Articles tagged with Water Resources
Researchers developed a low-cost mobile tool to detect arsenic contamination in water, offering an onsite solution for monitoring water quality. The sensor can measure arsenic levels as low as 0.90 parts per billion with quick response time of just 3.2 seconds.
A new study from North Carolina State University researchers finds that conversion of forests to urban development or agriculture near streams can have harmful effects on water quality downstream. The study suggests that more attention should be paid to where development might have serious effects on water quality for people living nea...
A new study from UMass Amherst found significant variability between at-home water testing kit abilities to detect contaminants. Single-parameter tests generally had more accurate results than multi-parameter ones, but users should interpret the results with skepticism, especially if testing for high levels of metals.
A new Princeton startup has developed a technology to boost minerals production from evaporation ponds, doubling the efficiency of lithium and nitrate extraction. The innovation uses a black disc with an anti-fouling coating to accelerate evaporation rates, alleviating the need for large-scale construction of new ponds.
Arup K. SenGupta, a renowned water scientist at Lehigh University, has been honored with the ASCE Freese Award and Lecture for his pioneering work in ion exchange science and technology. He will present on 'Development and Global Application of Hybrid Ion Exchange Processes' during the 2025 World Environmental & Water Resources Congress.
Research reveals the mechanism behind peak extratropical cyclone activity in spring East Asia, with intensified low-level jet streams facilitating system formation. This understanding can improve climate predictions and adaptation strategies for the region.
Researchers used electromagnetic data to identify areas suitable for recharge, finding that up to 13 million acres in the Central Valley may be ideal for refilling aquifers. The team developed a web application called fastpath to help groundwater agencies and landowners pinpoint optimal recharge pathways.
Researchers at the University of Michigan have developed new membranes for desalination that can help eliminate brine waste and produce more sustainable freshwater. The membranes are packed with charge and increase conductivity, allowing them to move more salt with less power.
Researchers developed a machine learning-powered fluid simulation model that significantly reduces computation time without compromising accuracy. The new surrogate model maintains the same level of accuracy as traditional particle-based simulations while reducing computation time from approximately 45 minutes to just three minutes.
Three UVA Engineering faculty members have been elected as AAAS Fellows for their groundbreaking work in computer architecture, energy transport, and hydrology. Sandhya Dwarkadas, Patrick E. Hopkins, and Venkataraman Lakshmi were recognized for their innovative research and contributions to their respective fields.
A study by Eawag and the University of Zurich found that human impacts on biodiversity are widespread and severe, with average species declines of 20% across all biogeographic regions. The composition of species communities is also shifting, with environmental pollution and habitat changes having a particularly negative impact.
The California Solar Canal Initiative brings together seven leading research universities to identify optimal locations for generating renewable energy and conserving land statewide. By covering large sections of the state's canal network with solar panels, researchers aim to conserve water, reduce air pollution and generate clean energy.
Scientists develop a method to create high-quality activated carbon from gasification char, which can be used in wastewater treatment. The process involves physical activation and achieves a surface area of 800 m²/g, making it comparable to fossil-based activated carbons.
Prof. Günter Blöschl's research has made significant contributions to understanding the drivers of increasing flood risks under climate change and reveals that the last two decades have been markedly flood-prone compared to historical records.
A recent study by researchers at the National Institute of Advanced Industrial Science and Technology estimates that 25 out of 32 key geological resources have exceeded sustainable water limits. This highlights the need for sustainable water use in resource production, particularly for water-intensive metals like copper.
Researchers have developed a new AI tool that uses sensors and real-time data to predict water quality across the US. This tool can be applied nationwide, benefiting communities by providing water quality forecasts, streamlining operations, and informing strategies for managing turbidity in basins worldwide.
Researchers found that fog water can be harvested in the Atacama Desert to ease water scarcity affecting vulnerable populations. The collected water can be used for drinking, irrigation, and local food production, with potential yields of up to 300,000 liters per week.
Since the turn of the millennium, glaciers worldwide have lost around 273 billion tonnes of ice per year, corresponding to about five and a half times the volume of Lake Constance. The loss of ice from glaciers has led to a rise in sea level of 18 millimetres, making it the second strongest driver of sea level rise after ocean warming.
A new study reveals that dust storms picking up black carbon from heavily-polluted areas and depositing it in the mountains darkens the ice and snow, causing it to melt faster. This regional environmental problem is a second, more local cause of glacier loss in the Himalayas.
The Off the Field National Football League Wives Association partnered with the American Heart Association and other organizations to promote water safety skills among children. The event, held in New Orleans, provided Hands-Only CPR and automated external defibrillator education.
Research highlights the impact of wind on wildfire growth, with areas in the US Southeast vulnerable to extreme heat and precipitation events. Meanwhile, a study suggests the 'drought' of EF5 tornadoes may be due to stricter ratings rather than changes in tornadoes.
A new carbon cloth electrode technology has been developed to remove boron from seawater, making it safer for drinking. This innovation could save up to $6.9 billion annually by reducing the need for expensive chemicals and energy in desalination plants.
Researchers analyzed tropical storm-related precipitation to understand its impact on local water resources and provide insights into climate predictions. The study aims to help communities prepare for extreme storms and manage water resources before and after the storms.
A Politecnico study proposes a global model that optimizes agricultural and water resources, making the EAT-Lancet diet a sustainable possibility. The model suggests crop redistribution and trade flow improvements could reduce global cropland by 37-40% and irrigation water use by 78%.
Researchers warn of environmental risks posed by snakes and insects in imported ornamental plants, calling for improved regulations and sustainable practices. The study highlights the difficulty of monitoring and controlling pests due to high-volume trade, posing a threat to ecosystems and human health.
Researchers developed a new data assimilation algorithm using the LETKF technique to enhance global precipitation estimates. The model improved accuracy and computational efficiency, making it suitable for large-scale applications, particularly in mountainous regions.
A survey conducted by Professor Takahiro Endo at Osaka Metropolitan University found that Hiroshima Prefecture provided a free water inspection service for well owners after the 2018 floods, promoting their initiative to open inspected wells to the public. This collaborative effort supplemented local governments' emergency water supply...
The 105th Annual Meeting of the American Meteorological Society will address key issues in weather, water, and climate. The meeting features a Presidential Forum on physical, social, cultural, and economic impacts of climate change, with experts from the region of the Mississippi River Delta.
Researchers at Osaka Metropolitan University identified clogging in a geothermal well due to accidental venting, highlighting the need for regular inspection and monitoring of water quality. The study emphasizes the importance of geochemical analysis of groundwater for stable and widespread use of aquifer thermal energy storage systems.
Researchers at Institute of Science Tokyo have identified key factors driving photochemical water oxidation. By fine-tuning reaction potential and pH conditions, they enhance the efficiency of this process, paving the way for more sustainable energy solutions.
New research maps 35 years of river changes on a global scale, revealing 44% of downstream rivers saw decreases in water flow, while 17% of upstream rivers saw increases. This shift has significant implications for flooding, ecosystem disruption, and freshwater supplies.
Researchers suggest a scientific framework to operate the Nile's mega dams during droughts, balancing sustainable hydropower generation with minimizing downstream water deficit. The framework aims to increase resilience for over 300 million inhabitants in the Eastern Nile Basin living under uncertain climatic projections.
A new study finds that heavy rains deliver the greatest amounts of fertilizer-derived nitrogen through creeks and rivers into the northern Gulf of Mexico. The research can be used to develop policies to protect the gulf from nutrient overloading, harmful algal blooms, and oxygen-depleted 'dead zones'.
The UN reports that over 77.6% of the world's land experienced drier conditions in recent decades, with drylands expanding by nearly a third larger than India. This trend is driven by human-caused climate change and has dire implications for agriculture, ecosystems, and people living in affected areas.
Recent studies analyze hurricane damage, water flow into dams, marine heatwaves, and the impact of air pollution on vegetable market prices in South Korea. Hurricane Katrina remains the most damaging U.S. hurricane, while a new system predicts extreme air pollution episodes in India's New Delhi megacity.
Researchers observed microfiber plastics tumbling, rolling, and getting stuck in soil particles, revealing slow movement and potential trapping. The study improves understanding of exposure risks and possible health impacts of widespread plastic pollutants.
The World Drought Atlas depicts the systemic nature of drought risks, highlighting their interconnectedness across sectors. It underscores the need for national plans and international cooperation to build resilience against harsher droughts, which are expected to affect 3 in 4 people globally by 2050.
Researchers have developed a liquid moisture adsorbent that can efficiently harvest water from the air at near ambient temperatures. The technology, which uses random copolymers of polyethylene glycol and polypropylene glycol, has the potential to provide clean drinking water in arid regions and during disasters.
The Guarani Aquifer, the world's largest cross-border groundwater reservoir, is being overused in São Paulo state, Brazil. The study found that rainwater is insufficient to replenish the aquifer due to increased water withdrawals for human activities.
The new system uses AI technology combined with Earth observation data to detect risks of events that might trigger forced displacement, delivering timely alerts ahead of emergencies. It will help humanitarian actors plan and respond more effectively, minimizing response times and avoiding duplication of efforts.
Researchers at UMass Amherst have developed a new, portable method to detect per- and polyfluoroalkyl substances (PFAS) in water. The device is small, inexpensive, and can detect levels as low as 400 ppt, making it more accessible for on-site testing.
Researchers at Loma Linda University found the Salton Sea's shoreline is retreating at an increasing rate, creating more polluted dust from agricultural runoff. The study forecasts parts of the North Shore will retreat up to 172 meters by 2041, posing health risks to nearby communities.
A new chromosome-scale reference genome of grass pea has been published, improving on earlier draft assemblies and offering potential for climate-smart agriculture. The updated genome allows for improved breeding and gene editing to develop varieties with improved agronomic characteristics or low toxin content.
According to a new USGS study, approximately 71-95 million people in the Lower 48 states may rely on groundwater containing detectable concentrations of PFAS for their drinking water supplies. The predictive model helps understand the potential for PFAS contamination and informs strategic planning for water resources.
A new type of prototype water harvester uses temperature-sensitive materials to pull more water out of the atmosphere in 30 minutes on average than an alternative dehumidifier system using only half the energy. The device is also portable, making it suitable for regions where access to clean drinking water is limited.
The world's freshwater lakes are freezing over for shorter periods due to climate change, affecting more than a billion people worldwide. Changes in ice duration have major implications for human safety, water quality, biodiversity, and global nutrient cycles.
The Academy of Breastfeeding Medicine has released comprehensive guidelines for protecting, promoting, and supporting breastfeeding in emergency situations. The recommendations aim to safeguard the health and well-being of infants in disasters and conflicts by ensuring safe nutrition and immune protection.
Snowmelt rates vary by slope orientation and receive varying amounts of solar radiation. The study found that burned south-facing slopes accumulate less snow and melt earlier than other aspects due to increased solar radiation absorption. This understanding will improve models and tools for water managers.
A new study reveals that risks to global water security are significantly higher when considering the environmental conditions and governability of areas where moisture evaporates before falling as rain. This approach identifies regions with high water scarcity risk, including those dependent on neighboring countries for upwind moisture.
A team of researchers discovered that a 'tag-team' between the oceans and continents led to severe environmental crises, causing mass extinctions of marine species. The study found that chemical weathering pulses disrupted the oceans, leading to anoxic events that had profound impacts on marine ecosystems.
A global study found that over half of adults expect to be seriously harmed by their water within two years due to low confidence in water quality. The study highlights the need for both safe drinking water and public trust in water sources.
A new perspective paper highlights the importance of understanding migration dynamics in rural areas, which are often driven by slow changes related to climate and environment. The researchers propose integrating land system science into migration studies to develop effective sustainability policies.
A new study by Utah State University explores the potential of collaborative modeling to improve reservoir operations and adapt to variable inflow and declining storage. The research involved 26 Colorado River Basin managers and experts who used Google Sheets during video calls to discuss consuming, banking, and trading water.
A new study maps global ecosystems dependent on groundwater, revealing 53% are under threat from depletion and only 21% protected. The dataset provides critical information for conservation efforts, with an accuracy rate of 87%.
Households are willing to pay $156.84 annually for targeted home systems to remove PFAS, which is less than the cost of municipal-level treatment. Under-the-sink reverse osmosis filters are estimated to have a yearly total cost of around $100, including maintenance.
Researchers developed compact devices with absorbent-coated fins that trap moisture and generate potable water when heated. The prototype can produce up to 1.3 liters of water per day in dry air, outperforming previous systems.
A new study by IIASA researchers highlights the benefits of transboundary cooperation in the Lancang-Mekong River Basin, which could maximize economic benefits while minimizing environmental losses. Full cooperation is recommended as a more beneficial and stable option for riparian countries, especially under changing climate conditions.
A study published in Nature Water found that US children's simultaneous water and food insecurity increased nearly twice as much between 2005 and 2020. The research also revealed significant racial disparities, with Black children being 3.5 times more likely to experience both problems than white children.
A new research paper finds higher particulate pollution in areas near the Salton Sea after water was diverted to San Diego. The study, led by University of California - Davis professor Eric Edwards, models lakebed exposure and tracks dust movement over time, showing increased pollution in disadvantaged communities.
A new study finds that rising temperatures will significantly reduce streamflow in the upper Colorado river basin as groundwater levels fall. Groundwater storage would fall to its lowest known levels after a single extremely dry year and fail to recover even after multiple wet periods.