Articles tagged with Floods
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The SaferPlaces web service uses open data to identify areas at risk and plan protection measures, such as building modifications and new dikes. By mapping hazards and damages, users can simulate the effects of measures on the platform, ensuring user-friendliness and efficiency.
A new study by researchers at the University of Texas at Austin aims to find a balance between protecting society from flooding and preserving environmental and cultural viability in urban river deltas. The tool uses a cost-benefit model to examine how to balance natural function with societal desire for landscape stability.
A new study by UTA researchers shows that building seawalls along the San Francisco Bay shoreline could increase flooding and incur hundreds of millions of dollars in damages. The team's findings suggest that non-traditional approaches, like strategic flooding, can provide more sustainable solutions for coastal communities.
The study reveals that seawalls can increase flooding and incur significant damages, while strategic flooding areas can absorb increased water and avoid damage. Bay Area communities need to coordinate their approaches to sea-level rise adaptation to find solutions that benefit the whole bay.
Researchers found that coastal communities in San Mateo County are at risk of financial instability from flooding, with lower-income households disproportionately affected. The study's new methodology aims to provide a human-centered approach to risk assessment, focusing on the residents most likely to lose their livelihoods when water...
A study using San Francisco Bay models found that protective coastal structures can exacerbate flooding along other parts of the shoreline. The analysis estimated significant regional increases in economic damage, up to $723 million, under certain sea-level rise scenarios.
A new study reveals that coastal wetlands provide more flood protection than previously thought, reducing water levels by up to 2 metres and protecting inland areas. The research found that wetlands can reduce storm-driven flooding by 35% and damages caused by 37%.
Scientists from Würzburg, Germany, have identified a protein in the plant Arabidopsis thaliana that detects and translates acidic conditions into an electrical signal. This discovery could lead to more tolerant crops for waterlogging conditions.
New Stanford research shows muskrat populations are a bellwether for the health of the Peace-Athabasca Delta, a protected landscape in northeastern Alberta, Canada. The study demonstrates how human-driven changes to water systems and the global climate affect even this most protected ecosystem.
West Virginia University has launched a new initiative aimed at bridging the gap between science and policy, with a focus on addressing the state's most pressing water issues. The Bridge Initiative brings together over two dozen faculty researchers to translate their work into actionable policies for policymakers.
A study led by the University of Hawaii at Manoa found that US Pacific and Gulf of Mexico coastlines will experience rapid increases in high-tide flooding days, with extreme months also emerging
A University of Kansas study reveals the critical role of a diverse network of local champions in Tulsa's successful flood control efforts. The authors highlight the importance of communication, collaboration, and adaptability in managing risks and facilitating change.
Researchers found that coastal overtopping is set to increase exponentially by 2050, with a 50-fold increase possible under high emission scenarios. Global warming will exacerbate flooding risks in tropical areas and other hotspots, necessitating adaptation measures.
Researchers from The University of Tokyo Institute of Industrial Science have developed a new flood forecasting system that can predict extreme flooding events with a 32-hour lead time. This system is based on models of land surface and river routes, combined with meteorological data and statistical analysis.
Experts from Kazan Federal University and partners have tested novel gel particles to improve oil recovery in high-temperature and mineralized reservoirs. The new technique showed a significant increase in recovery, up to 100 thousand tons, and proved the efficiency of reagents under harsh conditions.
Researchers analyzed the causes and scope of the devastating Chamoli flood, which killed over 200 people and destroyed two hydropower plants. The study used satellite imagery and digital models to reconstruct the event, highlighting the risks of hydropower projects in fragile alpine ecosystems.
A team of 53 scientists determined the deadly winter debris flow in Uttarakhand, India was caused by falling rock and glacier ice that melted on its descent. The study used satellite imagery, seismic records and eyewitness videos to produce computer models of the flow, shedding light on emerging hazards in the region.
A new study from Lawrence Berkeley National Laboratory uses a hydraulic model to quantify the impact of climate change on flooding in Houston, Texas during Hurricane Harvey. The research reveals that 14% to 15% of the cost of flooding was due to climate change.
A coalition of scientists analyzed satellite imagery and seismic records to understand the cause of the Uttarakhand disaster, finding that climate change is contributing to its frequency. The study suggests that a giant landslide triggered a devastating debris flow, destroying hydropower facilities and killing hundreds.
A new study shows Puerto Rico's capacity to produce record-breaking floods and landslides, highlighting the need for adaptation in planning tools. The island's limited water storage capacity is exacerbated by sediment infilling reservoirs, leading to water scarcity.
A Stanford University study found that coastal flooding in the Bay Area leads to significant travel time delays and an increase in vehicular accident rates, particularly in residential neighborhoods. The research highlights the importance of prioritizing road safety in climate adaptation planning.
A recent study by Xi'an Jiaotong-Liverpool University researchers found that floods in most UK areas no longer follow historical patterns due to climate change and human intervention. This challenges traditional flood frequency analysis methods, which may lead to underestimation of flood peaks and catastrophic consequences.
The Mesaverde Group in the Wyoming-Utah-Colorado region is characterized by four tectonically driven classic wedges with large basinward and landward shoreline shifts. A new K-Ar illite dating application constrains the timing of subduction in West Sarawak, Borneo, offering insights into the dynamic interaction between tectonic control...
Dr. Nick Fang is developing a statewide guidance manual for early warning systems and a flood information system for Houston, using $250,000 grants from the TWDB and city of Houston. The tools aim to enhance flood resilience in Texas communities, providing real-time warnings and predictive analytics.
A new study examines the antecedents of disaster preparedness in firms, finding that organizational experience with disaster is a powerful motivator, but also notes the importance of external learning and collaboration. Effective disaster preparation requires working with others to learn from best practices.
Deep pools below waterfalls are refuges for fish and aquatic animals during summer months when river temperatures become lethal. Waterfall jets can liquefy sediment, triggering debris flows that damage property and threaten lives. Researchers provided a new framework to predict plunge pool fill and evacuation patterns.
A new study by Stevens Institute of Technology researcher finds that human-caused sea level rise contributed $8.1 billion to Hurricane Sandy's damage, with an additional 71,000 people and 36,000 homes affected. The research uses novel modeling techniques to quantify the costs of storm damage caused by climate change.
Urban megaprojects have severe implications for environmental processes, disrupting urban water flows, biodiversity, and flood regimes. The study's findings emphasize the need for community involvement and funders' accountability to ensure sustainable development.
New guidelines for coral reef restoration aim to optimize efforts for ecosystem benefits and human protection from flooding. Research suggests targeting shallow, energetic areas for restoration to reduce coastal flooding.
A recent study published in Nature Climate Change warns that flash flood risk may triple across the Third Pole due to global warming. The study found that one in six glacial lakes pose a high to very high risk to downstream communities, with potential transboundary natural disasters expected to increase.
The study reveals that glacial lake outburst floods in the Himalayan region and Tibetan plateau could triple in the coming decades, posing a significant threat to communities and infrastructure. The risk of transboundary disasters will also increase, with new hotspots emerging in regions like the Western Himalaya and Pamir.
In 2020, China experienced a warm and wet climate, with floods and droughts being the most prevalent types of disasters. The mean air temperature was 0.7°C above normal, and annual rainfall was 10.3% above average.
A recent study found that a disproportionate number of new homes built in struggling neighborhoods will end up in high flood-risk areas. Climate change is expected to disproportionately impact these communities, leading to increased inequality and systemic risks such as mortgage defaults and foreclosures.
A new Stanford University-led study estimates that single-family homes in floodplains are overvalued by nearly $44 billion collectively, with the average home losing around 2% of its value. The study suggests that inadequate disclosure laws and unaware buyers drive up financial risks, which could destabilize the real estate market.
New research using Synthetic Aperture Radar data from Sentinel-1 satellites shows improved ability to detect, monitor, prepare for and withstand natural disasters like bushfires and floods. SAR data provides valuable insights for hazard mitigation and complementing existing Earth observation programs.
A study analyzing high-resolution model simulations found that mountainous terrain, particularly the Nanling Mountains in Jiangxi Province, initiates back-building convective lines. This leads to torrential flooding and heavy rainfall within the mei-yu front rainband.
A research group from Tohoku University has developed an AI model that can accurately identify flooded buildings using news media photos within 24 hours of a disaster. The model achieved an 80% estimation accuracy, showcasing the potential for rapid damage mapping and accelerated disaster response.
A new study reveals coral reefs offer over $1.8 billion in annual flood protection to US coastal communities, preventing 100-year flooding zones from increasing by 23% and impacting 53,800 more people. The US has 200 miles of high-value reefs worth millions per mile.
The Himalayan region is prone to devastating glacial lake outburst floods due to rising temperatures and extreme precipitation. A network of satellite-based monitoring stations could provide in situ and real-time data on GLOF risk, helping to mitigate future events.
Hokkaido University researchers have developed a model that explains the causes of past glacial river floods in northern Greenland and predicts future flooding risks. The study reveals that torrential rainfall was the primary driver of the 2016 flood, while warm temperatures were responsible for the 2015 event.
A nationwide review of hazardous waste sites found that living near a Superfund site could decrease life expectancy by over two months. Those with lower incomes and sociodemographic disadvantage face the greatest risk, with decreases in life expectancy ranging from seven to 15 months.
Climate change will drive droughts, heat waves, floods, and low river flows in the Colorado River basin. The study found an average temperature rise of 5.5 degrees Celsius and a significant increase in concurrent extreme hydroclimate events.
A Rice University study found that runoff from Houston's 2016 Tax Day flood and 2017's Hurricane Harvey flood carried human waste onto coral reefs more than 100 miles offshore. The research showed that even marine ecosystems far from shore can be affected by severe events, highlighting the need for increased monitoring and protection.
A research team from the University of Tokyo analyzed global flood risk modeling uncertainties, finding large uncertainties mainly associated with runoff data. The study identifies key areas for improvement in hydrological modeling to enhance future predictions of flood risk.
A new study links increased precipitation in Italy to historical accounts of saints' miracles, demonstrating a unique cultural response to climate change. Researchers integrated paleoclimate proxies with historical records, revealing exceptional moisture levels and unusual water miracles in sixth-century texts.
A recent study published in Environmental Research Letters finds that climate change greatly increases the risk of flood-related displacement, with a 50% increase for each degree of global warming. Even if population growth is stabilized, the risk will still rise significantly, with projected increases of up to 110% by the end of this ...
Researchers analyzed soil samples from the Manchester neighborhood in Houston, finding nearly half contaminated with polycyclic aromatic hydrocarbons (PAHs), which are linked to poor health outcomes and different types of cancer. The highest concentrations were found near major highways and industrial facilities.
A new study finds that global warming significantly increases the risk of population displacement due to river floods, even when accounting for population growth. The research projects a 110% increase in globally averaged displacement risk by 2100 if climate change is aligned with the Paris Agreement, highlighting the need for rapid ac...
A new study finds that combining urban development and climate change caused by greenhouse gases will increase extreme precipitation over future US metropolitan regions. Cities like Atlanta, Denver, Phoenix, and Houston are vulnerable to flooding due to these twin forcing agents of environmental change.
A study by researchers at the University of Connecticut and others found that race and stream flow are significant indicators of flood risk behavior in US cities. The models showed two diverging patterns among metro areas, with 'risk-enduring' communities taking less action against flooding after a disaster.
A global analysis reveals that breaking Rossby waves and intense moisture transport are two interconnected processes driving large-scale extreme precipitation events globally. These processes, especially in dry subtropical regions, can cause devastating catastrophic flooding and loss of life.
A new study found that increased tidal ranges due to human alterations cause more nuisance flooding days in many coastal locations. Coastal nuisance flooding causes problems such as flooded roads and overloaded stormwater systems, and researchers urge caution in altering sensitive estuarine systems.
Researchers found that warming temperatures intensify future rainfall extremes, with largest increases to short thunderstorms causing dangerous flash flooding. This study highlights the urgent need for climate change adaptation measures as heavier short-term rainfall increases flash flood risks globally.
New research highlights how extreme rainfall associated with climate change harms babies' development, leading to smaller birth-weight and premature birth. The study found that even non-extreme intense rainfall resulted in lower birth-weight, with children from disadvantaged households facing the most severe effects.
Researchers explore incorporating Earth observation data into flood forecast-based early action to reduce disaster risk and losses. The study identifies opportunities for using EO data in FbA, focusing on predefined triggers and impact-based forecasting.
A new study suggests that grandfathered rates in the National Flood Insurance Program could lead to losses for the NFIP as flood risk grows due to rising sea levels. Experts recommend replacing grandfathering with a gradual phase-in of risk-based insurance prices and providing means-tested assistance to lower-income households.
New research finds that job opportunities in coastal cities across Bangladesh are attracting more people, leading to increased migration to the coast. Meanwhile, populations already living along the coast tend to stay due to limited alternatives and increased flood damage.
The Columbia River basin is projected to experience a significant increase in flooding severity and expansion of the flood season due to climate change. The magnitude of one-, 10- and 100-year floods is likely to rise nearly everywhere in the region, with the largest increases expected for the Willamette River and its tributaries.
A new study finds human-induced climate change responsible for the retreat of Palcaraju Glacier, leading to a significant increase in glacial lake outburst flooding. The research provides critical evidence for an ongoing case in German courts, highlighting the need for protective measures and reimbursement.
Researchers studying soil conditions at US military installations along coasts aim to understand the effects of sea level rise and flooding. They will collect data through intensive monitoring and laboratory experiments to develop geospatial modeling tools.