Elfeki, A.M.M. and Dekking, F. M. (2007). Reducing Geological Uncertainty by Conditioning on Boreholes: The coupled Markov chain Approach. Hydrogeology Journal, vol. 15, pp. 1439-1455. (doi 10.1007/s10040-007-0193-x).

http://www.springerlink.com/content/f262852024108454/

Elfeki, A.M.M. (2008). Conditional Stochastic Simulation of the Geological Configuration at El-Arish Coastal Area, Egypt, Journal of King Abdulaziz University, Meteorology, Environment and Arid Land Agriculture Sciences, vol. 19(1), pp.55-66.

Park, E., Elfeki, A.M.M., Song, Yoon-gu and Kim, K. (2007). Generalized

Coupled Markov Chain Model for Characterization of Categorical
 Variablesin Soil Mapping. Soil Science Society of America Journal, vol 71, pp. 909-917.

                http://soil.scijournals.org/cgi/content/abstract/71/3/909

Elfeki, A.M.M., Uffink, G.J.M., Lebreton, S. (2007). Simulation of Solute Transport under Oscillating Groundwater Flow in Homogeneous Aquifers, Journal of Hydraulic Research, Vol. 45 (2), pp. 254-260.

Elfeki, A.M.M. (2007). Modelling Kinetic Adsorption in Porous Media by Two-State Random Walk Particle Method. Journal of King Abdulaziz University, Meteorology, Environment and Arid Land Agriculture Sciences, vol. 18 (1) pp.61-74.

Elfeki, A. M. (2006). Reply to the comment by A. Chessa on " Markov Chain Model for Subsurface Characterization: Theory and Applications by Amro Elfeki and Michel Dekking”, Mathematical Geology, vol. 38 (4) pp. 507-509, doi: 10.1007/s11004-006-9036-x

Elfeki, A. M. (2006). Prediction of Contaminant Plumes (Shapes, Spatial Moments and Macro-dispersion) in Aquifers with insufficient Geological Information. Journal of Hydraulic Research,  vol. 44 (6), pp 841-856.

Yenigul, N.B., Elfeki, A. M. and den Akker, C. (2006). New Approach for Groundwater Detection Monitoring at Landfills. Journal of Groundwater Monitoring and Remediation, 26, no. 2/Spring 2006/pp. 79-86.

Elfeki, A. M. (2006). Reducing Concentration Uncertainty Using the Coupled Markov Chain Approach. Journal of Hydrology vol. 317, pp 1-6.

Elfeki, A. M. and Dekking F. M. (2005). Modeling Subsurface Heterogeneity by Coupled Markov Chains: Directional Dependency, Walther’s Law and Entropy. Journal of Geotechnical and Geological Engineering, Vol. 23: pp.721-756.

N. Buket YENiGüL, Amro M.M. ELFEKI, Johannes C. GEHRELS, Cees van den AKKER, André T. HENSBERGEN, and F. Michel DEKKING (2005). Reliability Assessment of Groundwater Monitoring Network at Landfill Sites. Journal of Hydrology Vol. 308, pp.1-7.

Elfeki, A. M. M. (2003). Analysis and Numerical Simulation of Single-Well Tracer Test in Homogeneous, Layered and Slightly Tilted Formations. Journal of Hydraulic Research, Vol. 41, No. 1, pp.79-86.

http://www.iahr.org/publications/JHR/bdy_JHRabs2003.htm

Elfeki, A. M. (2003). Transient Groundwater Flow in Heterogeneous Geological Formations. Mansoura University Engineering Journal (MEJ), Vol. 28, no. 1, pp. c58-c67.

Elfeki, A. M. M., Dekking, F. M., Kraaikamp, C. & Bruining, J. (2002). Influence of fine-scale heterogeneity patterns on large-scale behaviour of miscible transport in porous media. Petroleum Geosciences, Vol 8, pp.159-165.

http://www.ingenta.com/isis/searching/ExpandTOC/ingenta?issue=infobike://geol/pg/2002/00000008/00000002&index=7&WebLogicSession=PP29akswngYUbpjQzfvW|-8759003255827889801/-1052814329/6/7051/7051/7052/7052/7051/-1

Yenigul, N.B., Elfeki, A.M.M., Gehrels, H.C., and  Akker van den, C. (2002). Influence of Uncertainty in leak location on Detection of Contaminant Plumes Released at Landfill Sites. ACTA- UNIVERSITATIS CAROLINA GEOLOGICA, PART 2/3, pp.340-343.

Elzeir, M. and Elfeki, A.M.M. (2002). Use of a Numerical Wave Model to Study The Environmental Impact of the Development of a Resort at El-Ain El-Sukhna. Mansoura University Engineering Journal (MEJ), Vol. 27, No. 1, pp. c1-c12.

          http://www.mans.eun.eg/faceng/eng_Journal/

Dekking, F. M., Elfeki, A. M. M., Kraaikamp, C. & Bruining, J. (2001). Multi-Scale and Multi-Resolution Stochastic Modelling of Subsurface Heterogeneity by Tree-indexed Markov Chains. Computational Geosciences Vol. 5, pp. 47-60.

      http://www.kluweronline.com/issn/1420-0597

Elfeki, A. M. M. & Dekking, F.M.(2001). A Markov Chain Model for Subsurface Characterization: Theory and Applications. Mathematical Geology, Vol. 33, No. 5, pp.569-589. ISBN: 0882-8121.

      http://ssor.twi.tudelft.nl/~dekking/MATHGEO.htm

Elfeki, A. M. M. (1997). A Hybrid Stochastic Model for Characterization of Subsurface Heterogeneity. Mansoura University Engineering Journal (MEJ), Vol. 22, No., pp. c34-c44.

Elfeki, A. M. M.(1997). Stochastic Analysis of Steady Seepage Under Heading-Up Structures. Mansoura  University Engineering Journal (MEJ), Vol. 22, No. 4, pp. c11-c27.

Elfeki, A. M. M. & Uffink, G. J. M. & Barends, F. B. J. (1995). Stochastic Simulation of Heterogeneous Geological Formations Using Soft Information, with An Application to Groundwater. International Journal of Rock Mechanics and Mining Science & Geomechanics Abstracts, Vol 32 (7), pp. 311A. Available on line 17 Feb., 2000.

          http://ieg.or.kr:8080/abstractII/M063207064.html

Sakla, S. S. & El-Samanoudy, M. A. & El-Gamal, M. M. & Elfeki, A. M. (1990). Mathematical Model for Predicting The Properties of The Hydraulic Jump over Rough Beds. Ain Shams University, Engineering Bulletin, vol. 25, no. 3, pp. 106-131.

Sakla, S. S. & El-Samanoudy, M. A. & El-Gamal, M. M. & Elfeki, A. M. (1990). On The Effect of Bed Roughness on The Properties of The Hydraulic Jump. Ain Shams University, Engineering Bulletin, vol. 25, no. 3, pp. 132-156.

Sakla, S. S. & El-Samanoudy, M. A. & El-Gamal, M. M. & Elfeki, A. M. (1990). Experimental Study of The Hydraulic Jump over Rough Beds. Ain Shams University, Engineering Bulletin, vol. 25, no. 3, pp. 157-181.

 
(b) Publications in Review:

1.      Yenigul, N.B., Elfeki, A. M. M., Akker, C. and Dekking F. M., (2008). A Decision Analysis Approach for Optimal Groundwater Monitoring System Design Under Conditions of Uncertainty. In review.

2.      Yenigul, N.B., Hensbrgen, A. T., Elfeki, A. M. M., and Dekking F. M., (2008). Detection of Contaminant Plumes Released from Landfills. In review.

3.      El Ouazzani T., Zang, G. and Elfeki, A. M. M. (2008). Modeling Hydrological Responses of the Zwalm Catchment Using the REW Model: Propagation of Uncertainty in Soil Properties to Model Output, in review.

4.      Uffink, G., Elfeki, A. M. M. Dekking, F.M., Bruining, J., and Kraaikamp, C. (2008). A Comparison of Models for Advection, Dispersion, and Kinetic
Adsorption. In review.

(c) Papers in Conference Proceedings:

Elfeki, A.M. (2007). Simulation of Pollution Transport in Coastal Aquifers under Tidal Movements. Presented at Workshop on Environmental Pollution at Coastal Areas, Organized by Water Recourses Center at King Abdulaziz University, Jeddah, Saudi Arabia.

Elfeki, A.M. (2006). Steady Groundwater Flow Simulation Towards Ains in a Heterogeneous Subsurface. Presented at the Forth International Conference on Ains, Water Recourses Center at King Abdulaziz University, Jeddah, Saudi Arabia in Cooperation with UNESCO, April 2006, book of abstracts pp. 48.

Yenigul, N.B., Elfeki, A. M. and den Akker, C. (2005). Influence of Pumping on Detection of Contaminant Plumes Under Conditions of Uncertainty. Presented at the Fifth International Conference on Calibration and Reliability on Modeling Groundwater: from Uncertainty to Decision Making, Model-Care 2005, in The Hage, The Netherlands, Eds. Geherls, H. et al., pp. 421-427.

 Gerard J.M. Uffink, Amro M.M. Elfeki, and Sophie Lebreton (2005). Simulation of Dispersion in a Heterogeneous Aquifer: Discussion of Steady versus Unsteady Groundwater Flow and Uncertainty analysis. International Symposium on Stochastic Hydraulics, Eds. Vrijling, J.K., Rurijgh, E., Stalenberg, B. Van Gelder, P.H.A.I.M., Verlaan, M., Zijderveld, A., and Waarts, papers on CD-ROM., 23-24, May, 2005. Nijmegen, The Netherlands. ISBN: 90-805649-9-0.

Nader A. R. Keshta, Abdel-Razik A. Zidan, Mohsen M. Ezzeldin and Amro M. Elfeki, (2004).

Stochastic Analysis of Subsurface Heterogeneity Using Markov Chains: A Case Study in the Netherlands. Structural & Geotechnical Engineering and Construction Technology Conference, IC-SGECT’04, eds. El-Nmir et al., Mansoura University Press, Mansoura, Egypt, pp. c-415-c-423.

Park, E., Elfeki, A. M. M., Dekking, F.M. (2003). Characterization of subsurface heterogeneity: Integration of soft and hard information using multi-dimensional Coupled Markov chain approach. Underground Injection Science and Technology Symposium, Lawrence Berkeley National Lab., October 22-25, 2003. p.49. Eds. Tsang, Chin.-Fu and Apps, John A.

          http://www.lbl.gov/Conferences/UIST/index.html#topics

Elfeki, A. M. M. and Rajabiani, H.R. (2002). Simulation of Plume Behavior at  the Macrodispersion Experiment (MADE1) Site by Applying the Coupled Markov Chain Model for Site Characterization. 14^th International Conference Computational Methods in Water Resources “CMWR2002”, Developments in Water Science No. 47, Elsevier Publisher, The Netherlands pp. 655-662. Eds. SM Hassanizadeh, RJ Schotting, WG Gray, and GF Pinder.

          http://www.elsevier.com/wps/find/bookdescription.cws_home/624525/description#description

Yenigul, N.B., Elfeki, A.M.M. (2002). Influence of Subsurface Heterogeneity on Detection of Landfill Leakage. Published at 14^th International Conference Computational Methods in Water Resources “CMWR2002”, Developments in Water Science No. 47, Elsevier Publisher, The Netherlands, pp. 1323-1330. Eds. SM Hassanizadeh, RJ Schotting, WG Gray, and GF Pinder.

          http://www.elsevier.com/wps/find/bookdescription.cws_home/624525/description#description

Yenigul, N.B., Elfeki, A.M.M., Gehrels, H.C., and  Akker van den, C. (2002). Influence of Uncertainty in leak location on Detection of Contaminant Plumes Released at Landfill Sites. Published at 4^th International Conference in Calibration and Reliability in Groundwater Modeling: a Fewer Steps Closer to Reality  “Model-Care 2002”, 17-20 June 2002, Prague, Czech Republic, pp.340-343. Eds. Kovar, K.

          http://www.agu.org/cgi-bin/gycal?details=1&file=2002061700100482653

Elfeki, A.M.M., Dekking, F.M., Kraaikamp, C. & Bruining, J. (2000). Influence of Fine-Scale Heterogeneity Patterns on Large-Scale Behaviour of Miscible Transport in Porous Media. 7^th European Conference on the  Mathematics of Oil Recovery, Sept, 5-8, Baveno, Italy, V25, pp. 1-6. Eds.

      http://www.eage.org/conferences/techdetail.phtml?session=72&conferenceid=4

Elfeki, A.M.M. (2000). Stochastic Models for Characterizing Variability of Hydro-Geological Parameters. IWTC 2000, The Fifth International Water Technology Conference, (eds. Abo Rayan et al.) Mansoura University Press, Egypt, pp.171-192.

      http://maxpages.com/iwtcivegypt/Program_IWTC_2000

Dekking, F.M., Kraaikamp, C., Elfeki, A.M. & Bruining, J. (1999). Synthesis and Simulations of Digital Images by Tree-Indexed Markov Chains. In: T.J. Schulz, P.S. Idell (eds.). Digital image recovery and synthesis IV, Proceeding of SPIE International Society for Optical Engineering, Denver Colorado, USA, ISOE, Bellingham, vol. 3815, pp 227-238. ISBN:0-8194-3301-2

http://spie.org/scripts/abstract.pl?bibcode=1999SPIE%2e3815%2e%2e227&page=1&qs=spie

Elfeki, A.M.M. & Uffink, G.J.M. (1999). Solute Transport in Homogeneous and Heterogeneous Media: Comparison between Laboratory Experiments and Deterministic versus Stochastic Numerical Simulations. Proceeding of The Second International Conference for Groundwater Level Control Inside Cities, eds. El-Nmir et al., Mansoura University Press, Mansoura, Egypt, pp. 72-88.

Elfeki, A. M. M. & Uffink, G. J. M. & Barends, F. B.J (1998). A Coupled Markov Chain Model for Quantification of Uncertainty in Transport in Heterogeneous Formations. GeoENV 98, Second European Conference on Geostatistics for Environmental Applications. Eds. A. Soares, and J. Hernandez, Kluwer Academic Publishers, pp. 259-270.

      http://www.wkap.nl/prod/b/0-7923-5783-3?a=2

Elfeki, A. M. M. & Uffink, G. J. M. & Barends, F. B.J (1996). Solute Transport in Single and Multiple Scale Heterogeneous Formations: Numerical Experiments, geoENV 96, First European Conference on Geostatistics for Environmental Applications, Lisbon, Portugal. Ed. by A. Soares, J. Hernandez & R. Froidevaux. Kluwer Academic Pub., pp. 51-63.

          http://www.wkap.nl/prod/b/0-7923-4590-8?a=1

Elfeki, A. M. M. & Uffink, G. J. M. & Barends, F. B. J. (1995). Stochastic Simulation of Heterogeneous Geological Formations Using Soft Information, with An Application to Groundwater. In Groundwater Quality: Remediation and Protection, GQ'95. Edited by Kovar, K. and Krasny, J..IAHS Publication No. 225, pp. 192-202.

          http://www.amazon.co.uk/exec/obidos/ASIN/0947571299/202-7976344-9231025

(d) Books and Chapters in Books:

1. Developments in Water Sciences Series 52, ISBN 13:978-0-444-52068-5,

http://www.elsevier.com/wps/find/bookdescription.cws_home/706350/description#description

      http://www.mp.tudelft.nl/Research/Publications/2001/PW_2001.htm

      http://balkema.ima.nl/Scripts/cgiBalkema.exe/author?AutNo=808

 
(e) Technical Reports:

Elfeki, A.M.M. (2003). Annual Progress Report. Project: Near-Surface Characterization and Management. Centre of Technical Geosciences, Delft University of Technology, Delft, The Netherlands, pp.67.

  2003:http://www.citg.tudelft.nl/live/pagina.jsp?id=81c5fd60-d617-4a7d-917a-b7ac41d65459&lang=en

  2002:http://www.citg.tudelft.nl/live/pagina.jsp?id=b1504fca-8d84-4833-8b48-c4d987f5ff61&lang=en

  2001:http://www.citg.tudelft.nl/live/pagina.jsp?id=98be8a47-4adf-4ef0-8d5e-8cba7b627615&lang=en

Park, E., Elfeki, A.M.M., and Dekking, F. M., (2002). Characterization of subsurface heterogeneity: Integration of soft and hard information using multi-dimensional Coupled Markov chain approach, Annual Progress Report, Civil Engineering and Geosciences, Delft University of Technology, Delft, The Netherlands, 30 p.

Elfeki A.M.M. (2002). Characteristics and Motion of Pollution in Subsurface Layers from Continuous and Point Sources. Review Report., 46p. Submitted to the Supreme Council of Egyptian Universities as a part of the requirements to obtain the degree of Associate Professor in Civil Engineering, Faculty of Engineering, Mansoura University, Mansoura, Egypt.

Elfeki, A. M. M. (2001). Transient Processes in Multiple Scale Heterogeneous Porous Formations. In the Annual Report 2000/2001 of the DIOC project “Water” (Project 3.1) entitled: Transport Processes in Hydraulic Engineering and Geo-hydrology, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Delft, The Netherlands 47p.

Elfeki, A. M. M., Dekking, F. M., Kraaikamp, C. & Bruining, J. (1999). Multi-Scale and Multi-Resolution Stochastic Modelling of Subsurface Heterogeneity. Annual Progress report (Dec.1997-Dec.1998), for the DIOC project “Shallow Subsurface”, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Delft, The Netherlands 54p.

Elfeki, A. M. M. (1994a). Practical Stochastic Methodology for Simulating Geological Formations from Soft Information Using Markov Chain Theory. Tech. Report # 368, Geotechnical laboratory. Faculty of Civil Engineering. Delft University of Technology, The Netherlands.

Elfeki, A. M. M. (1994b). Numerical Simulation of Groundwater Flow in Heterogeneous Formations Described by Soft Information: Model Development and Numerical Experiments. Tech. Report # 369. Geotechnical Laboratory, Faculty of Civil Engineering, Delft University of Technology, The Netherlands.

Elfeki, A. M. M. (1993). Literature Review of Stochastic Simulation Models in Groundwater and Contaminant Transport. Tech. Report # 355. Geotechnical Laboratory, Faculty of Civil Engineering, Delft University of Technology, The Netherlands.

Bigaj, A. & Bos, J. & Elfeki, A. & Groenendijk, J. & Johanns, R. & Jorissen, A. & Schuurman, R. (1994). Ph.D. Study Visit to Research Institutes in The USA. Report published by The Faculty of Civil Engineering of Delft University of Technology, Delft, The Netherlands.

Elfeki, A. M. M. (1991). Mathematical Modelling of Seepage. Unpublished Individual Study Report. International Institute for Hydraulic and Environmental Engineering, IHE. The Netherlands.

(e) Poster Presentations:

Yenigul, N.B., Elfeki, A. M. and den Akker, C. (2005). Influence of Pumping on Detection of Contaminant Plumes under Conditions of Uncertainty. Presented at the Fifth International Conference on Calibration and Reliability on Modeling Groundwater: from Uncertainty to Decision Making, Model-Care 2005, in The Hage, The Netherlands.

El Ouazzani, A. Taibi, A. M. Elfeki and F.P. De Troch (2004). Predictions of Hill slope Responses at Watershed scale using the TOPLATS model: Soil-vegetation effect. Symposium on Soil Information: A Basis for better Land Management and Prevention of Desertification in the Mediterranean Environment, Feb., 9-11, 2004, Marrakech, Morocco.

Amro M.M. Elfeki, Gerard J.M. Uffink and Sophie Lebreton, Simulation of Solute Transport under Transient Groundwater Flow Conditions in a Homogeneous Confined Aquifer, Symposium on Soil and Water, in Zeist, The Netherlands (June 2 and 3, 2004).

N. Buket YENiGüL, André T. HENSBERGEN, Amro M.M. ELFEKI and F. Michel DEKKING Detection of Contaminant Plumes from Landfills— Assessment of Simulations by Analytical Method. Symposium on Soil and Water, in Zeist, The Netherlands (June 2 and 3, 2004).

Lebreton, S., Elfeki, A.M., and Uffink, G. (2003). Dispersion of Non-Reactive Solute under Transient Groundwater Flow Conditions. Poster Presentation on the forth meeting on DIOC “Water” mini-symposium on 1^th December, 2003. Faculty of Civil Engineering and Geosciences, TU Delft, The Netherlands.

Elfeki, A.M., Bruining, J., Dekking, F.M., Kraaikamp, C. and Uffink, G. (2002). Modeling Adsorption Kinetics of Chemically Interactive Porous Sediments by a Two-State Random Walk Particle Method. Poster Presentation on the third meeting on DIOC “Water” mini-symposium on 7^th November, 2002..Faculty of Civil Engineering and Geosciences, TU Delft, The Netherlands.

Elfeki, A.M. (2002). Transient Groundwater Flow in Heterogeneous Geological Formations. Poster Presentation on the third meeting on DIOC “Water” mini-symposium on 7^th November, 2002. Faculty of Civil Engineering and Geosciences, TU Delft, The Netherlands.

El Ouazzani, A. T., A. M. Elfeki and F.P. De Troch (2002). Comparison of two distributed hydrological models for predictions of hill slope responses at watershed scale through distributed and statistical running modes. Eos. Trans. American Geophysical Union, 83(47), Fall meeting, Suppl., Abstract H12A-0910, USA.

El Ouazzani, A. T., A. M. Elfeki, Niko Verhoest, and F.P. De Troch (2001). A TOPMODEL based concept for the modelling of the hillslope responses at sub-REW scale using the REW approach. Eos. Trans. American Geophysical Union, 82(47), Fall meeting, Suppl., Abstract H12C-0303, USA.

Elfeki, A.M.M., Dekking, F.M., Kraaikamp, C. & Bruining, J. (2001). Influence of Fine-Scale Heterogeneity Patterns on Large-Scale Behaviour of Miscible Transport in Porous Media. Poster Presentation on second meeting on DIOC “Water” mini-symposium on 20^th December, 2001. Civil Engineering Building, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Delft, The Netherlands.

Elfeki, A.M.M. and Rajabiani, H. R. (2001). Simulation of Plume Behavior at  the Macrodispersion Experiment (MADE1) Site by Applying the Coupled Markov Chain Model for Site Characterization. Poster Presentation on second meeting on DIOC “Water” mini-symposium on 20^th December, 2001. Civil Engineering Building, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Delft, The Netherlands.

Elfeki, A.M., Dekking, F.M. (1999). Markov Chain Model for Subsurface Characterization: Theory and Applications. Poster Presentation at the Second Annual Symposium, Delft Interfaculty Research Centre “Observation of the Earth and Earth’s Crust, Delft, The Netherlands. (Nov. 25, 1999).

Elfeki, A.M., Dekking, F.M., Kraaikamp, C., Bruining, J. and Verlaan, M.L.(1999). Merging Heterogeneous Structures at Various Scales by Way of Tree-indexed Markov Chains. Poster Presentation at the First Annual Symposium, Delft Interfaculty Research Centre “Observation of the Earth and Earth’s Crust, Delft, The Netherlands. (Nov. 25, 1999).

Elfeki, A.M., Dekking, F.M., Kraaikamp, C., Bruining, J. and Verlaan, M.L.(1998). Merging Heterogeneous Structures at Various Scales by Way of Tree-indexed Markov Chains. Poster Presentation at the Gordon Research Conferences, Modeling of Flow In Permeable Media, Andover, New Hampshire, USA. (Augest 2-7, 1998).

(f)  Internal Publications: Manuals for Programs developed by Elfeki:

Elfeki, A.M.M. (2004). Stochastic Analysis of Groundwater Flow and Contaminant Transport in Aquifers by Monte Carlo method.

Elfeki, A.M.M. (2001). Particle Tracking Random Walk for Modelling
Transport in Homogeneous and Heterogeneous Porous Media.

Elfeki, A.M.M. (2001). Generation of Random Fields for Hydro-geological Parameters.

Elfeki, A.M.M. (1996). Provisional manual for the programs that have been developed at Ph.D. Thesis. These programs have been sold out to GeoDelft, Delft, The Netherlands.