Articles tagged with Water Resources
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.
Researchers analyzed diets of 856 schoolchildren in Germany, finding potential to reduce greenhouse gas emissions by changing eating habits. However, nutrient adequacy was not optimized, highlighting the need for context-related nutritional recommendations.
A study found that trees along UT's Waller Creek flourish during droughts due to wastewater from leaky city pipes, which also affects tree growth patterns. The research highlights the unintended positive consequences of urbanization on climate-resilience of stream ecosystems.
Scientists propose a transformative approach to resolve the Nile conflict by increasing electricity trade between Ethiopia, Sudan, and Egypt. This study reveals that energy-water system simulation can alleviate tensions and promote win-win situations for all parties involved.
A new study shows that firms in the US respond differently to political parties in charge, even if policies don't change. Firms located in Republican-governed states spend more on water pollution control than those in Democratic states.
Researchers found that sunny day flooding in coastal areas can lead to elevated levels of fecal bacteria in waterways. The study suggests policymakers and public health officials should be aware of potential risks associated with tidal flooding.
A new study from Colorado State University suggests that transitioning to green wastewater-treatment approaches, financed through carbon markets, could save $15.6 billion and reduce CO2-equivalent emissions by 30 million tonnes over 40 years. The research explores the potential economic tradeoffs of switching to green infrastructure an...
A new UNSW-led international study reveals that much of the world's global source water contains PFAS levels above recommended drinking water guidelines. In Australia, firefighting foams used in military institutions and fire training facilities are a common source of contamination, with many locations exceeding safe limits.
Researchers from the Institute of Industrial Science, The University of Tokyo, demonstrated a new method for visualizing vegetation gradients in hilly terrain. This analysis showed that 'hillslope-impacted vegetation' is a common global phenomenon, widely distributed across various climates and regions.
The Colorado River's water is mostly consumed by agriculture, with over 70% used for irrigation and 32% for cattle feed crops. The river's water budget reveals the need for significant reductions in water use to avoid future shortages.
Researchers at Lehigh University found that low- to mid-level flooding events are the most vulnerable to cyber attacks, which can overwhelm the system and cause a flood downstream. The study developed a mathematical framework to identify vulnerabilities in stormwater systems, allowing municipalities to assess their risks.
Suprina Shrestha, a UT Arlington graduate student, has been awarded the Marie Sklodowska-Curie Fellowship from the International Atomic Energy Agency. The fellowship aims to support women in studying nuclear-related subjects and will provide financial assistance for her research in isotope hydrology.
Scientists create detailed models of the terrestrial water cycle using high-resolution satellite data to predict floods, droughts, and other extreme events. The Digital Twin Earth Hydrology Platform allows for interactive simulations and visualizations to enhance flood and landslide prediction and optimize water resource management.
Researchers have discovered that produced water, often considered waste, contains nearly every element in the periodic table, including critical minerals like lithium and platinum group metals. A new approach using CO2 desalination can extract these valuable minerals, making it a lucrative means of offsetting reclamation costs.
Researchers from 16 countries will discuss sustainable urban and rural development, renewable energy, and climate-smart technologies at the symposium. The event aims to build a global network of food-energy-water (FEW)-converged research for net-zero transition.
The study emphasizes that human-induced climate change primarily arises from the planet's heating, leading to energy imbalance and altered flows of energy through the climate system. This framing changes how climate change is manifested, particularly in extremes such as droughts, storms, and flooding.
A recent study examines the frequency of compound drought and pluvial flooding, as well as their reverse patterns, finding that 15.46% of meteorological droughts are succeeded by a pluvial the following season globally, with regional variability existing in Eurasia, western North America, South Asia, and Australia.
A study published on Nature Food highlights the potential of using by-products in animal diets to save land and water resources. The research suggests that substituting energy-intensive crops with agricultural by-products could reduce competition for natural resources and improve food security.
Research reveals that aquifer depletion can curb crop yields even when it appears saturated enough to continue meeting irrigation demands. As groundwater dwindles, agricultural losses escalate, especially for corn and soybean yields.
The UK is launching four new PhD training centers to boost expertise in environmental science, focusing on flood management, freshwater quality, sustainable mineral resources, and wetland conservation. These centers will support the next generation of researchers who will go on to build careers in research, business, and public service.
Scientists analyzed stable isotope compositions of hydrogen and oxygen in water molecules to identify long-trapped lithospheric water. They found distinct characteristics shared by various types of deep water, including those beneath the seafloor and in volcanic steam, indicating a common evolutionary trajectory.
A new study reveals that accelerating sea level rise will exacerbate existing social inequality in coastal areas, with minority populations facing the most severe burdens. Rising sea levels disrupt transportation networks and roads, leading to increased isolation and reduced access to essential services.
A 1916 study by Eugene Clyde La Rue estimated the Colorado River discharged just 15 million acre-feet of water, but was ignored in favor of a higher estimate. Today, the river's actual flow is around 13 million acre-feet per year, prompting calls for improved estimates and Indigenous involvement in managing the water.
Researchers from Xi'an Jiaotong-Liverpool University developed a system to assess water quality challenges in Suzhou, China. The study found that the city's water capacity has increased since 2001 due to effective water management measures.
A new research project uses data from over 8,000 gauging stations across Europe to predict mega-floods, reducing the surprise factor of their occurrence. By considering hydrologically similar areas, flood disasters can be anticipated and mitigated, saving lives.
A new study by researchers at the University of Copenhagen finds that reducing nitrate levels in Danish drinking water could avoid 127 cases of colorectal cancer annually and save $300 million a year. Implementing stricter nitrate limits, such as lowering the maximum standard to 4 mg/L, can result in an additional $138 million saved.
The study highlights that up to 80% of dye-containing industrial wastewaters are released untreated into waterways, posing direct and indirect threats to human, animal, and plant health. New sustainable technologies and regulations are needed to combat the issue.
Researchers at the University of Houston have discovered that microalgae can be used to sequester carbon dioxide and convert it into mass-produced proteins, lipids, and carbohydrates. This process has the potential to transform food production, treat wastewater, and produce sustainable biofuels.
Researchers predict a shift from drying to wetting in the Himalayan region due to reduced anthropogenic aerosol emissions, with climate model simulations suggesting increased precipitation throughout High Mountain Asia by the 2040s. This change is primarily driven by human-induced factors, rather than natural variability.
Researchers have developed a new method to measure the duration and severity of hydrological droughts in streams and rivers, which can persist for up to 3.5 years after drought conditions end. The study found that baseflow droughts are strongly tied to groundwater levels and can impact water management and ecosystem services.
Researchers at Shibaura Institute of Technology developed a cellulose-based thickener to reduce environmental risks associated with liquefied stabilized soil. The thickener prevents bleeding, loss of fine particles, and unwanted settling, while maintaining soil strength.
A team of researchers from Japan found that water enhances energy dispersion and reduces elastic moduli in rocks, leading to increased seismic wave attenuation. The study suggests the oceanic asthenosphere must contain water, explaining sharp velocity drops and near-constant attenuation observed at the LAB.
A new study analyzes challenges in sustainably meeting different hydrogen demand scenarios on a country-by-country basis. The research finds that less than half of projected 2050 demand for hydrogen fuel could be produced locally using wind or solar power due to land and water scarcity.
A recent study found that social factors are a stronger influence on water-quality violations than median household income. The study's social vulnerability index captured three times as much of the population affected by water-quality issues as median income did.
Researchers at ETH Zurich have developed a method that collects and purifies water from fog simultaneously, rendering it safe for use in densely populated urban centers. The technology uses a close-mesh lattice coated with polymers and titanium dioxide to break down organic pollutants.
New research found that plant water use efficiency has stalled since 2001 due to climate change, contradicting earlier hopes it would help improve water consumption. The study's findings suggest that rising temperatures and atmospheric CO2 may be undermining nature-based methods to achieve carbon neutrality.
A new computer model quantifies the black market for drinking water in Jordan, revealing that 91% of traded water is extracted illegally. The study predicts a significant increase in household dependence on private water suppliers due to decreasing public water supply infrastructure.
Eric Quaempts, Tribal member and Department of Natural Resources Director at Confederated Tribes of the Umatilla Indian Reservation, has been recognized for his work on First Foods management approach. He received the 2023 ESA Regional Policy Award for integrating tribal ecological approaches into natural resource management.
A new study from the University of Missouri found that poverty, low health literacy, cultural beliefs, lack of infrastructure, and political issues hinder diabetes self-management for Haitian migrants. The researchers suggest targeted interventions, such as community gardens and healthcare education through local priests.
A recent study projects an increase in surface water pollution in Sub-Saharan Africa, posing significant risks to human populations and ecosystem health. The region is expected to become the dominant hotspot of surface water pollution, with potentially catastrophic consequences for communities.
Researchers developed models to schedule flow releases from a California reservoir, finding that pulse flows could benefit salmon while maximizing electricity generation. The study identified optimal flow regimes that aligned economic and salmon objectives during early summer, but diverged in mid-winter.
Researchers developed a compact and efficient single-photon Raman lidar system that can detect oil spills in the ocean. The system uses just 1μJ of pulse energy and can be operated up to 1km underwater, making it suitable for monitoring leaks in underwater oil pipelines.
A new computer model forecasts yield for four key crops in the southeastern US, drawing on climate, groundwater, and agricultural data. The tool helps farmers and water resource managers identify ways to maximize crop yields while efficiently utilizing water and energy.
University of Missouri researchers developed a method using thermal induction heating to rapidly break down PFAS on the surface of granular activated carbon and anion exchange resins. The process achieved 98% degradation in just 20 seconds, offering a highly energy-efficient alternative to conventional methods.
The study assesses and quantifies safety and justice for humanity on Earth, finding that numerous boundaries are already transgressed. The results conclude that a just approach is essential to planetary stability, and setting targets can prevent significant harm.
Current measures to protect grasslands in the Qinghai-Tibetan Plateau are damaging the ecosystem and should be stopped. Small burrowing mammals, like the plateau pika and zokor, play crucial ecological roles in maintaining ecosystem health and biodiversity.
A deep learning-based Transformer model, Bloomformer-1, has been developed to identify the driving factors of algal growth in the Middle Route of the South-to-North Water Diversion Project. The results reveal that total phosphorus is the most significant factor affecting algal growth, especially in the Henan section, while total nitrog...
A new assessment by University of Colorado at Boulder researchers reveals that over 50% of the world's largest lakes are losing water. The study found that climate change and unsustainable human consumption are major contributors to this decline, with many lakes in dry and wet regions experiencing significant losses.
Researchers developed algorithms to analyze acoustic signals from fire hydrant-mounted hydrophones, pinpointing leaks in aging water distribution networks. This technology supports water conservation efforts, especially in the Western US where leaks are a significant issue.
A team of researchers from Peking University found that temperature-dependent rock thermal conductivity and specific heat capacity affect the long-term thermal performance of Enhanced Geothermal Systems (EGS). The study showed that increased thermal conductivity improves thermal conduction, while decreased specific heat capacity impair...
Researchers developed a suite of tools to assess economic benefits of improving urban stream water quality. The 'ecological production function framework' estimates use and non-use benefits, including increased property values and protected natural resources.
A new study reveals that Indigenous groups in the western US are struggling to turn their legal right to water into actual water use, despite having settled their water-rights claims. The findings show that tribes are likely using only a fraction of their entitled water rights, resulting in significant revenue losses.
A new study suggests that large animals are disadvantaged due to their limited traveling speeds, which can be attributed to their inability to effectively dissipate excess heat generated by their muscles. This limitation leads to slower travel speeds compared to medium-sized animals.
A new Dartmouth study examines how changes in precipitation and temperature due to global warming affect streamflow and flooding in the Northeast. The research finds that a warmer climate will lead to increased streamflow and higher flood risk, particularly if soils become wetter and more prone to heavy rainfall events.
Researchers develop 'Human Appropriation of Net Primary Production' (HANNP) metric to accurately estimate human impacts on the earth's systems. This new approach starts at the source, measuring the total biomass produced through photosynthesis and comparing it to what humans have appropriated for their own use.