Hydrodynamics Of Wave Vegetation Interactions
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Hydrodynamics Of Wave Vegetation Interactions
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Author : Shiqiang Yan
language : en
Publisher:
Release Date : 2023-10-12
Hydrodynamics Of Wave Vegetation Interactions written by Shiqiang Yan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-10-12 with categories.
Free-surface flow (or wave) interaction with vegetation is a complex subject. In order to understand the underlying physical processes either physical experiments or numerical simulations, or ideally in complement, can be employed. Both approaches face lots of challenges. For example in experiments, the research question is how to scale-down appropriately the large-scale physics and how to interpret the experimental data. In numerical simulations, how to approximate numerically the complex wave-multiple rigid or flexible structures (vegetal stems) including the resolution of turbulence at all spatial and temporal scales. This book reviews the state of the art of the research in the area of wave-vegetation interaction for coastal applications using numerical and experimental approaches. The reference text will be useful to students, early-career researchers, teachers and practicing engineers in the field of ocean engineering, civil engineering and climate change.
Hydrodynamics Of Wave Vegetation Interactions
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Author : V Sriram
language : en
Publisher: World Scientific
Release Date : 2023-10-12
Hydrodynamics Of Wave Vegetation Interactions written by V Sriram and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-10-12 with Science categories.
Free-surface flow (or wave) interaction with vegetation is a complex subject. In order to understand the underlying physical processes either physical experiments or numerical simulations, or ideally in complement, can be employed. Both approaches face lots of challenges. For example in experiments, the research question is how to scale-down appropriately the large-scale physics and how to interpret the experimental data. In numerical simulations, how to approximate numerically the complex wave-multiple rigid or flexible structures (vegetal stems) including the resolution of turbulence at all spatial and temporal scales.This book reviews the state of the art of the research in the area of wave-vegetation interaction for coastal applications using numerical and experimental approaches. The reference text will be useful to students, early-career researchers, teachers and practicing engineers in the field of ocean engineering, civil engineering and climate change.
Phase Ii Report For Serri Project No 80037
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Author : Weiming Wu
language : en
Publisher:
Release Date : 2012
Phase Ii Report For Serri Project No 80037 written by Weiming Wu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Shore protection categories.
Measurements And Linear Wave Theory Based Simulations Of Vegetated Wave Hydrodynamics For Practical Applications
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Author : Mary Elizabeth Anderson
language : en
Publisher:
Release Date : 2011
Measurements And Linear Wave Theory Based Simulations Of Vegetated Wave Hydrodynamics For Practical Applications written by Mary Elizabeth Anderson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Wave attenuation by vegetation is a highly dynamic process and its quantification is important for accurately understanding and predicting coastal hydrodynamics. However, the influence of vegetation on wave dissipation is not yet fully established nor implemented in current hydrodynamic models. A series of laboratory experiments were conducted at the Haynes Coastal Engineering Laboratory and in a two-dimensional flume at Texas A and M University to investigate the influence of relative vegetation height, stem density, and stem spacing uniformity on wave attenuation. Vegetation fields were represented as random cylinder arrays where the stem density and spatial variation were based on collected field specimens. Experimental results indicate wave attenuation is dependent on relative vegetation height, stem density, and stem spacing standard deviation. As stems occupy more of the water column, an increase in attenuation occurred given that the highest wave particle velocities are being impeded. Sparse vegetation fields dissipated less wave energy than the intermediate density; however, the extremely dense fields dissipated very little, if any, wave energy and sometimes wave growth was observed. This is possibly due to the highest density exceeding some threshold where maximum wave attenuation capabilities are exceeded and lowering of damping ensues. Additionally, wave attenuation increased with higher stem spatial variation due to less wake sheltering. A one-dimensional model with an analytical vegetation dissipation term was developed and calibrated to these experimental results to capture the wave transformation over the vegetation beds and to investigate the behavior of the vegetation field bulk drag coefficient. The best fit between predicted and measured wave heights was obtained using the least squares method considering the bulk drag coefficient as the single calibration parameter. The model was able to realistically capture the wave transformations over vegetation. Upon inspection, the bulk drag coefficient shared many of the dependencies of the total wave dissipation. The bulk drag coefficient increased with larger relative vegetation heights as well as with higher stem spacing standard deviation. Higher densities resulted in a lowering of the bulk drag coefficient but generally an increase in wave attenuation. These parameters and their influences help in identifying the important parameters for numerical studies to further our understanding of wave attenuation by wetlands.
Hydrodynamics Theory And Applications
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Author : A. T. Chwang
language : en
Publisher: Taylor & Francis Group
Release Date : 1996
Hydrodynamics Theory And Applications written by A. T. Chwang and has been published by Taylor & Francis Group this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Hydrodynamics categories.
Natural And Nature Based Features For Flood Risk Management
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Author : Jane McKee Smith
language : en
Publisher: Frontiers Media SA
Release Date : 2023-04-26
Natural And Nature Based Features For Flood Risk Management written by Jane McKee Smith and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-04-26 with Technology & Engineering categories.
Advances In Coastal Hydraulics
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Author : Panchang Vijay
language : en
Publisher: World Scientific
Release Date : 2018-06-19
Advances In Coastal Hydraulics written by Panchang Vijay and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-19 with Science categories.
Advances in Coastal Hydraulics contains twelve papers that report on recent developments in several areas of coastal hydraulics. The papers, written by well-regarded authors, cover interesting topics such as the interaction of groundwater and coastal waters, the use of remote sensing for coastal applications, erosion in Arctic environments, the impact of marine vegetation on coastal hydrodynamics, new methods to examine the reliability of breakwater design, the development of marine kinetic energy, and methods for modeling coastal processes as well as their applications to small and large scales, such as a harbor in Hawaii (for design) and the extensive coast of India (for examining the effects of tsunamis and sea level rise). The developments presented in this book could serve not only as a reference book, but also as a starting point for new endeavors in the respective topics.
Coastal Biogeomorphology
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Author : Zhan Hu
language : en
Publisher: Frontiers Media SA
Release Date : 2022-09-13
Coastal Biogeomorphology written by Zhan Hu and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-09-13 with Science categories.
Asian And Pacific Coasts 2011 Proceedings Of The 6th International Conference
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Author : Joseph Hun-wei Lee
language : en
Publisher: World Scientific
Release Date : 2011-11-24
Asian And Pacific Coasts 2011 Proceedings Of The 6th International Conference written by Joseph Hun-wei Lee and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-11-24 with Technology & Engineering categories.
This is a compilation of papers presented at the 6th International Conference on Asian and Pacific Coasts (APAC2011) held on December 14-16, 2011 in Hong Kong, China. It contains more than 200 articles addressing a wide spectrum of issues, ranging from conventional coastal engineering problems (such as wave hydrodynamics and sediment transport) to issues of contemporary interest (such as tsunami, coastal development, climate change and seawater level rise, shoreline protection, marine energy, nearshore ecology, oil spill, etc.). Authors present their experiences in tackling these problems, by means of theoretical modeling, numerical simulation, laboratory and field observations, with an aim to advance fundamental understanding of the controlling mechanisms, as well as to develop solutions for practical designs. This volume serves to promote technological progress and activities, technical knowledge transfer and cooperation on an international scale.
Wetlands And Water Resources Ecological Solutions For The Environment
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Author : Guangzhi Sun
language : en
Publisher: Frontiers Media SA
Release Date : 2023-04-12
Wetlands And Water Resources Ecological Solutions For The Environment written by Guangzhi Sun and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-04-12 with Science categories.
Wetlands are usually located in complex landscapes. Multiple ecosystem services delivered by wetlands to human well-being should be considered in broader contexts of wetland functions, water quality, water resource management and wetland conservation. Natural wetlands are 'kidneys' and 'sponges' of the earth that remove water pollutants and provide hydrological regulation functions vital to the environment. Where the functions of the wetlands are weakened, actions of rehabilitations are needed to revitalize those functions. While worldwide many natural wetlands have disappeared due to climate change and/or human activities, constructed wetlands, which may be seen as 'artificial kidneys/sponges' of the earth, have been increasingly built to replicate the functions of the natural wetlands. This Research Topic aims to collect and present the latest research developments in natural and constructed wetlands in relation to either water resource functions or water quality. Articles published in this Research Topic will showcase new understandings of water balances and flow patterns, vegetation characteristics, and pollutant transformations in wetland systems; innovative designs and efficiencies of wastewater treatment wetlands; and technologies that revitalize the ecosystem functions of natural wetlands. These articles are expected to bring benefits to research communities, water and wastewater industries, and government agencies that deal with wetland water management and conservation. High-quality Original Research and Review articles in this field are all welcome for submission to this Research Topic. Research interests include but are not limited to the following areas: 1. Water balances and flow patterns in natural wetland systems. 2. The hydrological regulation functions and importance of natural wetlands in their environmental context. 3. Vegetation characteristics of natural wetlands and their functional importance in wetland water pollution control. 4. Techniques for the rehabilitation of degraded wetlands. 5. The role of constructed wetlands in wastewater treatment. 6. Innovative designs and efficiencies of wastewater treatment wetlands. 7. The modeling of hydrological and/or pollutant dynamics in wetland systems. 8. The ecohydrology of wetlands. 9. The role of wetlands in the global carbon cycle. 10. Impacts of climate change and human activities on wetland hydrology and water resources. Recognizing that hydrological and biogeochemical processes are basically coupled in wetlands and their landscapes, manuscripts that report their interactions are particularly welcome.