picture Shabtai (Shep) Cohen Ph.D

Email: vwshep@agri.gov.il
Tel: +972-3-9683701
Cell phone: +972-0-6220701
Fax: +972-3-9604017 (departmental)
Department of Environmental Physics and Irrigation
Institute of Soil, Water and Environmental Sciences
Agricultural Research Organization
The Volcani Center
P.O.Box 6, Bet Dagan 50250, Israel

Research Interests

Selected Publications

  1. Tanny, J., L. Haijun and S. Cohen (2006). Energy balance closure and application of the eddy covariance technique in a banana screenhouse. Geophysical Research Abstracts, Vol. 8, 02506, 2006
  2. S. Cohen, A. Ianetz, M. Moller, and G. Stanhill (2006). Changing trends of surface solar radiation at Bet Dagan and their relation to climate. Geophysical Research Abstracts, Vol. 8, 04550, 2006
  3. S. Cohen and G. Stanhill (2006). Changes in Japanese sunshine duration during the 20th century correlate with the Northern Hemisphere temperature anomaly. Geophysical Research Abstracts, Vol. 8, 04571, 2006
  4. Agele, S., S. Cohen, S. Assouline (2006). Hydraulic characteristics and water relations of net house-grown bell pepper as affected by irrigation regimes in a Mediterranean climate. Environmental and Experimental Botany 57:226-235
  5. Assouline, S., Moller,M., S. Cohen, M. Ben-Hur, A. Grava, K. Narkis, A. Silber. (2006). Soil-plant system response to pulsed drip irrigation and salinity: bell pepper case study. Soil Science Society of America Journal 70:1556-1568
  6. Moller, M., V. Alchanatis, Y. Cohen, M. Meron, J. Tsipris, A. Naor, V. Ostrovsky, M. Sprintsin, S. Cohen (2006). Use of thermal and visible imagery for estimating crop water status of irrigated grapevine. Journal of Experimental Botany, in press.
  7. Tanny, Y., L. Haijun, S. Cohen (2006). Airflow characteristics, energy balance and eddy covariance measurements in a banana screenhouse. Agricultural and Forest Meteorology, in press.
  8. Tanny, J., S. Cohen, Grava, A., Naor, A. and Lukianov, V. (2006). The effect of shading screens on the microclimate of an apple orchard. Alon H'anotea 60:120-125.
  9. S. Cohen, Tanny, J., Assouline, S., Grava, A., Berger, D. and Teltash, B. (2006). "Are the waters dried up from off the face of the earth": Direct measurements and estimation of evaporation from the free water surface in Netufa reservoir. Water and Environment 68: 13-17.
  10. Li, Y., H. Xu, and S. Cohen (2005). Long term hydraulic acclimation to soil texture and radiation load in cotton. Plant, Cell and Environment 28:492-499.
  11. Stanhill,G., and S. Cohen (2005). Solar radiation changes in the United States during the 20th Century: Evidence from sunshine duration measurements. Journal of Climate 18(10):1503-1512.
  12. S. Cohen, Raveh,E., Li,Y., Grava, A., and E.E. Goldschmidt (2005). Physiological responses of leaves, tree growth and fruit yield of grapefruit trees under reflective shade screens. Scientia Horticulturae 107(1):25-35
  13. Netzer, Y., C. Yao, M. Shenker, B. Bravdo, A. Schwartz, S. Cohen (2005). Water consumption of 'Superior' grapevines grown in a semi-arid region. Acta Horticulturae 689:399-405
  14. Yahav,S., Shinder, D., Tanny, Y., and S. Cohen (2005). Sensible heat loss - the broiler's paradox. World Poultry Science Journal 61: 419-434
  15. Sprintsin, M., S. Cohen, A. Karnieli, P. Berliner, E. Rotenberg and Yakir, D. (2005). Remote sensing techniques for estimating the Leaf Area Index of a planted forest located at the desert transition zone. In A. Roder and J. Hill (Eds.) Proceedings of the 1st International Conference on Remote Sensing and Geoinformation Processing in the Assessment and Monitoring of Land Degradation and Desertification, held in Trier (Germany), September 7-9, 2005. pp. 102-107.
  16. Tanny, J. and S. Cohen (2005). Evaporation from natural surfaces: boundary layer structure, eddy flux and modeling. In P. Aggarwal et al. (Eds.) International workshop on isotopic effects in evaporation. Revisiting the Craig-Gordon Model four decades after its formulation, Area della Ricerca CNR, Pisa, Italy, 3-5 May 2006. pp. 188-192. Published by Consiglio Nazionale delle Ricerche-CNR, Italy. April, 2006
  17. Moller, M., J. Tanny, Y. Li, and S. Cohen (2004)Measuring and predicting evapotranspiration in an insect-proof screenhouse. Agricultural and Forest Meteorology 127:35-51.
  18. Li, Y., Cohen, Y., Wallach, R., S. Cohen, and M. Fuchs (2004). On quantifying soil water deficit of a partially wetted root zone by the response of canopy or leaf conductance. Agricultural Water Management, 65:21-38.
  19. Yahav, S., A. Straschnow, D. Luger, D. Shinder, J. Tanny, and S. Cohen (2004). Ventilation, sensible heat loss and broiler energy and water balance under harsh environmental conditions. Poultry Science, 83:253-258.
  20. David, T.S., M. I. Ferreira, S. Cohen, J. S. Pereira and J. S. David (2004). Seasonal trends and hydraulic limits of transpiration from an isolated Quercus rotundifolia Lam. tree in southern Portugal. Agricultural and Forest Meteorology 122:193-205.
  21. Cohen,S., Liepert, B., and G. Stanhill (2004) Global dimming comes of age. EOS 85(38):362.
  22. Raveh, E., S. Cohen, T. Raz, D. Yakir,A. Grava and E.E. Goldschmidt (2003). Increased growth of young citrus trees under reduced radiation load in a semi-arid climate. Journal of Experimental Botany, 54 (381):365-373.
  23. Tanny, J., S. Cohen (2003). The effect of a small shade net on the properties of wind and selected boundary-layer parameters above and inside a citrus orchard. Biosystems Engineering 84(1):57-67.
  24. Tanny, J., S. Cohen, M. Teitel (2003). Screenhouse microclimate: an experimental study. Biosystems Engineering 84(3):331-341.
  25. Schiller, G., ED Unger, Y. Moshe, S. Cohen and Y. Cohen. (2003). Estimating water use by sclerophyllous species under east Mediterranean climate: II. The transpiration of Quercus calliprinos Webb. in response to silvicultural treatments. Forest Ecology and Management 179:483-495.
  26. S. Cohen, Bennink, J. and M. Tyree. (2003) Air method measurements of apple vessel length distributions with improved apparatus and theory. Journal of Experimental Botany, 54(389):1889-1897
  27. Naor, A., S. Cohen (2003). Response of apple tree stem diameter, midday stem water potential and transpiration rate to a drying and recovery cycle. Hortscience 38(4):547-551
  28. M?ller, M., Tanny, J., S. Cohen and Teitel M. (2003). Micrometeorological measurements in a screenhouse. Acta Horticulturae 614:445-451.
  29. Li, F., Kang, S., Zhang, J. and S. Cohen (2003). Effects of atmospheric CO2 enrichment, water status and applied nitrogen on water- and nitrogen-use efficiencies of wheat. Plant and Soil 254:279-289.
  30. Li, F., S. Cohen, A. Naor, K. Shaozong and A. Erez (2002). Studies of canopy structure and water use of apple trees on three rootstocks. Agricultural Water Management 55(1): 1-14
  31. Cohen, S. and A. Naor (2002). The effect of three rootstocks on water use, canopy conductance and hydraulic parameters of apple trees; and predicting canopy from hydraulic conductance. Plant Cell and Environment 25(1):17-28.
  32. Assouline, S., S. Cohen, D. Meerbach, T. Harodi, and M. Rosner(2002). Microdrip Irrigation of Field Crops - Effect on Yield, Water Uptake, and Drainage in Sweet Corn . Soil Science Society of America Journal. 66:228-235
  33. Li, Y., M. Fuchs, S. Cohen, Y. Cohen & R. Wallach (2002). Water uptake profile response of corn to soil moisture depletion. Plant Cell and Environment 25(4):491-500.
  34. Cohen, S. and G. Stanhill (2002) Evaporative climate changes at Bet-Dagan, Israel, 1964-1998. Agric. For. Meteorol. 111(2):83-91.
  35. Stanhill, G., Cohen, S. (2001). Global dimming: a review of the evidence for a widespread and significant reduction in global radiation with discussion of its probable causes and possible agricultural consequences. Agric. For. Meteorol. 107:255-278.
  36. Cohen, S., M. J. Striem, M. Bruner, and I Klein (2000). Grapevine leaf area index evaluation by gap fraction inversion Acta Hort. 537:87-94.
  37. Meerbach, D., S. Cohen, U. Yirmiyahu, R. Wallach, and C. Dirksen (2000). Influence of drip irrigation layout on salt distribution and sap flow in effluent irrigated cotton. Acta Hort. 537:709-718.
  38. Meron, M., S. Cohen, and G. Melman (2000). Tree shape and volume measurement by light interception and aerial photogrammetry. Trans. ASAE 43(2):475-481 .
  39. Cohen, S., N. Mogilner and S. Moreshet, M. Bar-Joseph (2000). Influence of citrus exocortis viroid on Citron seedling water relations. Acta Hort 535:245-251.
  40. Cohen, S. and M. Fuchs. (1999). Measuring and predicting radiometric properties of reflective shade nets and thermal screens. Journal of Agricultural Engineering Research 73:245-55.
  41. Cohen, S., A. Shaeffer, S. Shen, S. Cohen, and M. Sagi. (1999). Light distribution in greenhouse muskmelon canopies. Prediction, measurement and influences. Acta Hort. 507:17-24.
  42. Moreshet, S., S. Cohen, Z. Assor, and M. Bar-Joseph. (1998) Water relations of citrus exocortis viroid-infected grapefruit trees in the field. J. Exp. Bot. 49(325):1421-1430.
  43. Cohen, S. and H. Gijzen. (1998) The implementation of software engineering concepts in the greenhouse crop model HORTISIM. Acta Hortic. 456:431-440.
  44. Cohen, S., S. Moreshet, L. LeGuillou, J.-C. Simon, and M. Cohen. (1997) Response of citrus trees to modified radiation regime in semi-arid conditions. J. Exp. Bot. 48(306): 35-44.
  45. Stanhill, G. and S. Cohen. (1997) Recent changes in the surface radiation balance of antarctica. Journal of Climate 10(8):2078-86.
  46. Cohen, S., R. Sudhakara Rao, and Y. Cohen. (1997) Canopy transmittance inversion with a line quantum probe in a row crop. Agric. For. Meteorol. 86:225-234.
  47. Cohen, S. and G. Stanhill (1996). Contemporary climate change in the Jordan Valley. J. Appl. Meteorol. 35(7): 1051-1058.
  48. Welles, J. and S. Cohen (1996). Canopy structure measurement by gap fraction analysis using commercial instrumentation. J. Exp. Bot. 47(302):1335-1342.
  49. Cohen, S., P. Mosoni and M. Meron (1995). Canopy clumpiness and radiation penetration in a young hedgerow apple orchard. Agric. For. Meteorol. 76:185-200
  50. Cohen, A., A. Goell, S. Cohen, and Ismajovitch, R. (1988). Effects of leaf distribution in the canopy on the total dry matter production in grapefruit trees. Isr. J. Bot. 37: 257-266.
  51. Cohen S. and Fuchs, M. (1987). The distribution of leaf area, radiation, photosynthesis and transpiration in a Shamouti orange hedgerow orchard, I. leaf area and radiation. Agric. For. Meteorol. 40: 123-144.
  52. Cohen, S., M. Fuchs, S. Moreshet and Cohen, Y. (1987). The distribution of leaf area, radiation, photosynthesis and transpiration in a Shamouti orange hedgerow orchard, II. photosynthesis, transpiration, and the effect of row shape and direction. Agric. For. Meteorol. 40: 145-162.
  53. Cohen, S. and Cohen, Y. (1983).Field studies of leaf conductance response to environmental variables in Citrus. J. Applied Ecol. 20(2): 561-570.
  54. Cohen, Y., M. Fuchs, and Cohen, S. (1983). Resistance to water uptake in a mature Citrus tree. J. Exp. Bot. 34(141): 451-460.
  55. Cohen, S.S., J. Gale, A. Shmida, A. Poljakoff-Mayber and Suraqui, S. (1981) Xeromorphism and potential rate of transpiration on Mt. Hermon, an East Mediterranean mountain. J. Ecol. 69: 391-403.

Current Projects

Department of Environmental Physics

Updated: 12 September, 2006