Determining Peak Discharge Frequencies In An Urbanizing Watershed
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Determining Peak Discharge Frequencies In An Urbanizing Watershed
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Author : Steven F. Daly
language : en
Publisher:
Release Date : 1979
Determining Peak Discharge Frequencies In An Urbanizing Watershed written by Steven F. Daly and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Clinton River Watershed (Mich.) categories.
A case study is presented of a hydrologic investigation of the Red Run Drain-Lower Clinton River watershed, an area near Detroit, Michigan, that has undergone urbanization since the 1940's. The purpose of the study was to determine peak-discharge frequencies at gaged and ungaged locations for existing and future conditions. Population density was used as an indicator of urbanization in relationships defining unit hydrograph parameters and hydrologically significant impervious area. Input parameters for a single event rainfall-runoff simulation model (HEC-1) were developed to reflect watershed conditions in the years 1940, 1950, 1960 and 1975. The input parameters were verified by reconstructing observed flood events that occurred at these points in time. Sets of synthetic winter and summer storm hyetographs were input to HEC-1 to develop a series of curves for two gaging stations that relate peak discharge to magnitude of synthetic storm for each watershed condition. The curves were used to transform the series of recorded annual peak discharges at each gage to a stationary series that reflects 1975 watershed conditions. Discharge frequency estimates were then developed for ungaged locations using winter and summer synthetic storms that were assigned exceedance frequencies consistent with actual exceedance frequencies at the gaged locations. Projections of future population density were the basis for developing HEC-1 input parameters representing year 2000 and 2025 watershed conditions. Estimates of peak discharge-frequencies for the future conditions were made at the gaged and ungaged locations using the methods described above. (Author).
Selected Water Resources Abstracts
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Author :
language : en
Publisher:
Release Date : 1989
Selected Water Resources Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Water categories.
Prescriptive Reservoir System Analysis Model
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Author : Darryl W. Davis
language : en
Publisher:
Release Date : 1991
Prescriptive Reservoir System Analysis Model written by Darryl W. Davis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Reservoirs categories.
Hydrologic Aspects Of Flood Warning Preparednness Programs
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Author : Harry W. Dotson
language : en
Publisher:
Release Date : 1990
Hydrologic Aspects Of Flood Warning Preparednness Programs written by Harry W. Dotson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Flood damage prevention categories.
Current Practices In Modelling The Management Of Stormwater Impacts
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Author : William James
language : en
Publisher: CRC Press
Release Date : 1994-02-07
Current Practices In Modelling The Management Of Stormwater Impacts written by William James and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-02-07 with Technology & Engineering categories.
This impressive publication presents the proceedings of the 1993 Toronto Stormwater and Water Quality Modelling meeting. The number of papers in the book has been substantially increased and, for the first time, the contributions have been peer reviewed for novelty, accuracy, readability, and relevance. Chapters are arranged in five sections: ecosystem impacts, water quality modelling, new methods and modelling, data management, and current practice. The appendices are valuable research aids, with a detailed index, a substantial glossary encompassing the entire discipline, lists of acronyms, models, and abbreviations, and a complete list of authors cited in the book. The editor also provides a classification of the 485 papers of the 11-year series of conferences held at the University of Kentucky at Louisville.
Flood Routing Through A Flat Complex Flood Plain Using A One Dimensional Unsteady Flow Computer Program
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Author : John Charles Peters
language : en
Publisher:
Release Date : 1983
Flood Routing Through A Flat Complex Flood Plain Using A One Dimensional Unsteady Flow Computer Program written by John Charles Peters and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Flood routing categories.
Two Dimensional Floodplain Modeling
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Author : D. Michael Gee
language : en
Publisher:
Release Date : 1990
Two Dimensional Floodplain Modeling written by D. Michael Gee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Floodplain management categories.
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).
Modeling Water Resources Systems For Water Quality
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Author : R. G. Willey
language : en
Publisher:
Release Date : 1985
Modeling Water Resources Systems For Water Quality written by R. G. Willey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with HEC-5 (Computer program) categories.
Hec Software Development And Support
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Author : Bill Eichert
language : en
Publisher:
Release Date : 1983
Hec Software Development And Support written by Bill Eichert and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Computer programs categories.
New Developments In Hec Programs For Flood Control
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Author : Vernon R. Bonner
language : en
Publisher:
Release Date : 1986
New Developments In Hec Programs For Flood Control written by Vernon R. Bonner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Channels (Hydraulic engineering) categories.