Interdependence between the Water Levels of Kotte Canal and Kelani River using Copulas | Zendy

K. Perera | Zendy; P. L. N. S. Sumathipala | Zendy; P. N. Wikramanayake | Zendy

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Interdependence between the Water Levels of Kotte Canal and Kelani River using Copulas

Author(s) -

K. Perera,

P. L. N. S. Sumathipala,

P. N. Wikramanayake

Publication year - 2015

Publication title -

sri lankan journal of applied statistics

Language(s) - English

Resource type - Journals

ISSN - 2424-6271

DOI - 10.4038/sljastats.v16i2.7828

Subject(s) - scope (computer science) , publication , open access journal , natural science , statistics , library science , scopus , sociology , social science , geography , political science , mathematics , computer science , medline , law , programming language , physics , astronomy

The interdependence of water levels of the Colombo canal system and the Kelani River is important for flood management in the city of Colombo. This study aims at deriving the interdependence between the water levels of the Kotte canal and the Kelani River using the Copula method. The advantage of the Copula method is that it is not necessary to assume that the water levels are independent or normally distributed or have the same of marginal distribution. Since there was a dependency between the two water levels (Kendall’s rank correlation (τ) p-value Sri Lankan Journal of Applied Statistics 2015;16(2): 135-146

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