1 Khan, M. I., "projected changes of future extreme drought events under numerous drought indices in the eilongjiang province of China" 31 : 3921-3937, 2017
2 Jamshidi H, "Zia Hosseinipour E Assessment and comparison of SPI and RDI meteorological drought indices in selected synoptic stations of Iran" ASCE 2011
3 Tabrizi, A. A., "Utilization of time-based meteorological droughts to investigate occurrence of stream flow droughts" 24 : 4287-4306, 2010
4 Ballinger, G.A., "Using generalized estimating equations for longitudinal data analysis" 7 (7): 127-150, 2004
5 McKee TB, "The relationship of drought frequency and duration to time scales" American Meteorological Society 179-184, 1993
6 Kendall, M.G., "The Advanced Theory of Statistics. Vol.1, Distribution Theory" Charles Griffin Company 400-401, 1977
7 Raziei, T. B., "Spatial patterns and temporal variability of drought in western Iran" 23 : 439-455, 2009
8 Smakhtin VU., "Review, automated estimation and analyses of drought indices in South Asia, International water management institute" 2004
9 Tsakiris, G., "Regional drought assessment based on reconnaissance drought index (RDI)" 21 (21): 821-833, 2007
10 Kwarteng, F., "Reconnaissance drought index as potential drought monitoring tool in a Deccan plateau, hot semi-arid climatic zone" 9 (9): 2183-2186, 2017
1 Khan, M. I., "projected changes of future extreme drought events under numerous drought indices in the eilongjiang province of China" 31 : 3921-3937, 2017
2 Jamshidi H, "Zia Hosseinipour E Assessment and comparison of SPI and RDI meteorological drought indices in selected synoptic stations of Iran" ASCE 2011
3 Tabrizi, A. A., "Utilization of time-based meteorological droughts to investigate occurrence of stream flow droughts" 24 : 4287-4306, 2010
4 Ballinger, G.A., "Using generalized estimating equations for longitudinal data analysis" 7 (7): 127-150, 2004
5 McKee TB, "The relationship of drought frequency and duration to time scales" American Meteorological Society 179-184, 1993
6 Kendall, M.G., "The Advanced Theory of Statistics. Vol.1, Distribution Theory" Charles Griffin Company 400-401, 1977
7 Raziei, T. B., "Spatial patterns and temporal variability of drought in western Iran" 23 : 439-455, 2009
8 Smakhtin VU., "Review, automated estimation and analyses of drought indices in South Asia, International water management institute" 2004
9 Tsakiris, G., "Regional drought assessment based on reconnaissance drought index (RDI)" 21 (21): 821-833, 2007
10 Kwarteng, F., "Reconnaissance drought index as potential drought monitoring tool in a Deccan plateau, hot semi-arid climatic zone" 9 (9): 2183-2186, 2017
11 Gibbs WJ, "Rainfall deciles as drought indicators" (48) : 1967
12 Tsakiris G, "Paper prepared for the needs of the European Research Program MEDROPLAN (Mediterranean Drought Preparedness and Mitigation Planning)" 2004
13 Ismail, D., "Long-term spatio-temporal drought variability in Turkey" 552 : 779-792, 2017
14 Gardiner, J. C., "Fixed effects, random effects and GEE: what are the differences?" 28 (28): 221-239, 2009
15 Banimahd, S. A., "Factors influencing Markov chains predictability characteristics, utilizing SPI, RDI, EDI and SPEI drought indices in different climatic zones" 27 (27): 3911-3928, 2013
16 Zarei, A. R., "Evaluation of changes trend in seasonal drought based on actual data (1980-2014) and predicted data (1980-2019) in south-west of Iran" 7 (7): 71-85, 2016
17 Zareiee, A.R., "Evaluation of changes in different climates of Iran, using De-Martonne index and Mann-Kendall trend test" 2 : 2245-2261, 2014
18 Abdol Rassoul Zarei, "Evaluation of changes in RDIst index effected by different Potential Evapotranspiration calculation methods" Springer Science and Business Media LLC 31 (31): 4981-4999, 2017
19 Abdol Rassoul Zarei, "Evaluation of Drought Condition in Arid and Semi- Arid Regions, Using RDI Index" Springer Science and Business Media LLC 32 (32): 1689-1711, 2018
20 Legates, D. R., "Evaluating the use of Bgoodness-of-fit^measures in hydrologic and hydroclimatic model validation" 35 (35): 233-241, 1999
21 Tsakiris, G., "Establishing a drought index incorporating evapotranspiration" (9/10) : 3-11, 2005
22 A. R. Zarei, "Environmental assessment of semi-humid and humid regions based on modeling and forecasting of changes in monthly temperature" Springer Science and Business Media LLC 16 (16): 1457-1470, 2019
23 Mashari Eshghabad, S., "Efficiency of some meteorological drought indices in different time scales (case study:Tajan Basin, Iran)" 2 (2): 441-453, 2014
24 Bennani, S., "Efficiency of drought tolerance indices under different stress severities for bread wheat selection" 11 (11): 395-405, 2017
25 Cancelliere, A., "Drought forecasting using the standardized precipitation index" 21 : 801-819, 2007
26 Djerbouai, S., "Drought forecasting using neural networks, wavelet neural networks, and stochastic models: case of the Algerois basin in North Algeria" 30 : 2445-2464, 2016
27 Zarei, A. R., "Comparison of the climate indices based on the relationship between yield loss of rain-fed winter wheat and changes of climate indices using GEE model" 661 : 711-722, 2019
28 Mpelasoka, F., "Comparison of suitable drought indices for climate change impacts assessment over Australia towards resource management" 28 : 1283-1292, 2008
29 Morid, S., "Comparison of seven meteorological indices for drought monitoring in Iran" 26 (26): 971-985, 2006
30 Hu, F. B., "Comparison of population-averaged and subject-specific approaches for analyzing repeated binary outcomes" 147 (147): 694-703, 1998
31 Jain, V. K., "Comparison of drought indices for appraisal of drought characteristics in the Ken River basin" 8 : 1-11, 2015
32 Khalili, D., "Comparability analyses of the SPI and RDI meteorological drought indices in different climatic zones" 25 : 1737-1757, 2011
33 Gabriele, B., "Assessment of drought and its uncertainty in a southern Italy area (Calabria region)" 113 : 205-210, 2017
34 Zarei, A. R., "Analysis of changes in spatial pattern of drought using RDI index in south of Iran" 30 (30): 3723-3743, 2016
35 Ghisletta, P., "An introduction to generalized estimating equations and an application to assess selectivity effects in a longitudinal study on very old individuals" 29 (29): 421-437, 2004
36 Wu, H., "An evaluation the standardized precipitation index, the China-Z index and the statistical z-score" 21 : 745-758, 2001
37 Guttman, N.B., "Accepting the standardized precipitation index: a calculation algorithm" 35 (35): 311-322, 1999
38 Montaseri, M., "A Monte Carlo simulationbased approach to evaluate the performance of three meteorological drought indices in northwest of Iran" 31 : 1323-1342, 2017