Articles tagged with Freshwater Resources
A recent study investigated microplastic movement in freshwater ecosystems across Pennsylvania, finding that watersheds with higher population densities and adjacent wastewater treatment plants had higher concentrations of microplastics. The research also revealed local features, such as forests and rural areas, play a critical role in...
A new study reveals that freshwater fish are accumulating antidepressants, opioids, and other drugs of abuse in their bodies, which can alter their behavior, development, and reproduction. The research uses a novel analytical method to detect these substances in small fish living in rivers receiving urban wastewater.
A recent study reveals that over-abstraction of groundwater and rising sea levels are causing significant changes in coastal groundwater levels globally. The study, which analyzed data from approximately 480,000 wells, found that more than 20% of coastal areas showed significant changes in groundwater levels between 1990 and 2024.
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.
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 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.
A recent study by Politecnico di Milano researchers reveals that environmental migration in Somalia is primarily driven by water scarcity, with over three-quarters of cases linked to droughts and food insecurity. The study emphasizes the need for community-led solutions, coordinated policies, and international collaboration to address ...
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.
A new method developed by Concordia researchers shows how small but widespread snowpack declines can ripple across Canada's water supply. The study found that usable snow water has declined sharply in areas of the Canadian Rockies, affecting a quarter of Canada's land mass and 86% of its population.
McGill researchers found that freshwater browning is stunting some fish species' growth, shrinking others' populations, and altering fish communities. This phenomenon has broad impacts on biodiversity, affecting economically important fish species such as northern pike and walleye.
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.
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 new study found the Rio Grande basin is severely depleted, with only half of used water being replenished by natural processes. The primary cause of overconsumption is irrigated agriculture, particularly cattle-feed crops like alfalfa and grass hay.
Global rice yields have suffered significantly due to severe flooding, with losses of approximately 4.3% per year between 1980 and 2015. The study highlights the need for adoption of flood-resistant rice varieties in vulnerable regions to avert future losses.
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.
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.
An international team of researchers has tracked changes in over 114,000 rivers in High-mountain Asia, finding nearly 10% of them saw an increase in flow from glacial ice melt. This shift poses a challenge for the region's energy future, particularly hydroelectricity generation, due to increased sediment and reduced reservoir capacity.
A new Stanford-led study maps beaver dams and ponds using high-resolution aerial imagery, aiding managers in prioritizing areas for restoring wetlands and reintroducing beavers. The research reveals key factors influencing beaver dam length and pond area, providing a practical tool for managing habitats and waterways.
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.
Despite poor health scores for England's rivers, independent review reveals important improvements in freshwater biodiversity, including increases in species richness and diversity. An alternative monitoring standard has been proposed to better reveal the status of different species and inform local decisions.
New research reveals that lakes relying on groundwater connections maintain stable water levels and buffer climate change impacts. Shallow lakes are vulnerable to rising temperatures and reduced rainfall due to high evaporation rates.
Two Purdue researchers received funding to advance university innovations. Andrew Mesecar aims to develop new treatments for hepatocellular carcinoma using patented enzyme inhibitors. Meanwhile, Pablo Zavattieri is working on a patent-pending system to address saltwater intrusion in the Panama Canal.
Australian scientists developed a new method to evaluate the risks posed by toxicants like insecticides in waterways. The Temporal Response Surface (TRS) approach integrates exposure duration into ecosystem protection guidelines, providing a more accurate assessment of delayed and time-cumulative aquatic ecosystem risk.
A new market-based approach to managing water in the Colorado River basin could provide more reliable supplies for farmers, communities, and industry amid ongoing drought and excess demand. Strategic water transactions that reduce water use would benefit over 380 miles of restorable river reaches.
A recent study led by WVU student Isabella Tuzzio found microplastics in every fish sampled from seven central Appalachian streams. The researchers discovered significant environmental risks and potential human health hazards due to the accumulation of microplastics in the food chain.
A new study reveals that untreated wastewater released into the Chicago River during extreme rain events significantly alters the freshwater ecosystem. Zooplankton populations disappeared or increased dramatically, affecting the entire food web and potentially infusing harmful chemicals into the water.
Most spring runoff heading to reservoirs is actually several years old, indicating that most mountain snowfall has a years-long invisible journey as groundwater before it leaves the mountains. The findings indicate there is an order of magnitude more water stored underground than most Western water managers account for.
Experts at Flinders University are calling for a new approach to water security on Pacific islands, where rising sea levels threaten local water supplies. Infiltration galleries, which extract fresh groundwater from shallow depths, may provide a solution, but more research is needed on their optimal design and performance.
Global glacier mass loss has increased by 36% since 2000, with 6,542 billion tons lost between 2000 and 2023. This results in an 18 mm annual contribution to global sea-level rise, making glaciers the second-largest contributor after ocean warming.
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 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...
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.
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.
Researchers apply hydrophilic polymer coating to nanoparticles, reducing accumulation and toxicity in Caenorhabditis elegans. The coating mitigates NP bioavailability, promoting eco-friendly nanomaterials for environmental remediation.
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.
Climate change threatens freshwater habitats, disrupting microbial communities essential for nutrient cycling and water quality maintenance. Many abundant freshwater bacteria with small genomes experience extended periods of adaptive standstill, limiting their ability to adapt to changing environmental conditions.
A new study finds that warming climate is causing a doubling of copper, zinc, and sulfate concentrations in metal sulfide-rich watersheds in Colorado's mountains. The greatest increases are seen at high altitudes, where natural chemical weathering of bedrock is the source of rising acidity and metals.
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.
A new study reveals that human activity has altered the global freshwater cycle, resulting in a significant increase in dry and wet deviations. The research found that the frequency and spread of these exceptions have nearly doubled compared to pre-industrial conditions.
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.
Researchers have found that water temperatures between 20-25 degrees Celsius are at the greatest risk for developing dangerous levels of microcystin, a common algae-produced toxin. Climate change is expected to increase blue-green algae populations, posing serious health hazards and economic risks.
Researchers have found definitive evidence that ancient Europeans ate seaweed and freshwater plants, which were previously considered marginal or non-edible. The study suggests these resources could be reintroduced into modern diets to address health and environmental issues.
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.
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.
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.
Scientists from Hokkaido University propose a cheap and effective alternative for monitoring glacial runoff by analyzing audible sounds generated at the proglacial run-off site. The method has shown promising results in detecting changes in glacier discharge with high accuracy.
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.
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 argue that polders are an important part of China's water heritage, reflecting the country's long history of water management. Over 2,500 years, polders have evolved in response to changing societal needs, adapting to agricultural modernisation and urban encroachment.
Scientists from Okayama University used environmental DNA (eDNA) to survey the distribution and population density of the endangered bitterling fish in Japan. They found that eDNA concentrations vary according to the downstream channel distance, providing a reference for conservation surveys.
The UN reports that roughly 50,000 large dams worldwide will lose an estimated 23% to 28% of their combined original storage capacity by 2050, resulting in a loss of around 1.65 trillion cubic meters of water. This loss will undermine water security, irrigation, power generation, and other essential services.
Researchers found that rusty center pivots indicate a lack of nitrate in the groundwater they feed. In fact, most wells supplying full-rust and part-rust pivots had nitrate concentrations below the EPA's safety threshold. However, some part-rust pivots showed higher nitrate levels, highlighting the need for further investigation.
A new study of thousands measures daily water intake and turnover in people worldwide, revealing significant variations. The study found that physical activity level, sex, age, and environmental factors drive differences in water consumption.
Researchers warn of impending 35-60 year droughts in western US unless greenhouse gas emissions are curbed to limit warming to 2.5 degrees Celsius. Mountain snowpack is shrinking due to global warming, threatening agriculture, ecosystem support, and urban water supplies.
A new study reconstructs streamflow data for the Colorado River up to 800 years into the past, revealing an unmatched second-century drought. Compared to current drought levels, this 22-year period had only 68% of average water flow.
A multidisciplinary project aims to develop a decision-making tool to estimate the risk of water contamination in flooded areas. The research team will collect public data and conduct field work to test their approach in small study areas, ultimately enabling Québec to reduce health risks by better protecting water quality.
The Bureau of Reclamation released a new report evaluating current and emerging snow measurement technologies to enhance water supply forecasting. The report identifies under-utilized emerging technologies with potential to improve forecast accuracy in the near term.