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Routing Procedure for Ungaged Channels
Publisher: American Society of Civil Engineers
Abstract: A hydraulic streamflow routing method was developed using the continuity equation and the control volume form of the energy equation. The required input data consists of a geometric description of the cross‐section, Manning ...
Dilution of a Dense Vertical Jet
Publisher: American Society of Civil Engineers
Abstract: Large volumes of brine are being discharged into the Gulf of Mexico where cavities are being mined in salt domes for the storage of crude oil along the Gulf Coast. A model study of a dense, vertical jet in a stagnant ...
Predicting Sediment Yield in Storm‐Water Runoff from Urban Areas
Publisher: American Society of Civil Engineers
Abstract: A mathematical model is presented for the purpose of representing the washoff of sediments from small urban watersheds during storm events. The model simulates the contribution of sediments from each of the different land ...
Analysis of Alternatives for Computing Backwater at Bridges
Publisher: American Society of Civil Engineers
Abstract: The performance and reliability of four of the more popular methods for one-dimensional flow analysis of bridges were investigated. These four methods were the HEC-2 Normal Bridge Method, HEC-2 Special Bridge Method, WSPRO, ...
Urban Runoff Simulation Model
Publisher: American Society of Civil Engineers
Abstract: A study to determine the sensitivity of the unit hydrograph to the effects of the urbanization process was conducted. The overland flow parameter that defines the degree of urbanization in an urban watershed is the percentage ...
Closure to “<i>Synthetic Unit Hydrograph</i>” by Wesley P. James, Phillip W. Winsor, and Jimmy R. Williams (January, 1987, Vol. 113, No. 1)
Publisher: American Society of Civil Engineers
Size and Location of Detention Storage
Publisher: American Society of Civil Engineers
Abstract: Basinwide planning, including channel improvements, is essential to prevent misapplication of detention storage. The concept of reducing the peak outflow from an on‐site detention pond to the predevelopment peak discharge ...
Synthetic Unit Hydrograph
Publisher: American Society of Civil Engineers
Abstract: Equations are developed for computing the unit hydrograph for ungaged watersheds. The two‐parameter gamma function unit hydrograph from the HYMO hydrologic model is used in the study and equations for estimating the time ...
Radar‐Assisted Real‐Time Flood Forecasting
Publisher: American Society of Civil Engineers
Abstract: A hydrometerological study of the Yockanookany watershed in Mississippi was conducted to demonstrate the use of National Weather Service (NWS) radar and rain gage data for flood forecasting. Weather radar scenes were ...
Hydrologic Parameter Estimation Using Geographic Information System
Publisher: American Society of Civil Engineers
Abstract: The use of geographic information systems (GIS) can make the task of compiling necessary spatial data and the required hydrologic parameters for modeling watershed runoff relatively easy. Furthermore, recent advances in ...