Articles tagged with Water Quality
A recent study found that 61 of 181 North Carolina migrant farmworker camps failed to meet state water quality standards, with high levels of total coliform bacteria and E. coli detected in the water.
China's water crisis is characterized by severe pollution, eutrophication, and lack of access to safe drinking water, with two-thirds of cities experiencing shortages. To achieve sustainability, experts suggest adopting a systems approach that considers multiple perspectives and values.
A new UC Santa Barbara-based project will investigate contaminants in urban water environments, focusing on identifying threats to surface waters and groundwater. The research aims to determine how to mitigate these issues and develop cost-effective solutions.
The University of California, Riverside has received a $3 million grant from the National Science Foundation to train graduate students in water quantity and quality improvement. Students will conduct doctoral-level research on water issues and gain training in interdisciplinary research, project management, and policy-making.
Urban rivers throughout England and Wales have experienced dramatic improvements in water quality and biodiversity over the past two decades. The range of invertebrates found has increased by around 20%, with insects such as mayflies and stoneflies making a comeback.
A binational team of researchers from the University of Arizona monitored conditions in Ciénega de Santa Clara before, during and after the plant's pilot run, finding no significant changes to hydrology, water quality, vegetation, or marsh birds. The wetland appears resilient in the face of short-term disturbances.
Mercyhurst research delivers near real-time water quality results, reducing exposure to potentially hazardous bacteria. The new system uses computer predictions and qPCR technology to detect E. coli contamination in two hours.
A new Duke University-led study suggests that increasing dietary calcium intake may be necessary to address widespread dental health problems caused by fluorosis in rural Ethiopia. The research found that even with fluoride-reducing treatments, high levels of naturally occurring fluoride in drinking water can still cause significant to...
A University of Missouri research team is conducting a two-year study to reclaim developed flood plain land and keep waterways free of pollutants. The project uses 777 willow trees to filter water and potentially produce a cash crop for farmers.
A study by University of Bristol researchers found that relying solely on improved water source type oversimplifies the measure of safety, leading to substantial underestimations in four developing countries. The adjustment increased estimates of people without access to safe drinking water in Ethiopia and Nigeria by millions.
A study tracking water quality in the Thames River basin over 140 years found significant rises in nitrate concentrations since World War II. The researchers suggest it may take several decades for any reduction in nitrate levels, highlighting the need for long-term sustainable groundwater management practices.
Dr. Jon Gelhaus, a Philadelphia scientist, received the 'Best Scientist in Nature and Environment' medal for his significant contributions to Mongolian Environmental Science. He is leading a multinational effort to improve water quality monitoring and standards in Mongolia.
The Intelligent River project aims to provide real-time data on water quality and flow rate across a 312-mile stretch of the Savannah River. A network of environmental sensors, including MoteStacks, will be deployed to collect data, which will then be processed and transmitted to a high-performance computing system.
SMU scientists are collecting water samples in UNHCR camps, analyzing them in the lab, and training workers to test water supplies. The team will develop a worldwide database to identify contaminants and track water quality over time, addressing issues such as iodide and fluoride contamination.
A team of scientists from Kansas State University and seven other institutions is conducting a large-scale experiment to understand the impact of stream organisms on water quality across North America.
USDA scientists found that non-pathogenic E. coli strains can survive longer in underwater sediments than in water, supporting the use of sediment as an indicator of fecal contamination. The study also revealed that higher levels of organic carbon and fine particles in sediment prolonged E. coli survival.
Jason Julian, a University of Oklahoma geography professor, has been awarded a Fulbright fellowship to research the impact of land use changes on optical water quality in New Zealand rivers. His study will explore connections between landscape characteristics, land use, and water clarity over the past 20 years.
Researchers found that golf courses in the Canary Islands receive 83% more water than needed, reducing soil fertility and increasing risk of contaminating the aquifer. The study calls for adjusting watering amounts to plant needs and using internationally-accepted evapotranspiration equations.
A recent study found that metal and concrete tile roofs produce the highest quality rainwater for indoor domestic use, while asphalt and green roofs contain high levels of dissolved organic carbon. The research highlights the importance of considering roofing material when harvesting rainwater for potable use.
As global freshwater demand is projected to surpass supply by 40% by 2030, Canada's expertise in water management is being sought to help countries address drought, flood, and unsafe water issues. The country's relatively abundant water supply will be an asset, but careful management is crucial for sustainability.
Researchers at North Carolina State University have developed roses that incorporate a gene from celery to fight botrytis, a major post-harvest disease. The genetically modified roses aim to extend vase life and reduce shipping times, making them more viable for the cut flower industry.
Scientists at Stroud Water Research Center are investigating how a stream's ecosystem changes as trees along the banks mature. The five-year NSF grant will provide funding for new data collection using cutting-edge technologies to study physical, chemical, and biological attributes of the stream.
A simple method for tracking E. coli uses laser imaging to detect and monitor microbe contamination in water, potentially reducing waterborne disease outbreaks. The technique improves on existing methods by providing vital information on microbial source tracking.
Researchers develop method to treat stormwater in constructed wetland and store it in an aquifer, producing near potable water after treatment. The study demonstrates potential for sustainable water recycling through managed aquifer recharge schemes.
A USGS study assessed the McKenzie River in Oregon, measuring optical properties to understand dissolved organic carbon and its impact on drinking water quality. The results indicated that sources of dissolved organic carbon originated upstream and were linked to human activity.
A USGS study reveals that growing corn for biofuels production has significant effects on water quality and quantity in northwestern Mississippi. Increased irrigation withdrawals from the MRVA aquifer contribute to declining water levels, while nitrogen fertilizer use can lead to low dissolved oxygen conditions in the Gulf of Mexico.
Researchers found declining levels of nitrogen and phosphorus since the 1970s, indicating improved water quality in Everglades National Park. The study's findings suggest that the park's restoration methods have effectively reduced waste and improved ecosystem health.
Researchers will investigate how climate change affects Great Lakes water quality, focusing on extreme weather events and their impact on nutrient, pesticide, and sediment levels. The study aims to develop strategies for watershed councils and government entities to reduce water quality impacts.
The study reveals that incorporating NASA products into the BASINS model significantly improves water quality model performance. By capturing the effects of water flow during storm periods, the NASA data systems provide a more accurate representation of non-point pollution and improve estimates of water quality.
A new study published in Marine Ecology Progress Series found that cleaner water improves the resilience of coral reefs to climate change in the Florida Keys. Corals living in cleaner waters with fewer nutrients were shown to be more resistant to warming and bleaching, while those in dirtier water became sick.
Researchers at the University of Adelaide are exploring ultrasound to combat blue-green algae blooms in water supplies, a significant global problem. They aim to develop an environmentally friendly and cost-effective method using low-amplitude ultrasound to immobilize the algae without releasing toxins.
A new model has estimated that large amounts of organic nitrogen are stored in the soil beneath fields in Nebraska and Maryland, where corn and soybean crops are grown. The study found that leaching accounted for most of the nitrogen lost from the soil, particularly in irrigated areas.
A binational team is monitoring the effect of the Yuma Desalting Plant on the cienega, which could affect endangered species and bird populations. The researchers are tracking water quality, water level, and vegetation to assess the impact of the plant's operation.
The PEGASO project aims to improve coastal management by integrating sea, coast, and marine ecosystems research for effective Integral Coastal Zone Management (ICZM) in the Mediterranean. Researchers will study specific actions to be applied under ICZM, combining data from 11 case studies in Europe.
Air and water pollution in China pose significant health risks, with indoor air pollution from solid fuels responsible for millions of premature deaths. The country has made some progress in reducing industrial waste and improving access to piped water, but more efforts are needed to address the issue.
A Canadian Medical Association Journal study reveals that private drinking water supplies are often contaminated, with outbreaks occurring at a rate 35 times higher than in public systems. The government must provide better resources and education to ensure safe drinking water for Canadians.
Research reveals high levels of contamination to water and sediment in Frenchman's Bay due to road salt applied in winter. The study found that 3,600 tonnes of road salt end up in the bay every winter, poisoning it for the rest of the year.
The Gishwati Area Conservation Program will fund reforestation of nearly 650 acres in Rwanda's Western Province. The expansion aims to stabilize steep hillsides, reduce erosion into the Sebeya River, and provide additional habitat for endangered chimpanzees.
The college has received a $20,000 grant from the Pennsylvania Coastal Zone Management Program to further study contaminants in Presque Isle State Park's recreational waters. Researchers aim to quantify hazardous chemicals like Triclosan and Fluoxetine to ensure water quality and public health
The K-State Environmental Leadership Program develops an interdisciplinary course curriculum addressing water quality issues and civic engagement in watershed restoration. The program aims to build capacity in addressing environmental issues through a $114,000 grant from the US Department of Agriculture.
Researchers found that scheduling irrigation according to daily water use (DWU) substantially reduced irrigation application compared to control methods, while maintaining or improving plant growth. The study categorized woody ornamental plants into low, moderate, and high water users, allowing for more efficient watering strategies.
A Monash University study found that rates of gastroenteritis were similar between households with treated and untreated rainwater. The results confirm there is a low risk of illness from drinking rainwater, making it safe for activities like showering and bathing.
Aydogan Ozcan's lab has developed a prototype cell phone diagnostic unit using Lensless Ultra-wide-field Cell Monitoring Array platform (LUCAS) to detect diseases like HIV and malaria. LUCAS can identify and count microparticles virtually instantaneously, revolutionizing mobile health care.
Research finds that pathogenic E. coli are common in Michigan and Indiana streams, even with low fecal indicator bacteria concentrations. The study suggests that current methods for determining water quality may not accurately predict the presence of harmful pathogens.
Carnegie Mellon researchers, led by Jean VanBriesen, will study water quality in the Monongahela River using a $100,000 grant. The team will collect data on bromide and sulfate levels associated with Marcellus Shale gas production and acid mine drainage.
A report by Rice University scientists warns that growing biofuels could harm the nation's water resources, degrading quality and affecting availability. The researchers suggest choosing drought-tolerant crops grown on minimal irrigation to balance energy needs with water conservation.
Researchers found that proper irrigation management with reuse water can maintain favorable salt balances and plant response. The study's results suggest embracing reuse water as a viable alternative for golf course irrigation.
The National Science Foundation has awarded a five-year, $1.24 million grant to the University of Arizona to fund a research center investigating new clean-water technologies. The Water and Environmental Technology Center will develop 'smart' water technologies, including sensors at individual households capable of detecting contaminants.
Queen's University Belfast is conducting a 3-year study to map and monitor horse mussel reefs in Strangford Lough. The project aims to restore and conserve the reefs, which are crucial for water quality and habitat for other species.
A new prototype cell phone uses holographic lens-free imaging to accurately identify smaller particles such as E. coli in saliva or blood samples, enabling rapid diagnosis of diseases like HIV and malaria. The technology also has potential for monitoring water quality and detecting hazardous microparticles in disaster situations.
The USGS Great Lakes Beach Health Initiative aims to enhance water-quality forecasting and provide decision-making tools for effective beach closure management. Scientists will focus on improving models, identifying pathogen processes, and evaluating rapid monitoring methods.
Researchers develop data mining approach using Fuzzy Inference System to analyze river water quality, revealing high pollution levels despite individual parameter analysis. The method combines disparate parameters for a broader understanding of overall quality, potentially improving the lives of people relying on freshwater sources.
Scientists evaluate the impact of grain-based ethanol production on water quality in the US. The study recommends advanced conservation measures to minimize nutrient losses from corn production, but a viable cellulosic ethanol industry could provide water quality benefits.
A study investigated intensive forestry's effects on water quality in eastern Texas. Fertilization resulted in small increases of nitrogen and phosphorus in watersheds, but these losses were a fraction of what was applied. Streamside buffers and natural regeneration helped minimize impacts.
Researchers found that reusing water in produce washing processes compromises sanitizer efficacy and affects product quality. The study provides specific information on how wash operation variables impact water quality and product quality, offering new tools for enhancing food safety and quality.
Researchers found that older sand filters with established biofilms effectively remove geosmin and MIB, reducing the earthy taste in tap water. The study suggests using biologically active sand filters can improve water purification, making water safer for consumption.
Researchers are analyzing the likely effects of climate change on the state's health over the next century. They will recommend strategies to mitigate and prevent anticipated public health problems, including heat-related illnesses, air and water quality issues, and disease migration.
Researchers used NASA satellites to monitor water quality in Tampa Bay, finding accurate measurements of turbidity and clarity. The method can resolve questions about events leading to decreased water quality and inform resource management decisions.
A study by Andrea Dietrich at the American Chemical Society meeting found that cPVC has a low odor potential, while HDPE had the highest odor production. The researchers also discovered that certain types of plastic piping can leach organic compounds into drinking water.
A new University of Georgia study reveals that sewage-contaminated groundwater is contaminating coral reefs up to six miles offshore in the Upper Florida Keys. The study found common fecal indicator bacteria and human viruses in surface water, groundwater, and corals.