Sediment transport

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  • Sediment Transport in Aquatic Environments is a book which covers a wide range of topics. The effective management of many aquatic environments, requires a detailed understanding of sediment dynamics. This has both environmental and economic implications, especially where there is any anthropogenic involvement. Numerical models are often the tool used for predicting the transport and fate of sediment movement in these situations, as they can estimate the various spatial and temporal fluxes.

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  • Sediment Transport Processes and their Modelling Applications is a book which covers a wide range of topics. The effective management of many aquatic environments, requires a detailed understanding of sediment dynamics. This has both environmental and economic implications, especially where there is any anthropogenic involvement. Numerical models are often the tool used for predicting the transport and fate of sediment movement in these situations, as they can estimate the various spatial and temporal fluxes.

    pdf388p lyly_5 22-03-2013 20 4   Download

  • Sediment transport is a book that covers a wide variety of subject matters. It combines the personal and professional experience of the authors on solid particles transport and related problems, whose expertise is focused in aqueous systems and in laboratory flumes. This includes a series of chapters on hydrodynamics and their relationship with sediment transport and morphological development.

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  • Tuyển tập các báo cáo nghiên cứu khoa học ngành toán học được đăng trên tạp chí toán học quốc tế đề tài: A new approach to investigate the interactions between sediment transport and ecotoxicological processes during flood events

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  • Morphology change at tidal influent estuary is controlled by the net sediment transport rate of river and tidal transport, and variations in features (bathymetry, structures, etc.) where scour and shoaling take place. To examine river and tidal exchange sediment transport in a systematic way, we investigated sediment transportation at the Bach Dang estuary with a coupled tide, wave and sediment transport-morphology change numerical modeling system. Five simulations consisting of

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  • The use of models to provide additional details on contaminant fate and transport has rapidly increased in the past 3 decades. The increasing global recognition of the potential risks associated with surface water or ground water contamination and speciÞc environmental regulations implemented after 1980 have demanded a more accurate understanding of these risks as they relate to human health and the environment.

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  • Pesticides in the Hydrologic System is a series of comprehensive reviews and analyses of our current knowledge and understanding of pesticides in the water resources of the United States and of the principal factors that influence contamination and transport. The series is presented according to major components of the hydrologic system—the atmosphere, surface water, bed sediments and aquatic organisms, and ground water.

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  • Marine Sediments are:Particles of various sizes derived from a variety of sources that are deposited on the ocean floor.A vast “library” recording geologic, oceanographic and climatic conditions Remarkably complete compared to land Effects of water velocity on transport: rivers and nearshore vs open ocean...

    ppt30p thachthaoxanh 24-08-2011 29 5   Download

  • Nghiêm Tiến Lam Khoa Kỹ thuật Biển, Đại học Thuỷ lợi 1. Giới thiệu Mô hình UNIBEST (Uniform Beach Sediment Transport) là phần mềm mô hình mô phỏng vận chuyển bùn cát và biến đổi bờ biển do WL | Delft Hydraulics (Hà Lan) phát triển. Mô hình bao gồm 3 môđun chính: • • • UNIBEST-TC: Tính toán vận chuyển bùn cát ngang bờ và biến đổi mặt cắt ngang bãi do các tác động của sóng, thuỷ triều và gió. UNIBEST-DE: Tính toán xói lở đụn cát do bão.

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  • Contaminated bottom sediments and their negative impacts on water quality are a major problem in surface waters throughout the United States as well as in many other parts of the world. Even after elimination of the primary contaminant sources, these bottom sediments will be a main source of contaminants for many years to come. In order to determine environmentally-effective and cost-effective remedial actions, the transport and fate of these sediments and associated contaminants must be understood and quantified.

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  • The search for oil occurs in geological sediments, as opposed to volcanic rocks. Several processes are involved in the creation of sediments. First, the inland continental volcanic rock is continuously being weakened and eroded by weathering processes (mechanical (through water, ice and wind) and chemical erosion). Secondly and simultaneously, the eroded material is being transported by water, ice and wind and gradually the material may be broken down into smaller pieces (from boulders to gravel, to sand, to silt and finally to clay).

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  • With the amazing advances of scientific research, Hydrodynamics - Theory and Application presents the engineering applications of hydrodynamics from many countries around the world. A wide range of topics are covered in this book, including the theoretical, experimental, and numerical investigations on various subjects related to hydrodynamic problems. The book consists of twelve chapters, each of which is edited separately and deals with a specific topic. The book is intended to be a useful reference to the readers who are working in this field....

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  • Mô hình UNIBEST (Uniform Beach Sediment Transport) là phần mềm mô hình mô phỏng vận chuyển bùn cát và biến đổi bờ biển do WL | Delft Hydraulics (Hà Lan) phát triển. Mô hình bao gồm 3 môđun chính: • UNIBEST-TC: Tính toán vận chuyển bùn cát ngang bờ và biến đổi mặt cắt ngang bãi do các tác động của sóng, thuỷ triều và gió. • UNIBEST-DE: Tính toán xói lở đụn cát do bão. • UNIBEST-CL+: Tính toán vận chuyển bùn cát dọc bờ và biến đổi đường bờ do sóng và dòng triều.

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  • Hydrodynamics has experienced a long history. A substantial growth of knowledge in this field has been happening since the 18th century. It is applicable in a wide variety of areas, such as ocean engineering, environmental engineering, water conservancy, energy exploration, and chemical engineering, to name a few. Over the past several decades, good progress has been made in physical models, computational methods, and theoretical studies, which significantly expanded the understanding and the engineering implications of hydrodynamics....

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  • Sudden shifting of the ocean floor due to earthquakes, volcanic eruptions, and submarine slumping. open ocean: short heights, long wavelengths (100 km), and long periods 400500 mph!!! shallow water: their length shortens and their height increases dramatically. These are NOT tidal waves

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  • Molecular markers present numerous advantages over conventional phenotype based alternatives.

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  • In case of the control period (1961-1990), the initial and the lateral boundary conditions for the regional model are taken from (i) the ERA-40 reanalysis database (Uppala et al., 2005) using 1° horizontal resolution, compiled by the European Centre for Medium-range Weather Forecasts (ECMWF), and (ii) the HadCM3 ocean-atmosphere coupled GCM using ~150 km as a horizontal resolution. For the validation of the PRECIS results CRU TS 1.2 (Mitchell & Jones, 2005) datasets were used.

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  •   Nowadays,  there  are  many  methods  to  study  shoreline  change  in  coastal  engineering.  Among  them,  mathematical  methods  are  considered  as  effective  ones  that  have  been  used  for  a  long  time.  LITPACK  is  a  numerical  model  in  MIKE  software  package,  developed  by  Danish  Hydraulic  Institute  (DHI),  for  simulating  non‐cohesive  sediment  transport  in  wave  and  currents,  littoral  drift,  coastline  evolution  and  profile  development  along ...

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  • Tham khảo bài thuyết trình 'geography and oceanography - chapter 6', khoa học tự nhiên, địa lý phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    ppt65p thachthaoxanh 24-08-2011 29 4   Download

  • Hình thái học thay đổi tại cửa sông chảy đến thủy triều được điều khiển bởi tỷ lệ vận chuyển trầm tích mạng lưới sông và vận chuyển thủy triều, và các biến thể trong các tính năng (độ sâu, cấu trúc, vv), nơi sói và shoaling diễn ra.

    pdf0p hoatuongvihong 15-11-2011 27 4   Download

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