation of information for a preliminary groundwater flow model of the Aznalcollár zone (in Spanish). Congress "The faces of groundwater", in memory of Germán Galarza, p. 631-638.

R. Aliaga, A. Sahuquillo, H.J. Hendricks Franssen and J.J. Gómez-Hernández (2001). Preliminary groundwater flow model in the zone of Aznalcóllar (in Spanish). VII Hydrogeological Symposium, p. 415-426.

J.J. Gómez-Hernández, H.J. Hendricks Franssen and A. Sahuquillo (2001). Inverse stochastic transport in the subsurface. CD-Rom IAMG 2001. Kansas Geological Survey.

H.J. Hendricks Franssen, J.J. Gómez-Hernández and A. Sahuquillo (2001). Multiple equally likely solutions to a coupled inverse problem. Third IMA Conference on Modelling Permeable Rocks.

H.J. Hendricks Franssen, J.J. Gómez-Hernández and A. Sahuquillo (2001). The worth of concentration data for aquifer characterisation. CD-Rom EGS 2001.

H.J. Hendricks Franssen and J.J. Gómez-Hernández (2000). The impact of piezometric head measurement errors in sequential self-calibration. CD-Rom of Geostats 2000.

H.J. Hendricks Franssen, J.J. Gómez-Hernández, A. Sahuquillo and J.E. Capilla (2000). Multiple solutions to a 3-D inverse groundwater flow problem in fractured rock. CD-Rom EGS 2000.

H.J. Hendricks Franssen, J.J. Gómez-Hernández, A. Sahuquillo and J.E. Capilla (1999). Joint simulation of transmissivity and storativity fields conditional to hydraulic head data. Report 12 (Ed. A. Journel). Stanford Centre for Reservoir Forecasting.

E.F. Cassiraga, H.J. Hendricks Franssen, J.J. Gómez-Hernández, A. Sahuquillo and J.E. Capilla (1998). Stochastic inverse modelling of 3-D groundwater flow and convective transport in a fractured medium (in Spanish). Groundwater contamination: an unsolved problem. Articles of the congress days in Valencia (Eds. J. Samper, A. Sahuquillo, J.E. Capilla and J.J. Gómez-Hernández), p. 549-556. International group of hydrogeologists. Spanish group.

H.J. Hendricks Franssen, J.J. Gómez-Hernández, A. Sahuquillo and J.E. Capilla (1998). Case study on the inverse modelling of groundwater flow (in Spanish). First Spanish-Portuguese Congress of Geodesy and Geophysics - IX National Congress of Geodesy and Geophysics, Programme and summaries (Eds. V. Corchete and A. Posadas), p. 469.

H.J. Hendricks Franssen and J.J. Gómez-Hernández (1997). Comparison of two geostatistical models with respect to modelling the stationary mean (in Spanish). XXIII National Congress Statistics and Operations Research, p. 19.7-19.8.

J.J. Gómez-Hernández, J.E. Capilla, A. Sahuquillo, H.J. Hendricks Franssen and J. Rodrigo (1997). INVERTO: A program for the generation of hydraulic conductivity and storativity realisations conditioned on hydraulic conductivity and hydraulic head data (in Spanish). Third R&D Congress and Technologies for Nuclear Waste Management, ENRESA, 08/97.

J.J. Gómez-Hernández, E.F. Cassiraga, H.J. Hendricks Franssen, J.E. Capilla and A. Sahuquillo (1997). Geostatistical techniques (in Spanish). Third R&D Congress and Technologies for Nuclear Waste Management, ENRESA, 08/97.

H.J. Hendricks Franssen, D.J. Brus and W.H. Hendriks (1995). The use of the knowledge based system approach on the optimisation of sampling schemes. Casestudy Fleverwaard (in Dutch). Proceedings Bodembreed.

Review activities

Ad-hoc reviewer for:
- Journal of Contaminant Hydrology (since 1997)
- Advances in Water Resources (since 2000)
- Stochastic Environmental Research and Risk Assessment (s. 2000)
- Journal of Hydrology (s. 2002)
- Water Resources Research (s. 2004)
- Hydrogeology Journal (s. 2007)
- Geoderma (s. 2007)
- Hydrological processes (s. 2007)
- Hydrological Sciences Journal (s. 2007)
- SSSAJ (s. 2008)
- Archives of IH&T (s. 2008)
- Ground Water (s. 2008)
- Environmental Science & Technology (s. 2009)
- Remote Sensing (s. 2009)
- Theoretical and Applied Climatology (s. 2009)
- Geophysical Research Letters (s. 2010)
- Computers & Geosciences (s. 2010)
- Applied mathematical modelling (s. 2010)
- Journal of Hydroinformatics (s. 2010)
- HESS (s. 2010)
- Journal of Environmental Management (s. 2010)
- Vadose Zone Journal (s. 2010)
- Climatic change (s. 2011)
- Atmospheric Chemistry and Physics (s. 2011)
- Environmental modelling and software (s. 2011)

Associate editor of Hydrogeology Journal (since 2007)

Editor of Hydrology Earth System Sciences (HESS) (s. 2011)

Honoured for Excellence of reviewing for Water Resources Research (2009).