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Abstract
Floodplain corridors contain ∼21% of the total land area of West Bengal and hold alignment of ∼44% road and ∼26% railway networks of the state. Therefore, understanding of potential interactions between transport infrastructure and river systems is essential for river basin management in general and understanding the longitudinal and lateral (dis)connectivity across the twenty catchments of WB in particular. Freely available GIS data has been used for future river and floodplain management and policy making using multiple spatial analytical tools. The study finds ∼21% of the floodplain area is laterally disconnected from rivers, which could be raised by 260% after considering riverside artificial embankment. About 40% of state’s land area comes within one kilometre proximal distance between river and transport networks and ∼13% of transport networks are at risk of waterlogged during a flood. This study has recommended a river friendly comprehensive plan for transport network development in the future.
Acknowledgement
Author would like to thanks Professor Lulla (Editor, Geocarto International) and anonymous reviewers considering for publication, and also Geological Society of India for the Web-GIS portal ‘bhukosh.gsi.gov.in/Bhukosh/Public’, and Dr Ratan Priya for polishing the write up.
Author declaration
I wish to confirm that there are no known conflicts of interest associated with this publication and there has been no significant financial support for this work that could have influenced its outcome.
Disclosure statement
No potential conflict of interest was reported by the author(s).