Academic Journals Database
Disseminating quality controlled scientific knowledge

Incorporation of GIS Based Program into Hydraulic Model for Water Level Modeling on River Basin

Author(s): Ali Haghizadeh | Lee Teang Shui | Majid Mirzaei | Hadi Memarian

Journal: Journal of Water Resource and Protection
ISSN 1945-3094

Volume: 04;
Issue: 01;
Start page: 25;
Date: 2012;
Original page

Keywords: HEC-RAS | HEC-GEORAS | Nash-Sutcliffe | Neka River | Water Level Modeling

Water resources management usually requires that hydraulic, ecological, and hydrological models be linked. The Hy- drologic Engineering Center River Analysis System (HEC-RAS) hydraulic model and the Hydrologic Engineering Center Geospatial River Analysis System (HEC-GEORAS), imitates flow and water profiles in the Neka river basin’s downstream flood plain. Hydrograph phases studied during the flood seasons of 1986-1999 and from 2002-2004 were used to calibrate and verify the hydraulic model respectively. Simulations of peak flood stages and hydrographs’ evaluations are congruent with studies and observations, with the former showing mean square errors between 4.8 - 10 cm. HECRAS calculations and forecast flood water levels. Nash-Sutcliffe effectiveness (CR3) is more than 0.92 along with elevated levels of water which were created with some effectiveness (CR5) of 0.94 for the validation period. The coupled two models show good performance in the water level modeling.
Save time & money - Smart Internet Solutions     

Tango Rapperswil
Tango Rapperswil