Assesment of the Intensity Duration Frequency Curves for Storms in Upper Cauvery Karnataka Based on Pearson Type III Extreme Value

Mohammed Badiuddin Parvez¹ , M Inayathulla²

Section:Research Paper, Product Type: Journal-Paper
Vol.6 , Issue.1 , pp.26-46, Oct-2019

Online published on Oct 31, 2019

Copyright © Mohammed Badiuddin Parvez, M Inayathulla . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
Engineering infrastructures such as storm water drains and bridges are commonly designed using the concept of Intensity-Duration-Frequency (IDF) curves, which assume that the occurrence of precipitation patterns and distributions are spatially similar within the drainage area and remain unchanged throughout the lifespan of the infrastructures (stationary). Based on the premise that climate change will alter the spatial and temporal variability of precipitation patterns, inaccuracy in the estimation of IDF curves may occur. As such, prior to developing IDF curves, it is crucial to analyse trends of annual precipitation maxima. The objective of this study was to estimate the precipitation intensities and their uncertainties (lower and upper limits) for durations of 5min, 10min, 15min, 30min, 60min,120min, 720min and 1440min and return periods of 2, 5, 10, 25, 50, 75 and 100 years in the Upper Cauvery Karnataka India using Pearson type III Values . The annual precipitation maxima were extracted from long-term (1995–2017) precipitation data for Forty Three meteorological stations sourced from the Water resources Development Organization Karnataka. On average, the estimated extreme precipitation intensities for the Study area ranged from 5.1 mm/h for 24 h storm duration to 226.01 mm/h for 5min at 100 years return period. At 50 year return period, the intensity ranged from 5.2 mm/h for 24h duration to 225 mm/h for the duration of 5min

Key-Words / Index Term :
Climate change, Intensity Duration Frequency (IDF), Pearson Type III Distribution, Rainfall Duration

References :
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[5]. M. M. Rashid, 1 S. B. Faruque and 2 J. B. Alam 2012, “Modeling of Short Duration Rainfall Intensity Duration Frequency (SDRIDF) Equation for Sylhet City in Bangladesh.
[6]. Mohammed Badiuddin Parvez, M Inayathulla “Generation Of Intensity Duration Frequency Curves For Different Return Period Using Short Duration Rainfall For Manvi Taluk Raichur District Karnataka”, International Research Journal of Engineering and Management Studies (IRJEMS), Volume: 03 Issue: 04 | April -2019.
[7]. Mohammed Badiuddin Parvez, M Inayathulla “Prioritization Of Subwatersheds of Cauvery Region Based on Morphometric Analysis Using GIS”, International Journal for Research in Engineering Application & Management (IJREAM), Volume: 05 Issue: 01, April -2019. 4.
[8]. Mohammed Badiuddin Parvez, M Inayathulla “Modelling of Short Duration Isopluvial Map For Raichur District Karnataka”, International Journal for Science and Advance Research in Technology (IJSART), Volume: 05 Issue: 4, April -2019.
[9]. Mohammed Badiuddin Parvez, M Inayathulla, "Rainfall Analysis for Modelling of IDF Curves for Bangalore Rural, Karnataka", International Journal of Scientific Research in Multidisciplinary Studies , Vol.5, Issue.8, pp.114-132, 2019
[10]. Mohammed Badiuddin Parvez, and M Inayathulla. "Generation of Short Duration Isohyetal Maps For Raichur District Karnataka" International Journal Of Advance Research And Innovative Ideas In Education Volume 5 Issue 2 2019 Page 3234-3242
[11]. Mohammed Badiuddin Parvez, and M Inayathulla. " Derivation Of Intensity Duration Frequency Curves Using Short Duration Rainfall For Yermarus Raingauge Station Raichur District Karnataka" International Journal of Innovative Research in Technology Volume 6 Issue 2 July 2019 Page 1-7
[12]. Mohammed Badiuddin Parvez, Chalapathi K and M Inayathulla. " Geomorphological Analysis of Two Mini-Watersheds in Raichur City Karnataka" International Research Journal of Engineering and Technology (IRJET) Volume 6 Issue 6 June 2019 Page 2896-2901