Akaike, H. (1974). A new look at Statistical Model Idenification. IEEE Transactions on Automatic Control, 19: 716- 723.
Ayantobo, O.O., Li, Y., Song, S. (2019). Copula-based trivariate drought frequency analysis approach in seven climatic sub-regions of mainland China over 1961–2013. Theoretical and Applied Climatology, 137: 2217- 2237.
Ayantobo, O. O., Li, Y., & Song, S. (2019). Multivariate drought frequency analysis using four-variate symmetric and asymmetric Archimedean copula functions. Water Resources Management, 33(1), 103-127.
Chen, L. Singh, V.P., Guo, S., Mishra, A.K., Guo, J. (2013). Drought analysis using copulas. Journal of Hydrologic Engineering, 18(7): 797–808.
Ganguli, P., Reddy, M.J. (2012(. Risk assessment of droughts in Gujarat using bivariate copulas, Water Resources Mannagement, 26: 3301-3327.
Haro, D., Abel, S., Javier, P., Joaquín, A. (2014). Methodology for drought risk assessment in within- year regulated reservoir systems: Application to the Orbigo, River System (Spain). Water Resources Management, 28(11): 3801-3814.
Hou, W., Yan, P., Feng, G., Zuo, D. (2021). A 3D Copula Method for the Impact and Risk Assessment of Drought Disaster and an Example Application. Frontiers in Physics, 9, 156.
Iuliana Bunea, A. (2019). Drought risk assessment by means of drought hazard and vulnerability indices in Muntenia Region. RISCURI ŞI CATASTROFE, NR. XIX, 25: 73-84.
Jiang, S., Yang, R., Cui, N., Zhao, L., (2018). Analysis of drought vulnerability characteristics and risk assessment based on information distribution and diffusion in Southwest China. Atmosphere, 9(7): 239.
Joe, H., (1997). Multivariate Models and Dependence Concepts. London: Chapman & Hall. 399 pp.
Kao, S.C., Govindaraju, R.S. (2010(. A copula-based joint deficit index for droughts. Journal of Hydrology, 380: 121-134.
Li, J., Bardossy, A., Guenni, L., Liu, M. (2011). A copula based observation network design approach. Environmental Modelling & Software, 26 (11): 1349-1357.
Maeng, S.J., Azam, M., Kim, H.S., Hwang, J.H. (2017). Analysis of changes in spatio-temporal patterns of drought across South Korea. Water, 9, 679.
Mesbahzadeh, T., Mirakbari, M., Mohseni Saravi, M., Soleimani Sardoo, F., Miglietta, M.M. (2019). Meteorological drought analysis using copula theory and drought indicators under climate change scenarios (RCP), Meteorological Application, 27(1): 1-20.
Mirabbasi, R., Fakheri-Fard, A., Dinpashoh, Y. (2012). Bivariate drought frequency analysis using the copulamethod. Theoretical and Applied Climatology, 108: 191–206.
Nash, J.E., and Sutcliffe, J.V., (1970). River flow forecasting through conceptual models. A discussion of principles. Journal of Hydrology, 10: 282–290.
Nelsen, R.B., (2006). An Introduction to Copulas, Springer, New York. 269 pp.
Ramezani, Y., Nazeri Tahroudi, M., Ahmadi, F. (2020). Analyzing the droughts in Iranand its eastern neighboring countries using copula functions. Quarterly Journal of the Hungarian Meteorological Service, 123(4): 435-453.
Reddy, M.J., Ganguli, P. (2013). Spatio-temporal analysis and derivation of copula-based intensity-area-frequencycurves for droughts in western Rajasthan (India). Stochastic Environmental Research and Risk Assessment, 27: 1975–1989.
Salvadori, G., De Michele, C. (2004). Frequency analysis via copulas: theoretical aspects and applications to hydrological events. Water Resources Research, 40:W12511.
Shiau, J.T. (2003). Return period of bivariate distributed hydrological events. Stochastic Environmental Research and Risk Assessment, 17(1–2): 42–57.
Shiau, J.T.)2006(. Fitting drought duration and severity with two-dimensional copulas. Water Resources Management, 20: 795–815.
Shiau, J.T., Modarres R. (2009(. Copula-based drought severity-duration-frequency analysis in Iran. Meteorological Applications, 16: 481–489.
Sklar, A. (1959.) Fonctions de répartition à n dimensions et leurs marges, Publications de l'Institut de Statistique de L'Université de Paris, 8: 229-231.
Suroso, S., Bárdossy, A. (2018). Investigation of asymmetric spatial dependence of precipita using empirical bivariate copulas. Journal of Hydrology, 565: 685- 697.
Tamara Henry, S. (2020). Comparison of drought indices in the Rio Minho Watershed, Jamaica. Journal of Geografia (Londrina) 29(1): 125- 139.
Tingsanchali, T., Piriyawong, T. (2018). Drought Risk Assessment of Irrigation Project Areas in a River Basin. Engineering Journal, 22(1): 280-286.
Vergni, L., Todisco, F., Bruno, D. L., Mannocchi, F. (2019) .Bivariate analysis of drought duration and severity for irrigation planning. Agricultural Water Management, 229: 105926.
Wu, C., Yeh, P. J. F., Chen, Y. Y., Lv, W., Hu, B. X., Huang, G. (2021). Copula-based risk evaluation of global meteorological drought in the 21st century based on CMIP5 multi-model ensemble projections. Journal of Hydrology, 598, 126265.
Zhang, L., Wang, Y., Chen, Y., Bai, Y., Zhang, Q. (2020) Drought risk assessment in Central Asia using a probabilistic copula function approach. Water, 12, 421.
Zhao, P., Lü, H., Fu, G., Zhu, Y., Su, J., & Wang, J. (2017). Uncertainty of hydrological drought characteristics with copula functions and probability distributions: a case study of Weihe River, China. Water, 9(5), 334.