Long-term runoff dynamics assessment measured through land use/cover (LULC) changes in a tropical complex catchment

Abdulkareem, JH; Pradhan, B; Sulaiman, WNA; Jamil, NR

Long-term runoff dynamics assessment measured through land use/cover (LULC) changes in a tropical complex catchment

Abdulkareem, JH Pradhan, B

Sulaiman, WNA Jamil, NR

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Publication Type:: Journal Article
Citation:: Environment Systems and Decisions, 2019, 39 (1), pp. 16 - 33
Issue Date:: 2019-03-15

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Field	Value	Language
dc.contributor.author	Abdulkareem, JH	en_US
dc.contributor.author	Pradhan, B https://orcid.org/0000-0001-9863-2054	en_US
dc.contributor.author	Sulaiman, WNA	en_US
dc.contributor.author	Jamil, NR	en_US
dc.date.issued	2019-03-15	en_US
dc.identifier.citation	Environment Systems and Decisions, 2019, 39 (1), pp. 16 - 33	en_US
dc.identifier.issn	2194-5403	en_US
dc.identifier.uri	http://hdl.handle.net/10453/130819
dc.description.abstract	© 2018, Springer Science+Business Media, LLC, part of Springer Nature. The estimation of excess rainfall is critically important in water resource management as it provides the basis for calculating flood peak discharge that results in surface runoff. Kelantan River basin in Malaysia is a tropical catchment receiving heavy monsoon rainfall coupled with intense land use/cover (LULC) changes making the area consistently flood prone. The current study is therefore aimed to achieve the following goals: (1) to develop a curve number (CN) and runoff maps for 1984, 2002, and 2013 LULC conditions and (2) to determine runoff dynamics due to changes in LULC as well as to assess how the extent of LULC change will affect surface runoff generation. To achieve the aforementioned goals, land use maps corresponding to 1984, 2002, and 2014 LULC conditions were analyzed and prepared for the calculation of CN values using Soil Conservation Service (SCS-CN) method. CN and runoff maps corresponding to 1984, 2002, and 2013 LULC changes were successfully developed and the performance of the method was tested. The results indicated that forest was found to be the major land use type to have changed in all the LULC conditions across the watershed leading to intense runoff dynamics in the entire watershed. Higher runoff values were observed under 2013 LULC conditions across the watershed mainly due to intense deforestation relative to those of 1984 and 2002. The results of this study indicated that runoff generation is significantly affected by deforestation instead of changes in the rainfall pattern. The findings may be useful to water resource planners in controlling water loss for future planning.	en_US
dc.relation.ispartof	Environment Systems and Decisions	en_US
dc.relation.isbasedon	10.1007/s10669-018-9696-3	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Long-term runoff dynamics assessment measured through land use/cover (LULC) changes in a tropical complex catchment	en_US
dc.type	Journal Article
utslib.citation.volume	1	en_US
utslib.citation.volume	39	en_US
utslib.for	0909 Geomatic Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Information, Systems and Modelling
pubs.organisational-group	/University of Technology Sydney/Strength - CAMGIS - Centre for Advanced Modelling and Geospatial lnformation Systems
utslib.copyright.status	closed_access	*
pubs.issue	1	en_US
pubs.publication-status	Published	en_US
pubs.volume	39	en_US

Abstract:

© 2018, Springer Science+Business Media, LLC, part of Springer Nature. The estimation of excess rainfall is critically important in water resource management as it provides the basis for calculating flood peak discharge that results in surface runoff. Kelantan River basin in Malaysia is a tropical catchment receiving heavy monsoon rainfall coupled with intense land use/cover (LULC) changes making the area consistently flood prone. The current study is therefore aimed to achieve the following goals: (1) to develop a curve number (CN) and runoff maps for 1984, 2002, and 2013 LULC conditions and (2) to determine runoff dynamics due to changes in LULC as well as to assess how the extent of LULC change will affect surface runoff generation. To achieve the aforementioned goals, land use maps corresponding to 1984, 2002, and 2014 LULC conditions were analyzed and prepared for the calculation of CN values using Soil Conservation Service (SCS-CN) method. CN and runoff maps corresponding to 1984, 2002, and 2013 LULC changes were successfully developed and the performance of the method was tested. The results indicated that forest was found to be the major land use type to have changed in all the LULC conditions across the watershed leading to intense runoff dynamics in the entire watershed. Higher runoff values were observed under 2013 LULC conditions across the watershed mainly due to intense deforestation relative to those of 1984 and 2002. The results of this study indicated that runoff generation is significantly affected by deforestation instead of changes in the rainfall pattern. The findings may be useful to water resource planners in controlling water loss for future planning.

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http://hdl.handle.net/10453/130819