Articles tagged with Water Resources
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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 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 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 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.
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.
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.
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.
A UC Riverside-led study finds nearly half of domestic well water users in the Central Valley live in disadvantaged communities with high manganese contamination rates. The highest concentrations are found in private, untreated well water systems, posing health risks to fetuses and children.
A new study reveals that lake-terminating glaciers in the Himalaya have been significantly underestimated, leading to revised estimates of glacier mass loss. The research found a 6.5% underestimation, with some regions experiencing even greater discrepancies, highlighting critical implications for regional water resources.
The Tibetan Plateau's land surface darkening due to global warming affects regional and remote climates in Asia. The study predicts a 6.9% loss in glacier volume and increased monsoon precipitation over South Asia by the end of the century.
Researchers have found a new water reservoir on the Moon, discovered in impact glass beads, which can buffer the lunar surface water cycle. The study suggests that these beads can store and release solar wind-derived water, indicating their potential for in-situ resource utilization.
A new framework developed by a multidisciplinary team provides guidance to local and regional planners to anticipate and prepare for the impacts of climate change on critical civic resources. The C-FEWS framework evaluates options and makes decisions related to specific local conditions, focusing on the nexus of food, energy, and water.
Researchers at Chalmers University of Technology have developed a cellulose-based material that can easily remove 80% of toxic dyes from wastewater using sunlight. The method is cost-effective, simple to set up, and could benefit countries with poor water treatment technologies.
A recent review study led by UT Austin examines the planet's freshwater supplies and strategies for sustainably managing them. The study emphasizes the importance of recognizing surface water and groundwater as a single resource to ensure future water resilience.
Researchers found that young honey bees who followed dances of older bees improved their performance, reducing disordered dances and increasing orderly ones. Social signal learning refines behaviors for local conditions, suggesting it's advantageous for novice dancers to learn from experienced ones.
The Nile River Delta faces significant environmental threats from heavy metal pollution and coastal erosion, impacting 60 million people in Egypt. The study highlights the need for conservation measures to slow degradation and recover the ecosystem.
Researchers found that levee building and extracting subsurface resources are the main causes of land loss in the Mississippi River Delta, accounting for 40% each. The study suggests that reducing subsurface resource extraction may have slowed down land loss, offering a rosier outlook for restoration projects.
Researchers argue that Earth System Justice is necessary to identify and live within biophysical boundaries. The framework aims to reduce harm to people and nature while ensuring access to resources and minimizing tradeoffs.
Estuaries along the Atlantic coast and eastern Gulf of Mexico are expected to experience significant increases in nutrient loading, posing risks for harmful algal blooms and ecosystem health. The study identified regions with high adaptive capacity as having more resources to mitigate these effects.