Sediment Routing Systems
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Sediment Routing Systems
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Author : Philip A. Allen
language : en
Publisher: Cambridge University Press
Release Date : 2017-09-14
Sediment Routing Systems written by Philip A. Allen and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-14 with Business & Economics categories.
This cutting-edge summary combines ideas from several sub-disciplines to provide an understanding of sediment routing systems and Earth surface dynamics.
Environmental Signal Propagation Preservation And Identification In Sediment Routing Systems
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Author : Haipeng Li
language : en
Publisher:
Release Date : 2020
Environmental Signal Propagation Preservation And Identification In Sediment Routing Systems written by Haipeng Li and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Geomorphology categories.
Sediment Flux Through The Yellow River Sediment Routing System
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Author : Changxing Shi
language : en
Publisher: Open Dissertation Press
Release Date : 2017-01-27
Sediment Flux Through The Yellow River Sediment Routing System written by Changxing Shi and has been published by Open Dissertation Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-01-27 with categories.
This dissertation, "Sediment Flux Through the Yellow River Sediment Routing System" by Changxing, Shi, 師長興, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Abstract of thesis entitled 'Sediment Flux through the Yellow River Sediment Routing System' Submitted by SHI Changxing for the degree of Doctor of Philosophy at The University of Hong Kong in August 2002 Sediment fluxes through riverine sediment routing systems are one of the main causes for many environmental problems and disasters, to which the effective solutions should be based on quantification of the sediment fluxes and clarification of related mechanisms. This study probed into the sediment fluxes through one of the largest riverine sediment routing systems in the world, the Yellow River sediment routing system, in a spatial detail of four basic functional cells and on time scales of 0 4 10 -10 years. Investigation of the sediment fluxes was carried out through construction of sediment budgets of the system mainly based on information derived from deposits in the sinks and records of sediment load, and through analyzing some important mechanisms for the characteristics of the constructed sediment fluxes in the system. The dry bulk densities of deposits in various depositional environments in the system were investigated for acquiring reliable sediment budgets from deposits. The sediment budget for about 10 years when the Diaokouhe lobe of the Yellow River delta was formed was 14.510 tones of sediment income distributed into the lower Yellow River, the delta, and the sea by proportions of 33%, 49%, and 18%, respectively. The high proportion of sediment deposition in the delta was associated with the high sediment-sequestering efficiency of the ephemeral sediment-charged hyperpycnal underflows off the river mouth and floods over the delta plain because these two processes tend to arrest all the incoming fine as well as coarse particles. A positive relation exists between the proportion of sediment deposited in the deltaic lobe and sediment discharge. The amount of sediment escaping from the delta displays an exponentially decreasing trend with the distance from the delta front. 11 The sediment budget for the period from 1855 to 1968 was 1.87810 tons of sediment income deposited in the lower reaches and the river delta by proportions of 62% and 32%, respectively. The larger proportion of sediment deposition in the lower reaches was associated with the nonexistence of dykes during the period from 1855 to 1875 and the frequent dyke breaching before 1949. It was found that the percentages of sediment deposition in the delta on two time scales are different because the expanding delta captures the sediments, which were deposited in front of the delta in the earlier periods. The total sediment yield from the source in the Holocene was found to be about 12 810 tons, which was the total mass of sediments accumulated in all the sinks of the system. Using radiocarbon dates in the Huang-Huai-Hai Plain, it was revealed 9 that the annual sediment yield on a 2500-year average increased from 0.6810 tons 9 in the first quarter to 1.0110 tons in the last quarter of the Holocene. Furthermore, it was disclosed that human activities enlarged the sediment yield by a total of about 12 0.310 tons over the past 2500 years and were the cause for the difference between 9 the measured sediment yield of 1.610 t/yr and the predicted natural sediment yield 9 of 0.9510 t/yr in the middle of the last century. DOI: 10.5353/th_b2985194 Subjects:
Sediment Routing In Irrigation Canal Systems
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Author : Khalid Mahmood (Ph. D, P.E.)
language : en
Publisher:
Release Date : 1973
Sediment Routing In Irrigation Canal Systems written by Khalid Mahmood (Ph. D, P.E.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Channels (Hydraulic engineering) categories.
Sediment Flux Through The Yellow River Sediment Routing System
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Author : Changxing Shi
language : en
Publisher:
Release Date : 2002
Sediment Flux Through The Yellow River Sediment Routing System written by Changxing Shi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with River sediments categories.
Sediment Routing System Response To Tectonic Activity In The Argentine Precordillera
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Author : Ingrid Syverine Abrahamson
language : en
Publisher:
Release Date : 2010
Sediment Routing System Response To Tectonic Activity In The Argentine Precordillera written by Ingrid Syverine Abrahamson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Alluvial fans categories.
Alluvial fan deposition in the Argentine Central Precordillera is part of a sediment routing system that changes along strike of an active thrust front. This study area is partitioned into erosional and depositional sectors for analysis. The erosional sector drainage basins are analyzed using topographic data from a digital elevation model, to see how morphology changes with fault displacement. Drainage basins become shorter with more displacement. The depositional sector alluvial fans are classified using spectral characteristics from satellite imagery. The fans are classified based on thermal, near infrared, and elevation parameters. Fans close to the thrust front are interpreted to be old sheetflood deposits, with younger fans more distal from the front in the foreland. In this setting, progressive fault displacement causes shortening of the erosional sector, increasing the efficiency of sediment evacuation from the range, and causing a progradation of sheetflood fans into the foreland basin. Remote sensing analysis techniques are useful for characterizing the sediment routing system of alluvial systems where field-based information (geodetic, seismic, structural and lithologic data) is not available.
Footwall Topographic Development And Establishment Of Sediment Routing Systems During Continental Extension
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Author : Roman Guidon
language : en
Publisher:
Release Date : 2004
Footwall Topographic Development And Establishment Of Sediment Routing Systems During Continental Extension written by Roman Guidon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Basin Analysis
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Author : Philip A. Allen
language : en
Publisher: John Wiley & Sons
Release Date : 2013-05-30
Basin Analysis written by Philip A. Allen and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-05-30 with Science categories.
Basin Analysis is an advanced undergraduate and postgraduate text aimed at understanding sedimentary basins as geodynamic entities. The rationale of the book is that knowledge of the basic principles of the thermo-mechanical behaviour of the lithosphere, the dynamics of the mantle, and the functioning of sediment routing systems provides a sound background for studying sedimentary basins, and is a pre-requisite for the exploitation of resources contained in their sedimentary rocks. The third edition incorporates new developments in the burgeoning field of basin analysis while retaining the successful structure and overall philosophy of the first two editions. The text is divided into 4 parts that establish the geodynamical environment for sedimentary basins and the physical state of the lithosphere, followed by a coverage of the mechanics of basin formation, an integrated analysis of the controls on the basin-fill and its burial and thermal history, and concludes with an application of basin analysis principles in petroleum play assessment, including a discussion of unconventional hydrocarbon plays. The text is richly supplemented by Appendices providing mathematical derivations of a wide range of processes affecting the formation of basins and their sedimentary fills. Many of these Appendices include practical exercises that give the reader hands-on experience of quantitative solutions to important basin analysis processes. Now in full colour and a larger format, this third edition is a comprehensive update and expansion of the previous editions, and represents a rigorous yet accessible guide to problem solving in this most integrative of geoscientific disciplines. Additional resources for this book can be found at: www.wiley.com/go/allen/basinanalysis.
Sediment Associated Pollutants Sourcing And Routing Through Large Scale Systems For River Management
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Author : G. Old
language : en
Publisher:
Release Date : 2002
Sediment Associated Pollutants Sourcing And Routing Through Large Scale Systems For River Management written by G. Old and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
Landscape Evolution
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Author : Kerry Gallagher
language : en
Publisher: Geological Society of London
Release Date : 2008
Landscape Evolution written by Kerry Gallagher and has been published by Geological Society of London this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Science categories.
The morphology of Earth's surface reflects the interaction of climate, tectonics and denudational processes operating over a wide range of spatial and temporal scales. These processes can be considered catastrophic or continuous; depending on the timescale of observation or interest. Recent research had required integration of historically distinct subjects such as geomorphology, sedimentology, climatology and tectonics. Together, these have provided new insights into absolute and relative rates of denudation, and the factors that control the many dynamic processes involved. Specific subject areas covered are sediment transport processes and the timescales of competing processes, the role of the geological record and landscapes in constraining different processes, the nature of landscape evolution at different spatial scales and in contrasting geological environments.