Development of A Web based GIS Solution for Flood Inundation Mapping and Assessment in Lahore, Pakistan

Mehreen Akhtar ()
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Mehreen Akhtar: College of earth and environmental sciences,University of the Punjab, Lahore, Pakistan

International Journal of Innovations in Science & Technology, 2023, vol. 5, issue 3, 298-307

Abstract: IntroductionGeographic information system (GIS) is a strong tool in flood hazard mapping, mitigation, and management. GIS-based approachesprovide the wayforwardto measure the flood inundation. Integration of web technologies with GIS (Web-GIS) isquite significant to accomplish the aim. MethodologyIn this research,HEC-RAS 1D was used to map the flooded areasaround River Ravi at Lahore. The output of HEC-RAS with Web-GIS stack were used to build the interactive flood measuring tool. The Web-GIS stack used for this study was based on Geo Server, PHP, HTML, CSS, and JavaScript. Geo Server provides the OGC implemented standards with vendor specific capabilities like WMS Animator toanimate the flood inundation on the User-Interface (UI) and extent animation to make visual interpretations. CQL filter is vendor specific capability in Geo Server used to measure the flood inundation. ResultsThe outcomesof HEC-RAS are handyenough to measure, mapand present thedamagesnot only to analyst but also to thelayman. The working and animated layers are shown in result section of this research. ConclusionThis web-based flood inundation is robust, user-friendly, and expandable for more features, scenarios, and conditions. This research concludes that visual and web-based data is handy to understandfor common person/intellectuals.

Keywords: Geo Server WMS Animator; PostgreSQL; Geo Server; JavaScript; HEC-RAS; Flood inundation; web GIS; mapping; Remote sensing (search for similar items in EconPapers)
Date: 2023
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