Articles tagged with Floods
Rice engineers developed an automated data fusion framework called OpenSafe Fusion to sense quickly evolving road conditions during urban flooding events. The framework leverages existing individual reporting mechanisms and public data sources, predicting whether a road is flooded or not.
A WVU statistician is developing new methods to analyze curve-type data for predicting extreme weather patterns, financial turmoil and pollution levels. The research aims to create innovative tools for understanding high-resolution data and addressing regional risks in mountainous states like West Virginia.
New research forecasts that worldwide flooding will increase by around half between 2020 and the turn of the century if countries fail to meet carbon emission pledges. In a low-emissions scenario, flood risk is anticipated to grow 7% between 2020 and 2050.
A new formula developed by UC Irvine researchers can project neighborhood-scale flood hazards anywhere in the world, taking into account the urban form and building density of a neighborhood. This tool has the potential to greatly improve flood risk assessments globally, helping cities prepare for more severe weather events.
A recent study by UT Arlington scientist Nathan D. Brown shows Alaskan land is eroding faster than it can be replaced due to climate change. The team mapped and dated floodplain deposits, determining permafrost extent, to model how permafrost formation varies with air temperature.
The impacts of natural disasters on plant health can be devastating, with the potential for direct effects from disasters like pathogen or vector dispersal. Human-driven disasters also create conditions favorable to the spread of plant pathogens, leading to crop loss and disease spread.
A new study suggests that California's affordable housing crisis is driving increased development in and near wildlands, putting residents at higher-risk for climate-related natural disasters. The research aims to understand the drivers of Wildland-Urban Interface (WUI) growth and its impact on environmental dynamics.
A new study found that microplastics impact plant reproduction, while seawater flooding causes greater tissue death in coastal plants. Combining both stressors amplifies threats to ecosystem wellbeing.
A new paper found that subsurface barriers will likely lead to more groundwater flooding and result in less protection against saltwater intrusion into groundwater. The researchers recommend using additional plans to deal with extra water, such as pumps or French drains, to mitigate the risks.
Sylvia Dee's research aims to address critical gaps in the observational record of Earth's hydrologic cycle, using a global database of water isotope observations. This will enable more accurate climate modeling and help communities assess and reduce risks associated with extreme weather events.
A new mapping tool from North Carolina State University uses machine learning and open-source satellite imagery to model flooding in urban environments. The model creates maps that predict urban area flooding, helping officials make informed choices about flood resiliency and prevention resources.
Researchers at UC Irvine warn that nationwide flood risk models are unreliable for smaller areas, missing crucial factors like topography and infrastructure. A more detailed model, PRIMo-Drain, improves flood inundation predictions by including fine-resolution data on levees, channels, and stormwater systems.
A recent study published in Geophysical Research Letters found that most large flood events and potential flood peak periods in East Asia are dominated by mesoscale convective systems (MCS). The research revealed that among major floods from 2000 to 2021, 91% were related to MCS.
A three-year research study led by the University of Kansas is establishing best 'managed retreat' practices for communities at risk from repeated flooding and wildfires due to climate change. The study aims to understand how different cities and governments have considered managed retreat, including strategies like buyouts and partner...
Researchers used drones to map loko iʻa at the community level, providing insights into flooding and future sea level rise impacts. Drones accurately estimated observed flooding during extreme high tide events, while LiDAR models overestimated flooding by two to five times.
A recent study highlights the need for effective contingency plans and local community involvement in disaster response to mitigate losses. The analysis of landslides in São Sebastião, Brazil, revealed a breakdown in the early warning system, resulting in significant economic and human costs.
A new conceptual model, XRO, significantly improves predictive skill of ENSO events at over one year in advance, offering a transparent view into the mechanisms of equatorial Pacific recharge-discharge physics. This improves conventional climate model forecasting and provides robust quantification of extratropical Pacific, tropical Ind...
Researchers from UNIGE have measured the increase in soil erosion caused by global warming, with a four-fold increase observed in sediments from the Paleocene-Eocene Thermal Maximum. This study suggests that current warming could lead to similar effects, increasing flood risks and threatening populated areas.
A new study suggests that human activities may actually reduce the severity of droughts in certain regions. Climate model simulations indicate that aerosols and greenhouse gases produced by human activities have opposite effects on atmospheric chemical composition and precipitation mechanisms. This research challenges previous conclusi...
Researchers analyzed record storm surges in the UK and Ireland to improve flood prediction accuracy. They found that coastlines in the north experience the longest and largest surges, while those in southwest England have smaller geographical footprints.
A massive earthquake 2,500 years ago caused the Ganges River to change its course abruptly, affecting densely populated Bangladesh. The study suggests that a similar event could occur again in the future, with potentially devastating consequences.
A study by Dartmouth College finds that regenerative agriculture's impact on farmers extends beyond financial gain, influencing their relationships and quality of life. By adopting practices like reduced tillage and cover cropping, farmers experience reduced dependence on agrochemicals and improved soil fertility.
Researchers found that conventional benefit-cost analyses favor affluent communities, while an equity-weighted approach could reduce bias in hazard mitigation funding. This new method has the potential to improve resource allocation for socio-economically vulnerable areas.
New research reveals that Alaska's coastal communities will experience more frequent and severe flooding due to sea level rise. Currently, 22% of structures in 46 coastal communities are in flood plains, which is expected to increase to 30-37% by 2100.
Texas A&M University researchers have developed a 3D visualization technology to identify potential outcomes of hurricane flooding before it occurs. This allows for improved safety and reduced damage costs. The technology can also model specific buildings, accounting for basements, back entrances, and windows.
A significant shift in the Nile River's evolution around 4,000 years ago may have contributed to ancient Egypt's agricultural economy prosperity and cultural achievements. The research found that changes in the landscape enlarged arable land near Luxor and improved soil fertility.
A LSU study found that chronic relative sea level rise combined with short-term weather-related shocks, such as droughts and hurricanes, led to the decline of Phragmites-dominated stands in the marsh. The study suggests elevating marsh beds with sediment can improve resilience.
A study published by the Institute of Atmospheric Physics predicts significant economic impacts on provinces like Hunan, Jiangxi, and Guangdong due to increased heavy precipitation and droughts. The region's GDP is expected to be hardest hit under certain climate change scenarios, emphasizing the need for adaptation strategies.
Daily tracking of ice melt has been made possible with a new method developed by researchers at DTU using 61 national GPS stations in Greenland. The study provides significant advancement in monitoring ice mass loss and understanding the processes behind the ice melting.
Researchers developed an impact-based forecasting system that combines various models to predict flood impacts with high resolution. The system enables early warnings for evacuation, reducing population and property damage.
A new study by the University of Plymouth found that saturated soils in upland regions could negatively impact the survival rates of young oak saplings and acorns. The research highlights the importance of considering soil conditions when creating temperate rainforests to combat climate change.
New research shows climate change will cause more severe combined wind-rain extremes in the UK and Ireland, leading to increased flooding and damage. The study found that stronger winds and heavier rainfall are likely to occur together, posing challenges for coastal areas and emergency response resources.
Researchers found that sunny day flooding in coastal areas can lead to elevated levels of fecal bacteria in waterways. The study suggests policymakers and public health officials should be aware of potential risks associated with tidal flooding.
New satellite data shows that 45% of urban areas in China are sinking, with 16% experiencing rapid subsidence. The affected cities could experience catastrophic flooding if left unchecked, with Shanghai's urban area potentially tripling in size by 2120.
The year 2023 saw unprecedented extreme weather events globally, with a record-breaking temperature increase of 1.45°C above pre-industrial times. Emerging features include earlier onset of heatwaves and increased simultaneous events in different parts of the world.
A recent study by University of Hawaii at Manoa researchers highlights the hidden threat of global underground infrastructure vulnerability to sea-level rise. Shallow and saltier groundwater exacerbates corrosion and failure of critical systems such as sewer lines, roadways, and building foundations in cities worldwide.
Researchers found that salt marsh restoration can reduce flood risk, preserve habitats, and provide recreational opportunities. The study also emphasizes the importance of integrating nature-based solutions into comprehensive climate resilience strategies to mitigate future climate change impacts.
Urban flooding is increasing due to climate change and urbanization, posing a significant threat to pedestrian safety. Researchers found that building configurations can significantly impact flood vulnerability; staggered layouts provide more danger zones, while rounded or circular footprints reduce high-floodwater areas.
Researchers have made breakthroughs in flash flood forecasting by studying rainfall patterns in China's mountainous regions. The study found that advanced hydrological models can accurately simulate water balances and flash flood behavior indices under uniform rainfall conditions, but struggle with short, intense bursts of rainfall.
A UK feasibility study suggests that a carbon credit scheme could support private investment in saltmarsh restoration, providing vital habitat for wildlife and addressing the climate crisis. The introduction of a Saltmarsh Code would pave the way for projects with public financing to contribute to restoration efforts.
Researchers develop hypothetical extreme flooding scenarios by shifting precipitation events, showing regions previously spared could have been hit hard. The approach aims to motivate society to prepare for exceptional flooding events in a warming world.
Researchers analyzed over 3,500 river basins worldwide, finding that precipitation was the sole determining factor in only 25% of flood events. Soil moisture and air temperature were decisive factors in around 10% and 3% of cases, respectively. The study suggests that more extreme floods are caused by multiple factors interacting.
A new MIT-derived algorithm corrects coarse climate model predictions by 'nudging' them toward more realistic patterns, leading to more accurate forecasts of extreme weather events. The approach uses machine learning and dynamical systems theory to improve the resolution of large-scale climate models.
Engineers have developed a modular artificial reef structure made of concrete voxels that can dissipate wave energy more effectively than natural coral reefs. The design, optimized through hydrodynamic modeling and experimental testing, has been confirmed by tests at the MIT Towing Tank.
Researchers at Lehigh University found that low- to mid-level flooding events are the most vulnerable to cyber attacks, which can overwhelm the system and cause a flood downstream. The study developed a mathematical framework to identify vulnerabilities in stormwater systems, allowing municipalities to assess their risks.
The rapid assessment of the Kakhovka Dam breach has estimated that half a million hectares of protected habitats have been exposed to hazards, including nutrients and pollutants. The study will support international action to restore a biodiversity hotspot in southern Ukraine.
A study estimates that global ecosystems provide USD 112-197 trillion to the economy, with forests and wetlands accounting for nearly 80% of this value. Strong synergies are found among oxygen release, climate regulation, and carbon sequestration services, while trade-offs occur between flood regulation and other services.
Increased frequency and intensity of western disturbances, fueled by Tibetan Plateau warming, threaten India's water supplies. The loss of winter snowpack and late-season storms exacerbate the risk of catastrophic flooding.
Experts from the University of Birmingham have devised a blueprint for efficient evacuation of elderly people in flood-threatened cities. The study highlights significant differences in evacuation patterns between Shanghai and New York City, emphasizing the need for risk-informed planning to protect vulnerable populations.
A new study projects that as many as 500,000 people could be affected and 1 in 35 properties damaged by flooding in 32 US coastal cities by 2050. The research highlights racial and socioeconomic demographics of those potentially affected.
Scientists create detailed models of the terrestrial water cycle using high-resolution satellite data to predict floods, droughts, and other extreme events. The Digital Twin Earth Hydrology Platform allows for interactive simulations and visualizations to enhance flood and landslide prediction and optimize water resource management.
A recent study found that rapidly intensifying tropical cyclones (RI) are already more hazardous than normal TCs and will worsen coastal flooding under future climate warming. RI events may increase by 10-30% for each degree of global mean temperature increase, posing a significant threat to coastal communities.
A major research programme found that climate change risks to human and natural systems greatly increase with global warming, leading to droughts, flooding, crop yields decline, and loss of biodiversity. Limiting global warming to 1.5 ºC could reduce these risks by up to 61% in some countries.
A study reveals that consecutive atmospheric river events lead to significantly higher economic losses in California, tripling expected damages compared to standalone events. This is crucial for emergency and water managers balancing flood risks with water shortage needs.
A recent study examines the frequency of compound drought and pluvial flooding, as well as their reverse patterns, finding that 15.46% of meteorological droughts are succeeded by a pluvial the following season globally, with regional variability existing in Eurasia, western North America, South Asia, and Australia.
Researchers urge shift towards more sustainable forestry practices and policy to manage global growing flood risk. A probabilistic approach can better understand the effects of deforestation on floods, considering multiple factors like climate change, land use, and logging.
A new study finds that NFIP insurance adoption leads to a significant increase in population growth in high-flood-risk areas. The authors estimate that the program contributes to 5% more population per standard deviation increase in historical flood risk, resulting in higher damages from disasters like Hurricane Katrina and Harvey.
A new compound flooding model predicts that New York City will experience historic and devastating floods every 30 years by the end of this century, a fivefold increase from the present climate. The tool helps city planners prepare and protect against future disasters by providing detailed flood forecasts.
Researchers have created a lightweight, portable antenna that can switch between two operating states to communicate with satellites or devices on the ground. The antenna's unique design allows it to be compact and foldable, making it ideal for disaster-struck areas or underdeveloped regions.
A modelling study published in Scientific Reports predicts that EU and UK economies will suffer significant economic losses, with the majority concentrated in coastal regions. Targeted investment in certain sectors is expected to reduce regional losses, but overall economic impact remains substantial.