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Use Of A Two Dimensional Flow Model To Quantify Aquatic Habitat
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Book Synopsis Use of a Two-dimensional Flow Model to Quantify Aquatic Habitat by : D. Michael Gee
Download or read book Use of a Two-dimensional Flow Model to Quantify Aquatic Habitat written by D. Michael Gee and published by . This book was released on 1985 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper describes the impacts of potential hydropower retrofits on downstream flow distributions at Lock and Dam No. 8 on the upper Mississippi River. The model used solves the complete Reynolds equations for two-dimensional free-surface flow in the horizontal plane using a finite element solution scheme. RMA-2 has been in continuing use and development at the Hydrologic Engineering Center and elsewhere for the past decade. Although designed primarily for the simulation of hydraulic conditions, RMA-2 may be used in conjunction with related numerical models to simulate sediment transport and water quality. In this study, velocity distributions were evaluated with regard to environmental, navigational and small-boat safety considerations. Aquatic habitat was defined by depth, substrate type and current velocity. Habitat types were quantified by measuring the areas between calculated contours of velocity magnitude (isotachs) for existing and project conditions. The capability for computing and displaying isotachs for the depth-average velocity, velocity one foot from the bottom and near the water surface was developed for this study. The product of this study effort is an application of the RMA-2 model that allows prediction of structural aquatic habitat in hydraulicaly complex locations. Elements of the instream flow group methodology could be incorporated to provide detailed predictions of impacts to habitat quality. Calibration of the numerical model to field measurements of velocity magnitude and direction is also described.
Book Synopsis Role of Small Computers in Two-dimensional Flow Modeling by : D. Michael Gee
Download or read book Role of Small Computers in Two-dimensional Flow Modeling written by D. Michael Gee and published by . This book was released on 1985 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1985 with total page 1152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multi-purpose, Multi-reservoir Simulation on a Pc by : Bill Eichert
Download or read book Multi-purpose, Multi-reservoir Simulation on a Pc written by Bill Eichert and published by . This book was released on 1988 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: The methodology and difficulties in converting a large, general purpose, mainframe, batch oriented computer program (for reservoir simulation) to work effectively in the PC environment are described in this paper. A brief overview of the present capabilities of the general purpose reservoir simulation program (HEC-5), that works on mainframe and MS DOS compatible computers, is also presented. Keywords: Simulation, Personal computer, Reservior system, Flood control, Hydropower, Water supply, Computer programs, Multi-purpose, Multi-reservoir, FORTRAN. (jes).
Book Synopsis HEC Models for Urban Hydrologic Analysis by :
Download or read book HEC Models for Urban Hydrologic Analysis written by and published by . This book was released on 1994 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis HEC River Analysis System (HEC-RAS) by : Gary W. Brunner
Download or read book HEC River Analysis System (HEC-RAS) written by Gary W. Brunner and published by . This book was released on 1994 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The HEC Hydrologic Modeling System by : John Charles Peters
Download or read book The HEC Hydrologic Modeling System written by John Charles Peters and published by . This book was released on 1995 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Real-time Snow Simulation Model for the Monongahela River Basin by : Daniel H. Hoggan
Download or read book Real-time Snow Simulation Model for the Monongahela River Basin written by Daniel H. Hoggan and published by . This book was released on 1987 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The HEC NexGen Software Development Project by : Darryl W. Davis
Download or read book The HEC NexGen Software Development Project written by Darryl W. Davis and published by . This book was released on 1993 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Risk-based Analysis for Corps Flood Project Studies by : Earl E. Eiker
Download or read book Risk-based Analysis for Corps Flood Project Studies written by Earl E. Eiker and published by . This book was released on 1996 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Two-dimensional Floodplain Modeling by : D. Michael Gee
Download or read book Two-dimensional Floodplain Modeling written by D. Michael Gee and published by . This book was released on 1990 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: A two-dimensional horizontal finite element numerical model (RMA-2) was applied to a 15 mile (24 km) river channel-floodplain reach in West Germany. Previous applications of such models have been restricted to much smaller scales. The results indicate that finite element schemes may successfully estimate river stage in large scale floodplain applications. Computed stage hydrographs compared well with observed data using loss coefficients within expected ranges. Two-dimensional flow models have been applied to certain classes of river channel problems. Applications have included detailed analyses of flow patterns near structures such as bridges and floodplains. In all these problems the scale of interest has been small, e.g. reaches of river a few river widths long. Many estuary studies have been done that were of large scale; some of these utilized a hybrid (numerical plus physical) modeling technique. In a review of the application of finite element methods to river channels, Samuels reported that the river channel was resolved separately from the floodplain in only two studies. Missing in previous work is attention to large scale floodplain modeling. The work reported in this paper focuses on the feasibility and accuracy of applying a two-dimensional flow model to a large floodplain. Traditional floodplain studies have used semi-empirical flow routing with steady, one-dimensional computation of water surface elevations to define inundated areas. Keywords: Army Corps of Engines. (kr).
Book Synopsis The Estimation of Rainfall for Flood Forecasting Using Radar and Rain Gage Data by : William J. Charley
Download or read book The Estimation of Rainfall for Flood Forecasting Using Radar and Rain Gage Data written by William J. Charley and published by . This book was released on 1988 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Use of Land Surface Erosion Techniques with Stream Channel Sedimentation Models by : D. Michael Gee
Download or read book Use of Land Surface Erosion Techniques with Stream Channel Sedimentation Models written by D. Michael Gee and published by . This book was released on 1996 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book HEC-6 written by and published by . This book was released on 1995 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flood-runoff Forecasting with HEC1F by : John Charles Peters
Download or read book Flood-runoff Forecasting with HEC1F written by John Charles Peters and published by . This book was released on 1985 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Hydrologic Modeling System (HEC-HMS) by : William J. Charley
Download or read book The Hydrologic Modeling System (HEC-HMS) written by William J. Charley and published by . This book was released on 1995 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fisheries Review written by and published by . This book was released on 1987 with total page 952 pages. Available in PDF, EPUB and Kindle. Book excerpt:
