Assessing the Probability of Drought Severity in a Homogeneous Region

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Niaz, RizwanDepartment of Statistics, Quaid-i-Azam University, Islamabad, Pakistan (författare)

Validerad;2022;Nivå 2;2022-02-03 (johcin);Funder: King Khalid University (RGP.2/4/43)
The standardized precipitation index (SPI) is one of the most widely used indices for characterizing and monitoring drought in various regions. SPI's applicability has regional and time-scale constraints when it observes in several homogeneous climatic regions with similar characteristics. It also does not provide sufficient knowledge about precipitation deficits and the spatiotemporal evolution of drought. Therefore, a new method, the regional spatially agglomerative continuous drought probability monitoring system (RSACDPMS), is proposed to obtain spatiotemporal information and monitor drought characteristics more expeditiously. The proposed framework uses spatially agglomerative precipitation (SAP) and copulas’ functions to continuously monitor the drought probability in the homogenous region. The RSACDPMS is validated in the region of the Northern area of Pakistan. The outcomes of the current study provide a better quantitative way to obtain appropriate information about precipitation deficits and the spatiotemporal evolution of drought.

Almazah, Mohammed M. A.Department of Mathematics, College of Sciences and Arts (Muhyil), King Khalid University, Abha 61421, Saudi Arabia; Department of Mathematics and Computer, College of Sciences, Ibb University, Ibb 70270, Tudun Wada, Nigeria (författare)
Hussain, IjazDepartment of Statistics, Quaid-i-Azam University, Islamabad, Pakistan (författare)
Filho, Joao Dehon PontesHydraulic and Environmental Engineering Department (DEHA), Federal University of Ceará, Fortaleza, Ceará 60020-181, Brazil (författare)
Al-Ansari, Nadhir,1947-Luleå tekniska universitet,Geoteknologi(Swepub:ltu)nadhir (författare)
Sammen, Saad ShDepartment of Civil Engineering, College of Engineering, University of Diyala, Diyala Governorate, Baqubah, Iraq (författare)
Department of Statistics, Quaid-i-Azam University, Islamabad, PakistanDepartment of Mathematics, College of Sciences and Arts (Muhyil), King Khalid University, Abha 61421, Saudi Arabia; Department of Mathematics and Computer, College of Sciences, Ibb University, Ibb 70270, Tudun Wada, Nigeria (creator_code:org_t)

Av författaren/redakt...: Niaz, Rizwan; Almazah, Mohamme ...; Hussain, Ijaz; Filho, Joao Deho ...; Al-Ansari, Nadhi ...; Sammen, Saad Sh

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