Articles tagged with Floods
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A team of researchers found that land area in Hawai'i vulnerable to future sea level rise may be double previous estimates. The 'bathtub' model underestimates the full extent of potential damage due to sea level rise, particularly on Hawaii's high-energy coasts.
Researchers found that residents and property owners are more likely to adopt green stormwater infrastructure practices if they have experienced flooding or erosion. The study suggests a flexible approach to encourage effective stewardship of these practices across diverse populations and landscapes.
Princeton University researchers have discovered a precise timeline for the Columbia River flood basalts, which they believe caused ancient global warming. The team's use of tiny zircon crystals has provided an unprecedented level of precision, revealing that 95% of the eruptions occurred within a 750,000-year window.
A recent study reveals a significant increase in the frequency and severity of floods on the Amazon River, with extreme floods occurring every four years. The research attributes this change to changes in the surrounding seas, particularly the Pacific and Atlantic oceans.
Florence brought massive rainfall to the Carolinas, exceeding 30 inches in some areas, causing record or major flooding along many rivers. The storm's heavy rainfall caused widespread damage and at least 20 fatalities.
Hurricane Florence made landfall near Wrightsville Beach, North Carolina, bringing estimated maximum winds of 90 mph and a minimum central pressure estimate of 958 millibars. The storm's infrared imagery showed the power and extent of its massive storm system.
A new study suggests that global coastal wetlands can migrate further inland to secure their future and avoid catastrophic losses. The research finds that with enough space, coastal wetlands could gain up to 60% in elevation, mitigating the impact of sea level rise on global warming and coastal flooding.
A Stanford University study found that lack of transparency in US home buyout programs leads to lower participation rates and perpetuates social inequality. The research suggests increasing clarity on decision criteria, community involvement, and emphasis on equitable relocation can improve the program's effectiveness.
NASA's Aqua satellite detected Tropical Depression Gordon's center over Arkansas on September 7, with maximum sustained winds near 10 mph. The depression is expected to produce total rain accumulations of 3-6 inches, causing local flooding and flash flooding in Missouri and the Midwest.
Scientists investigate the type characteristics of extreme precipitation events and their flood risk in the Yangtze-Huaihe River Valley. Persistent EPEs are linked to continuous flood peaks and severe floods. The study also identifies areas with high flood risk, particularly in rapidly urbanizing regions.
Tropical Depression Gordon is expected to produce significant rainfall accumulations of 3-7 inches in northwest Mississippi and Arkansas, potentially causing local flooding. The depression is moving west-northwest at 8 mph, with little change in strength forecast over the next 48 hours.
A study by researchers from UNIGE reveals that global warming 56 million years ago had a more significant impact on the environment than currently thought, with floods increasing by a factor of eight and landscapes transforming into arid plains.
Typhoon Jebi's rainfall affected Shikoku and most of Honshu's south central coastal regions, with estimated amounts over a one-week period ranging from 100 mm (~4 inches) or more. The storm caused significant flooding, including at Kansai International Airport near Osaka, resulting in fatalities and injuries.
A new study reveals that Amazonian wetlands are home to an astonishing 3,615 tree species, exceeding expectations by three times. This comprehensive list of tree species was compiled from forest inventories and botanical collections, providing valuable insights into the region's biodiversity.
Researchers at Tel Aviv University have developed a system to harness data from smartphones to forecast weather patterns, particularly those that lead to flash floods. The smartphone sensors can monitor various atmospheric conditions, such as temperature, humidity, and light levels, providing valuable data for accurate forecasts.
A recent study by researchers at Uppsala University reveals that catastrophic flood events can lead to decreased human proximity to rivers, particularly in areas with low structural flood protection. This shift may help reduce exposure to future flooding events.
Human settlements with low flood protection levels tend to resettle further away from rivers after floods. Satellite data analysis in 16 countries showed that the distance between humans and rivers increased, especially in areas with high flood fatalities.
Severe monsoon floods affected Kerala state in India with extreme rainfall totals of up to 469 mm. Heavy rain bands brought intense precipitation to the southwest coast of India.
Researchers at NYIT have developed a 3D data modeling tool called IN-SOURCE to simulate and visualize the impact of environmental conditions on FEW distribution networks and urban infrastructure. The tool aims to help policymakers make informed decisions about infrastructure investments and mitigate the effects of climate change.
Climate change poses unprecedented flood risk unless timely adaptation measures are taken in Europe. Coastal defense structures need to be installed or reinforced to withstand increasing extreme sea levels.
Heavy rainfall caused flash floods and power outages in Virginia and Texas, while NASA's IMERG program estimated rainfall totals of over 8 inches in some areas. The analysis was based on satellite data from the GPM mission and used algorithms developed by NASA's PMM science team.
Researchers found elevated E. coli levels in Houston's major bayous immediately after Harvey, decreasing over two months. Fecal bacteria and antibiotic resistance genes were highest in homes with stagnant floodwater inside. Residents should exercise caution when handling post-Harvey floodwaters.
Climate change is projected to double rain-on-snow flood risk in the Sierra Nevada, Colorado River headwaters, and Canadian Rocky Mountains by the end of this century. This could lead to a 200% increase in localized flood risk and strain existing infrastructure.
Research from UTSA Assistant Professor Vikram Kapoor confirms high levels of fecal contamination in Texas waterways following Hurricane Harvey. The study found elevated levels of E. coli and enterococci concentrations above regulatory levels, posing risks to human health and environmental quality.
A landmark study by Newcastle University researchers finds that heavy, short rain storms are intensifying rapidly in Australia, leading to increased flash flood and urban flooding risks. The study, published in Nature Climate Change, shows that these extreme events are substantially larger than expected under climate change.
A study by researchers at the University of Waterloo found that flood losses in the Halifax, Nova Scotia area could increase by up to 300% if steps are not taken to address climate change. The study suggests that governments need to plan for rare but high-impact flood events and warn citizens about growing flood risks.
A £340,000 research project is examining the history of farming in the Amazon region. Dr Bronwen Whitney and her team are reconstructing the long-term agricultural history of Llanos de Mojos using palaeoethnobotany and landscape archaeology.
The model uses mathematical equations to translate incompatible data streams into a neutral format, enabling comparison and analysis of satellite imagery and social media posts. Researchers tested the model using data from a 2013 flood in Colorado, resolving incompatibility issues and accurately estimating flooding locations.
Researchers at Tohoku University have identified a key gene responsible for deepwater rice's ability to thrive in flood conditions. The SD1 gene enables the plant to increase its height and accumulate ethylene, allowing it to ride out lengthy floods.
A new study identifies the SD1 gene as responsible for the deepwater rice adaptation, which enables plants to rapidly grow taller to keep above floodwaters. This discovery highlights the intrinsic complexity of plant adaptation strategies and could offer solutions for breeding modern rice varieties to cope with climate change.
A team of researchers has found a connection between seasonal sea level fluctuations and Rossby Waves, which can escalate the risk of nuisance flooding. This discovery may lead to a new tool for coastal communities to anticipate and prepare for rising tides.
A tropical disturbance brought extremely heavy rainfall to southern Texas, resulting in record-breaking flood levels. Over 15 inches of rain fell in Hidalgo County, with IMERG estimates indicating 21 inches fell in the northwestern Gulf of Mexico.
A multidisciplinary team at UC Santa Barbara found that immediate responses to disasters like wildfires and floods can have unintended consequences. By prioritizing long-term planning and adaptation strategies, decisionmakers can mitigate the risks of climate change-mediated disasters.
The Global Precipitation Measurement mission captured extreme rainfall rates of up to 3.5 inches per hour in the northwestern Gulf of Mexico. Heavy flooding is expected along the coast of Texas into Louisiana, with a high risk of rip currents and minor coastal flooding.
Researchers analyzed historical hurricane scenarios to model potential grid disruptions and identified clusters of businesses and community resources that could be outfitted with microgrids to improve resilience. Microgrids, also known as resilience nodes, enable enhanced adaptation and response to electric grid disruptions.
Researchers reconstruct Boston Harbor's water level record for 1825-2018, finding a nearly a foot rise in relative sea level and tidal trends driving increased flood risk. The study highlights the importance of combining historical data with modern measurements to understand extreme weather events.
Subtropical Storm Alberto brought heavy rain to the southeastern US, with IMERG estimates showing up to 8 inches of rain over central Alabama. The storm's passage also led to flash flood watches for several states, causing 6 deaths in total.
Subtropical Depression Alberto's center has been located near latitude 38.7 degrees north and longitude 87.4 degrees west, approximately 80 miles southwest of Indianapolis, Indiana. The depression is moving toward the north-northeast at 17 mph, with maximum sustained winds near 30 mph and higher gusts.
Alberto has weakened to a subtropical depression with strongest storms circling its low-level center, producing heavy rainfall and flash flooding concerns.
A new study assesses the economic impact of intensifying river floods on a global scale, finding that China's flood damages could affect EU and US industries. The US economy may be particularly vulnerable due to its unbalanced trade relation with China, while stronger trade relations could mitigate losses.
Research reveals a significant rise in postpartum haemorrhage in Victoria, with one in five women experiencing primary blood loss after childbirth. The study highlights the need for improved monitoring and treatment protocols to address this concerning trend.
Research in South Africa's Kruger National Park has shown that climate change is destroying sensitive and valuable riverine habitats due to extreme floods. The study found that cyclone-driven floods removed almost 1.25 million tonnes of sediment from the river bed, leading to patches of mature riparian forest being destroyed.
Heavy seasonal rainfall caused by NASA's Integrated Multi-satellitE Retrievals for GPM (IMERG) revealed severe flooding in Kenya, displacing over 244,000 people. The estimated death toll from flooding and mudslides has been increased to about 100 people.
A recent study published in Environmental Research Letters found that limiting global warming to 1.5°C would reduce flood hazards globally by 21%, whereas a 2°C limit would increase flood risks by an average of 11% across 21% of the world's land area.
Sea-level rise and wave-driven flooding will make freshwater resources non-potable, threatening human populations on low-lying atoll islands. The tipping point for unavailability of potable groundwater is projected to be reached by the middle of the 21st century.
A study published in Natural Hazards and Earth System Sciences found that drowning caused 80% of Harvey deaths, with most fatalities occurring outside the 100-year floodplain. The researchers suggest improving flood maps and communication to reduce risk during future floods.
In April 2018, a weather system caused destructive flooding and mudslides in Hawaii. The NASA GPM satellite provided detailed data on the heavy rainfall, showing that Kauai received over 478 mm of rain, with some areas experiencing even higher totals.
Tropical Cyclone Keni caused widespread damage and flash flooding in Fiji, especially on the island of Kadavu. Rainfall totals exceeded 200 mm over southwestern Viti Levu and reached 430 mm southwest of Viti Levu.
A new study reveals that restoring coastal wetlands and oyster reefs can significantly reduce flood risks on the US Gulf Coast, with potential benefits exceeding $7 in direct flood-reduction benefits for every $1 spent on restoration. Nature-based solutions can be more cost-effective than traditional 'gray' measures like seawalls.
The study highlights how natural disasters can disrupt industries and regions, causing significant economic losses. Intersectoral and interregional linkages contribute to these losses, which can be up to 50-70% of standard estimates for major metropolitan areas.
Tropical Cyclone Keni has formed in the South Pacific Ocean, with NASA's Global Precipitation Measurement mission (GPM) detecting heavy rainfall. The storm is tracking southeastward at 25 knots, expected to weaken and begin extratropical transition by April 11.
Tropical Cyclone Keni has intensified into a tropical cyclone after consolidating over Vanuatu in the Southern Pacific Ocean. NASA's Suomi NPP satellite captured its true-color image on April 9, showing the storm's center surrounded by thunderstorms.
A recent study revealed a dramatic rise in extreme floods on the Mississippi River over the past century, largely due to human modifications such as artificial levees. The research also uncovered a link between flooding and natural fluctuations in Pacific and Atlantic Ocean water temperatures.
A new study reveals the Mississippi River Delta is experiencing seafloor erosion at an alarming rate, threatening marine ecosystems and infrastructure. The research, published in Marine Geology, found that sediment deposition has stopped, leading to land loss and degradation of wetlands and seafloors.
NASA analyzed Tropical Cyclone Josie's heavy rainfall using Integrated Multi-satellitE Retrievals for GPM (IMERG) data, revealing extreme rainfall totals of over 450 mm in some areas. The study showed that Josie's clockwise circulation caused flooding leading to at least four deaths in Fiji.
A study by David Casagrande explores the attitudes and perception of flood risk in US coastal communities. Residents employ rationalizations such as scapegoating and social comparison to avoid making difficult decisions, rather than taking steps to mitigate damage. This research highlights the importance of addressing individual belief...
Researchers at the University of New Hampshire have found a dramatic increase in flooding on coastal roads along the East Coast, with 90 percent more frequent high tide floods occurring over the past 20 years. The study estimates that tidal nuisance flooding will cause over 3.4 billion hours of delays by 2100.
NASA analyzed satellite data to calculate Tropical Cyclone Nora's heavy rainfall in Queensland, revealing over 433 mm of rain in the Gulf of Carpentaria. The analysis also indicated significant precipitation along Nora's track into northwestern Queensland, causing flooding and landslides.
A mathematical economist has developed conceptual models to describe economic decisions for long-term flood protection strategies. The study highlights the importance of central government investment in infrastructure and private sector responsibility, with calculations showing that government investment is better than direct subsidies.
An international team of geoscientists has discovered an extensive buried mass of material on the seafloor, thought to have been eroded by the Zanclean flood. The mass covers an area equivalent to the island of Crete and is up to 900m thick in places.