Real-Time Flood Forecasting using an Integrated Hydrologic and Hydraulic Model for the Vamsadhara and Nagavali basins, Eastern India

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dc.contributor.authorRao, G. Venkataen
dc.contributor.authorNagireddy, Nageswara Reddyen
dc.contributor.authorKeesara, Venkata Reddyen
dc.contributor.authorSridhar, Venkataramanaen
dc.contributor.authorSrinivasan, Raghavanen
dc.contributor.authorUmamahesh, N. V.en
dc.contributor.authorPratap, Devaen
dc.date.accessioned2025-01-21T14:56:17Zen
dc.date.available2025-01-21T14:56:17Zen
dc.date.issued2024-02-23en
dc.description.abstractDue to recent rainfall extremes and tropical cyclones that form over the Bay of Bengal during the pre- and post-monsoon seasons, the Nagavali and Vamsadhara basins in India experience frequent floods, causing significant loss of human life and damage to agricultural lands and infrastructure. This study provides an integrated hydrologic and hydraulic modeling system that is based on the Soil and Water Assessment Tool model and the 2-Dimensional Hydrological Engineering Centre-River Analysis System, which simulates floods using Global Forecasting System rainfall forecasts with a 48-h lead time. The integrated model was used to simulate the streamflow, flood area extent, and depth for the historical flood events (i.e., 1991–2018) with peak discharges of 1200 m3/s in the Nagavali basin and 1360 m3/s in the Vamsadhara basin. The integrated model predicted flood inundation depths that were in good agreement with observed inundation depths provided by the Central Water Commission. The inundation maps generated by the integrated modeling system with a 48-h lead time for tropical cyclone Titli demonstrated an accuracy of more than 75%. The insights gained from this study will help the public and government agencies make better decisions and deal with floods.en
dc.description.notesYes, abstract only (Peer reviewed?)en
dc.description.versionPublished versionen
dc.format.extentPages 6011-6039en
dc.format.extent29 page(s)en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1007/s11069-023-06366-3en
dc.identifier.eissn1573-0840en
dc.identifier.issn0921-030Xen
dc.identifier.issue7en
dc.identifier.orcidSridhar, Venkataramana [0000-0002-1003-2247]en
dc.identifier.urihttps://hdl.handle.net/10919/124271en
dc.identifier.volume120en
dc.languageEnglishen
dc.language.isoenen
dc.publisherSpringeren
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectFloodsen
dc.subjectFlood inundation area and depthen
dc.subjectLead timeen
dc.subjectSWATen
dc.subjectHEC-RASen
dc.subjectGFSen
dc.subjectIntegrated modelen
dc.titleReal-Time Flood Forecasting using an Integrated Hydrologic and Hydraulic Model for the Vamsadhara and Nagavali basins, Eastern Indiaen
dc.title.serialNatural Hazardsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherArticleen
dc.type.otherJournalen
pubs.finish-date2021-12-17en
pubs.organisational-groupVirginia Techen
pubs.organisational-groupVirginia Tech/Agriculture & Life Sciencesen
pubs.organisational-groupVirginia Tech/Agriculture & Life Sciences/Biological Systems Engineeringen
pubs.organisational-groupVirginia Tech/All T&R Facultyen
pubs.organisational-groupVirginia Tech/Agriculture & Life Sciences/CALS T&R Facultyen
pubs.start-date2021-12-13en

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