Arabi Z., Badraghnejad A. 2021. Measurement and correlation analysis of drought time series based on Moody's satellite images and Standard Precipitation Climatic Index (SPI) in the eastern slope of Zagros. Journal of Spatial Analysis of Environmental Hazards, Year 8, 4 (3), pp. 71-88. (in Persian).
Bagheri R., Mohammadi S. 2012. Investigating the spatial changes of drought using geostatistics in Kerman province in a 30-year statistical period (1970-2000), Pasture and Desert Research of Iran, 19(2) pp .296-283. (in Persian).
Banglapedia E. 2003. National Encyclopedia of Bangladesh, Islam, S. edited, Asiatic Society of Bangladesh.
Dracup J.A, Lee K.S, 1980. Paulson Jr EG, On the statistical characteristics of drought events, Water Resource Research, 16(4):pp. 289–296. Gibbs W., J Maher. 1967. Rainfall Deciles as Drought Indicators, Bureau of Meteorology Bulletin, 48, Commonwealth of Australia, Melbourne. Gibbs W., Maher J. 1967. Rainfall Deciles as Drought Indicators, Bureau of Meteorology Bulletin,48,CommonwealthofAustralia, Melbourne. Guttmn B N. 1999. Comparing the Drought Index and the Standardized Precipitation Index. J of American Water Resources Association: 34(1), pp.113-121.
Hayes M., Svoboda M., Wall N., Widhalm M. 2011. The lincoln declaration on drought indices: universal meteorological drought index recommended. Bull. Am. Meteor. Soc. 92 (4), pp.485–488. Hejazizadeh Z., Joyzadeh S. 2018. Analysis of spatial statistics of drought in Iran, Journal of Applied Research in Geographical Sciences. Year 19, No. 53 (2): pp. 277-251(in Persian). Hijazizadeh Z., Pejoh F., Shakiba H. 2017. Analyzing the accuracy of drought indices and determining the best climate index in the south. (Geography) scientific-research and international quarterly of the Geographical Society of Eastern Iran, 19th year, 68(1), pp. 5-21(in Persian). Hisdal H., Tallaksen L.M. 2000. Drought Event Definition, Technical Report No. 6, Assessment of the Regional Impact of Droughts in Europe, Department of Geophysics, University of Oslo, Blindern, Norway. Kakaei E., Moradi H.R., Moghaddam Nia A., Van Lanen H.A.J. 2019. Quantifying Positive and Negative Human-Modified Droughts in the Anthropocene: Illustration with Two Iranian Catchments, Water Journal, 11 (884), pp.1 – 28.
Leshni Zand M., Parvaneh B., Payamni K., Sepahvand A. 2013. Studying the compatibility of meteorological and hydrological drought in Sarab Said Ali basin. Irrigation and water engineering scientific-research quarterly - third year, 9 (3), pp. 1-11. (in Persian).
Lopez-moreno J.I., Vicente-serrano S.M., Beguria S., Garcia-Rui M., Portela M.M., Almeida A.B. 2009. Dam effects on droughts magnitude and duration in atransboundary basin: The Lower River Tagus, Spain and Portugal, Water Resources Research, 45(2), pp.1-13.
Maleki Nejad H., Soleimani Motlaq M. 2018. Investigation of the severity of meteorological and hydrological droughts in Chaglundi basin, Iranian Water Research Journal, fifth year, 9 (4), pp. 61-72. (in Persian).
Mckee T.B., Doesken N J., Kleist J. 1993, the Relationship of Drought Frequency and Duration to Time Scale, 8th Conference on Applied Climatology, Anaheim, CA, American Meteorological Society, pp, 179-184.
Mckee T B., Doesken N J., Kleist J. 1993. "The Relationship of Drought Frequency and Duration to Time Scales". In: Proc. 8th Conf. on Applied Climatology, January 17 – 22, 1993. American Meteorological Society, Massachusetts, pp.179 - 184.
Mishra A K., Singh V P. 2010. A review of drought concepts, Journal of Hydrology, 391(9):202-216.
Mix K., W Groeger., A Lopes V. 2016. Impacts of dam construction on streamflows during drought periods in the Upper Colorado River Basin, Texas, Lakes and reservoirs, 21(4), pp. 329-337. Palmer, W.C. 1965. Meteorological drought. USWB, Res. Paper No.45.
Moradi H., Rajabi M., Farajzadeh M. 2016. Analysis of the trends and spatial characteristics of the severity of droughts in Fars province. Scientific-research quarterly of pasture and desert research in Iran. No. 1(3), pp. 109-97. (in Persian).
Moradi H.R., Rajabi M., Farajezadeh M. 2011. Investigation of meteorological drought characteristics in Fars province, Iran, Catena, 84(7), pp.35-46.
Raisi, M. B., Vafakhah M. 2018. Spatial analysis of drought in three coastal provinces of the Caspian Sea, Iran's specialized scientific quarterly of natural ecosystems. First year (3) pp. 1-10. (in Persian).
Sadeghi S., Alijani B., Saligheh N., Ghahroudi T. 2008. Synoptical analysis of anti cyclones on the continuous drought in Khorasan Province. Journal of geography and regional development, (10), pp.105-118.
Sirdas S., Sen Z. 2003. Spatio-temporal drought analysis in the Trakya region.
Soltani S., Saadati SS. 2016. Drought zoning in Isfahan province using Standard Precipitation Index (SPI), Scientific-Research Journal of Watershed Science and Engineering of Iran, 1(2),pp 67-64 (in Persian).
Vafakhah M., Rajabi M. 2013. The effectiveness of meteorological drought profiles for monitoring and evaluating droughts in the Bakhtegan, Tashk and Maharlo lakes watershed. the desert. Volume 10, (1) 3, pp. 371-381.(in Persian).
Wilhite D A., Glantz M.H. 1985. Understanding the drought phenomenon: the role of definitions. Water International, 10(3),pp.111-120.
Zengchao H., Singh VP. 2015. Drought characterization from a multivariate perspective. A review, Journal of Hydrology, 527(5), pp. 668–678