1. Alizadeh, A., 2006. Principles of Applied Hydrology. Ferdowsi University of Mashhad. Iran. 807 pp. 2. Ashraf, A., Ahmad, Z., 2008. Regional groundwater flow modelling of Upper Chaj Doab of Indus Basin, Pakistan using finite element model (Feflow) and geoinformatics. Geophysical Journal International 173, 17–24. 3. Bloomfield, JP., Marchant, BP., 2013. Analysis of groundwater drought building on the standardized precipitation index approach. Hydrology and Earth System Sciences 17,4769–4787. 4. Bloomfield, JP., Marchant, BP., Bricker, SH., Morgan, RB., 2015. Regional analysis of groundwater droughts using hydrograph classification. Natural Hazards and Earth System Sciences 19, 4327–4344. 5. Boulton, NS., 1963. Analysis of data from non-equilibrium pumping tests allowing for delayed yield from storage. Proceedings of the Institution of Civil Engineers 26, pp. 469-482. 6. Consulting engineers of Zharfab Payesh, 2003. Semi-detailed studies of Aleshtar Groundwater. 7. Ghafoori Kharanagh, S., 2012. Selection of suitable method to estimate the aquifer hydrodynamic coefficients. M.Sc. thesis, University of Tehran. 109 pp. 8. Hosseini, A., Farajzade M., Velayati S., 2005. Analysis of the water crisis in Nishabur with environmental planning approach. Research Committee of Water Company Khorasan province. 143 pp. 9. Hugman, R., Stigter, TY., Monteiro, JP., Nunes, L., 2011. Influence of aquifer properties and the spatial and temporal distribution of recharge and abstraction on sustainable yields in semi-arid regions. hydrological processes 26,18, 2791–2801. 10. Kresic, N, 2007. Hydrogeology and groundwater modeling. 2ed. CRC Press. 830pp. 11. Mishra, A K., Singh, VP., 2010. A review of drought concepts. Journal of Hydrology 391, 202–216. 12. Moench, AF., 1997. Flow to a well of finite diameter in a homogeneous, anisotropic water-table aquifer, Water Resources Research 33, 6, 1397-1407. 13. Mokhtari, H., Espahbod, H., 2009. The investigation of hydrodynamic parameters potentiality of the Varamin plain regarding the variation of salinity gradient. Journal of Geoscience 4,2, 27-47. 14. Naderianfar, M., Ansari, H., 2011. evaluation of drought severity-duration effects on watertable elevation at different time scales (case study: neyshabur plain). Water Engineering Journal 4, 1-15. 15. Neuman, SP., 1972. Theory of flow in unconfined aquifers considering delayed gravity response of the water table, Water Resources Research 8, 4, 1031-1045. 16. Osti, A L., Lambert, MF., Metcalfe, AV., 2008. On spatiotemporal drought classification in New South Wales: Development and evaluation of alternative techniques, Australian Journal of Water Resources 12, 21–34. 17. Radfar, M., Van Camp, M., Walraevens, K., 2013. Drought impacts on long-term hydrodynamic behavior of groundwater in the tertiary–quaternary aquifer system of Shahrekord Plain, Iran. Environmental Earth Sciences 70, 2, 927-942. 18. Soleimani Motlagh, M., 2012. Optimized Exploitation Management of Groundwater Resources in Drought Conditions using MODFLOW Model (Case Study: Aleshtar Plain, Lorestan Province). M.Sc. thesis, University of Yazd. 136 pp. 19. Takabi, E., 2015. Determined the hydrogeological parameters of the Shirvan aquifer. M.Sc. thesis, University of Shahrood. 136 pp. 20. Talebi, A., Soleimani Motlagh, M., Malekinezhad, H., Taie Semiromi, M. 2014. Optimized Exploitation Management of Groundwater Resources in Drought Conditions in Aleshtar Plain. Aridland & Desert Research Institute. Yazd University. 123 pp. 21. Van Camp, M., Radfar, M., Walraevens, K., 2010. Assessment of groundwater storage depletion by overexploitation using simple indicators in an irrigated closed aquifer basin in Iran. Agricultural Water Management 97, 11, 1876–1886. 22. Vidal, JP., Martin, E., Kitova, N., Najac, J., Soubeyroux, JM., 2012. Evolution of spatio-temporal drought characteristics: validation, projections and effect of adaptation scenarios, Hydrology and Earth System Sciences16, 2935–2955. 23. Zhang, Y., Xue, YQ., Wu, JC., Shi, XQ., Yu, J., 2010. Excessive groundwater withdrawal and resultant land subsidence in the Su-Xi-Chang area, China, Environmental Earth Sciences 61, 1135–1143.