water conservation Articles
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The politics of water conservation: identifying and overcoming barriers to successful policies
Policies that increase the reliance of a water-supply organization (WSO) on water conservation have economic and environmental benefits, but some cities and WSOs have been reluctant to pursue such policies to their full extent. Previous research has identified barriers such as WSOs’ concerns with revenue loss and consumers’ concerns with changes in lifestyle. Based on interviews in four US ...
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Water conservation education as a tool to empower water users to reduce water use
There is a finite supply of global fresh water available for human consumption, which is in great demand from both humans and the environment. As technology and populations increase, so do the demands and pressure on this limited resource. Demand far too often outstrips supply, requiring authorities to impose restrictions on water use. Recent research undertaken by Rand Water, in the Rand ...
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Well Field Puts Growth On Track in Central Utah
Drillers know they make an impact, but that doesn’t usually mean helping to supply water for hundreds of thousands of people. Steven Bryan sensed the scope of the Central Utah Water Conservancy District project when he got the call. Working the project, which involves several 24-inch wells that will supply a swath of central Utah, only confirmed the impact. View the full article on ...
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Water conservation and demand management potential in southern Africa: an untapped river
With a population of 190 million, half of whom do not have access to adequate water services, and a climate prone to droughts and floods, the southern Africa region faces an enormous challenge in how to allocate, use and protect its limited water resources. Like many regions around the world, little effort has been given in the past to utilising water in an efficient manner, despite the critical ...
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Water conservation in the Gulf Cooperation Council countries: a decision support system approach
Freshwater sources are very limited in the Gulf Cooperation Council (GCC) countries. Their capital abundance and coastal locations enabled them to produce freshwater through desalination and supply water to customers at highly subsidised price. However, due to the sharp increase in population and misuse of freshwater, there are shortages in water supply. The GCC countries need to take appropriate ...
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Efficient water conservation in agriculture for growing urban water demands in Jordan
A significant worldwide challenge is to increase the food supply to accommodate a population growing to 9,000,000,000 in the face of climate change. Per capita water supply in Jordan is among the world's lowest. Despite this scarcity, three-quarters of Jordan's water use is consumed by irrigated agriculture, while producing low economic values from additional water used compared to urban uses. ...
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Waste Not, Want Not: The Potential for Urban Water Conservation in California
Executive Summary The largest, least expensive, and most environmentally sound source of water to meet California’s future needs is the water currently being wasted in every sector of our economy. This report, “Waste Not, Want Not,” strongly indicates that California’s urban water needs can be met into the foreseeable future by reducing water waste through cost-effective water-saving ...
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Integrated water resource planning in the context of climate uncertainty
In many locations, climate change may significantly reduce urban water supplies and could also affect water demand. With uncertainty around future climate, supply-demand planning needs to adapt. This paper addresses the question: How does climate change alter Integrated Resource Planning (IRP) for urban water? The paper covers the setting of planning objectives in the face of climate change, ...
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Agricultural water conservation and efficiency in California: a special focus on the Delta
The Sacramento-San Joaquin Delta is a critical resource. Almost half of the water used for California’s agriculture comes from rivers that once flowed to the Delta and more than half of Californians rely on water conveyed through the Delta for at least some of their water supply. The Delta also provides habitat for 700 native plant and animal species. This important region is now in a serious, ...
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Tapped out: how can cities secure their water future?
Cities around the world are struggling to access additional water supplies to support their continued growth because their freshwater sources are becoming exhausted. Half of all cities with populations greater than 100,000 are located in water-scarce basins, and in these basins agricultural water consumption accounts for more than 90% of all freshwater depletions. In this paper we review ...
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Pressure Transients and Water Conservation In a Time of Drought
With water supply at a premium and pipelines deteriorating, drinking water utilities must do all they can to preserve their existing assets. Steinbeck may have been writing of the miseries of the Depression-era Oklahoma Dust Bowl, but the challenges of drought are anything but historical for many. With areas of the western U.S. registering “D4 – Exceptional Drought”,1 pending ...
By Syrinix Ltd
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Water Recycling Home Page
Recycled Water as a Valuable Resource In many parts of the World, freshwater supplies are limited. Rainfall and river flows are often seasonal and intermittent. Growing water needs are causing increased competition for available supplies. In some regions, the amount of water available is being reduced by global warming and climate change. Until recently, most of the water used for human ...
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Assessment of the feasibility of floodwater utilization in North-East China
In order to alleviate the water supply–demand problem, a flood resource utilization strategy is proposed, called ‘Flood Utilization’. The strategy focuses on building large-scale water conservancy facilities and improving management measures. This paper presents the probability analysis of floodwater utilization in a confluence area, where a tributary joins a main river. Baicheng is used as ...
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Energy implications of the millennium drought on urban water cycles in Southeast Australian cities
During the Millennium Drought in Australia, a wide range of supply-side and demand-side water management strategies were adopted in major southeast Australian cities. This study undertakes a time-series quantification (2001–2014) and comparative analysis of the energy use of the urban water supply systems and sewage systems in Melbourne and Sydney before, during and after the drought, and ...
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Exploring the effects of domestic water management measures to water conservation attitudes using agent based modelling
The urban water system's sustainable evolution requires managing both water supply and water demand within a complete urban water cycle framework. Such an approach, however, requires tools to analyse and simulate the complete system including both physical and cultural environments. One of the main challenges, in this regard, is the design and development of tools able to simulate the ...
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Water and energy futures for Melbourne: implications of land use, water use, and water supply strategy
This paper quantifies the effect of three policy levels on the water and energy futures of Melbourne, Australia. During a time of severe water shortages attributed to climate change, water strategies lacked consideration of energy consequences. Modeling, guided by urban metabolism theory, demonstrated that a compact urban form, reduced water consumption by 90 GL/a, compared with a sprawling ...
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Development and testing of a water-efficient laundry system in informal settlements of eThekwini municipality, South Africa
In the informal settlements of eThekwini municipality, South Africa, laundry activities are typically undertaken at local standpipes and washbasins of community ablution blocks (CABs), and are characterised by high levels of water consumption and greywater production. Since greywater contains a high pollution load, including sodium tripolyphosphate, it poses a significant environmental and public ...
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Water for Cooling Thermoelectric Power Plants in the Great Lakes Basin is an Undervalued Resource
Water availability is critical to power generation: Without access to adequate amounts of water for cooling, power plants that rely on heat energy to generate electricity cannot operate. In the U.S., population growth and increasing incidents of drought are challenging the sustainability of water supplies needed for power generation. In the face of potential water shortages caused by increased ...
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Quantification of the adverse effects of drought caused by water supply restrictions considering the changes in household water consumption characteristics
The volume of urban water used in Japan has been gradually declining in recent years because of the increase in water saving appliances and water saving behaviours. Changes in household water consumption characteristics affect the extent of the adverse effects caused when water supply restrictions are imposed. These changes must be reflected in reservoir operation plans in times of drought and ...
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Climate-readiness, competition and sustainability: an analysis of the legal and regulatory frameworks for providing water services in Sydney
This paper examines whether key legislative and regulatory frameworks for the provision of water services in Sydney, Australia, successfully support the complex task of planning and managing urban water systems to balance water security, cost and sustainability considerations. The challenges of managing urban water systems under a changing and uncertain climate became starkly apparent during ...
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