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Author : Michael K. Deering
Publisher :
ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.:/5 (34 download)
Download or read book The Design of Sediment Basins Using Two-dimensional Hydrodynamic Techniques written by Michael K. Deering and published by . This book was released on 1986 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wade H. Shafer
Publisher : Springer Science & Business Media
ISBN 13 : 1461573912
Total Pages : 386 pages
Book Rating : 4.4/5 (615 download)
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thougtit that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 31 (thesis year 1986) a total of 11 ,480 theses titles trom 24 Canadian and 182 United States universities. We are sure that this broader base tor these titles reported will greatly enhance the value ot this important annual reterence work. While Volume 31 reports theses submitted in 1986, on occasion, certain univer sities do re port theses submitted in previousyears but not reported at the time.
Author : D. Michael Gee
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.3/5 (121 download)
Download or read book Predicting Deposition Patterns in Small Basins written by D. Michael Gee and published by . This book was released on 1991 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shou-shan Fan
Publisher :
ISBN 13 :
Total Pages : 686 pages
Book Rating : 4.:/5 (319 download)
Download or read book Proceedings of the Fifth Federal Interagency Sedimentation Conference, 1991 written by Shou-shan Fan and published by . This book was released on 1991 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Annjanette Marie Dodd
Publisher :
ISBN 13 : 9781109906288
Total Pages : 93 pages
Book Rating : 4.9/5 (62 download)
Download or read book Two-dimensional Mobile Bed Hydrodynamic Model for the Transport of Mixed Sediments written by Annjanette Marie Dodd and published by . This book was released on 2006 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented is the development and initial testing of a two dimensional bed load transport model that can reasonably predict changes in not just bed elevations but bed composition composed of materials into the gravel range. The model is capable of computing a new bed composition and topography for a fixed flow rate given the initial channel geometry, bed composition, and topography. Sediment continuity is determined using mass conservation in a sediment element consisting of a mixing layer of constant thickness and a sublayer. A two-dimensional shallow water flow model is used to determine water velocities and depths. Sediment transport rates are determined using the surface-based formulation for mixed sand and gravel of Wilcock and Crowe developed for mixed sand and gravel. The Chezy coefficient for the channel is determined as a calibration parameter to sediment transport. An adjustment factor is used as a correction to the estimated bed shear stresses to match observed and predicted sediment transport. Initial tests of the model (excluding cross stream variation) using the results of flume experiments conducted at Humboldt State University showed good agreement between observed and predicted changes in bed elevations, the distribution of transported material, and the total amount of material transported. Further testing of the model, including cross stream variation, was performed using the results of two sediment transport experiments. The model reproduced the evolution of the bed for each of the experiments as well as the sediment transport rates and distribution of median diameters. Prediction errors of the percent of individual size classes were below 25% and only in a few cases; most errors were within 10%. All sediment transport rates are predicted within an order of magnitude.
Author : Howard H. Chang
Publisher :
ISBN 13 :
Total Pages : 570 pages
Book Rating : 4.3/5 (91 download)
Download or read book Hydraulic Engineering written by Howard H. Chang and published by . This book was released on 1990 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William Cullen Sherwood
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (39 download)
Download or read book Design Criteria for Sediment Basins written by William Cullen Sherwood and published by . This book was released on 1972 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need for controlling construction induced sediment to keep it from entering the nation's waterways is generally accepted. Efficient means and methods for sediment control, however, are not simple, and in some cases have not been developed to a high degree. A look at the overall picture of sediment control shows two distinct approaches: (1) Control of erosion, and (2) interception of errant soil once erosion has taken place. Obviously erosion control (mainly by vegetation) is the preferred approach. However, during periods of active construction and before vegetation is established, erosion is inevitable. The problem is then to intercept the waterborne sediment produced and confine it to the construction area. According to William M. Smith, County of Fairfax Public Works, flows below 15 CFS based on a 10-year rain can be controlled by berms, and straw and brush dams, which are less expensive than silt ponds or basins. On the other hand flows in excess of 400 CFS (again based on the 10-year storm) are too large for the practical design of silt basins, so efforts should be concentrated on protecting the stream from construction by placing traps, berms, and barriers along the stream banks, So, in essence, use of the siltation pond or basin is limited to situations where high flows will range from perhaps somewhat less than 15 CFS to a maximum of 400 CFS, based on the 10-year storm event. Finally, this short report will consider only the volume aspects, or trap efficiency, of the ponds and not the design of the dam, riser pipe, spillway, etc.
Author : National Research Council (U.S.). Transportation Research Board
Publisher : Transportation Research Board National Research
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (359 download)
Download or read book Design of Sedimentation Basins written by National Research Council (U.S.). Transportation Research Board and published by Transportation Research Board National Research. This book was released on 1980 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This synthesis will be of interest to planners, engineers, designers, and contractors who must deal with the problem of sediment-laden runoff from construction sites. A comprehensive discussion of sedimentation basins, their design, and their best use is presented."--Avant-propos.
Author : Scientific Assessment and Strategy Team (U.S.)
Publisher :
ISBN 13 :
Total Pages : 114 pages
Book Rating : 4.3/5 (91 download)
Download or read book Proceedings of the Scientific Assessment and Strategy Team Workshop on Hydrology, Ecology, and Hydraulics, Sioux Falls, South Dakota, February 15-16, 1994 written by Scientific Assessment and Strategy Team (U.S.) and published by . This book was released on 1996 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. Michael Gee
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.3/5 (121 download)
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).
Author : Neville Burt
Publisher :
ISBN 13 :
Total Pages : 490 pages
Book Rating : 4.:/5 (318 download)
Download or read book Cohesive Sediments written by Neville Burt and published by . This book was released on 1997-04-03 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is an alarming tendency today to assume that something calculated by a computer must be correct, yet the phrase 'garbage in, garbage out' (gigo) is possibly nowhere more (generally) appropriate than in computer modelling of cohesive sediment behaviour. The behaviour of 'mud' is highly complex and one only needs to look at a sample under a microscope to see why - the variety of particle shapes, not to mention the presence of living organisms, make it a substance with properties virtually unique to its situation which even change with time. For many years most researchers tended to avoid it, preferring to study sand and gravel, but a dedicated few tackled it and found a forum for discussing their work in the first Cohesive Sediments Workshop in Florida in 1980. The workshop met about every three years resulting in publication of some of the most definitive papers on the subject. By 1994 it was time to recognise the extensive research being carried on in Europe by holding the workshop in that region. Intercoh '94 (the 4th Nearshore and Estuarine Cohesive Sediment Transport Conference) drew together about 100 of the world's leading researchers in the field. The resulting papers, presented in this volume, truly represent the definitive state of the art on the measurement and modelling of mud properties today.
Author :
Publisher :
ISBN 13 :
Total Pages : 962 pages
Book Rating : 4.3/5 (91 download)
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Theodore V. Hromadka II
Publisher : BoD – Books on Demand
ISBN 13 : 1839628170
Total Pages : 90 pages
Book Rating : 4.8/5 (396 download)
Download or read book A Diffusion Hydrodynamic Model written by Theodore V. Hromadka II and published by BoD – Books on Demand. This book was released on 2020-09-09 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Diffusion Hydrodynamic Model (DHM), as presented in the 1987 USGS publication, was one of the first computational fluid dynamics computational programs based on the groundwater program MODFLOW, which evolved into the control volume modeling approach. Over the following decades, others developed similar computational programs that either used the methodology and approaches presented in the DHM directly or were its extensions that included additional components and capacities. Our goal is to demonstrate that the DHM, which was developed in an age preceding computer graphics/visualization tools, is as robust as any of the popular models that are currently used. We thank the USGS for their approval and permission to use the content from the earlier USGS report.
Author : F. Sh Mukhamedzhanov
Publisher :
ISBN 13 :
Total Pages : 21 pages
Book Rating : 4.:/5 (227 download)
Download or read book The Design (calculation) of Precipitating Sediment in Irrigational Basins written by F. Sh Mukhamedzhanov and published by . This book was released on 1964 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: Existing methods of designing settling basins can be divided into two groups. 1) Methods accounting only the influence of turbulence of the flow on the length of the fallout path of the particles. It is assumed that all sediment must fall out of the flow, even if in endless length. (2) Methods accounting the influence on the precipitating particles of the suspension capability of the flow. It is assumed that the flow can steadily retain in suspension a certain quantity of sediment, called the critical turbidity. The calculations of the first group is simpler (the methods of D. Sokolov, E. Zamarin, M. Velikanov, A. Zegda and others), and is implemented in the design of basins for hydro-stations, where relatively large (d> 0.25 MM.) sediment having a hydraulic size much larger than the suspension capability of the flow in the basin. (Author).
Author : Stephen A. Bortone
Publisher : CRC Press
ISBN 13 : 1420038184
Total Pages : 559 pages
Book Rating : 4.4/5 (2 download)
Download or read book Estuarine Indicators written by Stephen A. Bortone and published by CRC Press. This book was released on 2004-12-28 with total page 559 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acknowledging the present inability to determine objectively the status and trends among estuarine ecosystems, the environmental research community has recently stepped up efforts to develop and evaluate meaningful estuarine indicators. This goal requires the effort of researchers from a broad spectrum of disciplines. In order to expedite this init
Author : G. Mathias Kondolf
Publisher : John Wiley & Sons
ISBN 13 : 1118648560
Total Pages : 560 pages
Book Rating : 4.1/5 (186 download)
Download or read book Tools in Fluvial Geomorphology written by G. Mathias Kondolf and published by John Wiley & Sons. This book was released on 2016-04-28 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fluvial Geomorphology studies the biophysical processes acting in rivers, and the sediment patterns and landforms resulting from them. It is a discipline of synthesis, with roots in geology, geography, and river engineering, and with strong interactions with allied fields such as ecology, engineering and landscape architecture. This book comprehensively reviews tools used in fluvial geomorphology, at a level suitable to guide the selection of research methods for a given question. Presenting an integrated approach to the interdisciplinary nature of the subject, it provides guidance for researchers and professionals on the tools available to answer questions on river restoration and management. Thoroughly updated since the first edition in 2003 by experts in their subfields, the book presents state-of-the-art tools that have revolutionized fluvial geomorphology in recent decades, such as physical and numerical modelling, remote sensing and GIS, new field techniques, advances in dating, tracking and sourcing, statistical approaches as well as more traditional methods such as the systems framework, stratigraphic analysis, form and flow characterisation and historical analysis. This book: Covers five main types of geomorphological questions and their associated tools: historical framework; spatial framework; chemical, physical and biological methods; analysis of processes and forms; and future understanding framework. Provides guidance on advantages and limitations of different tools for different applications, data sources, equipment and supplies needed, and case studies illustrating their application in an integrated perspective. It is an essential resource for researchers and professional geomorphologists, hydrologists, geologists, engineers, planners, and ecologists concerned with river management, conservation and restoration. It is a useful supplementary textbook for upper level undergraduate and graduate courses in Geography, Geology, Environmental Science, Civil and Environmental Engineering, and interdisciplinary courses in river management and restoration.
Author :
Publisher :
ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.0/5 ( download)
Download or read book Current Hydraulic Laboratory Research in the United States written by and published by . This book was released on 1970 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
