Current Water Quality News and Events | Page 25

Current Water Quality News and Events, Water Quality News Articles.
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A new formula for creating chemical reactions -- with carbs
A wide range of drugs and biochemical probes rely on natural or synthetic compounds that aid a reaction by adding carbohydrates. It's a process called glycosylation. But it is traditionally a highly specific process that makes synthesis of such compounds, for testing or large-scale production, difficult. A team of Yale University scientists has developed a new approach to glycosylation that is remarkably simple and works in water at room temperature. (2018-04-30)

Climate change study finds New Hampshire's warmer weather will bring warmer streams
Air temperature increases from climate change will make New Hampshire's streams warmer, according to Dartmouth-led research published in 'Freshwater Biology.' The study examined the extent to which stream waters are warming, which has implications for freshwater ecosystems across the nation given that many species depend on cold water to survive. (2018-04-30)

Research brief: Freshwater ecosystems filter pollutants before they reach oceans
By adding excess nutrients to crops, some are very likely to end up in rivers, lakes and streams. But not all of the carbon, nitrogen and phosphorus that enter waterways end up downstream. Freshwater ecosystems filter some of the excess pollutants out of the water before it reaches the ocean, according to a new study. (2018-04-30)

Proof of water wires motivated by a biological water channel
Aquaporins are proteins that serve as water channels to regulate the flow of water across biological cell membranes. They also remove excess salt and impurities in the body, and it is this aspect that has led to much interest in recent years in how to mimic the biochemical processes of aquaporins potentially for water desalination systems. (2018-04-26)

Corn with straw mulch builds yield, soil carbon
How do you boost soil water content and soil health without irrigating? Best cover it with a layer of straw, a new study concludes. (2018-04-25)

Billions of gallons of water saved by thinning forests.
There are too many trees in Sierra Nevada forests, say scientists affiliated with the National Science Foundation (NSF) Southern Sierra Critical Zone Observatory (CZO). That may come as a surprise to those who see dense, verdant forests as signs of a healthy environment. After all, green is good, right? Not necessarily. When it comes to the number of trees in California forests, bigger isn't always better. (2018-04-24)

Frontier of science: Planet's smallest microbes examined at nation's largest aquarium
Georgia Aquarium and Georgia Tech collaborated to advance a new scientific frontier -- study of the aquarium microbiome -- to better understand the millions of marine microorganisms living in the water and what role they play in keeping the ecosystem healthy. (2018-04-24)

The Matryoshka effect: USU researchers describe underwater phenomenon
A team of engineers and fluid dynamicists uncovered the physics behind a unique underwater phenomenon that's been likened to the Matryoshka doll -- the traditional Russian doll within a doll. (2018-04-24)

Trees are not as sound asleep as you may think
High-precision three-dimensional surveying of 21 different species of trees has revealed a yet unknown cycle of subtle canopy movement during the night. The 'sleep cycles' differed from one species to another. Detection of anomalies in overnight movement could become a future diagnostic tool to reveal stress or disease in crops. (2018-04-20)

Porous salts for fuel cells
Scientists have developed a new class of crystalline porous organic salts with high proton conductivity for applications such as proton-exchange membranes for fuel cells. As reported in the journal Angewandte Chemie, polar channels that contain water play a critical role in proton conduction. At about 60 °C and high humidity, their proton conductivity is one of the best yet found in a porous material. (2018-04-19)

A novel way of creating gold nanoparticles in water
The discovery that water microdroplets can replace potentially toxic agents in the creation of gold nanoparticles and nanowires could help usher in a new era of 'green chemistry.' (2018-04-19)

Harvesting water from fog with harps (video)
As summertime draws near, some people around the US will face annual water usage restrictions as water supplies become strained. But for those who live in arid climates year-round, water shortages are a constant concern. In these areas, residents must capitalize on even the smallest bit of moisture in the air. Now researchers report in ACS Applied Materials & Interfaces that they have developed a type of 'harp' to harvest fresh water from fog. (2018-04-18)

UTA expands efforts to develop water recycling technologies
The Collaborative Laboratories for Environmental Analysis and Remediation at the University of Texas at Arlington has expanded its partnership with oil field equipment supplier Challenger Water Solutions to develop water recycling technologies that will transform waste from unconventional oil and gas development into reusable water. (2018-04-18)

This 2-D nanosheet expands like a Grow Monster
Engineers discovered that tiny crystal lattices called 'self-assembling molecular nanosheets' expand when exposed to light. The advancement could form the backbone of new light-powered actuators, oscillators and other microscopic electronic components useful in the development of artificial muscles and other soft robotic systems. (2018-04-18)

Study: Coal mining reduces abundance, richness of aquatic life
Coal mining, under current US regulations, has significantly reduced the abundance and variety of fish, invertebrates, salamanders, and other aquatic life in streams, according to a new study from the University of Tennessee, Knoxville. (2018-04-18)

Tennessee scientist works to increase crops' water saving potential
Studies at the University of Tennessee Institute of Agriculture are identifying plant physiological traits that could minimize the effect of drought in row crops. (2018-04-18)

People waste nearly a pound of food daily
Americans waste nearly a pound of food per person each day, but the exact amount of food we trash differs by how healthy your diet is, a new PLOS ONE study finds. Between 2007-2014, consumers wasted nearly 150,000 tons of food per day. Researchers estimate that food waste corresponded with the use of 30 million acres of land (7 percent of total US cropland) and 4.2 trillion gallons of water annually. Higher quality diets were associated with higher levels of food waste. (2018-04-18)

Moss capable of removing arsenic from drinking water discovered
A moss capable of removing arsenic from contaminated water has been discovered by researchers from Stockholm University. And it happens quickly -- in just one hour, the arsenic level is so low that the water is no longer harmful for people to drink. The study has been published in the journal Environmental Pollution. (2018-04-16)

'Water-in-salt' electrolyte yields stable cathode for lithium-air battery operations
Despite more than two decades of research, improvements to lithium-ion batteries have stalled short of their theoretical potential. As an electrochemical energy storage technology, upgrading performance requires improved stability of electrolytes. Researchers from Boston College have applied a 'water-in-salt' electrolyte that enables stable operation of a lithium-air battery, offers superior long cycle lifetimes and presents a platform that could help lithium-ion batteries achieve their full potential, the team reports in the journal Chem. (2018-04-12)

Large wildfires bring increases in annual river flow
Large wildfires cause increases in stream flow that can last for years or even decades, according to a new analysis of 30 years of data from across the continental United States. (2018-04-12)

Road salt pollutes drinking water wells in suburban New York state
Road salt applied during the winter lingers in the environment, where it can pollute drinking water supplies. In a recent study in the Journal of Environmental Quality, researchers identify landscape and geological characteristics linked to elevated well water salinity in a suburban township in Southeastern New York. (2018-04-11)

Disparities in coastal stream restoration in central California
Stream restoration efforts along the coast of Central California are unevenly distributed, with activity more likely to occur in areas that are more highly populated and dominated by residents who are 'whiter, wealthier, and more educated,' according to an analysis by researchers at the University of California, Santa Cruz. (2018-04-10)

KAIST Discloses the formation of burning ice in oceanic clay rich sediment
A KAIST research team has identified the formation of natural gas hydrates, so-called flammable ice, formed in oceans. (2018-04-09)

Recruiting practices is costly
Recruiting practices for large scale quality improvement initiatives is difficult and costly ($5,529 per enrolled practice on average), and even more expensive for practices with no prior relationship with the study team. (2018-04-09)

Use of quality improvement strategies among US primary care practices
Small- to medium-sized practices with quality improvement systems (e.g., registries) are most likely to use quality improvement strategies. Practices with fewer major disruptions are more likely to use quality improvement strategies to improve cardiovascular preventive services. (2018-04-09)

Practice leaders' and facilitators' perspectives on quality improvement may differ
Practice facilitators and practice leaders agreed on the value of a facilitated quality improvement program, but reached different judgments on practices' intensity and pace of change. (2018-04-09)

Research suggests water appeared while Earth was still growing
A team including UChicago cosmochemist Nicolas Dauphas performed the largest study to date of oxygen isotopes in lunar rocks, and found a small but measurable difference in the makeup of the moon and Earth. Published March 28 in Science Advances, the research proposes that Earth acquired the majority of its water during the main stage of its growth--which counters a popular theory. (2018-04-06)

MIPT physicists design a model of Martian winter
A team of researchers from MIPT and their German and Japanese colleagues have designed a numerical model of the annual water cycle in the Martian atmosphere. In this study, the MIPT team expanded the analysis to include smaller particles that are more elusive. As a result, the calculations turned out to be more accurate and consistent with the data obtained from Mars orbiters. (2018-04-05)

Can we imitate organisms' abilities to decode water patterns for new technologies?
The shape of water. Can it tell us about what drives romance? Among fish, it might. Eva Kanso, a professor of Aerospace and Mechanical Engineering at the USC Viterbi School of Engineering studies fluid flows and almost like a forensic expert, Kanso, along with her team, is studying how aquatic signals are transported through the water. (2018-04-05)

Climate change and recreational activities at Walden Pond have altered its ecosystem
Climate change and recreational activity at Walden Pond may have altered the ecology of this iconic lake during the past 1,800 years, affecting the water quality and plankton community, according to a study published April 4, 2018, in the open-access journal PLOS ONE by J. Curt Stager from Paul Smith's College, USA, and colleagues. (2018-04-04)

Real-time monitoring could reduce First Nations water advisories by one third, study finds
University of Guelph researchers have found that drinking water advisories in First Nations communities caused by equipment malfunction, inadequate disinfection and high microbial counts could be reduced by introducing real-time monitoring systems. (2018-04-03)

Connection of sea level and groundwater missing link in climate response
About 250 million years ago, when the Earth had no ice caps and the water around the equator was too hot for reptiles, sea level still rose and fell over time. Now, an international team of researchers has developed a way to track sea-level rise and fall and to tease out what caused the changes in the absence of ice sheets. (2018-04-03)

Portland State study links outdoor recreation with water quality concerns
People who camp, hike, fish or participate in other forms of outdoor recreation generally have a higher level of concern about water quality than those who don't, according to a recent study co-authored by Portland State University professor Melissa Haeffner. (2018-04-03)

Using water molecules to read electrical activity in lipid membranes
EPFL researchers were able to map out in real time how charges are transported across and along membranes simply by observing the behavior of adjacent water molecules. Their noninvasive and label-free method represents a valuable new tool in the effort to understand how cells -- and neurons in particular -- function. (2018-04-02)

Predicting water storage beyond 2-5 years over global semiarid regions
Scientists from Institute of Atmospheric Physics, Chinese Academy of Sciences made skillful prediction for terrestrial water storage over one-third of land areas (excluding Antarctic, Greenland, and desert regions) beyond two to five years, especially for semiarid regions where deep soil water and aquifer have a long memory and a non-negligible variability. The hindcast skill can be further enhanced by incorporating low-frequency climate information, including the Pacific Decadal Oscillation and Atlantic Multidecadal Oscillation. (2018-04-02)

Water purification breakthrough uses sunlight and 'hydrogels'
Engineers at the University of Texas at Austin, have created a low-cost, clean and safe water purification device using only natural levels of sunlight and inexpensive gel technology which could be used by communities in drought-affected areas or victims of natural disasters with limited access to clean water. (2018-04-02)

Microengineered slippery rough surface for water harvesting from air
A slippery rough surface (SRS) inspired by both pitcher plants and rice leaves outperforms state-of-the-art liquid-repellent surfaces in water harvesting applications, according to a team of researchers at Penn State and the University of Texas at Dallas. (2018-03-30)

Bioinspired slick method improves water harvesting
By learning how water is collected by living organisms, including rice leaves and pitcher plants, scientists at The University of Texas at Dallas created and tested a combination of materials that can do the same thing, but faster. (2018-03-30)

Researchers develop model to show how bacteria grow in plumbing systems
Bacteria in tap water can multiply when a faucet isn't used for a few days, such as when a house is vacant over a week's vacation, a new study from University of Illinois engineers found. The study suggests a new method to show how microbial communities, including those responsible for illnesses like Legionnaires' disease, may assemble inside the plumbing systems of homes and public buildings. (2018-03-29)

'Fog harp' increases collection capacity for clean water
The study demonstrates how a vertical array of parallel wires may change the forecast for fog harvesters. In a design the researchers have dubbed the 'fog harp,' these vertical wires shed tiny water droplets faster and more efficiently than the traditional mesh netting used in fog nets today. (2018-03-28)

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