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Books > Professional & Technical > Environmental engineering & technology > Sanitary & municipal engineering

Hydraulic and Operational Performance of Irrigation Schemes in View of Water Saving and Sustainability - Sugar Estates and... Hydraulic and Operational Performance of Irrigation Schemes in View of Water Saving and Sustainability - Sugar Estates and Community Managed Schemes in Ethiopia (Hardcover)
Zeleke Agide Dejen
R3,429 Discovery Miles 34 290 Ships in 12 - 17 working days

The rate of global increase in water abstraction for irrigation has been declining since the 1970's due to declining potentials for large and medium-scale irrigation developments, and is expected to further decline in the next decades. As such the significant proportion of the expected increase in production would have to be supplied from existing irrigated and /or cultivated lands. This in turn could be achieved by enhancing land and water productivity through improved performance and optimal operation and maintenance. With less than 15% of over 5 million ha irrigation potential harnessed, irrigation devolvement in Ethiopia remained low. Over 70% of the developed irrigation in the country belongs to small-scale irrigation serving smallholder farmers. While accelerated development of new irrigation, particularly of large and medium-scale schemes is relevant in Ethiopia, ensuring the performance and sustainability of existing schemes is also equally important. The existing irrigation schemes in Ethiopia are generally characterized by an overall performance and technical sustainability levels of below expectation. This thesis evaluates the performance of two large-scale (Wonji-Shoa and Metahara) and two community-managed (Golgota and Wedecha) irrigation schemes located in the Awash River Basin of Ethiopia. The study focussed on hydraulic/water delivery performance in the large-scale schemes, and on comparative and internal irrigation service (utility) evaluation in the community-managed schemes. Water delivery performance was evaluated using routine data and hydrodynamic modelling. Farmers' utility was evaluated using qualitative responses of water users. Major performance challenges in each category of schemes were addressed and operational/water management options for improvement were identified.

Hydrological Drought Forecasting in Africa at Different Spatial and Temporal Scales (Hardcover): Patricia M. Trambauer... Hydrological Drought Forecasting in Africa at Different Spatial and Temporal Scales (Hardcover)
Patricia M. Trambauer Arechavaleta
R3,429 Discovery Miles 34 290 Ships in 12 - 17 working days

Africa has been severely affected by droughts in the past, contributing to food insecure conditions in several African countries. In view of the (even more) severe drought conditions and water shortage that may be expected in sub-Saharan Africa in the coming years, efforts should focus on improving drought management by ameliorating resilience and preparedness to drought. This study contributes to the development of a modelling framework for hydrological drought forecasting in sub-Saharan Africa as a step towards an effective early warning system. The proposed hydrological drought forecasting system makes use of a hydrological model that was found to be suitable for drought forecasting in Africa and could represent the most severe past droughts in the Limpopo Basin. The modelling results showed that there is an added value in computing indicators based on the hydrological model for the identification of droughts and their severity. The proposed seasonal forecasting system for the Limpopo Basin was found to be skilful in predicting hydrological droughts during the summer rainy season. The findings showed that the persistence of the initial hydrological conditions contribute to the predictability up to 2 to 4 months, while for longer lead times the predictability of the system is dominated by the meteorological forcing. An effective drought forecasting and warning system will hopefully contribute to important aspects in the region such as water security, food security, hazard management, and risk reduction.

Nested algorithms for optimal reservoir operation and their embedding in a decision support platform (Hardcover): Blagoj... Nested algorithms for optimal reservoir operation and their embedding in a decision support platform (Hardcover)
Blagoj Delipetrev
R4,726 Discovery Miles 47 260 Ships in 12 - 17 working days

Reservoir operation is a multi-objective optimization problem, and is traditionally solved with dynamic programming (DP) and stochastic dynamic programming (SDP) algorithms. The thesis presents novel algorithms for optimal reservoir operation, named nested DP (nDP), nested SDP (nSDP), nested reinforcement learning (nRL) and their multi-objective (MO) variants, correspondingly MOnDP, MOnSDP and MOnRL. The idea is to include a nested optimization algorithm into each state transition, which reduces the initial problem dimension and alleviates the curse of dimensionality. These algorithms can solve multi-objective optimization problems, without significantly increasing the algorithm complexity or the computational expenses. It can additionally handle dense and irregular variable discretization. All algorithms are coded in Java and were tested on the case study of the Knezevo reservoir in the Republic of Macedonia. Nested optimization algorithms are embedded in a cloud application platform for water resources modeling and optimization. The platform is available 24/7, accessible from everywhere, scalable, distributed, interoperable, and it creates a real-time multiuser collaboration platform. This thesis contributes with new and more powerful algorithms for an optimal reservoir operation and cloud application platform. All source codes are available for public use and can be used by researchers and practitioners to further advance the mentioned areas.

Bioreduction of Selenite and Tellurite by Phanerochaete Chrysosporium (Hardcover): Erika Jimena Espinosa-Ortiz Bioreduction of Selenite and Tellurite by Phanerochaete Chrysosporium (Hardcover)
Erika Jimena Espinosa-Ortiz
R4,870 Discovery Miles 48 700 Ships in 12 - 17 working days

Selenium (Se) and tellurium (Te) are metalloids of commercial interest due to their physicochemical properties. The water soluble oxyanions of these elements (selenite, selenate, tellurite and tellurate) exhibit high toxicities; hence, their release in the environment is of great concern. This study demonstrates the potential use of fungi as Se- and Te-reducing organisms. The response of Phanerochaete chrysosporium to the presence of selenite and tellurite was evaluated, as well as its potential application in wastewater treatment and production of nanoparticles. Growth stress and morphological changes were induced in P. chrysosoporium when exposed to selenite and tellurite. Synthesis of Se0 and Te0 nanoparticles entrapped in the fungal biomass was observed, as well as the formation of unique Se0-Te0 nanocomposites when the fungus was cultivated concurrently with Se and Te. The response of P. chrysosporium to selenite exposure was investigated in different modes of fungal growth (pellets and biofilm). A bioprocess for selenite removal and Se0 nanoparticles recovery using an up-flow fungal pelleted reactor was developed. 70% selenite removal (10 mg Se L-1 d-1) was achieved under continuous mode. The use of Se0 nanoparticles immobilized in P. chrysosporium pellets as a new sorbent material for the removal of heavy metals from wastewater was demonstrated.

Controlling Biofouling in Seawater Reverse Osmosis Membrane Systems (Hardcover): Nirajan Dhakal Controlling Biofouling in Seawater Reverse Osmosis Membrane Systems (Hardcover)
Nirajan Dhakal
R4,879 Discovery Miles 48 790 Ships in 12 - 17 working days

Seawater desalination is a rapidly growing coastal industry that is increasingly threatened by algal blooms. Depending on the severity of algal blooms, desalination systems may be forced to shut down because of clogging and/or poor feed water quality. To maintain stable operation and provide good feed water quality to seawater reverse osmosis (SWRO) systems, ultrafiltration (UF) pre-treatment is proposed. This research focused on assessing the ability of UF and other pre-treatment technologies to reduce biofouling in SWRO systems. An improved method to measure bacterial regrowth potential (BRP) was developed and applied at laboratory, pilot and full scale to assess the ability of conventional UF (150 kDa) and tight UF (10 kDa) alone and in combination with a phosphate adsorbent to reduce regrowth potential and delay the onset of biofouling in SWRO. The improved bacterial regrowth potential method employs a natural consortium of marine bacteria as inoculum and flow cytometry. The limit of detection of the BRP method was lowered to 43,000 +/- 12,000 cells/mL, which is equivalent to 9.3 +/- 2.6 g-Cglucose/L. The reduction in bacterial regrowth potential after tight UF (10 kDa) was 3 to 4 times higher than with conventional UF (150 kDa). It was further reduced after the application of a phosphate adsorbent, independent of pore size of the UF membrane. Pilot studies demonstrated that the application of tight UF (10 kDa) coupled with a phosphate adsorbent consistently lowered the bacterial regrowth potential and no feed channel pressure drop increase was observed in membrane fouling simulators (MFS) over a period of 21 days. The study also showed that non-backwashable fouling of UF membranes varied strongly with the type of algal species and the algal organic matter (AOM) they release. The presence of polysaccharide (stretching -OH) and sugar ester groups (stretching S=O) was the main cause of non-backwashable fouling. In conclusion, this study showed that an improved BRP method is suitable for the assessment of SWRO pre-treatment systems and it can be a useful tool to develop potential strategies to mitigate biofouling and improve the sustainability of SWRO systems.

Pathogen removal using saturated sand columns supplemented with hydrochar (Hardcover): Jae Wook Chung Pathogen removal using saturated sand columns supplemented with hydrochar (Hardcover)
Jae Wook Chung
R2,218 Discovery Miles 22 180 Ships in 12 - 17 working days

Lack of clean water is one of the most important public health challenges in less developed communities. Due to insufficient financial and technical resources in places in need, development of low-cost water treatment technologies can play a key role in sustainable water provision. In this context, this PhD research investigated the removal of pathogenic microorganisms in simple sand filtration set-ups supplemented with low-cost adsorbents (hydrochar) produced via hydrothermal carbonization of biowastes. Two types of hydrochar, derived from hydrothermal carbonization of agricultural residue of maize and stabilized sewage sludge from wastewater treatment plant, were evaluated as adsorbents for Escherichia coli removal in saturated sand columns. The removal efficiency of sand columns amended with these adsorbents improved from 20-70% to ~90 % by alkali activation carried out in room temperatures using 1 M potassium hydroxide solution. This PhD research also demonstrates the removal of human pathogenic viruses in sand columns supplemented with hydrochar adsorbents derived from stabilized sewage sludge and fresh swine waste. In order to enumerate human pathogenic rotavirus and adenovirus in virus removal experiments, low-cost polymerase chain reaction assays were developed under this PhD study. These assays show a competent performance in analyzing virus concentrations in both laboratory and environmental samples. Amendment with either hydrochar (without alkali activation) in sand columns was able to remove more than 99% of both viruses.

Analytical Framework for Integrated Water Resources Management - IHE monographs 2 (Paperback, Student): Paul van Hofwegen,... Analytical Framework for Integrated Water Resources Management - IHE monographs 2 (Paperback, Student)
Paul van Hofwegen, Frank G.W. Jaspers
R1,811 R1,567 Discovery Miles 15 670 Save R244 (13%) Ships in 12 - 17 working days

This monograph provides a framework and guidelines for the assessment of institutional frameworks for integrated water resources management (IWRM). The framework and guidelines were developed to enable expert teams of the Inter-American Development Bank to incorporate capacity-building considerations into water-related projects. The framework and guidelines were tested in four countries with different physical, social and economic environments in Latin America and the Caribbean. Using this framework, it is possible to identify shortcomings in existing water management arrangements and to formulate interventions at and between the constitutional, organizational, and operational levels. To guide the formulation of interventions, an ideal IWRM situation is formulated. Due to the temporal and spatial specificity, a desired IWRM situation is formulated in a process which consists of ten operational steps. This process is based on an extensive consultation and participation of all relevant stakeholders. The fields of interventions concern awareness creation, policy development, legal and financial arrangements, human resources development and management information and decision support systems.

Wastewater Treatment by a Natural Wetland: the Nakivubo Swamp, Uganda - Processes and Implications (Paperback): Frank Kansiime,... Wastewater Treatment by a Natural Wetland: the Nakivubo Swamp, Uganda - Processes and Implications (Paperback)
Frank Kansiime, Maimuna Nalubega
R4,305 Discovery Miles 43 050 Ships in 12 - 17 working days

Uganda's Nakivubo swamp has been receiving wastewater from Kampala for over 30 years and consists of a floating root mat. It's potential to remove nutrients and pathogens from wastewater in a sustainable way, while maintaining ecological quality and biodiversity, is investigated in this work.

Environmental, Safety & Health Engineering (Hardcover): G Woodside Environmental, Safety & Health Engineering (Hardcover)
G Woodside
R4,472 Discovery Miles 44 720 Ships in 10 - 15 working days

A complete guide to environmental, safety, and health engineering, including

  • An overview of EPA and OSHA regulations
  • Principles of environmental engineering, including pollution prevention, waste and wastewater treatment and disposal, environmental statistics, air emissions and abatement engineering, and hazardous waste storage and containment
  • Principles of safety engineering, including safety management, equipment safety, fire and life safety, process and system safety, confined space safety, and construction safety
  • Principles of industrial hygiene/occupational health engineering, including: chemical hazard assessment, personal protective equipment, industrial ventilation, ionizing and nonionizing radiation, noise, and ergonomics
Water Well Rehabilitation - A Practical Guide to Understanding Well Problems and Solutions (Hardcover): Neil Mansuy Water Well Rehabilitation - A Practical Guide to Understanding Well Problems and Solutions (Hardcover)
Neil Mansuy
R4,009 Discovery Miles 40 090 Ships in 12 - 17 working days

Well rehabilitation techniques have been the focus of major advancements in recent times. Environmental engineers can keep pace with those changes with the book Water Well Rehabilitation.
Written from a microbiological viewpoint, the text outlines proven solutions to production problems in all types of wells.
That perspective frequently yields new ideas and concepts, contrary to prevalent thoughts in mainstream literature on the subject. This is especially true in discussion of iron related bacterial sources, and details concerning unsafe bacterial samples and the contamination of wells.

Analytical Framework for Integrated Water Resources Management - IHE monographs 2 (Hardcover): Paul van Hofwegen, Frank G.W.... Analytical Framework for Integrated Water Resources Management - IHE monographs 2 (Hardcover)
Paul van Hofwegen, Frank G.W. Jaspers
R2,818 Discovery Miles 28 180 Ships in 12 - 17 working days

This monograph provides a framework and guidelines for the assessment of institutional frameworks for integrated water resources management (IWRM). The framework and guidelines were developed to enable expert teams of the Inter-American Development Bank to incorporate capacity-building considerations into water-related projects. The framework and guidelines were tested in four countries with different physical, social and economic environments in Latin America and the Caribbean. Using this framework, it is possible to identify shortcomings in existing water management arrangements and to formulate interventions at and between the constitutional, organizational, and operational levels. To guide the formulation of interventions, an ideal IWRM situation is formulated. Due to the temporal and spatial specificity, a desired IWRM situation is formulated in a process which consists of ten operational steps. This process is based on an extensive consultation and participation of all relevant stakeholders. The fields of interventions concern awareness creation, policy development, legal and financial arrangements, human resources development and management information and decision support systems.

Treatment of Petroleum Refinery Wastewater with Constructed Wetlands (Paperback): Hassana Ibrahim Mustapha Treatment of Petroleum Refinery Wastewater with Constructed Wetlands (Paperback)
Hassana Ibrahim Mustapha
R2,745 Discovery Miles 27 450 Ships in 12 - 17 working days

Pollution of waterbodies and the environment by petroleum industry is of particular concern in Nigeria. This problem can be addressed by the application of constructed wetlands (CWs) which is a nature-based system that is simple to construct, have low operational and maintenance costs in terms of supply of energy and its periodic maintenance. The application of CWs in Nigeria for polishing of petroleum refinery wastewater is an unprecedented research. This PhD thesis focused on some specific objectives which were characterization of treated secondary refinery wastewater, design, construction, operation and monitoring of planted (T. latifolia, C. alternifolius and C. dactylon) and unplanted vertical subsurface flow, horizontal subsurface flow and hybrid CWs for the removal of suspended solids, nutrients, heavy metals, organic matter and organic pollutants. The CWs effectively treated the petroleum contaminated wastewater to effluent compliance limits. In this study, T. latifolia planted CWs had consistently higher removal efficiencies for all the measured parameters than C. alternifolius and C. dactylon planted CW systems. Therefore, in order to improve the wastewater quality discharged by Kaduna Refining and Petrochemical Company (KRPC) Nigeria, meet stringent guidelines and protect the recipient streams, installation of CWs at the effluent discharge point of KRPC is strongly recommended.

A Water Quality Assessment of the Former Soviet Union (Hardcover, illustrated edition): Vitaly Kimstach, Michel Meybeck,... A Water Quality Assessment of the Former Soviet Union (Hardcover, illustrated edition)
Vitaly Kimstach, Michel Meybeck, Ellysar Baroudy
R7,962 Discovery Miles 79 620 Ships in 12 - 17 working days

This volume deals with water quality issues drawing on examples from around the former Soviet Union. It commences by providing the background to the natural water resources and composition of surface and ground waters of the former Soviet Union and then proceeds to examine the influence of human activity on those resources and water quality systems. With unique material not previously available in English, the text presents detailed analyses of generic problems and possible solutions applicable beyond the former Soviet Union. It covers: salinization, eutrophication and acidification; heavy metal, organic and microbial pollution; ecological state of water bodies; water quality monitoring systems in the former USSR; and impact of pollution on fisheries. With more than 200 line illustrations and tables, the long term detailed case studies of the Lower Don Basin, the Amy Darya river, the Rybinsk reservoir, the Dnieper river, Lakes Baikal and Ladoga, and water resources in Moscow and the Moscow region, should enable valuable lessons in environmental management to be learnt. The text should be a valuable source of information and case studies for professionals in government, national and

Fresh Water Pollution Dynamics and Remediation (Hardcover, 1st ed. 2020): Humaira Qadri, Rouf Ahmad Bhat, Mohammad Aneesul... Fresh Water Pollution Dynamics and Remediation (Hardcover, 1st ed. 2020)
Humaira Qadri, Rouf Ahmad Bhat, Mohammad Aneesul Mehmood, Gowhar Hamid Dar
R4,642 Discovery Miles 46 420 Ships in 10 - 15 working days

Freshwater is a finite resource and is being deteriorated directly and indirectly by anthropogenic pressures. Preserving the quality and availability of freshwater resources is becoming one of the most pressing environmental challenges on the international horizon. To ensure the preservation as well as availability of freshwater resources, there is a need to understand the ecology of the freshwater systems, pollution problems, their impacts, restoration techniques to be opted and the conservation measures. In this backdrop the present book on 'Freshwater Pollution Dynamics and Remediation' has been compiled. The book provides an understanding about the present state of art, pollution impacts including the changes in the environmental quality as well as the shift in the aquatic biological communities of the fragile freshwater ecosystems. Besides, the impact of deteriorating quality of the freshwater ecosystems on the animal and human health is also discussed in detail. This book provides a comprehensive account of the techniques based on updated research in biotechnology, bio-remediation, phyto-remediation and nano-bioremediation. The role of biosorpers and biofilms as a remediation tool has also been detailed. The book is a ready reference for researchers, scientists and educators who are involved in the freshwater pollution, remediation and management studies. The book editors with an expertise in diverse research fields in freshwater ecosystems have congregated the most inclusive research accounts on the freshwater pollution and remediation and thus developed a repository of diverse knowledge on the subject

Applied Math for Water Plant Operators - Workbook (Hardcover): Joanne K. Price Applied Math for Water Plant Operators - Workbook (Hardcover)
Joanne K. Price
R5,601 Discovery Miles 56 010 Ships in 12 - 17 working days

This workbook is a companion to Applied Math for Water Plant Operators (ISBN: 9780877628743) and part of the Applied Math for Water Plant Operators Set (ISBN: 9781566769884). It contains self-teaching guides for all water treatment calculations, skill checks, hundreds of worked examples, and practice problems.

Routledge Spanish Dictionary of Environmental Technology Diccionario Ingles de Tecnologia Medioambiental -... Routledge Spanish Dictionary of Environmental Technology Diccionario Ingles de Tecnologia Medioambiental - Spanish-English/English-Spanish (Hardcover)
Miguel A. Gaspar Paricio
R11,642 Discovery Miles 116 420 Ships in 12 - 17 working days

This dictionary provides some 40,000 terms and references in all the major areas in the field, including: Air Pollution and Air Quality Control - Environmental Policy - Noise Pollution - Soil Contamination and Remediation - Water Pollution & Waste Water Treatment - Water Supply and Drinking Water - and many others.

Water, Creativity and Meaning - Multidisciplinary Understandings of Human-Water Relationships (Hardcover): Liz Roberts,... Water, Creativity and Meaning - Multidisciplinary Understandings of Human-Water Relationships (Hardcover)
Liz Roberts, Katherine Phillips
R4,304 Discovery Miles 43 040 Ships in 12 - 17 working days

At a time of great turmoil and crisis, environmentally, socially and politically, water has emerged as a topic of huge global concern. Moreover, many argue that what is needed in order to change our relationship with the environment is a cultural paradigm shift. To this end, this volume brings together diverse approaches to exploring human relationships with the watery world and the other living things that rely upon it. Through exploring multiple creative ways of engaging with water and people, the volume adds to the current zeitgeist of writing about water by expanding the discussion about this vital substance and how, as humans, we relate to it. Chapters focus on creative explorations and explorations of creativity in relation to developing these understandings, including concepts such as hydrocitizenship and responses to drought and flooding. Drawing on the in-depth research and experience of arts practitioners including participatory artists, as well as academics from a variety of fields including geography, anthropology, health studies and environmental humanities, the book provides a rich and multidisciplinary perspective on water and creative ways of engaging and understanding human-water relationships. It represents a valuable source and inspiration for academics, arts practitioners and those involved in environmental policy and governance.

Modelling and Analysis of Fine Sediment Transport in Wave-Current Bottom Boundary Layer (Paperback): Liqin Zuo Modelling and Analysis of Fine Sediment Transport in Wave-Current Bottom Boundary Layer (Paperback)
Liqin Zuo
R2,556 Discovery Miles 25 560 Ships in 12 - 17 working days

The evolution and utilization of estuarine and coastal regions are greatly restricted by sediment problems. This thesis aims to better understand fine sediment transport under combined action of waves and currents, especially in the wave-current bottom boundary layer (BBL). Field observations, experimental data analysis, theoretical analysis and numerical models are employed. Silt-dominated sediments are sensitive to flow dynamics and the suspended sediment concentration (SSC) increase rapidly under strong flow dynamics. This research unveils several fundamental aspects of silty sediment, i.e., the criterion of the incipient motion, the SSC profiles and their phase-averaged parameterization in wave-dominated conditions. An expression for sediment incipient motion is proposed for silt-sand sediment under combined wave and current conditions. A process based intra-wave 1DV model for flow-sediment dynamics near the bed is developed in combined wave-current conditions. The high concentration layer (HCL) was simulated and sensitivity analysis was carried out by the 1DV model on factors that impact the SSC in the HCL. Finally, based on the 1DV model, the formulations of the mean SSC profile of silt-sand sediments in wave conditions were proposed. The developed approaches are expected to be applied in engineering practice and further simulation.

Chemistry of Water Treatment (Hardcover, 2r.e.): Samuel D. Faust, Osman M. Aly Chemistry of Water Treatment (Hardcover, 2r.e.)
Samuel D. Faust, Osman M. Aly
R6,541 Discovery Miles 65 410 Ships in 12 - 17 working days

This second edition demonstrates how chemistry influences the design of water treatment plants and how it should influence the design.
Historically, water treatment plants have been designed from hydraulic considerations with little regard to chemical aspects. The many chemical reactions used for removal of pollutants from water simply cannot be forced to occur within current designs. This book re-examines this traditional approach in light of today's water quality and treatment.
Will current water treatment processes be sufficient to meet future demands or will new processes have to be devised? Chemistry of Water Treatment assesses the chemical and physical efficacies of current processes to meet the demands of the Safe Drinking water Act, providing expert information to persons responsible for the production of potable water into the next century.

Sustainable Management for Dams and Waters (Paperback): William R. Jobin Sustainable Management for Dams and Waters (Paperback)
William R. Jobin
R4,297 Discovery Miles 42 970 Ships in 12 - 17 working days

Category
Ecology
Subcategories
Civil Engineering/Water Pollution/Public Health

Municipal Sewage Sludge Management - A Reference Text on Processing, Utilization and Disposal, Second Edition, Volume IV... Municipal Sewage Sludge Management - A Reference Text on Processing, Utilization and Disposal, Second Edition, Volume IV (Hardcover, 2 Revised Edition)
Cecil Lue-Hing; Series edited by Wesley Eckenfelder
R4,629 R4,334 Discovery Miles 43 340 Save R295 (6%) Ships in 12 - 17 working days

FROM THE PREFACE
This textbook explains and discusses many of the unit operations used for processing municipal sewage sludge. It also contains valuable information on the available methods for final disposition of this sludge. This textbook can be used for planning, designing, and implementing municipal sewage sludge management projects.

Water Management Innovations in England (Paperback): Lyle E. Craine Water Management Innovations in England (Paperback)
Lyle E. Craine
R1,123 Discovery Miles 11 230 Ships in 12 - 17 working days

As pressures on water resources have increased, problems of water quality have claimed high priority in national concern and governmental policy. In this book, first published in 1969, Lyle E. Craine describes how Great Britain enacted new governmental procedures for studying, planning, and executing water management programmes. Although the physical and social characteristics of the United States' water resources problems differ from those of England, this analysis of the British institutional arrangements for water management suggests constructive insights for managing water resources within the individual states. This title is a valuable resource for students interested in environment and sustainability issues, national water resources problems, and government policy making.

Applied Math for Wastewater Plant Operators - Workbook (Hardcover): Joanne K. Price Applied Math for Wastewater Plant Operators - Workbook (Hardcover)
Joanne K. Price
R5,618 Discovery Miles 56 180 Ships in 12 - 17 working days

This workbook is a companion to Applied Math for Wastewater Plant Operators (ISBN: 9780877628095) and part of the Applied Math for Wastewater Plant Operators Set (ISBN: 9781566769891). It contains self-teaching guides for all wastewater treatment calculations, skill checks, hundreds of worked examples, and practice problems.

Tidal Hydraulic Engineering (Hardcover): S.N. Ghosh Tidal Hydraulic Engineering (Hardcover)
S.N. Ghosh
R2,104 R1,901 Discovery Miles 19 010 Save R203 (10%) Ships in 12 - 17 working days

The text on tidal hydraulic engineering includes discussion of: basic characterstics of tides and tidal propagation; hydrographic surveys in tidal rivers; and design considerations for tidal sluice gates for drainage and fish farms in aquaculture.

The River Dragon Has Come! - Three Gorges Dam and the Fate of China's Yangtze River and Its People (Hardcover): Dai Qing,... The River Dragon Has Come! - Three Gorges Dam and the Fate of China's Yangtze River and Its People (Hardcover)
Dai Qing, John G. Thibodeau, Michael R. Williams, Qing Dai, Ming Yi, …
R3,877 Discovery Miles 38 770 Ships in 12 - 17 working days

In the ongoing courageous struggle of a relatively small group of Chinese to prevent the completion of the Three Gorges Dam in China, Dai Qing is the outspoken leader whose eloquent voice is always heard despite threats and intimidation by the Chinese authorities to silence it. Dai Qing, an investigative journalist and author with a wide audience in China and abroad, compiled this book of essays and field reports assessing the impact of the Three Gorges megadam now under construction at Sandouping in China's Hubei province at great risk to her own freedom. This book is an effort to prevent history from repeating itself ten-fold (a reference to the great floods in 1975 during which over 60 dams collapsed and at least 100,000 people lost their lives) if the 39 billion cubic metres of water in the Three Gorges reservoir ever escapes by natural or man-made catastrophes. These comprehensive essays reveal the deep rooted problems presented by the Three Gorges project that the government is attempting to disguise or suppress. The main concerns are population resettlement and human rights, the irreversible environmental and economic impact, the loss of cultural antiquities and historical sites, military considerations, and hidden dam disasters from the past. Opponents of the dam are attempting to kill the project or at least reduce the size of the megadam now planned to be the biggest, most expensive and, incidentally, the most hazardous of all hydro-electric projects on this planet.

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