Each year more than 200 million people are affected by floods, tropical storms, droughts, earthquakes, and also operational failures, wars, terrorism, vandalism, and accidents involving hazardous materials. These are part of the wide variety of events that cause death, injury, and significant economic losses for the countries affected. In an environment where natural hazards are present, local actions are decisive in all stages of risk management: in the work of prevention and mitigation, in rehabilitation and reconstruction, and above all in emergency response and the provision of basic services to the affected population. Commitment to systematic vulnerability reduction is crucial to ensure the resilience of communities and populations to the impact of natural and manmade hazards.
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WASTE-WATER TREATMENT TECHNOLOGIES: A GENERAL REVIEW
Author: ECONOMIC AND SOCIAL COMMISSION FOR WESTERN ASIA | Size: 3.08 MB | Format:PDF | Publisher: United nation | Year: 2003 | pages: 132 pages
Municipal waste-water is the combination of liquid or water-carried wastes originating in the sanitary
conveniences of dwellings, commercial or industrial facilities and institutions, in addition to any
groundwater, surface water and storm water that may be present.
Untreated waste-water generally contains high levels of organic material, numerous pathogenic microorganisms,
as well as nutrients and toxic compounds. It thus entails environmental and health hazards, and,
consequently, must immediately be conveyed away from its generation sources and treated appropriately
before final disposal. The ultimate goal of waste-water management is the protection of the environment in a
manner commensurate with public health and socio-economic concerns.1
Due to the largely arid nature of the ESCWA member countries, waste-water treatment is of particular
concern to them. The first chapter of this study identifies and briefly describes typical contaminants found in
municipal waste-water. Chapter 2 extensively illustrates various waste-water treatment technologies.
Technical details on treatment methods and applications and sludge disposal are presented. chapter 3 goes on
to discuss the management of treated effluents and how they are reused and disposed of. Devices and
techniques used for instrumentation and control in waste-water treatment facilities are covered in chapter 4.
Chapter 5 is concerned with the economics of waste-water treatment, with details on installation and
operation costs for several treatment methods. Case studies on selected ESCWA member countries (Egypt,
Jordan, Kuwait, Lebanon and Yemen) are presented in chapter 6. The case studies outline the current status
of each country with respect to its waste-water treatment efforts and look at its future plans for the
development of waste-water treatment facilities. Finally, chapter 7 contains a number of recommendations,
emphasizing in particular that more efforts are needed in the ESCWA region for the improvement of water
reuse through an integrated, multi-disciplinary water management strategy.
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Author: Michael R. Bloomberg and Emily Lloyd, | Size: 4.95 MB | Format:PDF | Publisher: New York City Department of Environmental Protection | pages: 34
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Please i need steel design example up to 5 storey building using BS/EC Design codes respectively. Detailed design calculations will be well appreciated.
Although there are many texts and monographs on fluid dynamics, I do not know of any which is as comprehensive as the present book. It surveys nearly the entire field of classical fluid dynamics in an advanced, compact, and clear manner, and discusses the various conceptual and analytical models of fluid flow. - Foundations of Physics on the first edition
Theoretical Fluid Dynamics functions equally well as a graduate-level text and a professional reference. Steering a middle course between the empiricism of engineering and the abstractions of pure mathematics, the author focuses on those ideas and formulations that will be of greatest interest to students and researchers in applied mathematics and theoretical physics. Dr. Shivamoggi covers the main branches of fluid dynamics, with particular emphasis on flows of incompressible fluids. Readers well versed in the physical and mathematical prerequisites will find enlightening discussions of many lesser-known areas of study in fluid dynamics.
This thoroughly revised, updated, and expanded Second Edition features coverage of recent developments in stability and turbulence, additional chapter-end exercises, relevant experimental information, and an abundance of new material on a wide range of topics, including:
* Hamiltonian formulation
* Nonlinear water waves and sound waves
* Stability of a fluid layer heated from below
* Equilibrium statistical mechanics of turbulence
* Two-dimensional turbulence
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Wind analysis for low rise building, based on ASCE 7-05/IBC2009/CBC 2010 - DEMO ONLY
Size: 752 KB
Wind analysis for low rise building, based on ASCE 7-05/IBC2009/CBC 2010
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The following Standard applies to steel stacks; that is, those stacks where the primary supporting shell is made of steel. It applies to both single- and multiple-walled steel stacks, either of which can be lined or unlined. It also applies to steel stacks that are guyed, or to certain aspects of tower stacks. The stack may be supported on a foundation or from another structure.
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Support this Association work if you get a direct benefit from it.
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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.
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CONTENT:
Part 1 Sediment Transport Issues
Chapter 1 Sediment Transport Patterns in Todos Santos Bay,
Baja California, Mexico, Inferred from Grain-Size Trends
Alberto Sánchez and José D. Carriquiry
Chapter 2 Dynamics of Sediments Exchange and Transport in the Bay
of Cadiz and the Adjacent Continental Shelf (SW - Spain)
Mohammed Achab
Chapter 3 The Significance of Suspended Sediment Transport
Determination on the Amazonian Hydrological Scenario
Naziano Filizola, Jean-Loup Guyot, Hella Wittmann,
Jean-Michel Martinez and Eurides de Oliveira
Chapter 4 Sediment Transport in Rainwater Tanks
and Implications for Water Quality
Mirela I. Magyar, Anthony R. Ladson and Clare Diaper
Chapter 5 Fine Sediment Deposition at Forest Road Crossings:
An Overview and Effective Monitoring Protocol
John F. Rex and Ellen L. Petticrew
Part 2 Numerical Modelling of Sediment Transport
Chapter 6 The Filling Dynamics of an Estuary:
From the Process to the Modelling
Sylvain Guillou, Jérôme Thiebot, Julien Chauchat Romuald Verjus,
Anthony Besq, Duc Hau Nguyen and Keang Sé Pouv
Chapter 7 Transport of Sediments in Water
Bodies of the Gulf of California
Noel Carbajal and Yovani Montaño-Ley
Chapter 8 Sediment Transport Modelling and
Morphological Trends at a Tidal Inlet
Sandra Plecha, Paulo A. Silva, Anabela Oliveira and João M. Dias
Chapter 9 Coupling Watershed Erosion Model with Instream
Hydrodynamic-Sediment Transport Model:
An Example of Middle Rio Grande
Dong Chen and Li Chen
Chapter 10 Coastal Morphological Modeling
Yun-Chih Chiang and Sung-Shang Hsiao
Part 3 River, Delta and Lake Sediment Processes
Chapter 11 Computation of Lake or Reservoir
Sedimentation in Terms of Soil Erosion
Vlassios Hrissanthou
Chapter 12 Hydrodynamic Influences on Fluid Mud
Distribution in the Amazon Subaqueous Delta
Roberto Fioravanti Carelli Fontes, Aurea Maria Ciotti
and Belmiro Mendes de Castro
Chapter 13 Hydrodynamic Effects of Sedimentation on Mass Transport
Properties in Dead Water Zone of Natural Rivers
Michio Sanjou
Chapter 14 Sediment Transport and River Channel Dynamics
in Romania – Variability and Control Factors
Liliana Zaharia, Florina Grecu, Gabriela Ioana-Toroimac
and Gianina Neculau
Chapter 15 Integrating River Bed Dynamics
to Flood Risk Assessment
Clemens Neuhold, Philipp Stanzel and Hans Peter Nachtnebel
OPEN ACCESS MATERIAL
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