Education

• 2002: Ph.D. in Geoscience, Justus Liebig University of Giessen, Germany.
• 1996: M.S. in Geophysics, Menoufia University, Egypt.
• 1991: B.S. in Geology, Menoufia University, Egypt.

Publications

Book chapters

Khalil MA, Santos FAM (2011) Influence of degree of saturation in the electric resistivity–hydraulic conductivity relationship. In: Dikinya O (ed) Developments in hydraulic conductivity research, 49–70, InTech, ISBN 978-953-307-470-2(282p)

Peer-reviewed papers  (*graduate student)

1. Mohamed A. Khalil, David Barrick, R. M. Joeckel: Characterization of seepage in an earthfill dam by the integration of geophysical surveys and geotechnical data. Journal of Applied Geophysics, January 2024, 105273, Vol.220. https://doi.org/10.1016/j.jappgeo.2023.105273
2. Ali Gebril, Mohamed A. Khalil, R. M. Joeckel, James Rose: Analysis of legacy gravity data reveals sediment-filled troughs buried under Flathead Valley, Montana, USA. Near Surface Geophysics, Volume 22, Issue 3, Jun 2024, Pages279-417. https://doi.org/10.1002/nsg.12295
3. Abbas, M., El Qady, G., Mesbah, H., Massoud, U., Lethy, A., El Emam, A., Khalil, M., Vickers, R., Martinez, K., and Hawass, Z. 2023, Integrated Geophysical Surveys for Locating Cleopatra’s Tomb at Tap-Osiris Magna Temple, Borg El-Arab, Alexandria, Egypt. Fast Times, August 2023. https://www.eegs.org/fasttimes.
4. Mohamed A. Khalil, Mostafa G. Temraz, R. M. Joeckel, Osama M. Elnaggar and Hesham H. Abuseda: Estimating Hydraulic Conductivity from Reservoir Resistivity Logs, Northern Western Desert, Egypt. Pure and Applied Geophysics, November 2022, V 179, 4489–4501 https://doi.org/10.1007/s00024-022-03178-7, 
5. Mohamed A. Khalil, Mohammadhossein Sadeghiamirshahidi, R.M. Joeckel, Fernando M. Santos, A. Riahi: Mapping a hazardous abandoned gypsum mine using self-potential, electrical resistivity tomography, and Frequency Domain Electromagnetic methods. Journal of Applied Geophysics, Volume 205, October 2022, 104771, https://doi.org/10.1016/j.jappgeo.2022.104771.
6. Mohamed A. Khalil: Groundwater Classification by Using Fourier Analysis, Global Journal of Earth Science and Engineering. 2022, Pp 65-73, DOI: https://doi.org/10.15377/2409-5710.2022.09.5
7. * Kristen D. Prudhomme, Mohamed A. Khalil, Glenn D. Shaw, Marvin A. Speece, Katherine R. Zodrow and Tom Malloy: Integrated geophysical methods to characterize urban subsidence in Butte, Montana, U.S.A, Journal of Applied Geophysics, Volume 164, May 2019, Pp 87-105, https://doi.org/10.1016/j.jappgeo.2019.03.004
8.  Farzamian M, Ribeiro, J., Khalil, M., Santos, F., Kashkouli, M., and Mendonca, J. Application of Transient Electromagnetic and audio-Magnetotelluric Methods for Imaging the Monte Real Aquifer in Portugal. Pure and Applied Geophysics. Oct. 2018.  Pp1-17, https://doi.org/10.1007/s00024-018-2030-7 
9. Khalil, M. A., * Orubu, K., Rutherford, B., Speece, M., Santos Fernando, Farzamian, M. Integrated application of 2D resistivity and electromagnetic methods in locating a metallic–Sulfide deposit in Soap Gulch, Montana: A case study.  Arabian Journal of Geosciences. 2018. https://doi.org/10.1007/s12517-018-4130-1
10. * Mo Li, Xiaobing Zhou, Christopher H. Gammons, Mohamed A. Khalil, and Marvin Speece: Aeromagnetic and spectral expressions of rare earth element deposits in Gallinas Mountains area, Central New Mexico, USA. Interpretation, Vol. 6, No. 4, November 2018, http://dx.doi.org/10.1190/INT-2017-0199.1
11. * Akpofure Orubu, Mohamed A. Khalil, * Bradley Rutherford, Glenn Shaw, Ali Gebril, and Camela Carstarphen: Geophysical investigation of dewatering in Lolo Creek, Southwest Missoula, Montana, USA. Journal of Applied Geophysics 155, August 2018, 149-161. https://doi.org/10.1016/j.jappgeo.2018.06.014.
12. Mohamed A. Khalil, Andrew Bobst and Jesse Mosolf: Utilizing 2D Electrical resistivity Tomography and Very Low Frequency Electromagnetics to Investigate the Hydrogeology of Natural Cold Springs Near Virginia City, Southwest Montana. Journal Pure and Applied Geophysics, April 2018, https://doi.org/10.1007/s00024-018-1865-2
13. Farzamian, M., Fernando A. Santos, and Mohamed A. Khalil: Constraining unsaturated hydraulic parameters using the Latin Hypercube sampling method and coupled hydrogeophysical approach. Pure and applied geophysics, September 2017, https://doi.org/10.1007/s00024-017-1656-1
14. Francés, Alain Pascal; Ramalho, Elsa Cristina; Fernandes, Judite; *Groen, Michel; Hugman, Rui; Mohamed A. Khalil; De Plaen, Joel; Monteiro Santos, Fernando: Hydrogeophysics contribution to the hydrogeological conceptual model of the Albufeira-Ribeira de Quarteira coastal aquifer (Algarve, Portugal). Hydrogeology Journal. July 2015. V., 23. P. 1553-1572, https://doi.org/10.1007/s10040-015-1282-x
15. Farzamian, M., Fernando A. Santos, and Mohamed A. Khalil: Estimation of Unsaturated Hydraulic Parameters in Sandstone Using Electrical Resistivity Tomography under a forced infiltration tracer experiment. Journal of Applied Geophysics, 2015, V. 112, P. 175-189. https://doi.org/10.1016/j.jappgeo.2015.07.014
16. Elsa Ramalho, Mohamed Khalil, Judite Fernandes, Helena Amaral, and Fernando Monteiro Santos (2015): Geophysical assessment of contamination due to explosives in an abandoned facility towards its hydrogeological characterization. Environmental Earth Sciences, 2015, https://doi.org/10.1007/s12665-015-4070-y
17. Mohamed A. Khalil, Fernando M. Santos, Mohammad Farzamian, and Abeer Kenawy: 2-D Fourier transform analysis of the gravitational field of Northern Sinai Peninsula. Journal of Applied Geophysics, 2015. https://doi.org/10.1016/j.jappgeo.2015.01.022
18. Mohammad Farzamian, Fernando A. Santos and Mohamed A. Khalil: Application of EM38 and ERT methods in estimation of saturated hydraulic conductivity in unsaturated soil. Journal of Applied Geophysics, January 2015, V. 112, P. 175–189. https://doi.org/10.1016/j.jappgeo.2014.11.016
19. Mohamed A. Khalil, Fernando M. Santos: Geophysical evidence for the hydro-tectonic origin of the Sabkha El Sheikh Zwayed Lake and the shallow fresh water supplies, Northern Sinai, Egypt. Near Surface Geophysics, 2015, V. 13, P. 93-101.https://doi.org/10.3997/1873-0604.2014047 
20. Mohamed A. Khalil, Fernando M. Santos, M. Farzamian: 3D gravity inversion and Euler deconvolution to delineate the hydro-tectonic regime in El-Arish area, northern Sinai Peninsula, Journal of Applied Geophysics. 2014, V. 103, P. 104-113.https://doi.org/10.1016/j.jappgeo.2014.01.012
21. Mohamed A. Khalil and Fernando A. Monteiro Santos: 3D gravity inversion of Northern Sinai Peninsula, a case study. Pure and Applied Geophysics. 2014, V. 171, P.1557-1569. https://doi.org/10.1007/s00024-013-0707-5
22. Mohamed A. Khalil and Fernando A. Monteiro Santos: 2D and 3D resistivity inversion of Schlumberger vertical electrical soundings in Wadi El Natrun, Egypt: a case study. Journal of Applied Geophysics, 2013, V. 89, P.116-124. https://doi.org/10.1016/j.jappgeo.2012.11.014 
23. Mohamed. A. Khalil, F. M. Santos, M. Cachão, P. E. Fonseca, J. Mata: 2D and 3D resistivity tomography of Suímo garnet-bearing dike (Lisbon Volcanic Complex, Portugal): a case study. Journal of Geophysics and Engineering. 2013, V. 10, P. 1-10, https://doi.org/10.1088/1742-2132/10/3/035013
24. Mohamed A. Khalil, Fernando M. Santos: On the depth to anomaly estimation using Karous and Hjelt filter in VLF-EM data. Arabian Journal of Geosciences, 2013, Ms. No. AJGS-D-13-00104R1. https://doi.org/10.1007/s12517-013-1110-3
25. Mohamed A. Khalil, Abbas Mohamed Abbas, Fernando M. Santos, Usama Masoud, Hany Salah:  Application of VES and TEM techniques to investigate sea water intrusion in Sidi Abdel Rahman area, northwestern coast of Egypt, Arabian Journal of Geosciences, 2012, https://doi.org/10.1007/s12517-012-0564-z
26. Mohamed Metwaly, Mohamed A. Khalil, El Said Ragab: Tracing Subsurface Oil Pollutions Leakage using 2D electrical resistivity tomography. Arabian Journal of Geosciences, 2012, https://doi.org/10.1007/s12517-012-0600-z
27. Mohamed A. Khalil and Fernando M. Santos: Comparative study between filtering and inversion of VLF-EM profile data, Arabian J. of Geosciences, 2011, https://doi.org/10.1007/s12517-010-0168-4
28. Mohamed A. Khalil, Elsa C. Ramalho, Fernando M. Santos: Using resistivity logs to estimate hydraulic conductivity of a Nubian sandstone aquifer in southern Egypt. Near Surface Geophysics, 2011, 9, https://doi.org/10.3997/1873-0604.2011009
29. Mohamed A. Khalil and Fernando M. Santos:  2D resistivity inversion of 1D electrical-sounding measurement in deltaic complex geology: application to the delta Wadi El-Arish, northern Sinai, Egypt. Journal of Geophysics and Engineering, 2011, V. 8, P. 422-433, https://doi.org/10.1088/1742-2132/8/3/003
30. Mohamed A. Khalil and Fernando M. Santos: Hydraulic conductivity estimation from resistivity logs: a case study in Nubian sandstone aquifer. Arabian Journal of Geosciences, 2011, https://doi.org/10.1007/s12517-011-0343-2
31. *Usama Massoud, Fernando Santos, Mohamed A. Khalil, Ayman Taha, Abbas M. Abbas: Estimation of aquifer hydraulic parameters from surface geophysical measurements: a case study of the Upper Cretaceous aquifer, Central Sinai, Egypt. Hydrogeology Journal, 2010, V.18, P. 699-710, https://doi.org/10.1007/s10040-009-0551-y
32. Mohamed A. Khalil, Abbas Mohamed Abbas, Fernando S. Monteiro, Hany Salah, and *Usama Masoud: VLF-EM study for archeological Investigation of the Labyrinth mortuary temple complex at Hawara area, Egypt. Near Surface Geophysics, 2010, V. 8, P. 203-212, https://doi.org/10.3997/1873-0604.2010004
33. Mohamed Ahmed Khalil, Mahfooz A. Hafez, Fernando Monteiro Santos, Elsa C. Ramalho, Hany S.A. Mesbah and Gad M. El-Qady: An approach to estimate porosity and groundwater salinity by combined application of GPR and VES: a case study in the Nubian sandstone aquifer. Near surface Geophysics, 2010, V. 8, P. 223-233, https://doi.org/10.3997/1873-0604.2010007
34. Mohamed A. Khalil: Real surface conductivity component as indicator of hydraulic conductivity, Arabian J. of Geosciences, 2010, https://doi.org/10.1007/s12517-010-0143-0
35. Mohamed A. Khalil, Fernando A. Monteiro Santos, Sameh M. Moustafa, and *Usama M. Saad: Mapping water seepage from Nasser Lake (Egypt) using VLF-EM method - A case study. Journal of Geophysics and Engineering. 2009, V. 6, P. 101-110. https://doi.org/10.1088/1742-2132/6/2/001
36. Mohamed A. Khalil and Fernando M. Santos: Influence of Degree of Saturation in the Electric Resistivity–Hydraulic Conductivity Relationship, Surveys in Geophysics. 2009, V. 30, P. 601-615. https://doi.org/10.1007/s10712-009-9072-4 
37. Metwaly M., Mohamed A. Khalil, El-Said A. Al Said, and S. Osman: Hydrogeophysical study to estimate water seepage from the northwestern Lake Nasser, Egypt. Journal of Geophysics and Engineering. 2006, V. 3, P. 1-7. https://doi.org/10.1088/1742-2132/3/1/003

Technical Articles

1. Khalil, M., Hallum, D.R. and Joeckel, R.M., Joint interpretation of ERT and Self-Potential data to characterize the subsurface geology and hydrodynamics along the Sutherland Supply Canal and Paxton Siphon inlet, Paxton, Nebraska, 2024. University of Nebraska-Lincoln, Conservation and Survey Division, Report of Investigations 14, 46 pp, https://digitalcommons.unl.edu/conservationsurvey/847
2. Khalil, M., Korus, J., Hallum, D., and R.M. Joeckel: Subsurface Investigation of the Hideaway Hills Subdivision in Blackhawk, South Dakota Using Electric Resistivity Tomography (ERT) and Self-Potential (SP) Surveys. Open file (OFR-255).
3. A Geophysical survey of the Northdale sanitary district, Meade County, South Dakota, Mohamed Khalil, R.M. Joeckel, Jesse Korus and Douglas Halum. Submitted to Northdale sanitary district, Meade County, South Dakota, January 2023.