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2d Unsteady Routing And Flood Inundation Mapping For Lower Region Of Brazos River Watershed, Manahari Bhandari, Narayan Nyaupane, Shekhar Raj Mote, Ajay Kalra, Sajjad Ahmad
2d Unsteady Routing And Flood Inundation Mapping For Lower Region Of Brazos River Watershed, Manahari Bhandari, Narayan Nyaupane, Shekhar Raj Mote, Ajay Kalra, Sajjad Ahmad
Civil and Environmental Engineering and Construction Faculty Research
Present study uses two dimensional flow routing capabilities of hydrologic engineering center's river analysis system (HEC-RAS) for flood inundation mapping in lower region of Brazo River watershed subjected to frequent flooding. For analysis, river reach length of 20 km located at Richmond, Texas, was considered. Detailed underlying terrain information available from digital elevation model of 1/9-arc second resolution was used to generate the two-dimensional (2D) flow area and flow geometrics. Streamflow data available from gauging station USGS08114000 was used for the full unsteady flow hydraulic modeling along the reach. Developed hydraulic model was then calibrated based on the manning's roughness …
Coupling Hec-Ras And Hec-Hms In Precipitation Runoff Modelling And Evaluating Flood Plain Inundation Map, Balbhadra Thakur, Ranjan Parajuli, Ajay Kalra, Sajjad Ahmad, Ritu Gupta
Coupling Hec-Ras And Hec-Hms In Precipitation Runoff Modelling And Evaluating Flood Plain Inundation Map, Balbhadra Thakur, Ranjan Parajuli, Ajay Kalra, Sajjad Ahmad, Ritu Gupta
Civil and Environmental Engineering and Construction Faculty Research
The climate change and land use change have raised the challenges associated with increased runoff and flood management. The risks associated with flooding have been increasing with development in flood plain and changing climate resulting in increase in inundation of flood plain. The current study will help to evaluate the extent of flood plain in the study area – copper slough watershed (CSW) in Champaign, Illinois; utilizing the known precipitation and land use. The study of CSW is taken into account, as this is the largest watershed of Champaign City and had undergone major land use change increasing the flooding …