Aliza
Bazrafshan J, de A, Kamali GH (2007) Crops water requirements in Iran. Astan Qods Razavi Press, 228p (In Persian)Hejabi S, Rahimi J (2014) Drought monitoring using the Multivariate Standardized Precipitation Index (MSPI). Water Resources Management 28(4):1045-1060
Bazrafshan O, Mohseni Saravi M, Malekian A, Moeini A (2011). A study on drought characteristics of Golestan province using Standardized Precipitation Index (SPI). Iranian journal of Range and Desert Research 18(3):395–406 (In Persian)
Beguería S, Vicente‐Serrano SM, Reig F, Latorre B (2014) Standardized Precipitation Evapotranspiration Index (SPEI) revisited: parameter fitting, evapotranspiration models, tools, datasets and drought monitoring. International Journal of Climatology 34(10):3001–3023
Dehban H, Ebrahimi K, Araghi Nejad SH (2015) Evaluation of MRDI as a new index (case study: Gorganroud basin). Iranian Journal of Soil and Water Research 46(1):19–30 (In Persian)
Doerffer R, Schiller H (2008) Algorithm Theoretical Basis Document (ATBD). Available at https:// earth. esa. int/ documents 10174:1591138p
Ebrahimpour M, Rahimi J, Nikkhah A, Bazrafshan, J (2014) Monitoring agricultural drought using the standardized effective precipitation index. Journal of Irrigation and Drainage Engineering 141(1):04014044
Ficklin DL, Letsinger SL, Gholizadeh H, Maxwell JT (2015) Incorporation of the penman–monteith potential evapotranspiration method into a palmer drought severity index tool. Computers & Geosciences 85:136–141
Ghabaei Sough M, Mosaedi A, Zare Abyaneh H (2016) Requisiteness of drought monitoring based on multivariate indices. In: Proc. of 6th National Conference on Iran Water Recourses Management, 20-22 April, University of Kurdistan-Iran (In Persian)
Genest C, Favre AC (2007) Everything you always wanted to know about copula modeling but were afraid to ask. Journal of Hydrologic Engineering 12(4):347–368
Govindaraju RS (2013) Special issue on data-driven approaches to droughts. Journal of Hydrologic Engineering 18:735–736
Hao Z, AghaKouchak A (2013) Multivariate standardized drought index: A multi-index parametric approach for drought analysis. Advances in Water Resources 57:12–18
Hao Z, Singh VP ( 2015) Drought characterization from a multivariate perspective: A review. Journal of Hydrology 527:668–678
Karamouz M, Araghinejad SH (2005) Advanced hydrology. Amirkabir University of Technology. Tehran polytechnic Press, 460p (In Persian)
Keyantash JA, Dracup JA (2004) An aggregate drought index: assessing drought severity based on fluctuations in the hydrologic cycle and surface water storage. Water Resources Research 40(9):W09304
Jacobi J, Perrone D, Duncan LL, Hornberger G (2013) A tool for calculating the palmer drought indices. Water Resources Research 49(9):6086-6089
Li Q, Zeng M, Wang H, Li P, Wang K, Yu M (2015) Drought assessment using a multivariate drought index in the Huaihe River basin of Eastern China. In: Proc. of the International Association of Hydrological Sciences 369:61–67
Lloyd-Hughes B, Saunders MA (2002) A drought climatology for Europe. International Journal of Climatology 22:1571–1592
McKee TB, Doesken NJ, Kleist J (1993) The relationship of drought frequency and duration to time scales. In: Proc. of the 8th Conference on Applied Climatology, 17-22 January, Anaheim, California
Meyer SJ, Hubbard KG, Wilhite DA (1991) The relationship of climatic indices and variables to corn (maize) yields: a principal components analysis. Agricultural and Forest Meteorology 55(1-2):59–84
Mosaedi A, Shahabi M (2007) Risk management by considerate microclimate of Golestan province. Iranian Meteorological Organization. Tehran, 167p (In Persian).
Mosaedi A, Khalilizade M, Mohammadi Ostadkelaye, A (2008) Drought monitoring in Golestan province. Journal of Agricultural Sciences and Natural Resources 15( 2):176–183 (In Persian)
Rajsekhar D, Singh VP, Mishra AK (2015) Multivariate drought index: An information theory based approach for integrated drought assessment. Journal of Hydrology 526:164–182
Sivakumar MVK, Motha RP, Wilhite DA, Wood DA (2011) Agricultural drought indices. In: Proc. of the WMO/UNISDR Expert Group Meeting on Agricultural Drought Indices, 2-4 June, Murcia, Spain, 197p
Stagge JH, Tallaksen LM, Gudmundsson L, Van Loon AF, Stahl K (2015) Candidate distributions for climatological drought indices (SPI and SPEI). International Journal of Climatology 35(13):4027–4040
Stagge JH, Tallaksen LM, Gudmundsson L, Van Loon AF, Stahl K (2016) Response to comment on ‘Candidate distributions for climatological drought indices (SPI and SPEI)’. International Journal of Climatology 36(4):2132–2138
Svoboda M, LeComte D, Hayes M, Heim R (2002) The drought monitor. Bulletin of the American Meteorological Society 83(8):1181
Van der Loo MP (2010). Distribution based outlier detection for univariate data. Statistics Netherlands, 10003
Vangelis H, Tigkas D, Tsakiris G (2013) The effect of PET method on Reconnaissance Drought Index (RDI) calculation. Journal of Arid Environments 88:130–140
Vicente-Serrano SM, Beguería S, López-Moreno JI (2010) A multi–scalar drought index sensitive to global warming: The Standardized Precipitation Evapotranspiration Index – SPEI. Journal of Climate 23(7):1696– 1718
Woli P, Jones JW, Ingram KT, Fraisse CW (2012) Agricultural Reference Index for Drought (ARID). Agronomy Journal 104:287–300
Yu M, Li Q, Lu G, Wang H, Li P (2015) Development and application of a short- /long-term composited drought index in the upper Huaihe river basin, China. In: Proc. of the International Association of Hydrological Sciences 369:103–108
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