Articles tagged with Water Resources
Researchers from UConn and Yale have developed a compact, solar-powered water disinfection system that combines existing methods. The system effectively utilizes photosensitizers to kill viruses and bacteria in water, providing a clear indication of when the water is safe to drink.
Researchers found that sediment loading to streams is significant under current conditions and that individual road crossings have a minimal impact. The study highlights the importance of considering the entire watershed when managing unpaved roads and pastures for maximum water quality effects.
A team of researchers has created a map of 33 subglacial lakes in the Canadian Arctic, revealing unprecedented detail about these bodies of water. The discovery helps scientists better understand the rapidly melting region and its implications for glacier loss and climate change.
The Re-Analysis of Water for Society (RAWS) project seeks to create a detailed daily record of the world's freshwater systems spanning 60 years. By combining advanced water modeling with artificial intelligence and integrated global datasets, RAWS aims to provide a clearer picture of how water systems have changed over time.
Researchers at Tufts University developed a proof-of-concept for efficient AI systems using neuro-symbolic AI, reducing power consumption by 100 times while providing accurate results. The approach uses symbolic reasoning to limit trial and error during learning, leading to faster completion and significant energy savings.
Researchers found that most successful initiatives incorporated multiple intervention categories, with over 80% involving alternative water sources. Implementing policies and environmental markets were also effective strategies. The study highlights the importance of multi-pronged approaches to address declining groundwater resources.
The MountAInWater project uses a unique combination of field work, modeling, and AI to assess climate change impacts on mountain water supplies and identify potential tipping points. The global reanalysis will provide crucial resources for managing future water security challenges.
Researchers found that tilling and compaction disrupt intricate capillary networks within the soil, causing it to pool rainwater and form a muddy crust. The study provides a clear explanation for why tillage changes the structure of soil in ways that affect water retention.
A free webinar, part of the Sustainable Microbiology Policy Spotlight journal webinar series, explores how microbiologists can effectively influence policy in the UK. The webinar, featuring senior policymakers and parliamentary affairs professionals, will take place on April 1, 2026, and will be recorded for retrospective viewing.
Research shows glacial lakes in Alaska expanding 50% faster than previously recorded, posing significant hazards and altering ecosystems. The study identifies areas where lakes may form and grow, helping with infrastructure planning and predicting changes to ecosystems, hazards, and recreation.
Forest thinning found to improve wildfire risk reduction and hydrological resilience, increasing snowpack depth by 30% on north-facing slopes. The treatment recovered about 12.3 acre-feet of snow-stored water per 100 acres, equivalent to roughly 15 Olympic swimming pools per square kilometer.
Researchers found that widespread flooding in the Middle Yangtze Valley led to the decline of the Shijiahe culture around 4,200 years ago. The study used stalagmite analysis to reconstruct rainfall patterns and show that high-rainfall intervals were associated with increased flooding and a significant decline in population.
Emerging microbially-powered technologies can convert up to 35% of wastewater's chemical energy into electricity and extract valuable nutrients. This approach could power agriculture, global sanitation and its own treatment, while reducing pollution and overcoming regulatory obstacles.
A new collaborative study evaluates potential dust control measures for the Great Salt Lake, considering effectiveness, cost, water demand, maintenance needs, and ecological impacts. The analysis emphasizes the importance of long-term planning, sustained maintenance, and careful consideration of unintended consequences.
The University of California, Irvine, has been awarded a $1.39 million grant to tackle non-point source pollution from agriculture and urbanization in the US and China. The research will focus on severe eutrophication and harmful algal blooms caused by agricultural runoff and urban pollutants.
An international team has successfully documented and sampled freshened water within a zone nearly 200 metres thick beneath the ocean floor. This discovery sheds light on offshore freshened groundwater systems and their relevance to coastal communities relying on groundwater for freshwater supply.
A new spatially explicit framework tracks water supply and allocation in protected areas, highlighting significant spatial disparities. The study recommends differentiated pricing and basin-specific responses to optimize HQWR utilization, addressing ecological sustainability and equity.
Researchers identified key policy levers to support water sustainability in the Yellow River Basin and developed a network integrating 53 SDG indicators. The network demonstrates superior structural stability and predictive power compared to traditional models.
A study found that hydroclimatic extremes and changes in agriculture led to the collapse of the Tang dynasty in 907 CE. The research analyzed tree ring data and concluded that increased droughts and floods took a toll on the empire's outer borders and agricultural systems.
New research reveals that land subsidence caused by humans is the main culprit behind delta sinking, posing increased flooding risk to 236 million people. The study identifies groundwater extraction as the dominant cause of subsidence, highlighting the need for urgent local interventions.
Researchers at Princeton University and the University of Arizona created a detailed map of groundwater levels across the US using direct measurements and AI methods. The map estimates 306,000 cubic kilometers of water, more than 13 times the volume of all Great Lakes combined.
A team of geoscientists has identified a massive underground reservoir of freshwater beneath the Great Salt Lake, extending thousands of feet below the playa. The aquifer is believed to contain water dating back to the Ice Age, which could provide a new source for restoring lakebed crusts and reducing dust storms.
Researchers have found that El Niño and La Niña are driving total water storage extremes globally, with a synchronizing effect on water storage across continents. The study uses gravity data from NASA's GRACE and GRACE Follow-On satellites to track water extremes and their connections.
The US has more than 4 million miles of rivers, but existing regulations only account for less than 20% of total river length. Freshwater conservation strategies have historically focused on land use and development, leaving gaps in protection measures for lakes, rivers, and wetlands.
A new study found that popular AI tools for predicting river flow often misinterpret how heat and evaporation affect water, raising concerns for flood and drought planning. The researchers developed a hydrology-specific 'explainable AI' framework to uncover these issues.
A nationwide study found that water treatment methods using chlorine as a primary disinfectant increase the risk of Legionnaires' disease. Chlorine used as a secondary disinfectant also increases disease rates, whereas monochloramine reduces the risk.
The journal prioritizes research on emerging contaminants, water-carbon-nutrient interplay, and advanced modeling technologies to inform policy and optimize multi-objective management strategies. The new leadership aims to steer the field toward a more sustainable and resilient future for our planet's essential water systems.
The 106th Annual Meeting of the American Meteorological Society will focus on the intersection of technology and human decision-making in weather, water, and climate sciences. The meeting will feature keynote presentations, Presidential Sessions, and named symposia highlighting key Earth science topics.
A study analyzing over 100 cities in Asia, Africa, and Latin America found that compact urban planning is crucial for delivering water and sanitation to growing populations. The research suggests that if cities spread outward rather than building more densely, access to clean water and basic sanitation could be significantly impacted.
A research team led by Göttingen University found that urban blue spaces play a critical role in food security and social inclusion in four major Indian cities. Women, the elderly, and marginalized communities most frequently collected, shared, cooked, and sold food products.
Researchers investigate how adjacent cities exacerbate each other's heat island effects. A study also highlights the need for improved hindcasting infrastructure in climate science. Additionally, a campaign monitors pinned clouds over industrial sources of heat and finds that trees are more reliable against heat stress than buildings.
The study found that more than half of the water consumed in the basin is used unsustainably, with only 48% naturally replenished each year. The researchers suggest adopting deficit irrigation practices and repurposing farmland for habitat restoration or solar farms to address the crisis.
A Washington State University-led study in Guatemala found that community perceptions of water safety often do not align with actual water quality. Bottled water was found to be the most frequently contaminated source, with only 17% meeting World Health Organization standards.
MIT engineers have developed an ultrasonic device that vibrates at high frequency to shake out water molecules from a material, recovering clean drinking water in minutes. This design is 45 times more efficient than existing heat-based systems, which can take hours or days.
Researchers project that Chile's glaciers will only be able to contribute half of today's runoff meltwater during extreme dry summer months. They call for effective water management strategies and coordinated global climate policies to mitigate future megadroughts.
A recent study by Asher Rosinger found that children who drink their tap water and live in food-secure households consume fewer calories from sugary drinks. This suggests a link between water insecurity and sugar-sweetened beverage consumption, highlighting the importance of universal access to safe drinking water for children's health.
The study found that sand mining in the Mekong River is causing a decline in the reverse flow system that feeds water into Tonlé Sap Lake. The lake is home to 885 species and provides livelihoods for almost two million fishers, but its future is at risk due to the increased extraction rates.
The Willcox Basin in Arizona is experiencing rapid subsidence due to excessive groundwater pumping for irrigation, with some areas sinking at rates of up to six inches per year. State management efforts, such as declaring an Active Management Area, may help slow subsidence and improve water levels.
Researchers track benthic nutrient fluxes using a new device called CAROSEL, which measures nitrogen released from sediments in real-time. The findings reveal daily rhythms in oxygen fluxes and highlight the importance of understanding sediment-water interactions in managing aquatic ecosystems.
A new University of California, Davis study finds that drought in California pushes the price of water from rivers, lakes, and reservoirs up by $487 per acre-foot, more than triple the cost during an average wet year. Managing groundwater and surface water together could keep water prices steady and support the state's economy.
Lehigh University researchers are collaborating with Dow on a three-year NSF-funded project to understand the chemistry behind full degradation of these polymers. The goal is to develop strategies for selective mixing of microbial communities to target different parts of the polymer for complete breakdown.
A multidisciplinary team identified a network of water tunnels carved into soft tufa rock at Nahal 'Amal, which powered sugar mills during the Mamluk period. Radiometric dating suggests these channels supplied water to sugar mills, highlighting local ingenuity and adaptation to scarcity.
A study by Politecnico di Milano reveals China's increasing demand for animal proteins sustains the consumption of natural resources in Brazil. The research shows that soybean imports to China have a significant impact on Brazilian land use, water resources, and deforestation.
Researchers at University of Hawaiʻi at Mānoa identified Caulobacter inopinatus, a previously unknown species found in seawater collected near Oʻahu's south shore. The discovery highlights the connection between land and sea ecosystems through microbial exchanges.
A study published in Water Resources Research reveals that human groundwater pumping has depleted Tucson-area aquifers more than natural climate variation over the past few decades. The research team reconstructed groundwater ages, recharge rates, and water table depths using chemical and isotopic markers.
Researchers have developed a novel coating with controllable crack structure that enables efficient evaporation, pollutant degradation, and mechanical stability. The coating achieves high evaporation rates and effective purification of seawater, with a removal rate of over 99% for pollutants.
A new study reveals that global warming is accelerating the risk of multi-year droughts leading to extreme water scarcity. The frequency of Day Zero Droughts will increase sharply over the coming decades, affecting 750 million people globally by the end of this century.
The Trusted Tap project enables households to monitor their tap water quality using commercially available filters and sending them to Washington University in St. Louis for analysis. This allows households to receive guidance on next steps if contaminants are detected, promoting safe drinking water for all Americans.
Research finds fish diversity declining in arid regions of US and Australia due to reduced water availability. Climate change is also affecting these ecosystems, but the study's findings suggest multiple stressors are at play.
Researchers found that targeted snow monitoring at hotspots can improve water supply predictions in most basins, with typical gains of 11-14% compared to 4%. This approach is more cost-effective than basin-wide surveys and has potential for more accurate forecasts.
Six Japan-led programs will be presented at the Science Summit UNGA80, addressing global challenges such as food and water security, rare diseases, inclusive education, and research ethics. The programs are open to a global audience and offer free registration.
As Arctic permafrost thaws, geochemical reactions unleash metals like cadmium, harming fish and disrupting ecosystems. The Salmon River's transformation poses indirect threats to Indigenous communities and other species.
Advanced filtration systems can cut levels of cancer-causing DBPs, nitrates, and heavy metals, in addition to removing toxic PFAS from drinking water. The Environmental Working Group study found significant reductions in these contaminants across 19 US utilities.
A new study suggests that adopting a 'mixed services transition approach' can improve the ability of collaborative groups to deliver their stated goals. This approach involves starting with small-scale implementation activities while formal planning is finalized, securing additional funding and outlining changes in structure.
Researchers warn of declining access to safe and reliable water in the US, urging better tracking tools and policy reforms. A new tool, Household Water Insecurity Experiences (HWISE), measures water insecurity in over 1,000 households across the country.
Glacier-caused flooding is an annual threat in Juneau, with record-breaking floods over the past two years impacting hundreds of homes. The USGS provides real-time monitoring data to help emergency managers make informed decisions about evacuations and road closures.
A recent study in Nature Geoscience offers important new insights into the hidden role of ancient groundwater beneath the ocean floor. Researchers found that fossil groundwater changed its composition after the retreat of the Fennoscandian ice sheet, becoming vulnerable to mixing with seawater.
A new Virginia Tech study reveals that toxic well water primarily affects household pets, with 64% of dog drinking water samples containing high levels of potentially toxic heavy metals. Researchers found a correlation between untreated well water and poor health in dogs, highlighting the need for households to test and treat their water.
Recent research from American Meteorological Society journals predicts a new record for lightning and a decrease in hurricane frequency. Additionally, fire forecasts have been updated to better manage water resources in Colorado's Gunnison River Basin.
A new global study reveals unprecedented freshwater loss since 2002, with four continental-scale mega-drying regions in the northern hemisphere. The findings warn of severe consequences for water security, agriculture, and sea level rise.