water resources Articles

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Frac Water Recycling White Paper

by Anguil Environmental Systems, Inc.  (Aug. 21, 2014)

Balancing the risk of well damage with the economic benefits of frac wastewater reuse can be difficult.  In conjunction with Environmental Daily Advisor, Anguil Aqua Systems has sponsored a detailed report which answers some of the tough questions about fracking and water use.   ...

Water Resources: An Evolving Landscape

by International Water Resources Association (IWRA)  (Jul. 14, 2014)

This chapter presents the history of thinking on water resources and how it has evolved over time. It analyzes paradigms proposed by the international community during the last half century in light of their decisive influence on the content (though not the implementation) of water policies in virtually all developed and developing countries. ...

Roadmap for Sustainable Water Resources in Southwestern North America

by IWA Publishing  (Jul. 8, 2014)

The management of water resources in arid and semiarid areas has long been a challenge, from ancient Mesopotamia to the modern southwestern United States. As our understanding of the hydrological and climatological cycles has improved, and our ability to manipulate the hydrologic cycle has increased, so too have the challenges associated with ...

Water Savers

by Ensia  (Aug. 21, 2014)

With record-breaking droughts, rising temperatures and more than half of the United States population living in cities with vulnerable water supplies, water scarcity has gone from distant doomsday scenario to a natural resource reality. But at 98 gallons of water per person, the United States’ daily water use is among the highest of any ...

Molecular characterization of dissolved organic matter in various urban water resources using Orbitrap Fourier transform mass spectrometry

by IWA Publishing  (Aug. 6, 2014)

Molecular-level characterization of dissolved organic matter (DOM) in different urban water resources (river water, groundwater, reclaimed water, and rainwater) was performed by Orbitrap Fourier transform mass spectrometry (FT-MS). The mass spectra, which were fingerprints of DOM composition, were clearly different among samples. Based on ...

A regional competitive water resources security evaluation model based on Nash equilibrium restrictions

by IWA Publishing  (Jul. 30, 2014)

Traditional water security evaluation methods usually use a unified weight to compose index values, which cannot fully reflect the weight preferences of each of the assessor objects themselves. A regional competitive water resources security evaluation model based on the restrictions of the Nash equilibrium as a binding condition of the Technique ...

Water Reuse and Conservation

by IWA Publishing  (Aug. 26, 2014)

According to the UNEP (United Nations Environment Program, Global Environment Outlook 3, 2002), the total volume of water on earth is about 1,400 million cubic km (kilometers), of which, only 2.5 per cent, or about 35 million cubic km, is freshwater. Most freshwater is locked up in glaciers, or in deep groundwater aquifers. The usable portion of ...

Denmark’s Near-Zero-Waste Wonder

by Ensia  (Jul. 21, 2014)

Has this Danish community found the formula for environmentally friendly industry? When we look closely at systems in nature — coral reefs or rainforests, for instance — we see something we don’t often see in human systems: mutually beneficial relationships and energy flows among the various elements, such as air, water, rocks, ...

Managing Great Lakes Water Levels Adaptively in Response to Changing Climate Conditions

by LimnoTech Inc.  (Jul. 1, 2014)

The Laurentian Great Lakes contain an abundance of fresh water, collectively representing approximately 20% of the fresh surface water available globally. Despite the enormity of this resource, water levels and flows in the Great Lakes are subject to fluctuations caused by changing climate conditions that have cascading impacts on the coastal ...

Reducing Energy`s Water Footprint, Driving a Sustainable Energy Future

by IWA Publishing  (Jun. 16, 2014)

Water is an essential natural resource that impacts all aspects of life: Clean and abundant supplies of water are vital for supporting the production of food, public health, industrial and energy development, and a healthy environment. Water is an integral part of energy extraction, production, and generation. It is used directly in hydroelectric ...

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