Flood susceptibility mapping using integrated bivariate and multivariate statistical models

Flooding can have catastrophic effects on human lives and livelihoods and thus comprehensive flood management is needed. Such management requires information on the hydrologic, geotechnical, environmental, social, and economic aspects of flooding. The number of flood events that took place in Busan,...

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Main Authors:	Tehrany, Mahyat Shafapour, Lee, Moung Jin, Pradhan, Biswajeet, Jebur, Mustafa Neamah, Lee, Saro
Format:	Article
Language:	English
Published:	Springer 2014
Online Access:	http://psasir.upm.edu.my/id/eprint/37686/ http://psasir.upm.edu.my/id/eprint/37686/ http://psasir.upm.edu.my/id/eprint/37686/ http://psasir.upm.edu.my/id/eprint/37686/1/Flood%20susceptibility%20mapping%20using%20integrated%20bivariate%20and%20multivariate%20statistical%20models.pdf

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recordtype	eprints
spelling	upm-376862015-12-18T02:17:11Z http://psasir.upm.edu.my/id/eprint/37686/ Flood susceptibility mapping using integrated bivariate and multivariate statistical models Tehrany, Mahyat Shafapour Lee, Moung Jin Pradhan, Biswajeet Jebur, Mustafa Neamah Lee, Saro Flooding can have catastrophic effects on human lives and livelihoods and thus comprehensive flood management is needed. Such management requires information on the hydrologic, geotechnical, environmental, social, and economic aspects of flooding. The number of flood events that took place in Busan, South Korea, in 2009 exceeded the normal situation for that city. Mapping the susceptible areas helps us to understand flood trends and can aid in appropriate planning and flood prevention. In this study, a combination of bivariate probability analysis and multivariate logistic regression was used to produce flood susceptibility maps of Busan City. The main aim of this research was to overcome the weakness of logistic regression regarding bivariate probability capabilities. A flood inventory map with a total of 160 flood locations was extracted from various sources. Then, the flood inventory was randomly split into a testing dataset 70 % for training the models and the remaining 30 %, which was used for validation. Independent variables datasets included the rainfall, digital elevation model, slope, curvature, geology, green farmland, rivers, slope, soil drainage, soil effect, soil texture, stream power index, timber age, timber density, timber diameter, and timber type. The impact of each independent variable on flooding was evaluated by analyzing each independent variable with the dependent flood layer. The validation dataset, which was not used for model generation, was used to evaluate the flood susceptibility map using the prediction rate method. The results of the accuracy assessment showed a success rate of 92.7 % and a prediction rate of 82.3 %. Springer 2014 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/37686/1/Flood%20susceptibility%20mapping%20using%20integrated%20bivariate%20and%20multivariate%20statistical%20models.pdf Tehrany, Mahyat Shafapour and Lee, Moung Jin and Pradhan, Biswajeet and Jebur, Mustafa Neamah and Lee, Saro (2014) Flood susceptibility mapping using integrated bivariate and multivariate statistical models. Environmental Earth Sciences, 72 (10). pp. 4001-4015. ISSN 1866-6280; ESSN: 1866-6299 http://link.springer.com/article/10.1007%2Fs12665-014-3289-3 10.1007/s12665-014-3289-3
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Putra Malaysia
building	UPM Institutional Repository
collection	Online Access
language	English
description	Flooding can have catastrophic effects on human lives and livelihoods and thus comprehensive flood management is needed. Such management requires information on the hydrologic, geotechnical, environmental, social, and economic aspects of flooding. The number of flood events that took place in Busan, South Korea, in 2009 exceeded the normal situation for that city. Mapping the susceptible areas helps us to understand flood trends and can aid in appropriate planning and flood prevention. In this study, a combination of bivariate probability analysis and multivariate logistic regression was used to produce flood susceptibility maps of Busan City. The main aim of this research was to overcome the weakness of logistic regression regarding bivariate probability capabilities. A flood inventory map with a total of 160 flood locations was extracted from various sources. Then, the flood inventory was randomly split into a testing dataset 70 % for training the models and the remaining 30 %, which was used for validation. Independent variables datasets included the rainfall, digital elevation model, slope, curvature, geology, green farmland, rivers, slope, soil drainage, soil effect, soil texture, stream power index, timber age, timber density, timber diameter, and timber type. The impact of each independent variable on flooding was evaluated by analyzing each independent variable with the dependent flood layer. The validation dataset, which was not used for model generation, was used to evaluate the flood susceptibility map using the prediction rate method. The results of the accuracy assessment showed a success rate of 92.7 % and a prediction rate of 82.3 %.
format	Article
author	Tehrany, Mahyat Shafapour Lee, Moung Jin Pradhan, Biswajeet Jebur, Mustafa Neamah Lee, Saro
spellingShingle	Tehrany, Mahyat Shafapour Lee, Moung Jin Pradhan, Biswajeet Jebur, Mustafa Neamah Lee, Saro Flood susceptibility mapping using integrated bivariate and multivariate statistical models
author_facet	Tehrany, Mahyat Shafapour Lee, Moung Jin Pradhan, Biswajeet Jebur, Mustafa Neamah Lee, Saro
author_sort	Tehrany, Mahyat Shafapour
title	Flood susceptibility mapping using integrated bivariate and multivariate statistical models
title_short	Flood susceptibility mapping using integrated bivariate and multivariate statistical models
title_full	Flood susceptibility mapping using integrated bivariate and multivariate statistical models
title_fullStr	Flood susceptibility mapping using integrated bivariate and multivariate statistical models
title_full_unstemmed	Flood susceptibility mapping using integrated bivariate and multivariate statistical models
title_sort	flood susceptibility mapping using integrated bivariate and multivariate statistical models
publisher	Springer
publishDate	2014
url	http://psasir.upm.edu.my/id/eprint/37686/ http://psasir.upm.edu.my/id/eprint/37686/ http://psasir.upm.edu.my/id/eprint/37686/ http://psasir.upm.edu.my/id/eprint/37686/1/Flood%20susceptibility%20mapping%20using%20integrated%20bivariate%20and%20multivariate%20statistical%20models.pdf
first_indexed	2018-09-07T16:40:11Z
last_indexed	2018-09-07T16:40:11Z
_version_	1610967586013446144

Flood susceptibility mapping using integrated bivariate and multivariate statistical models

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