Research shows that even five years after Hurricane Katrina, heart attacks were still less likely to occur during the morning or on weekdays and instead more frequent at night and on weekends. Prolonged periods of stress are believed to be the most likely cause for these changes.
A UK study found that every degree fall in winter air temperature corresponds to a 1.3% drop in ambulance response time. The research analyzed data from Birmingham over five years and showed that extreme weather conditions significantly affected daily ambulance call-outs and response times.
Researchers at Stanford University have developed a technique to observe hundreds of neurons firing in the brain of a live mouse in real-time. The tool uses fluorescent protein and calcium ions to decipher patterns in brain activity, offering insights into long-term information storage and spatial memory.
A University of Pennsylvania-led study quantifies sediment transported to wetlands by the 2011 Mississippi flood, which may help maintain the area's wetlands. The research found that the flood deposited more than half a year's worth of sediment in some areas, making it a key factor in maintaining wetland elevations.
A new report from Griffith University shows that most households did not make any changes to reduce their flood vulnerability despite lessons learned from the 2010-11 Australian floods. The research found that residents prioritized general home improvements over resilience measures, and insurers often only paid to replace like-for-like.
A global review of rainfall data found that extreme rainfall events are increasing in intensity and frequency due to rising temperatures. The study, published in the Journal of Climate, shows a 7% increase in extreme rainfall for every degree rise in atmospheric temperature.
A study published in BioMed Central's open access journal Carbon Balance and Management suggests that afforestation can lead to cooler summers and wetter conditions in regions like Europe. Planting trees can provide localized benefits by making the surrounding air moister and cooler, sequestering carbon and protecting biodiversity.
Scientists recommend measures to adapt Santiago to climate change, including a monitoring system, green areas, and cooling roofs for low-income households. The city is expected to experience an increase in extreme heat and floods by 2050 due to rising temperatures and decreased precipitation.
A study by the University of Arizona and USDA found that plants can adapt their water demand to changing climate conditions, but this resilience has a limit. Prolonged droughts threaten the survival of plant communities, especially in sensitive environments like arid grasslands.
A new study emphasizes the importance of including infection prevention and control in hospital preparedness plans for flooding. Key findings include the need for cleaning and disinfection, remediation of mold, and post-flood surveillance to prevent outbreaks of flood-related infectious diseases.
A lack of consideration for older people's needs in emergency situations is hindering their response, according to Médecins Sans Frontières (Doctors without Borders) and HelpAge International. This group faces unique challenges such as difficulty traveling and accessing relief supplies, leading to increased mortality and morbidity rates.
The GOES-R Series Program has completed a successful review, demonstrating readiness to launch the new series starting in late 2015. The new satellites will provide improved weather forecasts and warnings, with enhanced imaging and atmospheric observations.
A study examining attitudes towards government responses after extreme weather events found that perceptions of helplessness can lead to a lack of personal action to prevent flooding. The research, led by the University of Exeter, highlights the need for governments to adapt to climate change and invest in flood resilience.
Climate change is affecting all regions in Europe, causing a range of impacts on society and the environment. Higher temperatures, decreased precipitation in southern regions, and melting glaciers are among the key findings.
A study found that extreme rainfall in the UK is expected to shift later in the year, especially in the south-east, where it will peak in autumn. This could lead to an increased risk of flooding, particularly when river catchments are at their maximum water capacity.
A new study finds that the tropical Indo-Pacific climate has shifted to a more El Niño-like state, leading to a slowdown of the Walker circulation. This change is driven by a gradual warming pattern in the region, which can impact global climate patterns and lead to extreme weather events.
A study led by University of Washington researchers identifies unusual weather patterns that contributed to the 2010 India flood, which killed 193 people. The findings suggest that organized clouds in high mountains can tap into additional moisture from nearby bodies of water, leading to severe flash flooding.
A team of University of Pennsylvania geologists observed how sediment was deposited in the Mississippi Delta during the 2011 flood. They found that diverting water into the Atchafalaya River Basin built up sediment in wetland areas, whereas the Mississippi River plume had a more focused and less sediment-rich effect.
A 20-year study at Harvard Forest Long-Term Ecological Research site reveals that leaving storm-damaged trees intact allows native plants and wildlife to thrive. The forest recovers naturally, with original conditions recovering more readily than after salvage logging.
A new study finds that deforestation in snowy regions consistently causes more floods, both big and small. In mountainous areas, trees help control snowmelt, but without them, water flows faster, leading to a significant increase in flood frequency.
Researchers predict that salt marshes can absorb significant amounts of carbon dioxide from the atmosphere, potentially slowing climate change. However, the ecosystems can only survive moderate rates of sea-level rise and may not be able to mitigate warming at high levels.
A new study finds that the frequency of extreme shifts in the South Pacific rain band will almost double in the next 100 years, resulting in increased floods and droughts. The warming atmosphere and oceans will also intensify these events, causing massive droughts, severe food shortages, and coral reef mortality.
NASA is monitoring four tropical systems across the Atlantic, including Tropical Depression Ernesto, which is generating heavy rainfall over Mexico's mountains. Meanwhile, the remnants of Tropical Storm Florence are lingering near Puerto Rico, while Tropical Depression 7 and System 93L may develop into new cyclones in the coming days.
China's water crisis is characterized by severe pollution, eutrophication, and lack of access to safe drinking water, with two-thirds of cities experiencing shortages. To achieve sustainability, experts suggest adopting a systems approach that considers multiple perspectives and values.
TRMM satellite data reveals areas of intense rainfall, with powerful convective thunderstorms dropping rain at a rate greater than 50mm/h, potentially intensifying the storm. Heavy rainfall is expected to cause flash floods and mudslides in affected regions, with up to 15 inches of rain predicted in some areas.
Researchers developed an online mapping tool analyzing how climate and other forces interact to threaten African community security. The tool ranks regions based on four sources of vulnerability, including physical exposure, population size, resilience, and governance effectiveness.
A review of recent research articles found that the South Asian summer monsoon is expected to experience more variability in rainfall due to climate change. However, regional projections for devastating droughts and floods remain uncertain due to inconsistent observations and complex thermodynamic processes.
A two-year grant from NOAA, NASA, NSF, and DOE will help the University of Miami improve seasonal climate predictions for severe floods or droughts in South Florida. The team aims to establish a comprehensive multi-model prediction system available in real-time to all sectors.
Scientists have developed a fast and easy method to detect and identify single spores of seven common types of mold using Raman microspectroscopy. The new technique involves collecting air samples on aluminum foil and analyzing the spores for potential contamination in homes and buildings.
A study suggests that subaerial chemical weathering plays a more significant role in forming rock platforms along coasts and rivers than previously thought. The researchers found that the platforms correspond to the saprock-bedrock boundary, remain within the zone of modern water table, and are weakened by wet/dry cycling.
A majority of California's coastal planners acknowledge the need to prepare for climate change impacts like rising sea levels and increased floods. Despite challenges such as limited funding and staff resources, many professionals are actively planning and trying to understand their climate change risks.
Hurricane Bud is expected to make a quick landfall in western Mexico before turning back to sea, bringing heavy rainfall and severe flooding to the region. The storm's slow movement may result in life-threatening flash floods and mudslides as it moves over Mexico's rugged coastal terrain.
A study published in Weather journal has reconstructed past climate events in Iraq and Syria using ancient Arabic records. The research team found a high number of cold waves, droughts, and floods between 816-1009, with temperatures dropping as low as 18°C in July 920.
Participatory agroforestry has restored land and secured the food supply in DPR Korea, increasing tree cover and productivity. The user groups' involvement and rights-to-use agreements contributed to the project's success.
High-resolution photos of Martian lava flows reveal coiling spiral patterns that resemble snail or nautilus shells, a new form of lava flow discovered by Arizona State University graduate student Andrew Ryan. The discovery suggests possible interactions between lava flows and water floods in the Elysium volcanic province.
Climate change is expected to reduce agriculture productivity by up to 50% in Southeast Asia, posing a significant threat to food security. Climate-smart agriculture has become crucial for the region's adaptation strategy, focusing on innovations to adapt agriculture to wild swings in climate extremes.
Tropical Storm Daphne brought heavy rainfall and flooding to the Fuji Islands in Fiji, causing at least three deaths and thousands of evacuations. The storm's rainfall totals reached over 600 millimeters, with some areas experiencing intense rain within a wide band of precipitation.
The University of Miami will study typhoons, monsoons and internal waves using SAR imaging to improve tracking and predictability. The new grant will provide valuable data for governments and first-responders in preparedness for natural disasters.
A new assessment reveals large areas in Europe and Africa with insufficient freshwater resources, exacerbating water scarcity issues. The report emphasizes the need for improved water management and forecasting to address future challenges.
Researchers have analyzed ancient manuscripts from 9th-10th century Iraq to reconstruct the climate of the past. The study reveals abnormal weather patterns, including droughts and floods, as well as rare cold events such as hailstorms and snowfall in Baghdad.
Researchers from Princeton University and MIT found that projected increases in sea level and storm intensity brought on by climate change would make devastating storm surges more frequent. They developed a simulation tool that can predict the severity of future flooding an area can expect.
NASA is upgrading its Global Positioning System (GPS) and International Terrestrial Reference Frame to improve location accuracy. The new systems will benefit not only GPS but also observations of Earth from space, enabling more precise measurements of the planet's shape, orientation, and gravity field.
Researchers from UT Austin are part of a $3 million NSF Delta research collaboration to build comprehensive computer models for predicting river delta evolution. The project aims to understand how deltas respond to human activities and learn to direct delta evolution.
Researchers at NCAR are developing prototype devices that can almost instantly measure large areas of snow using light pulses, satellite signals, and other technologies. These devices have the potential to provide a global picture of snow depth and improve weather forecasts.
A new study suggests that Colorado's Rocky Mountains will experience a near elimination of surface hail by 2070. The warmer climate could lead to more runoff and an increased risk of flash floods. Meanwhile, intense storms may produce more hail inside clouds, but it will melt quickly and fall as rain.
Tropical Storm Washi dumped heavy rains over Mindanao, triggering catastrophic flash floods and mudslides. Rainfall totals reached 200-400 mm along the east coast, equivalent to four months of rainfall in Washington, D.C.
Researchers at Duke University Medical Center discovered naturally occurring variations of the TRPA1 gene that allows fruit flies to sense potentially dangerous discomforts, including heat and pain. The findings may have implications for understanding temperature sensitivity in humans and developing new treatments for conditions such a...
Researchers analyzed soils in Cedar Rapids for industrial pollutants like PCBs and chlordanes, finding levels similar to other urban/industrial sites globally. The study highlights the need for caution regarding contaminated soil as a source of exposure to persistent organic pollutants.
A team of MSU researchers is working on a project to link climate change to coping strategies and impacts on food production, security, and incomes for farm families in Zambia and Kenya. The study will provide new information on how climate change affects farming households and their responses.
A recent study published in Health Affairs reveals that climate change-related events in the US resulted in $14 billion in health costs, 21,000 emergency room visits, and nearly 1,700 deaths. The analysis highlights the need for effective partnerships to mitigate public health damage and reduce health risks.
Scientists found significant increases in annual temperatures in south-western China, with 77% of weather stations displaying statistically significant rises. Glaciers are retreating at an alarming rate, threatening natural habitats and ecosystems.
Researchers found that elderly residents in long-term care facilities who were evacuated during a severe summer storm experienced delirium, cognitive changes, hospitalizations, and death. The study highlights the need for nurses to be aware of the potential difficulties older adults may experience during disasters.
The HybridSil Fire/Blast coating is a game-changer for military applications, offering blast- and fire-resistance to various surfaces. It was developed by ONR scientist Dr. Roshdy George S. Barsoum and can be applied like paint, with minimal surface preparation.
Researchers designed a synthetic genetic circuit that creates a striped pattern, using genes from one species of bacterium and inserting them into another. By controlling the rate at which cells move, they can create distinct patterns with concentric rings of crowded and dispersed bacterial cells.
Scientists at Delft University of Technology have developed a new method using luminescence dating to determine the year of historic storm floods. By analyzing layers of sediment in the dunes near Heemskerk, they were able to establish that the flood occurred in either 1775 or 1776.
Researchers at the Geological Society of America meeting connect extreme weather events over the past decade to climate change. Warmer oceans, fueled by increased carbon dioxide and greenhouse gas releases, contribute to more frequent and intense storms, droughts, and wildfires.
USDA researchers explore the use of unmanned aerial vehicles (UAVs) to monitor changing land-use patterns in western rangelands. The results show that aerial data can be comparable to information gathered through ground-based surveys, with potential applications for erosion control and invasive species monitoring.
Researchers at Stanford Medicine have engineered human heart cells that respond to light, using optogenetics. These light-sensitive cells could lead to a new class of pacemakers and genetically matched replacement heart cells, potentially replacing traditional electrical pacemakers and addressing tissue rejection issues.
Researchers investigated 50-million-year-old clam shells and wood from Antarctica, finding a climate rhythm resembling El Niño and La Niña in the South Pacific Ocean. The results indicate that global warming may not disrupt the ENSO climate rhythm above the South Pacific Ocean.
Researchers identified a specific receptor-based mechanism that triggers cytokine storms, leading to severe lung damage and organ failure. The discovery opens new possibilities for treating this condition with targeted therapies.