Articles tagged with Water Management
Marine heat waves in the Chesapeake Bay are projected to increase by half a year by 2100, causing devastating impacts on marine life and coastal economies. The study found a significant upward trend in frequency and intensity of marine heat waves within the Bay.
A new study found that manufacturing facilities that use large amounts of water during periods of drought often streamline their processes to lower toxic emissions into water, lakes, and rivers. On average, these changes resulted in reduced toxic emissions by over 2.5%.
A nationwide analysis of 20 US cities found that many plans fail to explicitly define green infrastructure, with a narrow focus on stormwater management. The study suggests that this narrow view can limit project funding and cause cities to miss out on vital social and ecological services.
Researchers developed a tool to monitor and predict water losses in waterfalls based on their soundscapes, allowing environmental managers to balance water diversion and preservation. The study highlights the importance of maintaining a minimum threshold of water flow for waterfall appearance and sound.
Researchers found that individual urban trees, such as street trees, can capture and store rainfall at a rate of three times that of clusters or patches. The study used sap flux sensors to monitor transpiration rates in 18 mature red maple trees, revealing significantly higher transpiration rates in single trees compared to cluster trees.
A new study warns that California's Central Valley groundwater may be unable to recover from past and future droughts, with less than a third recovered after the 2012-2016 drought. The researchers found that groundwater recovery times can be halved with modest caps on pumping in drought and post-drought years.
Researchers emphasize the need for monitoring drinking water for HIV medications, as they can contaminate rivers and streams through wastewater. The lack of regulation on pharmaceuticals in wastewater treatment plants poses a significant challenge in ensuring safe drinking water.
A Mediterranean region study predicts increased crop water demands due to worsening climate conditions, affecting staple crops like maize and wheat. The findings highlight the need for precision agriculture and water management strategies to balance economic growth and environmental sustainability.
Researchers found that bacterial communities in streams adjacent to young secondary forests recover to resemble those of mature forest streams within a decade after cattle is removed from the land. This study provides hope for restoring water quality through passive reforestation, which can be crucial for human health and the environment.
Plant pathologists have developed a set of Nursery Phytophthora Best Management Practices to eradicate the harmful organisms from nursery stock. Through testing and accreditation programs, nurseries that comply with the guidelines have shown no detectable Phytophthora infection in their stock, enabling habitat restoration plantings.
A new project led by Cornell University's Flavio Lehner will improve climate models to reduce uncertainty in future water projections. The research aims to assess the sensitivity of models to changing environmental factors, such as temperature and greenhouse gases.
Invasive fish and crustaceans significantly reduce lake organism abundance, degrading water quality. Researchers provide guidance on managing waterbodies to prevent ecosystem collapse.
Groundwater recovery time varies by region and human activity, with some areas taking up to 15 years to recharge. Excessive pumping can cause land subsidence, contaminant mobilization, and decreased water quality.
A groundwater market in California's Mojave desert stabilizes resources and increases property values by 200%, generating a net benefit of at least $400 million. The cap-and-trade system enables water to be used more productively while compensating original owners.
A new study suggests that keeping reservoir levels low during droughts can exacerbate the problem and contribute to Brazil's current water and energy crisis. Storing more water in reservoirs could increase precipitation and river flow, alleviating the crisis.
The Center for Research on Programmable Plant Systems (CROPPS) aims to integrate plant sciences, engineering, and computer science to improve crop efficiency and sustainability. Researchers will engineer plants that can detect environmental changes and respond to digital signals, leading to more efficient water and nutrient delivery.
A new five-year research project led by Thomas Neeson aims to model the impacts of conservation incentives on farmers in the Red River basin. The study will help understand how voluntary, incentive-based conservation programs can be effectively designed to promote sustainable water use.
A WVU-led research team will test the potential of geothermal energy by drilling three miles into the ground. The project aims to reduce carbon footprint and decrease energy costs for the university, with potential implications for industries across West Virginia.
Researchers at the University of Texas at Austin tracked water storage in 14 major US aquifers over 15 years, finding that irrigation habits can be managed more effectively in humid regions. The study highlights the importance of surface water in replenishing groundwater, which helps dampen the impacts of irrigation.
Research in the southern Murray-Darling Basin has found a downward spiral in water availability, driven by accelerated changes in climate. Since the 1990s, cool season rainfall and river heights have significantly decreased due to increased evaporation and changed precipitation patterns.
A new study develops a machine learning method that incorporates physical world rules to make more accurate environmental predictions, particularly in river temperature prediction. The model can handle sparse data and generalize well across different time periods.
Research suggests that more efficient water management, technology, and infrastructure can help achieve development goals in the world's drylands. This study concludes that coherent system-oriented policies and institutions are necessary to support climate change adaptation efforts.
Researchers analyzed satellite imagery and groundwater data from 2015-2020, finding that current practices threaten riparian ecosystems' long-term survival. The study suggests a need for revised water management strategies to mitigate water stress and preserve these critical environments.
The Mains to Rains website aims to reduce water dependence in gardens by providing tips on saving water such as installing water butts and mulch. The site is part of a KTP between Cranfield and the RHS to promote improved water management practices.
Researchers at Cornell University developed a minimally invasive method to measure water potential in leaves using nanoscale sensors and fiber optics. This technology enables the study of basic plant biology, advances breeding more drought-resistant crops.
Research identifies two critical thresholds for stream flow and salmon survival, with a historic mean flow of 10,712 cfs providing an important target for managing water resources. Enacting flows to match this threshold could increase salmon survival rates by doubling or tripling in some years.
Researchers studied the 426-kilometer-long Aqueduct of Valens and found that it was cleaned of carbonate deposits just a few decades before abandonment. The double-construction system over 50 kilometers likely enabled constant operation for maintenance, highlighting the ingenuity of ancient engineers.
According to a new study, nearly 20% of groundwater wells globally are at risk of drying up if groundwater levels decline. This is largely due to increasing demand and inadequate governance or management, putting critical vulnerabilities to even modest reductions in groundwater levels.
A joint research study by SFU and the Pacific Water Research Centre highlights the need for certified, nature-based solutions to protect salmon habitats in the Lower Mainland. Adopting urban development policies and certifications can advance progressive land and water management.
A new Stanford-led study develops a framework to calculate future floodwater volumes under climate change, identifying areas for infrastructure investments in California's aging water infrastructure. The tool aims to maximize groundwater recharge, reducing drought risks and building water reserves, while also mitigating flood risks.
The Bureau of Reclamation released final technical reports supporting the Water Reliability in the West - 2021 SECURE Water Act Report, assessing climate change impacts on 17 western states. The reports provide detailed information on adaptation strategies to increase water supply reliability.
A recent study by ETH Zurich reveals that climate change has a globally visible influence on rivers, with complex patterns emerging worldwide. The research analyzed data from 7,250 measuring stations and found that river flow changed systematically between 1971 and 2010.
A new study reveals that bioenergy production without sustainable irrigation management could double global water stress by the end of the century. However, implementing sustainable water management measures can halve this increase, but poses significant tradeoffs and challenges.
Scientists used ICESat-2 to track water level fluctuations in Earth's lakes and ponds over 22 months, finding natural lakes and ponds change by 8.6 inches seasonally, while reservoirs fluctuate nearly quadruple that amount. The study also revealed regional patterns of variability in reservoirs.
Analysis of satellite data reveals that humans have a dominant effect on Earth's water cycle, causing 57% of seasonal variability in freshwater storage. Human-managed reservoirs fluctuate by nearly four times more than natural lakes and ponds, affecting regions with high water stress.
The invasive Prosopis juliflora tree seriously diminishes water resources in the Afar Region of Ethiopia, consuming up to 3.1-3.3 billion m3/yr and generating US$ 320 million and US$ 470 million net benefits per year. The study highlights the need for a coordinated control program to contain its spread and reduce density.
Researchers from Skoltech and UTMB have developed an optoacoustic sensor to measure water content in skin, a technique that can monitor swelling or dehydration. The method is safe, non-invasive, and provides high resolution, making it suitable for clinical applications.
A recent NSF grant aims to address salt pollution in freshwaters, a growing environmental threat. The project seeks to develop new infrastructure designs and everyday choices that reduce salt use.
New research from Portland State University predicts an increase in wildfire hazard in the Clackamas Basin by mid-century due to projected changes in temperature and relative humidity. This could lead to longer fire seasons and more severe fire weather, resulting in larger, more frequent fires.
A new regional model predicts uranium contamination in California's Central Valley aquifers based on calcium concentrations and soil alkalinity. The study suggests that water managers can forecast solutions by including data about soil properties when generating aquifer vulnerability maps for naturally occurring contaminants like uranium.
Researchers have mapped a vast freshwater reservoir off the coast of Hawaii Island, revealing a new mechanism for transporting freshwater from onshore to offshore aquifers. This discovery has significant implications for sustainable development on volcanic islands, potentially providing alternative renewable resources.
A new land surface model CAS-LSM was developed to assess impacts of climate change and anthropogenic disturbances on global river temperature and nitrogen transport. The model found increased river temperatures in tropical zones due to climate change, with power plants warming local rivers by up to 60% in Asia.
Researchers developed a tool to connect streamgage and reservoir data, providing critical information for managing water systems efficiently. The tool accounts for hydrological connections over large watersheds and can be used by power plant operators, reservoir operators, and water resource managers.
Researchers developed a new climate model to predict water needs, combining land use projections with future climate data. The model accurately projects hydrological response and identifies dominant pathways for water loss in the Southeast.
Researchers from Princeton will help lead a project to simulate the nation's natural groundwater system using artificial intelligence, improving hydrologic forecasting and water management. The project combines data science, machine learning, and hydrology to predict how much groundwater is available and its impact on extreme events.
Researchers developed the Effective Catchment Index (ECI) to analyze global data sets and determine how topographic and actual catchment areas differ. The study found that every third catchment has an effective area greater than twice or less than half its topographical area, influenced by water management activities.
Researchers developed a novel framework and model to analyze drivers of water theft and deterrents. The study found that social attitudes, institutions, and future supply uncertainty contribute to water theft, highlighting the need for stronger deterrents.
The Community Water Model is a large-scale hydrological and water resources model that simulates global and regional water availability. It considers various sectors' demands and environmental needs, providing insights into the impact of climate change on water supply.
The Flint water crisis resulted from simultaneous failures of federal drinking water standards and Michigan's emergency manager law, which exacerbated local financial challenges. The crisis offers lessons during the COVID-19 pandemic on building healthy communities through investments in modern infrastructure.
Researchers have created complex computer simulations to study the properties of salt in water under high pressure and temperature conditions, similar to those found in the Earth's mantle. The models revealed key molecular changes that could impact understanding of chemical reactions at these extreme depths.
A new study finds that certain stream pools act as drought refuges for salmon, providing conditions necessary to support survival during extreme conditions. The research provides insight into the role of habitat fragmentation in threatening salmon survival and informs strategies for conservation efforts.
A hydrological model has led to significant advancements in creating a world water map, utilizing public data and citizen science contributions. The model provides accurate predictions for river flow, with areas like the Eastern US, Europe, Japan, and Russia showing high potential for seasonal forecasts.
A team of researchers from UTA is collaborating with DFW Airport to improve storm water management strategies and runway operations. They are developing an advanced flood warning system that can mitigate potential issues before they happen.
New insights into drought's impacts on social, ecological and agricultural systems are highlighted in this special issue. Research identifies vulnerabilities in water management policy and the importance of soil microbiota in crop resilience.
Research by WEARE at University of Córdoba reveals methods to sustainably manage groundwater, such as monitoring systems and high-added value crops, that can help recover over-exploited aquifers. Governance is also crucial in ensuring sustainable use.
A new satellite-based algorithm, BESS-STAIR, has achieved unprecedented accuracy in estimating crop water use in the US Corn Belt. The framework combines plant's carbon-water-energy cycles to provide high-resolution data on a daily basis, offering real-time benefits for farmers
The University of Guam and CNMI officials exchanged expertise and challenges in watershed management, identifying gaps in resources and encouraging collaboration. The NSF INCLUDES program funded the workshops, which aimed to promote sustainable living and conserve unique biodiversity in the Marianas.
Researchers created a new model to better predict karst-aquifer vulnerability in the Grand Canyon, providing more accurate information for land and water managers. The study found similar patterns of contamination risk between two aquifers, with some areas showing high vulnerability to contamination.
A study of six European countries' water governance systems from 1750 to 2006 found that the introduction of new regulations can lead to conflicts, inefficiencies, and a decrease in system coherence. The researchers argue that less regulation may be more effective in achieving positive environmental impacts.
Researchers from Spain and Portugal have identified the careo irrigation channels of Sierra Nevada as the oldest underground aquifer recharge system in Europe. The study, published in Journal of Hydrology, reveals that this ancient technique was used to channel water for centuries, with evidence dating back to the 11th Century.