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Development of Climate-Based Index for Hydrologic Hazard Susceptibility

1
Faculty of Engineering and Technology, Arab Academy for Science, Technology and Maritime Transport (AASTMT), Cairo, 2033 Elhorria, Egypt
2
Faculty of Civil Engineering, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Malaysia
3
Faculty of Civil Engineering, Seoul National University of Science and Technology, 232 Gongneung-ro, Nowon-gu, Seoul 01811, Korea
4
Faculty of Water Resources Management, Lasbela University of Agriculture, Water and Marine Sciences, Uthal, Balochistan 90150, Pakistan
*
Author to whom correspondence should be addressed.
Sustainability 2018, 10(7), 2182; https://doi.org/10.3390/su10072182
Received: 27 March 2018 / Revised: 6 June 2018 / Accepted: 21 June 2018 / Published: 26 June 2018
(This article belongs to the Special Issue Impacts of Climate Change on Hydrology, Water Quality and Ecology)
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Abstract

An index has been developed for the assessment of geographical distribution of susceptibility to hydrological hazards using easily available climate data. Catastrophe fuzzy theory and data clustering methods were used to avoid subjectivity in the estimation of the index of multiple climate indicators. The proposed index was used for the estimation of geographical distribution of hydrological hazard susceptibility index (HHSI) in Peninsular Malaysia using gauge-based, gridded rainfall and temperature data for the period 1948–2010. The results showed that the northeast regions of Peninsular Malaysia are more susceptible to hydrological hazard, which matches very well with the general conception of the hydrological hazard susceptible zones. Assessment of susceptibility for sliding different 30-year periods between 1950 and 2010 revealed that HHSI has increased in the south and decreased in the northeast of the peninsula. The decrease in temporal and spatial variability of rainfall in the northeast and the increase in other parts can become the causes of spatial changes in hazard susceptibility. The changes of HHSI in recent years compared to the base period revealed the increase of hazard susceptibility in the south in the range of 8.81% to 21.01%, while a significant decrease (>−31.84%) was observed in the northeast. View Full-Text
Keywords: hydrological hazard susceptibility index (HHSI), Hydrological hazards; Fuzzy catastrophe theory; rainfall variability; aridity hydrological hazard susceptibility index (HHSI), Hydrological hazards; Fuzzy catastrophe theory; rainfall variability; aridity
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Nashwan, M.S.; Shahid, S.; Chung, E.-S.; Ahmed, K.; Song, Y.H. Development of Climate-Based Index for Hydrologic Hazard Susceptibility. Sustainability 2018, 10, 2182.

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