Search results for “Ground Water”

Saitama University researchers reveal how “ductile” tunnel supports deform under simulated squeezing-ground pressure

Researchers studied deformation-accommodating support systems incorporating yielding elements to address squeezing ground deformation in tunnels. The study found that the deformation behavior of the entire support system changes depending on the installation angle of yielding elements.

Complex simulations: New findings on proton transport in water

An international team of researchers simulated proton motions in water with unprecedented accuracy, finding that the configuration of surrounding water molecules determines proton movement. The study expands current understanding of how water shapes proton transport.

Simulations show distinct ground motion signatures of supershear earthquakes

Researchers found that sustained supershear earthquake ruptures produce stronger ground motion amplitudes and higher peak ground velocity up to 20 kilometers away from the fault. The duration of shaking also varies between subshear and supershear ruptures, with longer shaking near the fault due to a 'double punch' effect.

Wealthier and more populated metropolitan areas respond more strongly to early drought news by saving water

This study found that households in metropolitan areas with higher population density and income levels show stronger voluntary water conservation during drought. The AI-based scenario analysis showed that increased drought-related news coverage leads to significant water savings in these regions, but has a limited impact on rural areas.

Isotopic signatures link hot spring magmatic water to the subducting pacific plate

Researchers used numerical simulations and isotopic data to connect hot spring magmatic water to the subducting Pacific Plate. The study found that magmatic water from Kawayu Onsen in Japan closely matched isotopic values released from the Pacific Plate at a depth of 125 km.

Paula Rubio-Fernández receives ERC Advanced Grant for research on common ground in multimodal communication

Paula Rubio-Fernández has been awarded an ERC Advanced Grant to test and develop a new theory of common ground in conversation. Her project aims to understand how people build and manage shared understanding through real-time multimodal interaction.

Water in biomass may help shape better biochar, new study finds

Researchers found that both free water and bound water slowed the intensity of pyrolysis reactions and increased biochar yield. A biomass water content of around 30% may offer a practical balance for pyrolysis, balancing biochar yield and energy demand.

A snapshot in time: Ancient ground squirrel droppings, dating back 700,000 years, reveal rich details about evolutionary history of the Arctic

Researchers analyzed permafrost samples to recover ancient environmental DNA, revealing genetic diversity among Arctic ground squirrels. The study uncovered previously unknown lineage dating back 700,000 years, challenging previous assumptions about fossil remains.

New MOF material harvests water from air in ultra-dry conditions

Researchers have developed a new metal-organic framework (MOF) that captures 170 mg of water per gram at just 0.2% relative humidity, one of the highest water uptake capacities reported in such conditions. The material shows excellent stability and selectivity for water molecules over nitrogen.

New method turns ocean water into drinking water, without waste

A novel solar-thermal desalination process produces fresh water in an energy-efficient way, eliminating brine and chemical additives. The technology leverages the 'coffee ring' effect to extract salts from seawater, producing nearly 100% of the salts in solid form.

Himalayan rivers are shifting their course faster due to climate warming

Climate change is accelerating Himalayan river migration rates by nearly doubled, with increased risk of flooding, erosion, and damage. The study reveals that thawing frozen ground and glacier melt are driving these changes, posing implications for water security and infrastructure planning.

New project TransEuroOGS will link optical ground stations across Europe

The TransEuroOGS project establishes a network of interoperable optical ground stations across Germany, Greece, Ireland, and Luxembourg to enable quantum-secure space-to-ground communication. The project aims to address challenges in secure transnational communication using quantum key distribution.

A faster, smarter ground station for crowded skies

UN scientists warn that over 60% of developing countries face overlapping socioeconomic and water security challenges, affecting 2 billion people

A new UN report reveals that poor water quality is closely linked to poverty and gender inequality in the Global South. The study finds that 84 countries face a combination of unsafe drinking water, limited financial resources, and gender inequality, affecting nearly 2 billion people.

Less water, same taste: New approach helps growers produce sweet corn more efficiently

University of Missouri researchers developed an irrigation strategy that allows farmers to conserve water while maintaining crop quality. By tailoring water amounts based on plant growth stages, farmers can reduce water usage and costs.

Twisting water

The study reveals that the first four layers of water molecules possess a well-defined orientational structure with alternating molecular tilt and twist angles. This new understanding has important implications for processes at aqueous interfaces, including electrochemical devices such as batteries.

Saving water, generating energy and making tomato cultivation more sustainable at the same time

Researchers at the University of Seville and Polytechnic University of Madrid demonstrate a new method to grow tomatoes beneath solar panels, reducing water consumption by 50% while generating clean energy. The agrovoltaic system improves irrigation management, increasing fruit productivity for every drop of invested water.

Warmer winters and snow drought may threaten western U.S. water by speeding flows, study finds

A new study finds that warmer winters will lead to faster water transit times in the western United States, negatively impacting summer water levels and quality. The research focuses on the Naches River basin, where snowpack declines have already resulted in earlier spring discharges.

New constraints on subducting plate near Oregon coast suggests increased ground shaking during Cascadia megaquake

A new study suggests that a shallower Juan de Fuca slab beneath northern Oregon could increase estimated peak ground acceleration by 9-17% during Cascadia megathrust earthquakes. The research also identified a deep sedimentary basin beneath Tillamook, Oregon, which could amplify ground shaking and have been well-studied in other parts ...

OU researcher helping lead $9.5M global water modeling project

A University of Oklahoma researcher is leading a global water modeling project to create advanced tools and datasets for managing fresh water sustainably. The Re-Analysis of Water for Society (RAWS) project aims to shed light on how humans can best manage fresh water for long-term sustainability.

Researchers from UConn and Yale have developed a new solar-powered water disinfection system

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.

Water, water everywhere - but how to find it?

Researchers compared commercial PlanetBasemap data to a public data set from the United States Geological Survey and found that higher-resolution imagery detects more small bodies of water. However, in seasons with high vegetation, public data excels at detecting water hidden beneath forest cover.

Experimental discovery of a new critical point in water

Researchers at Stockholm University have found a new critical point in supercooled water at around -63 °C and 1000 atmosphere. This discovery explains the unusual properties of water, such as its density and viscosity responding to pressure and temperature changes in ways that are opposite to other liquids.

Using ‘imaginative’ AI to survey past and future earthquake damage

Researchers developed an AI model to create highly photorealistic 3D reconstructions of ground-level damage after earthquakes. The LoRA-Enhanced Ground-view Generation diffusion model can recognize complex visual patterns and predict where structures may be damaged, even in densely populated urban areas.

Houston’s Rice WaTER Institute and Israel’s IDE Technologies collaborate to advance water treatment solutions

The partnership aims to develop groundbreaking water treatment solutions in areas like desalination, brine management, PFAS treatment, and resource recovery. The collaboration will leverage IDE's expertise in commercial water treatment and the WaTER Institute's research prowess.

How velocity models change earthquake shaking predictions in southwest China

Researchers found that three-dimensional velocity models can reasonably reproduce observed ground motion, outperforming one-dimensional models. Averaging predictions from multiple models reduces systematic bias and improves results.

Why plants fail in dry soil

Researchers found that plants cannot extract water from dry soil due to increased capillary and viscous forces. The plant's own properties are not limited, but rather the soil's ability to release water.

Biochar type shapes how water moves through phosphorus rich vegetable soils

Two types of biochar, rice husk and palm silk, influence water infiltration and leakage in phosphorus-enriched vegetable soils. Biochar slows water movement, reducing phosphorus leaching and improving water retention for crops.

World Water Day 2026: Applied Microbiology International to hold Gender Equality and Water webinar

App Applied Microbiology International will host a free webinar on 'Gender Equality and Water' to mark World Water Day 2026. The event aims to centred women and girls in water solutions, recognizing their voices, leadership and agency as critical enablers of gender equality.

Long-term warming transforms mountain meadows above and below ground

Climate change alters high-elevation meadows, causing plant communities to shift towards shrub-dominated landscapes. The changes also affect the soil ecosystem, with declines in mycorrhizal fungi and increases in decomposers.

Korea University, Stanford University, and IESGA launch Water Sustainability Index to combat ESG greenwashing

A new framework introduces the Water Sustainability Index (WSI), a transparent, quantitative metric designed to strengthen corporate water accountability worldwide. The WSI evaluates corporate water withdrawals, consumption, discharge quality, and reuse while accounting for local water scarcity.

ASU researchers to lead AAAS panel on water insecurity in the United States

Growing evidence shows water insecurity is an increasing challenge in the US and other high-income countries. Rural areas face unreliable access to safe and affordable water due to aging infrastructure, lack of maintenance, and extreme weather events.

Drones equipped with cost-effective sensors can help to monitor air quality more effectively

A study by Leibniz Institute for Tropospheric Research found that particulate matter concentrations depend heavily on height above ground level. Drone measurements supplemented with standard data improved air quality models and strategies to combat air pollution.

Elevated lead levels could flow from some US drinking water kiosks

A study by researchers found that some US drinking water kiosks contain lead levels above public health recommendations, despite using reverse osmosis (RO) treatment. The source of the lead is attributed to corroded brass plumbing components in the kiosks.

China’s water–supply carbon emissions: the hidden impact of economic growth

A recent study found that China's water-supply carbon emissions rose to 228 Mt CO2 by 2022 due to increased reliance on energy-intensive water sources. The research emphasizes the need for low-carbon alternatives and integrated governance to address the water-energy-carbon nexus.

Listening to polymer collapse: Water bridges pull the strings

Scientists discovered that water bridges organize PNIPAM's structure as it contracts and expands, with water pulling the strings rather than direct polymer contacts. Long supercomputer simulations followed billions of time steps to analyze the motion of PNIPAM in water.

Extensive freshened water beneath the ocean floor confirmed for the first time

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.

Some bottled water worse than tap for microplastics, study shows

A new study by Ohio State University researchers found that some bottled water contains significantly higher levels of microplastics than tap water. The study used a novel method for detecting tiny particles and analyzed water samples from four treatment plants near Lake Erie and six different brands of bottled water.

“Sustainable Water³ Space” network for water sustainability in Yellow River Basin

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.

World enters “era of global water bankruptcy”; UN scientists formally define new post-crisis reality for billions

The United Nations University reports that many regions are living beyond their hydrological means, with critical water systems already bankrupt. The study defines 'water bankruptcy' as persistent over-withdrawal from surface and groundwater relative to renewable inflows and safe levels of depletion. This has resulted in a growing list...

World enters era of “Global Water Bankruptcy,” declares UN report led by CCNY's Kaveh Madani

A new UN report warns that humanity has entered a state of 'Global Water Bankruptcy' due to unsustainable water use. The report highlights the urgent need for a global reset in water management, shifting from crisis management to bankruptcy management.

Commercial water dispenser machines may contain more contamination than tap water

A recent study published by Loma Linda University found that commercial water dispensers can harbor bacterial growth, even after disinfection, with some studies identifying contamination as soon as a few days later. The researchers recommend regular cleaning and maintenance to prevent the regrowth of microorganisms.

Space–ground fluid AI: Paving the way for 6G edge intelligence

Researchers propose a novel framework called space–ground fluid AI to integrate edge-AI with space–ground integrated networks (SGINs) for global AI services. The framework addresses challenges of high satellite mobility and limited communication rates, enabling efficient AI tasks, secure data transfer, and energy-efficient deployment.

Tracing mountain water to its hidden sources

A team of researchers, led by Lijing Wang, used field data and modeling to explore the factors influencing mountain headwater streams. They found that evergreen forests act as a buffer for excessive snowmelt flow, while subsurface conditions like permeability control streamflow dynamics.

Study questions water safety beliefs

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.

Ultrasonic device dramatically speeds harvesting of water from the air

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.

Can drinking tap water reduce how many calories children drink?

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.

Chemistry: First proof of binding force inherent in cavity water

Researchers at Karlsruhe Institute of Technology discovered that enclosed water can influence its surroundings and favor binding between molecules. This finding could lead to the design of more effective drugs and new materials by leveraging the binding force of highly energetic water molecules.

California surface water costs triple during drought

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.

Beavers impact ecosystems above and below ground

Researchers studied beaver ponds' effect on groundwater recharge, finding a 10-fold increase in recharging water. They also explored evapotranspiration and found it can reduce recharge in certain soil structures. The study highlights the need for comprehensive analysis of beaver-induced changes to understand their impact on ecosystems.

Africa acacias ‘go for broke’ to grow, use up water to survive drought

Researchers studied the genetic response of umbrella acacia and splendid thorn acacia to drought stress. The study found that umbrella acacias prioritize continued growth over water conservation when water is scarce, using up all accessible water to survive severe droughts. In contrast, splendid thorn acacias invest in water conservati...

Successful ground-to-satellite laser communications applying next-generation error correction codes, mitigating atmospheric turbulence

Researchers have successfully demonstrated next-generation error correction codes to mitigate the impact of atmospheric turbulence on ground-to-satellite laser communications. The new codes significantly improved communication quality compared to conventional schemes, enabling practical implementation of ground-to-satellite laser links.

Poultry growers: Have you checked your water lines lately?

A new study by the University of Arkansas System Division of Agriculture reveals that water quality can significantly impact the type of microbial populations in poultry drinking water lines and litter. The study found a Bacillus species with probiotic properties was more prevalent in biofilms from poultry houses with normal sulfur-iro...

Rice University convenes leaders to tackle urgent water challenges

The Rice WaTER Institute hosted the Water Nexus Conference 2025, bringing together industry, policy, and research experts to discuss integrated approaches for safe and reliable water systems. Key findings include the need for innovative technologies, capital structuring, and operational efficiency to close the growing funding gap in wa...

Gender gap in Africa’s water leadership undermines fair policymaking

A new analysis reveals African women remain significantly underrepresented in water governance, with only 17% of national ministries led by women. Practical steps are needed to address social and institutional barriers and ensure women's equal representation in shaping policies and decisions.

Targeted snow monitoring at hotspots outperforms basin-wide surveys in predicting water supply

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.

UN report warns: international food trade diverts the world's water resources towards wealthier nations

A new UN report reveals that global agricultural trade affects water access, alleviating water scarcity for high-income populations while intensifying shortages for low-income communities. The report calls for measures to address outstanding water inequity issues resulting from international food trades.

‘Peak water security’ crisis, Texas A&M researcher warns

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.

MXene as a frame for 2D water films shows new properties

An international team investigated MXene with confined water and ions, discovering a reversible transition from metallic to semiconducting behavior of the film. The intercalated water structure drives this change, which could lead to novel devices or sensors.

Researchers mimic a mystery of nature to make ice move on its own

Scientists at Virginia Tech mimic the natural movement of boulders on Racetrack Playa by creating a metal surface with asymmetric grooves that propel melting ice. The discovery has potential applications in rapid defrosting and energy harvesting.