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STATE OF ISRAEL I MINISTRY OF AGRICULTURE AND RURAL DEVELOPMENT   
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About Institutes Public Relations Technology Transfer Students\International Library Administration
שלח באימייל הדפס
 
Name: Shmulik Friedman, Ph.D. (Researcher)
Units: Soil, Water and Environmental SciencesEnvironmental Physics and Irrigation
Research Interests / Job description  
Tel:  03-9683424 03-9683513
Cell: 050-6220424
Fax:03-9604017
Email:  vwsfried@agri.gov.il
Office location:room # 213
Address:Institute of Soil, Water and Environmental Sciences (ARO)
The Volcani Center
P.O.Box 6
Bet Dagan 50250
Israel

Research scientist

Research Interests / Job description
Drip Irrigation, Irrigation with saline and recycled water
Methods of soil oxygenation
Soil-bacteria interactions, Bioclogging
Transport and retention properties of soils and granular/porous media
Electrical conductivity and permittivity of soils and rocks
Electromagnetic methods for measuring soil water content and salinity
Interactions between charged particles and ions
Flow and transport processes of water, solutes, gas molecules and colloidal particles in soils

Publications

Software

DIDAS - Drip Irrigation Design and Scheduling http://app.agri.gov.il/didas/

Journal Articles

1. Mualem, Y. and Friedman, S. P. (1991) Theoretical prediction of electrical conductivity in saturated and unsaturated soil. Water Resour. Res. 27:2771-2777.

2. Friedman, S. P. and Mualem, Y. (1994) Diffusion of fertilizers from controlled release sources uniformly distributed in soil. Fertilizers Res. 39:19-30. .

3. Friedman, S. P. and Seaton, N. A. (1995) A corrected tortuosity factor for network calculation of diffusion coefficients in porous materials. Chem. Eng. Sci. 50:897-900. .

4. Friedman, S. P., Zhang, L.  and Seaton, N. A. (1995) Gas and solute diffusion coefficients in pore networks and its description by a simple capillary model. Transport in Porous Media 19:281-301. .

5. Friedman, S. P. and Seaton, N. A. (1996) On the transport properties of anisotropic networks of capillaries. Water Resour. Res. 32:339-347. .

6. Seaton, N. A., Friedman, S. P., MacElroy, J. M. D. and Murphy, B. J. (1997)The molecular sieving mechanism in carbon molecular sieves. Langmuir 13:1199-1204. .

7. Friedman, S. P. (1997) Statistical mixing model for the apparent dielectric constant of unsaturated porous media. Soil Sci. Soc. Am. J. 61:742-745. .

8. Friedman, S. P. (1997) Agrochemical controlled-release and transport in the soil profile: I. Model formulation and sensitivity analysis for bare soil under field conditions. European J. Soil Sci. 48:523-533.

9. Friedman, S. P. (1998) Simulation of a potential error in determining soil salinity from measured apparent electrical conductivity. Soil Sci. Soc. Am. J. , 62:593-599.

10. Friedman, S. P.  (1998)A saturation degree-dependent composite spheres model for describing the effective dielectric constant of unsaturated porous media. Water Resour. Res., 34:2949-2961.

11. Friedman, S. P. and Seaton, N. A. (1998) Percolation thresholds and conductivities of uniaxial anisotropic simple-cubic lattice. Transport in Porous Media, 30:241-250.

12. Friedman, S. P. and Seaton, N. A. (1998) Critical path analysis of the relationship between permeability and electrical conductivity of 3-dimensional pore networks. Water Resour. Res., 34:1703-1710.

13. Friedman, S. P. and Mualem, Y. (1999) Mobility of herbicides microcaspsules in saturated granular medium. Transport in Porous Media, 36:121-130.

14. MacElroy, J. M. D, Friedman, S. P. and Seaton, N. A. (1999) On the origin of transport resistances within carbon molecular sieves. Chem. Eng. Sci., 54:1015-1027.

15. Friedman, S. P.  (1999) Dynamic contact angle explanation of flow rate-dependent saturation-pressure relationships during transient liquid flow in unsaturated porous media. J. Adhesion Sci. and Technol., 13:1495-1518.

16. Jones, S. B. and  Friedman, S. P. (2000) Particle shape effects on the effective permittivity of anisotropic or isotropic media consisting of aligned or randomly oriented ellipsoidal particles. Water Resour. Res., 36:2821-2833.

17. Robinson, D.A. and Friedman, S. P. (2000) Parallel plates compared with conventional rods as TDR waveguides for sensing soil moisture. Subsurface Sensing Technology and Applications, 1:497-511.

18. Robinson, D.A. and Friedman, S. P. (2001) Effect of particle size distribution on the effective dielectric permittivity of saturated granular media. Water Resour. Res., 37:33-40.

19. Friedman, S. P., and Jones, S. B. (2001) Measurement and approximate critical path analysis of the pore scale-induced anisotropy factor of an unsaturated porous medium. Water Resour. Res., 37:2929-2942.

20. Friedman, S. P., and Robinson, D. A. (2002) Particle shape characterization using angle of repose measurements for predicting the effective permittivity and electrical conductivity of saturated granular media.  Water Resour. Res., 38(11), 1236, doi:10.1029/2001WR000746.  

21. Robinson, D.A. and Friedman, S. P. (2002) The effective permittivity of dense packings of glass beads, quartz sand and their mixtures immersed in different dielectric backgrounds. J. Non Crystalline Solids, 305:261-267.   

22. Li, C. B., Friedman, S. P., and Zhao, A. (2002) Wien effect in suspensions of electrodyalized soil particles and its influencing factors. Pedosphere, 12:235-242.

23. Robinson, D. A. and Friedman, S. P. (2002) Observations of the effects of particle shape and particle size distribution on avalanching of granular media. Physica A., 311:97-110.

24. Li, C. B., Friedman, S. P., and Zhao, A. (2003) Interactions of cations with electrodialyzed clay fraction of soils as inferred from Wien effect in soil suspensions. Pedosphere, 13:59-66.

25. Li, C. B.  and Friedman, S. P. (2003) An apparatus for measuring the Wien effect in suspensions. Colloids and Surfaces A: Physicochem. Eng. Aspects, 222:133-140. 

26. Robinson D.A., Schaap, M., Jones, S. B., Friedman, S. P. and Gardner, C. M. K. (2003) Considerations for improving the accuracy of permittivity measurement using TDR: Air\water calibration, effects of cable length. Soil Sci. Soc. Am. J., 67:62-70.

27. Robinson, D.A. and Friedman, S. P. (2003) A method for measuring the solid particle permittivity or electrical conductivity of rocks, sediments, and granular materials. J. Geophys. Res., 108(B2), 2075, doi:10.1029/2001JB000691.  

28. Li, C. B., Friedman, S. P., and Zhao, A. (2003) Capacities of clay fraction of a Latosol to retain cations and anions as inferred from the Wien effect in soil suspensions. Pedosphere, 13:165-172.

29. Schaap, M., Robinson D.A., Friedman, S. P., and Lazar, A. (2003) Measurement and modeling of the TDR signal propagation through layered dielectric media. Soil Sci. Soc. Am. J., 67:1113-1121.

30. Cheng, A., Krasnov, Y., and Friedman, S. P. (2003) A single source - cylindrical soil domain model for studying simultaneous controlled-release and mixing processes. Vadose Zone J., 2:739-750.

31. Robinson D.A., Jones, S. B., Blonquist Jr J.M., and Friedman S. P. (2005) A physically derived water content/permittivity calibration model for coarse-textured, layered soils. Soil Sci. Soc. Am. J., 69:1372-1378.

32. Robinson D.A., and Friedman S. P. (2005) Electrical conductivity and dielectric permittivity of sphere packing: measurements and modelling of cubic lattices, randomly packed monosize spheres and multi-size mixtures. Physica A.Statistical Mechanics and its Application., 358:447-465.

33. Li, C. B., Zhao, A. and Friedman, S. P. (2005) A new method to evaluate adsorption energies between cations and soil particles via Wien effect measurements in dilute suspensions. Environ Science and Technology, 39:6757-6764. doi:10.1021/es050070b.

34. Jiang, J., Li, C. B., Zhao, A., Xu R. K., Wang Y.J., and Friedman, S. P. (2006)Interactions of Cu2+, Cd2+, and Pb2+ ions with the clay fractions of paddy soils as inferred from Wien effect measurements in dilute suspensions. Pedosphere, 16:718-725.

35. Wang, Y.J., Li, C.B., Wang, W.,  Zhou, D.M., Xu, R.K., and Friedman, S. P. (2008) Wien effect determination of adsorption energies between heavy metal ions and soil particles. Soil Sci. Soc. Am. J., 72:56-62.

36. Wang, Y.J., Li, C.B., Wei, W.,  Jinag J., Zhou, D.M., Xu, R.K., and Friedman, S. P. (2009) Negative Wien effect measurements for exploring polarization processes of cations interacting with negatively charged soil particles. Soil Sci. Soc. Am. J., 73:569-578.

37. Wang, Y.J., Li, C.B., Wang, W.,  Zhou, D.M., Xu, R.K., and Friedman, S. P. (2009) Wien effect characterization of the interactions of cations and anions with oppositely charged sites on the surfaces of variable-charge soils. Pedosphere, 19:545-553.

38. Communar, G. and Friedman, S.P. (2010)  Relative water uptake rate as a criterion of trickle irrigation systems design: 1. Coupled source-sink steady water flow model. Soil Sci. Soc. Am. J. 74:1493-1508. doi:10.2136/sssaj2009.0338.

39. Communar, G. and Friedman, S.P. (2010) Relative water uptake rate as a criterion of trickle irrigation systems design: 2.Surface trickle irrigation. Soil Sci. Soc. Am. J. 74:1509-1517. doi:10.2136/sssaj2009.0339.

40. Communar, G. and Friedman, S.P. (2010) Relative water uptake rate as a criterion of trickle irrigation systems design: 3.Subsurface trickle irrigation. Soil Sci. Soc. Am. J. 74:1518-1525. doi:10.2136/sssaj2009.0340.

41. Communar, G. and Friedman, S.P. (2010) Steady infiltration from point sources and water uptake in confined cylindrical domains.  Soil Sci. Soc. Am. J. 74:1861-1867 . doi:10.2136/sssaj2009.0441.

42. Communar, G. and Friedman, S.P. (2011) General solution for steady infiltration and water uptake in strip-shaped, rectangular and cylindrical domains. Soil Sci. Soc. Am. J., 75:2085-2094.

43. Meiri, A. Naftaliev, B. Shmuel, D., Yechezkel, H. Communar, G and Friedman, S.P. (2011) Short-term watering-distance and symmetry effects on root and shoot growth of bell pepper plantlets.  Agricultural Water Management, 98:1557-1568. doi:10.1016/j.agwat.2011.05.010.

44. Communar, G. and Friedman, S.P. (2012) Generalized coupled source-sink model for evaluating transient water uptake in trickle irrigation: I. Model formulation for soils with vertical heterogeneity. Soil Sci. Soc. Am. J., 76:779-790.

45. Communar, G. and Friedman, S.P. (2012) Generalized coupled source-sink model for evaluating transient water uptake in trickle irrigation: II. Illustrative irrigation scheduling scenarios. Soil Sci. Soc. Am. J., 76:791-805.

46. Communar, G. and Friedman, S.P. (2012) Steady infiltration from a surface point source into a two-layered cylindrically confined and unconfined soil region with root water extraction. Vadose Zone J., doi:10.2136/vzj2011.0189.

47. Friedman, S.P. and Naftaliev, B. (2012) A survey of the aeration status of drip-irrigated orchards. Agricultural Water Management, 115:132-147.

48. Wang, Y.J., Li, C.B., Wang, L.X.,  Zhou, D.M., Si, Y.B., and Friedman, S.P. (2013) Effects of organo-modification on the interactions between soil particles and cations as revealed by Wien effect measurements. Soil Sci. Soc. Am. J., 77:442-449. 

49. Communar, G. and Friedman, S.P. (2013) Unsteady infiltration from point and line sources in laterally confined domains. Soil Sci. Soc. Am. J., 77:1529-1541.

50. Communar, G. and Friedman, S.P. (2014) Determination of soil hydraulic parameters with cyclic irrigation testsVadose Zone J., doi: 10.2136/vzj2013.09.168.

51. Fan, T.T., Wang, Y.J., Li, C.B., Zhou, D.M. and Friedman, S.P. (2015) Effects of Soil Organic Matter on Sorption of Metal Ions on Soil Clay Particles. Soil Sci. Soc. Am. J., 79:794-802. 

52. Cmmunar, G. and Friedman, S.P. (2015) Cylindrically confined flows of water from a point source and to a sink, above a water table.Vadose Zone J., doi:10.2136/vzj2014.12.0183.

53. Ben Noah, I. and Friedman, S.P. (2015) Continuum modeling of steady air injection into partially saturated soils.Vadose Zone J., doi:10.2136/vzj2014.12.0170.

54. Friedman, S.P., Communar, G., and Gamliel, A. (2016) DIDAS - User-friendly software package for assisting drip irrigation design and scheduling. Comput. Elect. Agric., 120:36-52.

55. Fan, T.T., Wang, Y.J., Li, C.B., Gao, J., Zhou, D.M. and Friedman, S.P. (2016)  Evaluating the fraction of electrically associated cations on surfaces of soil particles by extrapolation of strong-field Wien effect measurements in dilute suspensions. J. Soils Sediments, 79:794-802.

56. Fan, T.T., Wang, Y.J., Li, C.B., He, J.J., Gao, J., Zhou, D.M., Friedman, S.P., and Sparks, D.L. (2016) Effect of organic matter on sorption of Zn on Soil: Elucidation by Wien effect measurements and EXAFS Spectroscopy. Environ. Sci. and Technol., 50:2931-2937.

57. Friedman S.P. (2016). Evaluating the role of water availability in determining the yield/plant population density relationship. Soil Sci. Soc. Am. J. 80:563-578. 

58. Ben-Noah, I. and Friedman, S.P. (2016). Aeration of clayey soils by injecting air through subsurface drippers: Lysimetric and field experiments. Agricultural Water Management, 176:222-233.

59. Ben-Noah, I. and Friedman, S.P. (2016). Oxygation of clayey soils by adding hydrogen peroxide to the irrigation solution: Lysimetric experiments. Rhizosphere, 2:51-61.

Book chapters and invited reviews

1. MacElroy, J. M. D., Seaton, N. A. and Friedman, S. P., (1997) Sorption rate processes in carbon molecular sieves. In: Equilibria and Dynamics of Gas Adsorption on Heterogeneous Solid Surfaces (Rudzinski et al., eds.), pp. 837-880. Studies in Surface Science and Catalysis, Vol. 104,  Elsevier, Amsterdam.

2. Friedman, S. P. and Seaton, N. A., (1997) Transport properties of diluted simple-cubic networks of capillaries. In: Fractals and Chaos in Chemical Engineering (Giona, M. and G. Biardi, eds.), pp. 39-55. World Scientific, Singapore.

3. Friedman, S. P. (1999) Transport of bacteria through saturated and unsaturated soils, Israel Agresearch (Ben-Hur, M., guest editor), 10:99-146 (in Hebrew).

4. Friedman, S. P.  (2000) Dynamic contact angle explanation of flow rate-dependent saturation-pressure relationships during transient liquid flow in unsaturated porous media, In: Apparent and Microscopic Contact Angles (Drelich, J., Laskowski, J. S. and K. L. Mittal, eds.), pp. 497- 520, VSP, Zeist, The Netherlands.

5. Robinson D. A., Jones S. B., Wraith J. M., Or D., and Friedman S. P. (2003) A review of advances in dielectric and electrical conductivity measurement in soils using time domain reflectometry. Vadose Zone J. (van Genuchten, M.Th., ed.), 2:444-475.

6. Friedman S. P. (2005) Soil properties influencing apparent electrical conductivity: A review. Computers and Electronics in Agriculture (Corwin, D., guest editor), 46:45-70.

7. Lesmes, D. P., and Friedman, S. P.  (2005) Relationships between the electrical and hydrogeological properties of rocks and soils. Ch. 4 in : Hydrogeophysics (Rubin, Y., Hubbard S. S., eds.), pp. 87-128, Springer, Dordrecht, The Netherlands.

8. Or, D., B. F. Smets, J.M. Wraith, A. Dechesne, and Friedman, S. P. (2007) Physical constraints affecting microbial habitats and activity in unsaturated porous media - A review. Advances in Water Resources (Wood, B., Ford, R., guest editors), 30:1505-1527.

9. Friedman S. P. (2011) Electrical Properties of Soils. In Encyclopedia of Agrophysics (Glinski, J. Horabik, J., Lipiec, J., eds.), pp. 242-254, Springer, Dordrecht, The Netherlands.

10. Wang, Y.J, Li, C.B., Zhou, D.M. and Friedman, S. P.  (2013)  Wien Effect in Suspensions and its Applications in Soil Science: A Review. Chap. 3 in Advances in Agronomy 122:127-178 (Sparks, D.L. editor), Elsevier, The Netherlands.   

Current Projects

Development of a new approach and software for the design and scheduling of drip irrigation 

Extension of a water flow and uptake model to salt accumulation and leaching and its application for drip irrigation management

Development of a new software for the design and scheduling of sprinkler irrigation

On-surface irrigation and sub-surface air injection for water saving and for improving the root zone aeration

Development of a new method for characterizing the interactions between charged soil particles and counter and co-ions via Wien effect measurements in dilute suspensions (not funded)







 

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