Articles tagged with Water Management
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
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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.
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.
The article discusses the challenges of reducing agricultural greenhouse gas emissions to zero, but found that technology can help farmers lower pollution by up to 45 percent. The study proposes using carbon-free energy sources, sustainably produced bioenergy, and techniques to capture emissions from these energy sources.
Researchers at the University of Illinois created a new system for desalination using microchannels in Prussian blue electrodes. The study found that adding these channels increased seawater desalination efficiency by five times, reaching salinity levels below freshwater thresholds.
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 new study from the University of Colorado Boulder documents more than 60 years of change in snowpack water storage across Western North America. The researchers found that snowpack water storage has significantly declined in over 25% of the Mountain West, leading to earlier water scarcity and impacts on agriculture and wildfire risk.
Researchers at NCAR create detailed drought forecasts using statistical methods and machine learning, predicting summer drought conditions in 81-94% of cases. The technique can help manage water resources, prevent wildfires, and inform agricultural decisions.
A pair of studies finds that the US Magnuson-Stevens Act is working as intended to rebuild threatened fish populations and increase their size. In contrast to critics' claims, the policy does not unduly limit catch or revenue, but rather rebuilds depleted stocks with significant gains in size.
An international team reconstructed groundwater evolution in the Great Basin, USA, combining calcite deposits and numerical models. The results show the elevation of the water table was three to four times more sensitive to recharge during dry climates.
A 24-year study of freshwater fish exposed to warm water pollution found changes in growth rates, death rates, and size. Despite expectations, the study revealed that warmer waters led to larger fish, contradicting general predictions of global warming's effects on natural ecosystems.
A new study from Harvard T.H. Chan School of Public Health estimates that regulations reducing lead and copper contamination in drinking water generate $9.2 billion in health benefits annually, exceeding the EPA's public estimates by an order of magnitude. The analysis also reveals at least $2 billion in infrastructure benefits, bringi...
Study in Florida Bay reveals that turtlegrass can successfully recruit into open bare sediment following die-off events due to biomass partitioning and efficient oxidation. However, recovery of seagrass meadows takes time, with full recovery taking at least a decade.
Researchers at Ohio State University found that only 6% of countries provide for all citizens in an ecologically sustainable way. The study measured the ecological and social impact of water and carbon use, finding that while 67% operate safely and sustainably in water use, only 9% do in carbon sequestration. The US is among the majori...
Researchers from the University of South Florida and EPA developed a new classification system to target wetland restoration and protection. The system categorizes freshwater wetlands into four classes based on their proximity to streams, demonstrating the effects of wetlands on water quality at a continental scale.
Researchers developed a SMART approach to engage with communities in developing real-time early warning systems for floods, combining meteorological data with social factors. This approach aims to improve protection for vulnerable people and properties, particularly in mountainous regions.
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.
The 57th annual meeting of the Geological Society of America's South-Central Section will take place in Oklahoma, USA, from March 13-14. The event features a diverse program covering various geologic disciplines and includes environmental-related sessions on topics such as hydrogeology and unconventional resources.
Researchers analyzed two US Army Corps of Engineers flood megaprojects in Rhode Island that emerged simultaneously after hurricane activity around the 1950s. The study found that strong public support and political backing were crucial factors in advancing one project, while the other failed to gain momentum due to environmental concer...
Researchers at KAUST have developed a rapid and sensitive soil moisture sensor using metal-organic frameworks (MOFs) to optimize water usage in agriculture. The MOF-based sensor shows high sensitivity and selectivity for water even in the presence of metal ions, enabling precise irrigation management.
New analyses suggest that climate change alters global precipitation and evaporation patterns, leading to increased sensitivity in river water availability. This study revises forecasting models by incorporating local measurement data from over 9,500 catchments worldwide.
A new study on Chesapeake Bay water quality found that pollution thresholds affect reduction efforts, and larger reductions may be needed to induce complete reversal of eutrophication-induced hypoxia. The research revealed that the system responds only until a certain threshold is crossed, then it takes twice the effort to make a change.
Researchers discovered 'dhaka' pits that stored surface and ground water for the city, managing a stable supply during dry periods. The ancient civilization's innovative approach to water management may offer valuable lessons for modern societies.
A recent study by Concordia researchers Kregg Hetherington and Élie Jalbert examines the Montreal Big Flush event, a media circus surrounding municipal sewage repairs. The authors argue that effective affective maintenance was employed by city administrators to manage public outcry.
A new UC Riverside-led study reveals that drought-tolerant trees in urban areas use significantly more water than their natural counterparts. The research found that even 'drought-tolerant' species like eucalyptus and ficus increase their water intake when irrigated.
Research by Dr. Jessie Turner and colleagues highlights the impact of water-clarity metrics on seagrass and light-loving organism restoration goals. The study suggests that different measurement methods can misrepresent underwater light climates, emphasizing the need for clear communication of methods used.
Researchers found that riparian buffers can increase stream flow during low-flow events and maintain water levels in areas with high future development. However, the effectiveness of buffers was limited, and they were not enough to mitigate extreme changes in stream flow.
A team of researchers from Xi'an Jiaotong-Liverpool University and other institutions has identified a flexible and user-friendly model for predicting flood frequency in a changing environment. The fractional polynomial-based regression method is more effective than existing models, which often fail to account for factors like climate ...
Scientists have discovered a long-sought plant water loss-regulating sensor, composed of two proteins working together to regulate stomatal movements in response to changing CO2 concentrations. This finding has significant implications for trees, crops, and wildfires, as well as efficient plant water use and CO2 uptake.
A comprehensive analysis of 20 US cities reveals widespread failure to incorporate equity and justice principles in green infrastructure planning. The study highlights the need for fundamental transformation in planning processes to ensure that benefits are distributed fairly and marginalized communities are involved.
Researchers from Politecnico di Milano investigated water's role in conflicts, focusing on socio-hydrological conditions and unequal resource use. The study provides a new methodological approach to understanding natural resource conflicts, with potential applications for creating more accurate representations of socio-ecological systems.
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 KIT study reveals that low-temperature aquifer thermal energy storage is a promising technology for reducing greenhouse gas emissions from heating and cooling buildings. The study found that over 54% of German territory is suited well or very well for this system, with the potential to increase by 13% by 2100.
A new study by CABI suggests that a tiny weevil (Stenopelmus rufinasus) can save Great Britain up to £16.8 million in annual management costs of the invasive aquatic fern Azolla filiculoides. The estimated benefits of the weevil's biocontrol range from £800,000 to £1.6 million per year.
Researchers from Singapore University of Technology and Design show that restoring natural water availability to the Mekong's floodplains is possible through coordination among hydropower producers. By altering dam release decisions and production plans, key components of hydrological variability can be restored, leading to improved ec...
A new study found that cover crops grown concurrently with cash crops can effectively reduce weed biomass in California orchards. The researchers discovered that planting cover crops early in the growing season, when adequate moisture is available, results in predictable and abundant plant cover.
A University of Maryland study found that stakeholders agree on the need for a decentralized approach to stormwater management but diverge on responsibility. Two groups believe stormwater poses a public threat, while the third sees it as an underutilized resource that can be managed with technology.
Researchers at Okayama University found that an acidic adsorption layer in carbon nanotubes facilitates efficient adsorption of negatively charged nitrate anions, making the aqueous solution alkaline. This study provides a novel model for designing carbon nanotubes suitable for ion adsorption and purification.
Research identifies Colorado River flow decline as main cause of Salton Sea's shrinking, leading to increased salt and chemical concentrations. The study highlights the need for a watershed-centric approach to mitigate the environmental risks and health impacts of the Salton Sea's decline.
A workshop on flood risk governance in Brazil and the UK identified research gaps, including local data, integration systems, and visualization tools. Innovative initiatives are being developed using tools such as an app that empowers citizens to input data and improve disaster prevention.
Researchers applied a new integrated model linking surface water to groundwater to estimate water resources at high spatial resolution. The study found that irrigation increases atmospheric water loss but reduces groundwater support, especially during dry seasons.
A new review highlights the need for more research on the effects of wildfires on water quality in watersheds. The study found that pollutants from burned structures can exceed regulatory limits and affect the surrounding ecosystem, leading to increased risk of water contamination.
A study by Helmholtz Centre for Environmental Research - UFZ found that climate-induced deforestation can lead to a significant increase in dissolved phosphorus concentration and nitrogen levels in reservoirs. This can result in an overgrowth of diatoms and green algae, compromising water quality.
Climate change affects European agriculture in distinct ways across regions, with southern Europe experiencing the highest number of initiatives and adaptations. Northern Europe expects a longer growing season, while central and southern Europe struggle with drought and erratic rainfall.
A new study found that 72% of methylmercury concentration variance in largemouth bass can be explained by land cover types. Monitoring efforts should focus on ecoregions with increased sensitivity to atmospheric mercury deposition.
New research from the University of Waterloo suggests that relying on stormwater management ponds to restore wetlands is unsustainable and lacks critical ecosystem services. The study found a low proportion of wetlands left in areas with high pond creation rates, posing an environmental challenge.
A study by Australian National University found that at least 25,245 people in remote communities had access to non-compliant drinking water services. The researchers also identified 408 locations with poor water quality, including 40% of Indigenous communities. A national drinking water database is urgently needed to address these gaps.
A new climate change study finds that water resources will become more variable and unpredictable due to declining snowpack, resulting in less reliable runoff and streamflow. This decline will have cascading impacts on ecosystems that rely on snow-based water resources, including drying out soils and increasing fire risk.
Researchers created a dataset quantifying trends of evaporative water loss from 1.4 million global lakes and artificial reservoirs, revealing a 15.4% increase in long-term lake evaporation volume. This finding highlights the importance of accurate information for water management decision-makers in addressing climate change impacts.
The Tibetan Plateau's water supply is under strain due to rapid melting of snow and upstream glaciers. This scarcity could lead to increased risks of international and intranational disputes in countries relying on it.
Researchers at FAU Harbor Branch develop an ocean model to study connectivity between the Everglades and Florida Keys via Florida Bay. The tool aims to predict changes in responses to water management, ecological restoration and climate change.
A new irrigation decision support system enables growers to practice more efficient irrigation by analyzing climate predictions, humidity sensors, and irrigation meters. This system allows for optimal watering schedules and reduces water consumption by up to 20% through controlled deficit irrigation strategies.
A new study reveals that large-scale hydrological models producing global irrigation water withdrawal estimates are unreliable due to overlooking uncertainties and traditional irrigator practices. The researchers argue that these biases can lead to grave policy misjudgments, devastating consequences and inaccurate water management.
A SUTD study has uncovered the reservoir filling strategies and operating rules of China's big hydropower dams on the Lancang-Mekong river. The data shows that dam operations remained steady during a severe drought, indicating no need for emergency releases to mitigate its impact.
A new study has identified 100 crucial global water questions facing the planet today, including water scarcity, sanitation, and climate dynamics. The research emphasizes the need for concerted efforts in interdisciplinary research and action to address the consequences of human governance failure on water resources.
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.
Researchers at North Carolina State University found that soils in the Walnut Creek watershed can absorb over 99% of precipitation events, contradicting previous studies. The study suggests that urban planners address flooding problems by considering the amount and location of paved surfaces rather than soil composition.
The Mekong Delta in Vietnam could be almost completely submerged by sea water by the end of the century if urgent action is not taken. A Politecnico di Milano study identified six measures to increase the survival of the delta, including regulating sediment extraction and implementing natural coastal protection solutions.
A new study provides a framework for predicting snowpack runoff and its impact on flood risk during rain-on-snow events. By leveraging hourly data from existing snow monitoring stations, researchers have created a decision support tool that can help water managers prepare for potential flooding.
Scientists developed a method to estimate summer rainfall in the Southwest months in advance, performing well in Arizona. By analyzing lower atmosphere moisture, they created monthly forecasts to aid reservoir storage and water allocation decisions.
Researchers developed an interdisciplinary resilience framework to understand the connection between social and water systems in communities like the Choyeros. The framework explores how social systems impact water supply resilience and vice versa, providing a tool to generate conversations and coordinate responses.