Hydrodynamic flow modeling and effect of roughness on river stage forecasting

• Autorzy: Kambekar Ajaykumar Ramdas , Patil Shweta A.

Identyfikatory

DOI

10.26491/mhwm/140234

• Języki publikacji: EN

Abstrakty

EN

In recent times, undesirable climatic conditions have been attributed to climate change. The intensity of rainfall has amplified extremely, causing floods in many areas worldwide. It is desirable to regulate and minimize the consequences of floods and excess downpour. Using geospatial data for the development of hydraulic models and mapping of simulation results has become standard practice for floodplain assessment. The objective of the current investigation is to use one-dimensional floodplain modeling of the Bhima River between Lonikand and Rahu using the RAS-mapper tool (HEC-RAS). The modeled river reach is about 67 km long, near the Pune administrative division of Maharashtra, India. The hydrodynamic flow computations were carried out for the years 2005 and 2017. A total of 595 cross sections along the main river was employed for hydrodynamic flow simulations. In this study, cross-sections and past observed flood data have been used to develop a 1-D integrated hydraulic model of the Bhima River. The simulated water levels are also validated with observed water levels and found to be reasonably correlated.

Słowa kluczowe

EN

flood modeling; channel roughness; HEC-RAS hydrodynamic modeling

• Wydawca: Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy
• Czasopismo: Meteorology Hydrology and Water Management. Research and Operational Applications
• Rocznik: 2021
• Tom: Vol. 9, Iss. 1-2
• Strony: 1--10
• Opis fizyczny: Bibliogr. 14 poz., rys., tab.

Twórcy

autor

Kambekar Ajaykumar Ramdas

• Sardar Patel College of Engineering Mumbai

autor

Patil Shweta A.

• Sardar Patel College of Engineering Mumbai

Bibliografia

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• US Army Corps of Engineers, 2016, Hydrologic Engineering Requirements for Reservoirs, EM 1110-2-1420, available online at https://www.publications.usace.army.mil/Portals/76/Users/182/86/2486/EM_1110-2-1420.pdf?ver=CjRXa4pEi5SXva0UuneAZQ%3d%3d (data access 16.07.2021).
• Vozinaki A.-E.K., Morianou G.G., Alexakis D.D., Tsanis I.K., 2016, Comparing 1D and combined 1D/2D hydraulic simulations using high resolution topographic data a case study of the Koiliaris basin, Greece, Hydrological Sciences Journal, 62 (4), 642- 646, DOI: 10.1080/02626667.2016.1255746.
• Yang J., Townsend R.D., Daneshfar B., 2006, Applying the HEC-RAS model and GIS techniques in floodplain delineation, Canadian Journal of Civil Engineering, 33, 19-28, DOI: 10.1139/l05-102.
• Yerramilli S., 2012, A hybrid approach of integrating HEC-RAS and GIS towards the identification and assessment of flood risk vulnerability in the city of Jackson, MS, American Journal of Geographic Information System, 1 (1), 7-16, DOI: 10.5923/j.ajgis.20120101.02.

Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).