Current Floods News and Events

Current Floods News and Events, Floods News Articles.
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Flooding in the Columbia River basin expected to increase under climate change
The Columbia River basin will see an increase in flooding over the next 50 years as a result of climate change, (2021-02-10)

Role of dams in reducing global flood exposure under climate change
A new collaborative study led by researchers at the National Institute for Environmental Studies, the University of Tokyo, and Michigan State University exposes the role of dams for mitigating flood risk under climate change. Flood is amongst the costliest natural disasters. Globally, flood risk is projected to increase in the future, driven by climate change and population growth. The role of dams in flood mitigation, previously unaccounted for, was found to decrease by approximately 15% the number of people globally exposed to historical once-in-100-year floods, downstream of dams during the 21st century. (2021-01-22)

UVA-led team expands power grid planning to improve system resilience
Researchers' paper in Nature Energy demonstrates that modernizing power grids and using renewable energy will be cheaper than repairing hurricane damage. (2021-01-11)

Research confirms increase in river flooding and droughts in US, Canada
Research demonstrates that increases in the frequency of both high- and low-flow extreme streamflow events 'are, in fact, widespread.' (2021-01-07)

International research team calls for 'glocal' approach to help mitigate flooding damage
Scientists suggest large-scale global forecasting and on-the-ground observations need to meld into one system to better predict and prevent wide-spread flooding disasters (2020-12-24)

Nature s contributions to people found to be in decline
Over the past 50 years, declining biodiversity has put many of nature s contributions to people at risk. This is the conclusion reached by fifteen leading international experts, including a French ethnoecologist at the CNRS. Based on the IPBES Global Assessment, their work is the subject of an article, published this week in the journal PNAS, which discusses the risks to human well-being and prosperity resulting from the continuing degradation of the environment. (2020-12-09)

Once in a lifetime floods to become regular occurrences by end of century
Superstorm Sandy brought flood-levels to the New York region that had not been seen in generations. Now, due to the impact of climate change, researchers at Stevens Institute of Technology have found that 100-year and 500-year flood levels could become regular occurrences for the thousands of homes surrounding Jamaica Bay, New York by the end of the century. (2020-12-02)

Future Brahmaputra River flooding as climate changes may be underestimated, study says
A new study looking at seven centuries of water flow in south Asia's mighty Brahmaputra River suggests that scientists are underestimating the river's potential for catastrophic flooding as climate warms. (2020-11-30)

Bridges between villages in Nicaragua serve as links to markets
Yale Economic Growth Center researcher Kevin Donovan and coauthor find that building footbridges positively affects rural economies in flood-prone areas. (2020-11-30)

Field geology at Mars' equator points to ancient megaflood
Floods of unimaginable magnitude once washed through Gale Crater on Mars' equator around 4 billion years ago - a finding that hints at the possibility that life may have existed there, according to data collected by NASA's Curiosity rover and analyzed in joint project by scientists from Jackson State University, Cornell University, the Jet Propulsion Laboratory and the University of Hawaii. (2020-11-20)

Volcanic eruptions have more effect in summer
Modeling shows that volcanic eruptions can cause changes in global climate, if the timing is right. (2020-11-18)

Mental health strained by disaster
A new study found that suicide rates increase during all types of disasters -- including severe storms, floods, hurricanes and ice storms -- with the largest overall increase occurring two years after a disaster. A team of researchers examined the impact of 281 natural disasters on suicide rates during a 12-year span and found overall suicide rates increased by 23% when compared to rates before and after the disaster. (2020-11-11)

Mystery of glacial lake floods solved
A long-standing mystery in the study of glaciers was recently and serendipitously solved by a team led by University of Hawai'i at Mānoa. A trigger was identified for some of the largest floods on Earth--those emerging suddenly and unpredictably from beneath glaciers or ice caps. (2020-11-06)

Consequences of glacier shrinkage
Scientists from Heidelberg University have investigated the causes of a glacial lake outburst flood in the Ladakh region of India. They drew on field surveys and satellite images to create an inventory of glacial lakes for the Trans-Himalayan region of Ladakh, identifying changes in the size and number of glacial lakes, including undocumented outburst floods. The inventory aims to improve risk assessment for future events. (2020-11-02)

Heading upriver
A river's only consistent attribute is change. As the Greek philosopher Heraclitus remarked, 'No man ever steps in the same river twice.' Although this dynamic nature is often out of sight and mind, forgetting about it has led to many a historical catastrophe. (2020-09-30)

Leading water scientists warn of risks in shift to monoculture crops, tree plantations
Conversion of large swaths of land to uniform tree plantations and single-crop species may lead to unintended consequences for the water cycle, putting ecosystems at greater risk for fires, floods, droughts and even hurricanes, warns a think-tank group of almost 30 water scientists from 11 countries. (2020-09-24)

Seismic monitoring may improve early warnings for glacial lake outburst floods
Vibrations in the ground may help to improve advanced warnings about sudden floods that result from glacial melting, according to a study published today in Science Advances. (2020-09-16)

Amid fire and flood, Americans are looking for action
A new survey reveals how Americans feel about adaptation and prevention policies to combat wildfires and floods in the face of climate change. (2020-09-08)

New research will improve early warning of devastating megastorms
Scientific research will make it easier to predict the path of some of the world's most powerful storms, enabling communities to better protect themselves from severe flooding. A new study by the UK Centre for Ecology & Hydrology (UKCEH) has found that land surface conditions frequently affect the direction and intensity of mesoscale convective systems after they have formed. (2020-08-17)

Sea-level rise could make rivers more likely to jump course
A new study shows that sea level rise will cause rivers to change course more frequently. (2020-08-12)

NASA's Aqua Satellite shows extent of Apple Fire's burn scar
On Aug. 9, 2020 NASA's Aqua satellite imaged the Apple Fire near Big Bear Lake in California using its false-color bands in order to be able to distinguish burn scars from the surrounding area more easily. (2020-08-10)

An international study analyzes five hundred years of floods in Europe
An international research project coordinated by the Vienna University of Technology (TU Wien), with participation from researchers of the University of Barcelona, shows for the first time that flood pattern over the last decades in Europe have changed compared to past centuries. The study, published in the journal Nature, concludes we are in one of the most flood-rich periods in Europe from the last five hundred years. (2020-07-23)

Flood data from 500 years: Rivers and climate change in Europe
Studying historical documents from 5 centuries, scientists were able to compare flood events from the past with recent flood events in Europe. This combination of historical and hydrological research provides evidence for the strong influence of climate change on rivers and floodings. Floods tend to be larger, the timing has shifted and the relationship between flood occurrence and air temperatures has reversed. (2020-07-22)

Using the past to predict the future: The case of Typhoon Hagibis
The past is often the window to our future, especially when it comes to natural disasters. Using data from the 2018 floods that struck southwestern Japan to calibrate a machine learning model, researchers from the International Research Institute of Disaster Science (IRIDeS) at Tohoku University and the Japan-Peru Center for Earthquake Engineering Research and Disaster Mitigation (CISMID, in Spanish), have successfully identified the flooding caused by Typhoon Hagibis. (2020-07-15)

Beavers are diverse forest landscapers
Beavers are ecosystem engineers that cut down trees to build dams, eventually causing floods. Beaver-induced floods make forest landscapes and habitats increasingly diverse, but very little is known about the long-term effects of beavers on European landscapes. Researchers at the University of Eastern Finland and the University of Helsinki examined the history and occurrence of beaver-induced floods and patch dynamics in southern Finland. They used a unique dataset of field observations from 1970 to 2018. (2020-06-10)

A sharper view of flood risk
Extreme weather patterns and regions at risk of flooding could be easier to spot using a new statistical model for large spatial datasets. (2020-06-08)

Mystery of lava-like flows on Mars solved by scientists
The mystery of some lava-like flows on Mars has been solved by scientists who say they are caused not by lava but by mud. There are tens of thousands of these landforms on the Martian surface, often situated where there are massive channels scoured into the surface by ancient liquids flowing downstream. Scientists performed experiments at low pressure and at extremely cold temperatures (-20°C) to recreate the Martian environment. (2020-05-18)

Children & coronavirus infection (COVID-19): How to avoid post-traumatic stress disorder
COVID-19 is a pandemic that has forced many states to declare restrictive measures in order to prevent their wider spread. These measures are necessary to protect the health of adults, children and people with disabilities. Long quarantine periods could cause an increase in anxiety crisis, fear of contagion and post-traumatic stress disorder (frustration, boredom, isolation, fear, insomnia, difficulty concentrating). (2020-05-06)

Simulations forecast nationwide increase in human exposure to extreme climate events
Using ORNL's now-decommissioned Titan supercomputer, a team of researchers estimated the combined consequences of many different extreme climate events at the county level, a unique approach that provided unprecedented regional and national climate projections that identified the areas most likely to face climate-related challenges. (2020-05-05)

Catastrophic outburst floods carved Greenland's 'Grand Canyon'
Buried a mile beneath Greenland's thick ice sheet is a network of canyons so deep and long that the largest of these has been called Greenland's 'Grand Canyon.' This megacanyon's shape suggests it was carved by running water prior to widespread glaciation, but exactly when and how the island's grandest canyon formed are topics of intense debate. (2020-04-30)

How catastrophic outburst floods may have carved Greenland's 'grand canyon'
For years, geologists have debated how and when canyons under the Greenland Ice Sheet formed, especially one called 'Greenland's Grand Canyon.' Its shape suggests it was carved by running water and glaciers, but until now its genesis remained unknown, scientists at UMass Amherst and Denmark's Center for Ice and Climate say. (2020-04-30)

How the heart affects our perception
When we encounter a dangerous situation, signals from the brain make sure that the heart beats faster. When we relax the heart slows down. But the heartbeat also affects the brain but the underlying mechanisms are unclear. Researchers at the Max Planck Institute for Human Cognitive and Brain Sciences have now identified two mechanisms underpinning how the heart influences our perception, the brain, and how these mechanisms differ between individuals. (2020-04-28)

Poor Amazonians go hungry despite living in one of the most biodiverse places on Earth
A team of scientists from Brazil and the UK are publishing the results of the first study linking food security for wildlife-dependent people in the Amazon with 'catch rates' -- which is the amount of fish caught for each hour spent fishing. (2020-04-27)

Reducing the risk to children's health in flood-prone areas of India
Monsoon rainfall has become more unpredictable in India. Floods and droughts have become more common and pose multiple risks to human health and wellbeing, with children under five being particularly vulnerable. New research finds that more assistance needs to be provided to communities in flood-prone areas to protect children under 5 from undernutrition. (2020-04-14)

More pavement, more problems
Think your daily coffee, boutique gym membership and airport lounge access cost a lot? There may be an additional, hidden cost to those luxuries of urban living, says a new Johns Hopkins University study: more flooding. For every percentage point increase in roads, parking lots and other impervious surfaces that prevent water from flowing into the ground, annual floods increase on average by 3.3%, the researchers found. (2020-04-06)

Extreme rainfall days in metropolitan São Paulo have risen four-fold in seven decades
Study by researchers at Brazil's National Disaster Surveillance and Early Warning Center (CEMADEN) also shows a rise in the number of consecutive dry days, suggesting that extreme rainfall events are concentrated in shorter, more widely spaced periods. (2020-04-03)

Flooding stunted 2019 cropland growing season, resulting in more atmospheric CO2
A new Caltech-JPL study determines the impact of the severe 2019 floods, and offers scientists a new tool for measuring regional-scale carbon dioxide absorption by plants. (2020-03-31)

Natural bayou better when floods threaten Houston
A comparison of flood plains around Houston's two major bayous shows the natural Buffalo Bayou is far better at managing floodwaters than the channelized Brays Bayou. (2020-03-11)

New flood damage framework helps planners prepare for sea-level rise
Princeton researchers have developed a new framework allowing urban planners and policymakers to consider a combination of responses to sea-level rise and, if hard structures, how high these protections should be built, depending on their tolerance for risk and the projected financial losses to a particular area due to flooding. (2020-03-11)

Texas A&M researchers develop flooding prediction tool
By incorporating the architecture of city drainage systems and readings from flood gauges into a comprehensive statistical framework, researchers at Texas A&M University can now accurately predict the evolution of floods in extreme situations like hurricanes. With their new approach, the researchers said their algorithm could forecast the flow of flood water in almost real-time, which can then lead to timelier emergency response and planning. (2020-03-03)

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