The Quantiles Estimation in the Monsoon Season of the Seven Unguaged Sites of Punjab Pakistan with Regional Rainfall Frequency Analysis

AISHA, EJAZ and UZMA, NAWAZ and TOOBA, NIHAL (2018) The Quantiles Estimation in the Monsoon Season of the Seven Unguaged Sites of Punjab Pakistan with Regional Rainfall Frequency Analysis. In: Sixth International Conference on Advances in Social, Economics and Management - SEM 2018, 28-29 April, 2018, Zurich, Switzerland.

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Abstract

Pakistan is located between latitude 25o and 36o with strong spells of monsoon rains showering from June to September with somewhat variation in showers according to location. Heavy rains in monsoon season make dams, rivers and lakes overflow causing destructive floods. The scenario provoked the study on the estimation of regional rainfall quantiles of Annual Maximum Monsoon Rainfall Totals (AMMRT) of the seven unguaged sites of the Punjab province in Pakistan [1]. The estimates are obtained from L-moment based Regional Rainfall Frequency Analysis (RRFA) [2]. The monsoon data series of the seven sites of northern Punjab were found random and identically distributed with no serial correlation. These results were the output of the run test, lag-1 correlation and Mann-Whitney U test. The L-moment based discordancy measure exposed no site discordant in the group of seven. The heterogeneity measure concluded a homogenous region of the seven sites. The L-moment Ratio diagrams exposed the Generalized Normal as the best choice of the regional distribution for the quantile estimation. The estimates of the study may be used for the estimation of the rainfall quantiles of the seven sites for different return periods. The estimates will be provocative to design future preventive measures for the harmful impact of hydro meteorological events at these sites in Punjab Pakistan [3].

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: L- moments, Regional Rainfall Frequency Analysis, Discordancy Measures, Heterogeneity Measure
Depositing User: Mr. John Steve
Date Deposited: 08 Mar 2019 14:51
Last Modified: 08 Mar 2019 14:51
URI: http://publications.theired.org/id/eprint/156

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