Laboratory physical models are a valuable tool for coastal engineers. Physical models help us to understand the complex hydrodynamic processes occurring in the nearshore zone and they provide reliable and economic engineering design solutions.This book is about the art and science of physical modeling as applied in coastal engineering. The aim of the book is to consolidate and synthesize into a single text much of the knowledge about physical modeling that has been developed worldwide.This book was written to serve as a graduate-level text for a course in physical modeling or as a reference text for engineers and researchers engaged in physical modeling and laboratory experimentation. The first three chapters serve as an introduction to similitude and physical models, covering topics such as advantages and disadvantages of physical models, systems of units, dimensional analysis, types of similitude and various hydraulic similitude criteria applicable to coastal engineering models.Practical application of similitude principles to coastal engineering studies is covered in Chapter 4 (Hydrodynamic Models), Chapter 5 (Coastal Structure Models) and Chapter 6 (Sediment Transport Models). These chapters develop the appropriate similitude criteria, discuss inherent laboratory and scale effects and overview the technical literature pertaining to these types of models. The final two chapters focus on the related subjects of laboratory wave generation (Chapter 7) and measurement and analysis techniques (Chapter 8).

The book describes the current state of former opencast mines in six countries. The remediation and reclamation of abandoned opencast mines are considered as a chance for new sustainable ecological, sociological and cultural developments in the regions concerned. The examples quoted from different countries allow the results of different remediation strategies to be compared. By way of conclusion, some recommendations are given at the end.

This special volume contains papers that are partly based on contributions to the symposium "Minesite Recultivation" wh ich was held at the Brandenburg Technical University in Cottbus, FRG in lune 1994. Ouring this symposium, various aspects of research into the recultivation of open-cast minesites were discussed. As a prime example, the symposium focussed on the recultivation (reclamation) of post-mining landscapes in the Lusatian lignite mining district of the former German 2 Oemocratic Republic (GOR). In this area, about 700 km have been devastated by open- cast mining during the last 70 years. Therefore, the research into recultivation has a long tradition in Lusatia, going back to the 1930's. Oue [0 the scientific isolation of the former GOR, most of the research results were not available to an international audience until now. This situation holds also true for other eastern countries. Hence, this special volume is a first step to fill this gap. The papers by Pietsch, Heinsdorf, and Katzur and Haubold-Rosar detail the Lusatian lignite mining district presenting an overview of recultivation research results and practical experiences related to the establishment of terrestrial and aquatic ecosystems in this region after mining. In particular, the amelioration and reforestation of extremely acid, sulfurous mine soils, the fertilization of forest stands under different mine site conditions and the site-specific recolonization and re vegetation strategies are described.

Contents:
Preface. Acknowledgement. Managing Water Quality. Application tf the Root Zone Water Quality Model for Environment-Water Management In Agricultural Systems - L. R. Ahuja, L Ma, J. D. Hanson and R. S Kanwar. Assessing Atrazine In Irrigated Soil Profiles - A. S. Azevedo, R. S. Kanwar and L. S. Pereira. Influence of Sub-Surface Drainage On Herbicide Management In Low-Land Areas - D. Cruiciani, G. C. Baptista, P. J. Christoffoleti and K. Minami. Effects Of The Traditional and No-Tillage Systems Upon Runoff and Herbicide Transport - F. J. B. Teixeira and G. Basch. First Results on Controlled Drainage to Reduce Nitrate Losses From Agricultural Sites - M. Borin, G. Bonaiti and L. Giardini. Nitrate Movement in Level Basins: Reduced Versus Conventional Soil Tillage - D. V. Santos, P. L. Sousa and L. S. Pereira. Impact of Agricultural Developments on Water Contamination and Environmental Sustainability - R. S. Kanwar. Effect of Irrigation with Saline Water on Soil and Crop in South-West Spain - M. M. Ridao, F. Moreno, F. Cabrera, J. E. Fernandez, M. J. Palomo and E. Fernandez-Boy. Soil Hydraulic Parameters For Environmental and Leaching Studies - M. C. Gonçalves, R. M. Fernando and L. S. Pereira. Reducing Acid Pollution From Reclaimed Acid Sulphate Soils: Experiences from the Mekong Delta, Vietnam - T. P. Tuong, L. Q. Minh, D. V. Ni and M. E. F. Van Mensvoort. Control Of Furrow Erosion and Infiltration on a Mediterranean Soil Using Polyacrylamide - F. L. Santos, R. P. Serralheiro, F. S. Melhorado and M. R. Oliveira. Assessment of Groundwater Vulnerability to Pollution Using the Drastic Method. Application to the Alqueva Area - J. P. Lobo-Ferreira and M. M. Oliveira. Managing the Effects Of Agricultural Practices on Groundwater Quality - M. C. Caputo, G. Passarella, M. Vurro and G. Giuliano. Managing Demand. Environmental Criteria in a Decision Support System for Surface Irrigation Design - J. M. Gonçalves, L. S. Pereira And P. L. Sousa. Surface Irrigation Efficiency in Cracking Soils as Influenced by Water Restrictions - A. Zairi, A. Slatni, J. C. Mailhol and H. Achour. Furrow Surge Irrigation as a Water Saving Technique - I. Varlev, Z. Popova and I. Gospodinov. Evaluation of Performance of Surface Irrigation Systems: Optimization of Infiltration and Roughness Parameters - M. J. Calejo, P. L. Sousa and L. S. Pereira. Real Time Management of Furrow Irrigation with a Cablegation System - S. Shahidian, R. P. Serralheiro and L. L. Silva. Predicting Runoff Under Sprinkler Irrigation Using Eurosem - B. Ghorbani. Performance Of Centre Pivot Systems In Field Practice - J. Montero, J. M. Tarjuelo, F. T. Honrubia, J. Ortiz, P. Carrión, J. A. De Juan And M. Calvo. Optimization Of Water Application For Sprinkler Irrigation - V. P. S. Paz, J. A. Frizzone, T. A. Botrel and M. V. Folegatti. New Non-Water Stressed Baselines for Irrigation Scheduling with Infrared Thermometers - I. Alves and L. S. Pereira. Crop Water Stress Index for Beans Obtained from Temperature Difference Between Canopy and Air - P. E. P. Albuquerque, R. L. Gomide and A. E. Klar. Real-Time Irrigation Scheduling Model for Cotton - Y. H. Li and B. Dong. Using Sap Flow Measurements to Quantify Water Consumption in the Olive Tree - M. J. Palomo, A. Díaz-Espejo, J. E. Fernández, I. F. Girón and F. Moreno. Water-Yield Function of Rice and Its Temporal and Spatial Variation - Z. Mao and Y. L. Cui. managing Supply in Irrigation Systems. Participatory Research on Technical Interventions to Improve Irrigation Performance: Informing Perceptions - B. A. Lankford and J. W. Gowing. Canal Inspectors Know-How in Water Management - R. Bustos, M. Marre, J. Chambouleyron and S. Salatino. Demand Management by Irrigation Delivery Scheduling - N. Hatcho. Performance Analysis of On-Demand Pressurized Irrigation Systems - N. Lamaddalena and L. S. Pereira. New Approaches To Design and Performance Analysis Of Low Pressure Distribution Systems - A. Douieb, R. Bounoua, L. S. Pereira, P. L. Sousa and N. Lamaddalena. Effective Monitoring Of Canal Irrigation With Minimum Or No Flow Measurement - B. A. Lankford. Canal Water Delivery System Automation. A Case Study - M. Rijov and V. Paulo. Waterproofing Mira, Campilhas, Senhora Do Porto Canals with Drained Geomembranes - J. L. Machado Do Vale, A. M. Scuero and G. L. Vaschetti. Minimum Level Of Water Demand For A Profitable Operation Of An Irrigation Scheme - I. Nicolaescu and E. Manole. Spatial Distribution Of Irrigation Water Requirements Using Geostatistical Analysis - V. Sousa and L. S. Pereira. Rice Production In Floodplains: Issues For Water Management In Bangladesh - J. J. F. Barr and J. W. Gowing. Users Governance Of Irrigation Water: On-Going Reforms and Potentials - Masahiro Nakashima. water Conservation and Hydrologic Behaviour. Reuse Of Return Flows And Local Runoff In Irrigation Systems - J. W. Gowing and P. S. Maheepala. Remote Sensing For Rainwater Harvesting In Mediterranean Agriculture - D. Prinz, T. Oweis and A. Oberle. A Model To Obtain The Hydrograph Of Surface Runoff In Terraced Areas - F. F. Pruski, J. M. A. Silva, L. N. Rodrigues And D. D. Silva. Dynamic Flood Control Along Arterial Drainage Networks, A Case Study - Y. Nedelec, D. Zimmer, C. Chaumont and M. D. Porcheron. River Meadow Programs -Planning In Partnership - H. Patt. Effects Of River Diking On The Water And Slat Regimes Of Flood Plain Soils - F. Statescu, A. Nicolau and V. Tobolcea. Influence Of Tillage System On Water Regime In Irrigated And Rainfed Sunflower Production - G. Basch, J. P. Mendes, M. J. G. P. R. Carvalho, F. Marques and M. J. Santos. Measurements Of Soil Hydraulic Properties In An Olive Orchard Under Drip Irrigation - F. Moreno, J. E. Fernandez, M. J. Palomo, I. F. Girón, J. M. Villau and A. Díaz-Espejo. Effect Of Mulching With Black Polyethylene Sheets On Sweet Pepper Evaporation Losses - G. Ghinassi And L. Neri. coping With Water Scarcity and Drought. Reduced Demand Irrigation Scheduling Under Constraint Of The Irrigation Method - R. M. Fernando, L. S. Pereira, Y. Liu, Y. N. Li And L. G. Cai. Water and Salt Management Strategies In The Aral Sea Basin - V. A. Dukhovny, And V. I. Sokolov. Drought Forecasting As An Aid To Irrigation Water Management - I. Pálfai, G. Y. Szilárd and L. M. Tóth. Characterizing Agricultural Droughts In Eastern Romania - C. Cismaru, I. Bartha, I. Cojocaru, N. Marcoie and V. Gabor. Modeling The Occurrence Of Dry Spells and Their Impact On Crop Yield - S. A. V. Sousa and J. A. Frizzone. Reconnaissance Optimal Sustainable Groundwater Pumping Strategies For The Lower Ghaggar Basin - A. Kumar, R. Shyam, N. K. Tyagi and R. C. Peralta. Irrigation, Sustainable Development and Law - M. Mathus Escorihuela. Comprehensive Criteria For Water Ecosystems Sustainability Assessment - V. I. Sokolov and V. A. Nikolayenko. Subject Index.

Man's control over the elements of land and water for the purposes of agriculture was fundamental to the development of civilisations in the past, and remains so today. This volume deals with the processes of irrigation, and land drainage and reclamation, and illustrates the variety of technological and engineering solutions in a wide chronological and geographical perspective. The sophistication of many pre-modern systems is clear, as is the impact of modern technologies. Important points that emerge are that there was no steady or linear progression in techniques across time - instances of the transfer of ideas are balanced by cases of independent development - and that the correlations between irrigation systems and social structures demand more complex explanations than often proposed.

This monograph provides an overview of the principles required for a service orientation in the management of irrigation and drainage systems. The material covered is designed to emphasize an area largely neglected in the irrigation and drainage management literature. The dominating philosophy underlying this book is that irrigation and drainage systems must be managed as a service business responsive to the needs and changing requirements of its customers. It is postulated that this service approach to the management of irrigation and drainage systems consitutes a key element of the startegy that is needed to improve the current level of performance of many irrigation and drainage systems worldwide. Enhanced performance of irrigation is a prerequisite if we are to face the enormous challenge of producing greater quantities of food to meet the demand of a growing population. This is particularly the case in an environment with increasing competition for water from industry and urban water users, set against mounting concerns about environmental sustainability.

Sudbury, Ontario is one of the world's most polluted areas. A century of industrial activities has resulted in thousands of acidified lakes and vast areas of denuded land. This book describes, in a manner accessible to a wide audience, the damage and the efforts at environmental restoration at Sudbury which resulted in its winning a United Nations award in 1992 for land reclamation.
The book has been written by a distinguished group of contributors, ranging from experts in acid rain and land reclamation to environmental engineers and toxicologists.

A text for the student & the professional.

Contaminated land is a problem both in the short and long term as it cannot be used without remediation. The investigation and analysis of the problem, along with the legal responsibilities surrounding the issues, continue to present difficulties to those wishing to use or develop a contaminated site. Since publication of the 1st edition, the area has developed rapidly. Building on the success of the first edition, the new edition has been fully updated to take account of advances in the field.

The investigation phase is the most important segment of any geotechnical study. Using the correct methods and properly interpreting the results are critical to a successful investigation. Comprising chapters from the second edition of the revered Geotechnical Engineering Investigation Handbook, Geotechnical Investigation Methods offers clear, concise, and hands-on guidance for choosing and executing a variety of field investigations. This practical guide provides an affordable alternative to larger handbooks and condenses the essential elements of a geotechnical investigation into an easily digestible and readily accessible format. Renowned expert Roy E. Hunt discusses preliminary study to predict geologic conditions, applying information from geologic and topographic maps as well as remotely sensed imagery, proper test boring procedures, the various geophysical methods and when each is appropriate, and a variety of methods for determining materials' engineering properties in the lab and in situ. Hunt also covers field instrumentation for surface movements, subsurface deformations, and in situ pressures and stresses, as well as instrument arrays for typical problems such as structure settlement and fault movements. Eliminate the need to search through narrow volumes or large handbooks with Geotechnical Investigation Methods: A Field Guide for Geotechnical Engineers, a convenient and complete guide to the techniques you need.

Modern Irrigation Technologies reviews the experience of small holders with irrigation technologies under a range of diverse conditions in many different countries. Some people argue that modern irrigation technologies are the key to increased food production. However, projects introducing modern irrigation technologies in the developing world have often failed because the irrigation hardware, which has been developed for high-technology commercial agriculture, cannot be easily adapted for the use of the smallholder. The author identifies the pre-conditions relating to water availability, institutional support and economic opportunity that must be satisfied before small holders in developing countries can adopt irrigation methods and benefit from them. The circumstances in which modern technologies have been introduced are identified, and the relative success or otherwise of the initiatives are summarized. The book also contains a practical review of the range of irrigation hardware that is available and indicates the types of equipment that are more likely to meet the requirements of the smallholder sector. Modern Irrigation Technologies will be an invaluable guide to project workers, planners and small holders involved in planning and designing irrigation projects.

Key Features: Provides clear and authoritative recommendations for managing fire in ecological and social contexts Authors are all international leaders in their fields and include not only academics but also leaders of Indigenous communities Explains Indigenous cultural and knowledge systems to a degree that has rarely been accessible to lay and academic readers outside specialized disciplines like Anthropology Responds to growing need for new approaches to managing human-ecological systems that are in greater sympathy with Australia's natural environments/climate, and value the knowledge of Indigenous people Timely for scholarly and interest groups intervention, as the Australian government is again looking to 'develop the north' Sustainable Land Sector Development in Northern Australia sets out a vision for developing North Australia based on a culturally appropriate and ecologically sustainable land sector economy. This vision supports both Indigenous cultural responsibilities and aspirations, as well as enhancing enterprise opportunities for society as a whole. In the past, well-meaning if often misguided policy agendas have failed - and continue to fail - North Australians. This book helps breach that gap by acknowledging and harnessing Indigenous cultural strengths and knowledge systems for looking after the country and its people, as part of a smart, novel and diversified ecosystem services economy.

The treadle irrigation pump is able to lift up to 7000 litres of water per hour using the power of the human body, and can be locally made at low cost in small-scale metalworking shops. Its acceptance in Bangladesh, where it was first developed in 1984, is extraordinary, with over 500,000 pumps estimated now to be in use.;The current design offered in this manual has evolved from the Bangladesh original into a fully portable pump with both lift and pressure capacity and is especially appropriate to situations where soils are permeable, and water cannot easily be distributed through channels. The manual is intended to be read primarily by organizations engaged in economic development activities which have a particular expertise in technology transfer; it is not intended just as a step-by-step guide for the manufacturer (although it can be used in this way).

This book is written for engineers, students of coastal processes and laypersons interested in beach nourishment, which consists of the placement of large quantities of good quality sediment on the beach to advance the shoreline seaward. The improvement of project performance through proper design and the predictability of performance are emphasized. The overall longevity of a project is addressed as are local erosional areas. The roles which wave height, project length and sediment quality play in project performance are addressed quantitatively. The results are illustrated through reference to a number of monitored nourishment projects. Biological and economic aspects of beach nourishment are addressed.

Attempting to extend the boundaries of land reclamation, this publication is a collection of conference papers addressing a range of topics from the practical challenges of cleaning up the most conaminated sites to the creation of new landscapes and the ethical issues surrounding land restoration.

Primarily written as course material on flood control and drainage engineering for advanced students of civil engineering, this third edition is thoroughly revised. It accommodates recent developments in remote sensing, information technology and GIS technology. New additional material deals with problems of flood forecasting, flood plain prioritization and flood hazard zoning, and engineering measures for flood control. Drainage improvement is tackled, with particular regard to salinity and coastal aquifer management from the ingress of sea water. The book includes design problem-solving and case studies, making it practical and applications-oriented. The subject matter will be of considerable interest to civil engineers, agricultural engineers, architects and town planners, as well as other government and non-government organizations

Contaminated land is a problem both in the short and long term as it cannot be used without remediation. The investigation and analysis of the problem, along with the legal responsibilities surrounding the issues, continue to present difficulties to those wishing to use or develop a contaminated site. Since publication of the 1st edition, the area has developed rapidly. Building on the success of the first edition, the new edition has been fully updated to take account of advances in the field.

eBook available with sample pages: 0203477626

This book discusses coastal defense measures, which have not improved in the past few decades, and better alternatives. It emphasizes on the existence of stable bays in coastal geomorphology and their use in coastal stabilization. The conventional measures for saving beaches, such as seawalls, groins, offshore breakwaters, and renourishment, are discussed in detail, followed by an alternative known as headland control. Many types of coast, and the respective defense measures, are discussed, especially for eroding beaches downcoast of harbors with long breakwaters. The formation of offshore bars during storms is examined and the design of stable recreational beaches is demonstrated. Practical design problems are discussed in all cases. Many issues requiring attention in coastal engineering are also outlined.

This book discusses coastal defense measures, which have not improved in the past few decades, and better alternatives. It emphasizes on the existence of stable bays in coastal geomorphology and their use in coastal stabilization. The conventional measures for saving beaches, such as seawalls, groins, offshore breakwaters, and renourishment, are discussed in detail, followed by an alternative known as headland control. Many types of coast, and the respective defense measures, are discussed, especially for eroding beaches downcoast of harbors with long breakwaters. The formation of offshore bars during storms is examined and the design of stable recreational beaches is demonstrated. Practical design problems are discussed in all cases. Many issues requiring attention in coastal engineering are also outlined.

Contaminated land and the methods and legal controls governing its reclamation for subsequent development and use are of great current interest and concern. This volume in the Issues in Environmental Science and Technology series contains seven articles which treat the many aspects of this subject, ranging from risk assessment and risk management, through specific remediation methods and the evolution of government policy and controls, to analysis of the legal and technical features of specific environmental insurance policies. The chemistry of the non-ferrous heavy metals lead, zinc and cadmium is examined in relation to reclamation of superfund sites in the USA alongside a consideration of the role of the Welsh Development Agency in developing strategies for the recovery of derelict and contaminated land. An authoritative treatment of each of the topics is ensured by the particular expertise and distinction of the authors, and as such Contaminated Land and Its Reclamation will make an important contribution to the public debate on these issues. It will be essential reading for all those groups of people directly or indirectly involved, from consultants and their technical advisors, through developers, contractors and landowners, to local authorities and government agencies with responsibility for policy and its implementation in this area.

Groundwater use is of fundamental importance to meet the rapidly expanding urban, industrial and agricultural water requirements in (semi) arid areas. Quantifying the current rate of groundwater recharge and define its variability in space and time are thus prerequesites for efficient groundwater resource managment in these regions, where such resources are often the key to economic development. Attention focuses on recharge of phreatic aquifers, often the most readily-available and affordable source of water in (semi) arid regions. These aquifers are also the most susceptible to contamination, with the recharge rate determining their level of vulnerability. (Semi) arid zone recharge can be highly variable, the greater the aridity, the smaller and potentially more variable the natural flux. Its determination is an iterative process, involving progressive data collection and resource evaluation; there is also a need to use more than one technique to verify results. Direct, localised and indirect recharge mechanisms from a spectrum of known sources are addressed in the framework of recharge from precipitation, intermittant flow and permanent water bodies. The approach taken for each of these reflects the nature and current understanding of the processes involved. The volume also reviews current recharge estimation challenges, outlines recent developments and offers guidance for potential solutions.

Understanding the issues that have been encountered at other sites, and the steps that have led to successful resolution of these issues, can provide great help to those considering, planning, or implementing new groundwater recharge projects. Recent technical advances and operational experience have demonstrated that well recharge is a feasible and cost effective method of artificially recharging natural aquifers. This practical guide reviews the technical constraints and issues that have been addressed and resolved through research and experience at many sites. The book presents aquifer storage recovery (ASR) technology and traces its evolution over the past 25 years in the United States. Procedures for groundwater recharge are presented, and selected case studies are examined. Drinking water quality standards and conversion factors are provided in the appendix for easy reference.

This monograph provides an overview of the principles required for a service orientation in the management of irrigation and drainage systems. The material covered is designed to emphasize an area largely neglected in the irrigation and drainage management literature. The dominating philosophy underlying this book is that irrigation and drainage systems must be managed as a service business responsive to the needs and changing requirements of its customers. It is postulated that this service approach to the management of irrigation and drainage systems consitutes a key element of the startegy that is needed to improve the current level of performance of many irrigation and drainage systems worldwide. Enhanced performance of irrigation is a prerequisite if we are to face the enormous challenge of producing greater quantities of food to meet the demand of a growing population. This is particularly the case in an environment with increasing competition for water from industry and urban water users, set against mounting concerns about environmental sustainability.

A manual on the development and reconstruction of coastal fishing areas. Coverage ranges from design conditions, through use of tidal currents for sea water flow, to improvement of water quality and breeding facilities.