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The influence of rain intensity on raindrop diameter and the kinetics of tropical rainfall: case study of Skudai, Malaysia

The modelling of soil loss and investigation of urban hydrology and wet weather pollution in Malaysia requires the definition of rainfall parameters for the region. In this study, an inexpensive method was applied to establish the influence of raindrop diameter on kinetics and rain intensity in Skud...

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Main Authors: Yakubu, Mahadi Lawan, Yusop, Zulkifl, Fulazzaky, Mohamad Ali
Format: Article
Published: Taylor and Francis Ltd. 2016
Subjects:
TP Chemical technology
Online Access:http://eprints.utm.my/id/eprint/72640/
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84958529155&doi=10.1080%2f02626667.2014.934251&partnerID=40&md5=a6b058956fcf9f8c3fad7fb6851cdbe6
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spelling my.utm.726402017-11-22T12:07:41Z http://eprints.utm.my/id/eprint/72640/ The influence of rain intensity on raindrop diameter and the kinetics of tropical rainfall: case study of Skudai, Malaysia Yakubu, Mahadi Lawan Yusop, Zulkifl Fulazzaky, Mohamad Ali TP Chemical technology The modelling of soil loss and investigation of urban hydrology and wet weather pollution in Malaysia requires the definition of rainfall parameters for the region. In this study, an inexpensive method was applied to establish the influence of raindrop diameter on kinetics and rain intensity in Skudai, Peninsular Malaysia, as a prelude to wider regional research. Raindrop sizes vary from less than 1.2 mm to as big as 7.0 mm, with median raindrop diameters of 2.51 mm and a mean diameter of 2.56 mm. The median raindrop diameter–intensity relationship correlates strongly using power and exponential equations, with coefficients of determination of 0.75 and 0.73, respectively. The kinetic energy–intensity relationship fits an exponential function and also a linear equation with R2 values of 0.49 and 0.34, respectively. An average rain kinetic energy of 30 J m-2 mm-1 was recorded. This research leads to an objective reclassification of rainfall intensities in the region. Editor Z.W. Kundzewicz; Associate editor not assigned  Taylor and Francis Ltd. 2016 Article PeerReviewed Yakubu, Mahadi Lawan and Yusop, Zulkifl and Fulazzaky, Mohamad Ali (2016) The influence of rain intensity on raindrop diameter and the kinetics of tropical rainfall: case study of Skudai, Malaysia. Hydrological Sciences Journal, 61 (5). pp. 944-951. ISSN 0262-6667 https://www.scopus.com/inward/record.uri?eid=2-s2.0-84958529155&doi=10.1080%2f02626667.2014.934251&partnerID=40&md5=a6b058956fcf9f8c3fad7fb6851cdbe6
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TP Chemical technology
spellingShingle TP Chemical technology
Yakubu, Mahadi Lawan
Yusop, Zulkifl
Fulazzaky, Mohamad Ali
The influence of rain intensity on raindrop diameter and the kinetics of tropical rainfall: case study of Skudai, Malaysia
description The modelling of soil loss and investigation of urban hydrology and wet weather pollution in Malaysia requires the definition of rainfall parameters for the region. In this study, an inexpensive method was applied to establish the influence of raindrop diameter on kinetics and rain intensity in Skudai, Peninsular Malaysia, as a prelude to wider regional research. Raindrop sizes vary from less than 1.2 mm to as big as 7.0 mm, with median raindrop diameters of 2.51 mm and a mean diameter of 2.56 mm. The median raindrop diameter–intensity relationship correlates strongly using power and exponential equations, with coefficients of determination of 0.75 and 0.73, respectively. The kinetic energy–intensity relationship fits an exponential function and also a linear equation with R2 values of 0.49 and 0.34, respectively. An average rain kinetic energy of 30 J m-2 mm-1 was recorded. This research leads to an objective reclassification of rainfall intensities in the region. Editor Z.W. Kundzewicz; Associate editor not assigned Â
format Article
author Yakubu, Mahadi Lawan
Yusop, Zulkifl
Fulazzaky, Mohamad Ali
author_facet Yakubu, Mahadi Lawan
Yusop, Zulkifl
Fulazzaky, Mohamad Ali
author_sort Yakubu, Mahadi Lawan
title The influence of rain intensity on raindrop diameter and the kinetics of tropical rainfall: case study of Skudai, Malaysia
title_short The influence of rain intensity on raindrop diameter and the kinetics of tropical rainfall: case study of Skudai, Malaysia
title_full The influence of rain intensity on raindrop diameter and the kinetics of tropical rainfall: case study of Skudai, Malaysia
title_fullStr The influence of rain intensity on raindrop diameter and the kinetics of tropical rainfall: case study of Skudai, Malaysia
title_full_unstemmed The influence of rain intensity on raindrop diameter and the kinetics of tropical rainfall: case study of Skudai, Malaysia
title_sort influence of rain intensity on raindrop diameter and the kinetics of tropical rainfall: case study of skudai, malaysia
publisher Taylor and Francis Ltd.
publishDate 2016
url http://eprints.utm.my/id/eprint/72640/
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84958529155&doi=10.1080%2f02626667.2014.934251&partnerID=40&md5=a6b058956fcf9f8c3fad7fb6851cdbe6
_version_ 1643656486452199424
score 13.211869

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