Energy consumption does not only vary by equipment type but also has a temporal dimension. If the ocean were tapped as a source of fresh water, what impact would that have on the environment? A flood is an overflow of water that submerges land that is usually dry. Read More The Research and Development Office (R&D) applies science and technology to advance the agency’s mission to manage, develop, and protect water and related resources in an environmentally and economically sound manner in the interest of the American public. GOT AN ENVIRONMENTAL QUESTION? As technologies are rapidly advancing to support retrieval of large amounts The Rio+20 outcome document, The future we want, inter alia, set out a mandate to establish an Open Working Group to develop a set of sustainable development goals for consideration and appropriate action by the General Assembly at its 68 th session. Discover world-changing science. Of course, as supplies of fresh water dwindle, the economic cost of desalinization‚ especially in coastal areas with easy access to ocean water‚ begins to look competitive with traditional water sourcing. Daily data updates are provided for exchange rates, equity markets, and emerging market bond indices. ... Social media Alumni Contact Alumni Open in new tab or window; Submit RFP 2.1 Desalination by reverse osmosis. In this chapter, the use of solar powered thermal desalination will be discussed comprehensively. "A number of compelling ideas for continuous streamflow monitoring were received," said David Raff, Reclamation’s science advisor. Certificates were awarded by the Palestinian Ambassador; His Excellency Mr. Ahmed Ramadan, to participants … 15. Some long held fresh water sources are simply no longer reliably available to hundreds of millions of people around the world. Reclamation staff and partners are working on a range water availability monitoring, forecasting, and long-term projection activities spanning from research to applications. For many Reclamation Projects, springtime means rivers swollen with snowmelt. Visit the Streamflow Monitoring Prize Competition, Desalination and Water Purification Research (DWPR) Program, Desalination & Water Purification Program, Water Avaliability: Monitoring and Forecasting, Reclamation moves five ideas forward in prize competition to help improve sediment removal in reservoirs, Reclamation awards $5.8 million to 22 laboratory and pilot-scale desalination research projects, Funding available to develop new water treatment technologies, Reclamation selects five projects in prize competition that seeks to extend the life of water infrastructure, Reclamation allocates an additional $2.8 million to develop innovative solutions for water and power management issues, Reclamation awards $75,000 for ideas that lower cost of continuous streamflow monitoring, Visit the Streamflow Monitoring Prize Competition. Read Issue >>, In this issue we spotlight Reclamation’s efforts to rapidly and reliably assess the conditions of its Port Bonython is the location of a deepwater port, gas fractionation plant and diesel storage facility west of Point Lowly in the Upper Spencer Gulf region of South Australia. All desalination processes involve three liquid streams: the saline feedwater (brackish water or seawater), low-salinity product water, and very saline concentrate (brine or reject water). Providing daily updates of global economic developments, with coverage of high income- as well as developing countries. 1. 119, 120, 121 The ability of a community to anticipate, plan for, and reduce impacts is enhanced when these efforts build on other environmental and social programs directed at sustainably and equitably addressing human needs. As such, the very proliferation of desalinization plants around the world‚ some 13,000 already supply fresh water in 120 nations, primarily in the Middle East, North Africa and Caribbean, is both a reaction to and one of many contributors to global warming. Explore our digital archive back to 1845, including articles by more than 150 Nobel Prize winners. It also provided the basis for their conceptualization. 2 hours ago — Leonard David and SPACE.com, 3 hours ago — Sara Schonhardt and E&E News. Other impacts include conflict with other users of the sea, ... the Council, the European Economic and Social Committee and the Committee of the Regions on the Implementation of the Circular Economy Action Plan. The Middle East Desalination Research Center (MEDRC) held a three day training course on Solar Desalination from the 16th till the 18th of February. Dear EarthTalk: With all the talk of desalinization of ocean water for drinking, what do we know about the impacts this might have on climate, ocean salinity and other natural processes? Only 3% of the world’s water is fresh water, and two-thirds of that is tucked away in frozen glaciers or otherwise unavailable for our use. The contest was seeking new ways to effectively and continually manage sediment in reservoirs. • Reduce costs, energy requirements, and/or environmental impacts of treating impaired and unusable water to standards necessary for an identified beneficial use. These five projects will now proceed to Phase 2 of the competition. Goal 13 - Take urgent action to combat climate change and its impacts* 14. Reclamation is interested in research where the benefits are widespread and where research has a national significance. “These projects will lead to innovative solutions for water and power challenges in the Western United States.”, Read More Box 5098, Westport, CT 06881; submit it at: www.emagazine.com/earthtalk/thisweek/, or e-mail: earthtalk@emagazine.com. Such projections can also highlight options to increase population resilience. Visit the Rust Busters Prize Competition. "This demonstrates the continued benefit of soliciting new and novel ideas from the broader public through competitions." • Improve the efficiency of the water treatment process–either by improvements to pre-treatment, post-treatment, monitoring, sensors, or other innovative process or technology. Learn about the work of the National Academies of Sciences, Engineering, and Medicine. Capacitive Deionization (CDI) has emerged over the years as a robust, energy efficient, and cost effective technology for desalination of water with a low or moderate salt content .The energy efficiency of CDI for water with a salt concentration below approximately 10 g/L is due to the fact that the salt ions, which are the minority compound in the water, are removed from the mixture. Visit the Science and Technology Program. (January 21, 2020) The Bureau of Reclamation partnered with the U.S. Geological Survey for a prize competition seeking innovative ideas to significantly reduce the cost of continuous streamflow monitoring compared to current methods while also increasing the availability of streamflow data. The Department of the Interior is delivering funding to researchers as they take an idea from the lab to a real-world demonstration, which yields products that serve the water treatment community. Beyond the links to climate problems, marine biologists warn that widespread desalinization could take a heavy toll on ocean biodiversity; as such facilities' intake pipes essentially vacuum up and inadvertently kill millions of plankton, fish eggs, fish larvae and other microbial organisms that constitute the base layer of the marine food chain. If your application is selected, you will be invited to participate in the "pitch" event on September 24 - 25, 2020. The relationship between desalinization and climate change is complex. Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at. "We are investing in desalination research across the U.S. to make it more affordable and energy efficient, giving communities access to reliable and drought-resistant water supplies.". In this issue, we highlight research related to forecasting water availability. Of the 40 potential cost-saving solutions received, five winners were selected to share a total prize pool of $75,000. The contest sought ideas to extend the life of water infrastructure by reducing corrosion, in particular rust, of its steel structures. "There is a need to reduce the cost, energy requirements and environmental impacts in treating unusable water," said Program Administrator Yuliana Porras-Mendoza. Desalination is a separation process used to reduce the dissolved salt content of saline water to a usable level. Read More But the process of desalinization burns up many more fossil fuels than sourcing the equivalent amount of fresh water from fresh water bodies. "Desalination is a tool for communities to find new sources of water to meet their needs today and into the future," said Reclamation Commissioner Brenda Burman. EarthTalk is produced by E/The Environmental Magazine. (March 3, 2020) Five projects were selected as winners for the Bureau of Reclamation's Rust Busters Stage II, Phase 1 Prize Competition. And, according to Jeffrey Graham of the Scripps Institute of Oceanography's Center for Marine Biotechnology and Biomedicine, the salty sludge leftover after desalinization for every gallon of freshwater produced, another gallon of doubly concentrated salt water must be disposed of can wreak havoc on marine ecosystems if dumped willy-nilly offshore. (March 2, 2020) The Bureau of Reclamation is providing a total of $2.8 million in additional funds to 30 new research projects through its Science and Technology Program. Several factors influence the selection of source waters to feed desalination plants: the location of the plant in relation to water sources available, the delivery destination of the treated water, the quality of the source water, the pretreatment options available, and the ecological impacts of … Applications are due by June 17, 2020, at 4:00 p.m. MDT. doi: 10.1016/j.desal.2014.12.018. Reclamation is looking for new technologies or processes to: • Reduce cost, energy, and/or environmental impacts of reverse osmosis/nanofiltration concentrate. Send it to: EarthTalk, c/o E/The Environmental Magazine, P.O. Welcome to the Spring 2021 issue of the Knowledge Stream. Applications are due by June 17, 2020, at 4:00 p.m. MDT. If the ocean were tapped as a source of fresh water, what impact would that have on the environment? (December 10, 2020) WASHINGTON – The Bureau of Reclamation has selected five projects to each receive $75,000 through phase one of the Guardians of the Reservoir prize competition. • Reduce costs, energy usage, and/or environmental impacts of seawater desalination, including intakes and/or outfalls. The analysis of energy consumption requires to also understand the periodicities of demand to evaluate the impact of demand peaks. Therefore the breakdown for different periods of time is a relevant factor in the measuring of energy consumption. To date there are about 300 desalinization plants in the United States, with 120 in Florida and less than 40 each in Texas and California. built infrastructure and natural assets to support management decisions. ... Desalination 359, 59–63. This additional funding builds on the previously announced award of a total of $8.9 million for 27 new and 114 continuing projects. The Desalination and Water Purification Research Program (DWPR) works with Reclamation researchers and partners to develop more innovative, cost-effective, and technologically efficient ways to desalinate water. For some desalinization operations, says Graham, it is thought that the disappearance of some organisms from discharge areas may be related to the salty outflow. (June 18, 2020) The Bureau of Reclamation awarded $5.8 million to 22 laboratory and pilot-scale desalination research projects to enable broader deployment of desalination and recycled water technologies. HUNTINGTON BEACH, Calif., April 9, 2021 /PRNewswire/ -- Poseidon Water today announced that the Third District California Court of Appeal issued a decision denying the petition by seawater desalination opponents to overturn the Sacramento County Superior Court's 2019 ruling upholding the California State Lands Commission's 2017 approval of an amended lease for the … Read past columns at: www.emagazine.com/earthtalk/archives.php. Accurate and reliable records from continuous streamflow monitoring stations are vital to water resources planning, design, management and research. COVID-19 impacts on global cruise industry ... air conditioning, desalination and propulsion – to maintain vessels in good shape, incurring the cost of maintenance even when not sailing. In the sense of "flowing water", the word may also be applied to the inflow of the tide.Floods are an area of study of the discipline hydrology and are of significant concern in agriculture, civil engineering and public health. Some 20 additional plants are planned for the coast of California in the coming years, unless environmentalists extolling the virtues of conservation and wielding low-flow shower heads and toilets prevail. Meanwhile, expanding populations in desert areas are putting intense pressure on existing fresh water supplies, forcing communities to turn to desalinization as the most expedient way to satisfy their collective thirst. The Impacts of Relying on Desalination for Water. Global warming has increased droughts around the world and turned formerly verdant landscapes into near deserts. During this time, operators rely heavily on forecasts of water availability–from sub-daily streamflow forecasts to seasonal water supply forecasts. “We are pleased with the variety of research projects submitted in this competition,” said Levi Brekke, Research and Development Program Manager. of condition information, Reclamation is challenged to find better ways to efficiently collect, analyze and manage these large volumes of data – often © 2021 Scientific American, a Division of Springer Nature America, Inc. Support our award-winning coverage of advances in science & technology. Read Issue >>. Sourcing fresh water from streams, rivers, lakes and underground aquifers and adhering to strict water conservation measures are much more viable for both economic and environmental reasons in most situations, although some desert regions with thirsty and growing populations may not have many such options. • Reduce costs, energy requirements, and/or environmental impacts of treating impaired and unusable water to standards necessary for an identified beneficial use. Water covers 70% of our planet, and it is easy to think that it will always be plentiful. • Reduce costs, energy usage, and/or environmental impacts of seawater desalination, including intakes and/or outfalls. Our rigorous process produces independent, objective reports that present the … Due to its high cost, energy intensiveness and overall ecological footprint, most environmental advocates view desalinization (or desalination)‚ the conversion of salty ocean water into fresh water‚ as a last resort for providing fresh water to needy populations. However, freshwater—the stuff we drink, bathe in, irrigate our farm fields with—is incredibly rare. Goal 14 - Conserve and sustainably use the oceans, seas and marine resources for sustainable development. coined “big data.”, Reclamation innovators are striving to make progress in various related areas, aiming to yield new tools and best practices. Finally, issues of reli- ability, water quality, and environmental impacts need to be understood if the costs and benefits of desalination technology are to be broadly un- derstood. There is an increasing demand for advancing conventional desalination technologies and developing novel solar powered desalination processes. The goal of the DWPR is to increase water supplies by reducing cost, energy consumption and environmental impacts of treating impaired and otherwise unusable waters. CONTACT: Scripps' Center for Marine Biotechnology and Biomedicine, www.cmbb.ucsd.edu. A consideration of the availability and costs of alternative supplies helps to place the future role of desalination in perspective. "This innovative program allows technical experts to help select the strongest applicants.". -- Fred Kuepper, via e-mail. Subscribers get more award-winning coverage of advances in science & technology.
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