Research on rainfall and the water cycle. Covers climate-driven precipitation, hurricanes and storms, moisture transport, and extreme-weather forecasting.
Climate experts predict a decline in tropical storm frequency by 50% by 2050 across the Ganges and Mekong basins, but an increase in intensity, with high-resolution models showing significant increases for intense storms. This shift could impact disaster risk mitigation and climate adaptation strategies.
A deep learning approach has unveiled a significant change in the characteristics of global daily precipitation for the first time. The research found that on more than 50% of all days, there was a clear deviation from natural variability in the daily precipitation pattern since 2015.
Research found seven regional hotspots where sudden shifts from drought to heavy rains are becoming more common due to climate change. The study's discovery of land-based feedback loops can help improve predictive climate models and aid communities in preparing for extreme weather conditions.
Research reveals that Dansgaard-Oeschger events triggered drastic global changes in atmospheric circulation and precipitation, impacting tropical monsoon domains severely. The study's findings support improved models to represent abrupt climate changes, shedding light on the potential impacts of future human-made global warming scenarios.
Scientists have analyzed satellite data to better understand the pre-monsoon season's microphysical features, including larger rain droplets and more heavy ice precipitation on land. Their findings could improve weather prediction and mitigate damage from adverse climate events.
Researchers found 27 million cubic meters of sediment moved through Houston waterways, equivalent to 40% of the Mississippi River's annual discharge. The study suggests river straightening can exacerbate sediment bypass, decreasing reservoir holding capacities by up to 1.6%
A new study reveals that volcanic eruptions can temporarily weaken the Pacific Walker Circulation, a major driver of global precipitation. The recent strengthening of this circulation suggests that aerosols from human activity may have an opposite effect on its behavior.
A Dartmouth-led study suggests that expanded irrigation of corn and soybeans in the US could outweigh costs by mid-century. The research found that certain regions, such as North Dakota and Michigan, would benefit from irrigation due to increasing drought conditions.
A Washington State University-led study found that dry lightning can cause wildfires despite up to 7.7 mm of precipitation, posing a risk for responders to detect fires earlier. The research analyzed data on over 4,600 naturally caused fires and found holdover fires, which can smolder for days before exploding into full-blown wildfires.
New research suggests that rising temperatures may offset the impact of increased precipitation on nitrogen runoff, which could lead to reduced aquatic pollution. The study found that warmer temperatures reduce evaporation, allowing more nitrogen to enter waterways, while also affecting microbial life in soil and sediment.
Researchers at the University of Reading have discovered a link between Indian weather forecasting techniques and predicting extreme rainfall in Sri Lanka. By analyzing wind patterns and the Madden-Julian Oscillation, they can identify areas prone to heavy rainfall, allowing communities to better prepare for deadly natural disasters.
Research predicts increased frequency and intensity of extreme El Niño events due to high atmospheric carbon dioxide, even after CO2 reduction. Simulations suggest potential climate regime shifts in affected regions, with some areas experiencing desertification while others face increased flooding.
The US canned and frozen corn industry is struggling in the Midwest due to climate change, with rainfed production areas experiencing significant declines. The analysis also found a strong relationship between extreme temperatures and sweet corn yield loss.
Large-scale agriculture is escalating flooding in the Argentinean Pampas by disrupting groundwater reserves, increasing flood coverage, and making precipitation-sensitive lands more vulnerable. This transformation has resulted in floods doubling their coverage and becoming more sensitive to changes in precipitation.
Climate change is shifting snowfall to rainfall on mountains across the Northern Hemisphere, increasing the risk of floods, landslides, and soil erosion. The study found that for every 1 degree Celsius increase in global temperature, high elevations can expect an average of 15% more rain.
A new computer model forecasts yield for four key crops in the southeastern US, drawing on climate, groundwater, and agricultural data. The tool helps farmers and water resource managers identify ways to maximize crop yields while efficiently utilizing water and energy.
A specially designed garden, rain garden, can capture toxic tire chemicals associated with tires entering waterways by more than 90%. Researchers tested a Vancouver rain garden and found that it captured about 75% of the chemical, preventing it from entering salmon-bearing streams.
A recent study suggests that songs with high energy and positive emotions are more likely to match prevailing weather conditions, influencing listener preferences. The research found a strong association between energetic and positive music and warm and sunny weather, but only for popular songs.
Researchers highlight the importance of human observation of storm events to understand wet weather's impact on the natural world. Direct observation can enhance understanding, incite curiosity, and strengthen bonds with nature, enriching environmental education and inspiring research.
Climate change affects giraffe populations differently than expected, with higher temperatures positively affecting adult survival but rainier wet seasons negatively impacting both adults and calves. Heavy rains increase parasites and reduce nutritional value of vegetation, further threatening giraffe survival.
The CAETÊ algorithm projects the future of vegetation in the Amazon, presenting scenarios for transformation driven by climate change. It shows that a drier climate could increase biodiversity but lower carbon storage, with carbon absorption dropping between 57.48% and 57.75% compared to regular climate conditions.
A new study from Tufts University predicts a significant increase in extreme temperatures affecting wheat yields in the US and China. The research warns of potentially disastrous consequences for global food supplies if crops are impacted by heat stress, which can occur at temperatures above 27.8°C.
A new Dartmouth study projects a 52% increase in extreme precipitation events in the Northeast by the end of the century. The region is expected to experience more frequent heavy rainfall events, with winter and spring contributing most to this projected increase.
A new study from the University of Colorado Boulder documents more than 60 years of change in snowpack water storage across Western North America. The researchers found that snowpack water storage has significantly declined in over 25% of the Mountain West, leading to earlier water scarcity and impacts on agriculture and wildfire risk.
A new study suggests that modular production techniques can minimize construction delays caused by weather, resulting in cost savings for builders. The research estimates that using modular construction can reduce costs by approximately AUD$40,000 on a $6.4 million project.
NERC has invested £25 million in a host of high-risk, high-reward research projects tackling key unanswered questions about our planet. The projects cover geology, atmospheric science, biodiversity and ecology, with research spanning 3-4 years and funding up to £1.3 million.
A new Dartmouth study examines how changes in precipitation and temperature due to global warming affect streamflow and flooding in the Northeast. The research finds that a warmer climate will lead to increased streamflow and higher flood risk, particularly if soils become wetter and more prone to heavy rainfall events.
Researchers are studying the impact of climate change on basement pathogens, moisture, and air quality in urban environments, focusing on Black Americans in Pittsburgh. The study aims to document conditions and understand the link between weather events and cumulative health impacts for residents across the adult lifespan.
Research finds extreme precipitation days will become more frequent, with up to 20-30% increase in moisture release. The LOCA2 climate projections cover the lower 48 US states, southern Canada, and northern Mexico, providing granular-level information for local planners.
Storm geysers can cause significant flooding, damage, and injury due to poor city planning and inadequate drainage systems. A new computational model suggests increasing pipeline diameter and improving system design as effective preventive measures.
Researchers found that simultaneous learning of two tasks enhances a deep-learning model's performance on retrieving precipitation information from satellite data. The new framework uses multi-task learning to improve current estimates of precipitation, outperforming existing approaches.
The study reveals that a lack of community involvement and inadequate governance are major contributors to wildfire management in the Amazon region. Local stakeholders identified deficiencies in institutions, staff cuts, and underinvestment as significant vulnerabilities.
Researchers found that low-impact development practices, such as permeable pavement and bioretention cells, are effective in reducing flood risk in residential areas. Detention basins are also a viable option for areas with high impervious surfaces.
Researchers from Heidelberg University discovered CO2 pulses in Australian atmosphere at end of dry season, triggered by soil microorganisms activated by heavy rainfall. This finding suggests dry regions have a significant influence on the global carbon cycle, contributing to climate modelling and understanding.
A recent study reveals that uneven future warming in the Indian Ocean can cause shifts in monsoon precipitation, with potential impacts on societies and ecosystems. The research identifies key mechanisms driving these changes, including winds and ocean currents.
A machine learning model developed by Colorado State University researchers has been tested with forecasters at the Storm Prediction Center to improve medium-range severe weather forecasts. The tool provides a probabilistic measure of hazardous weather events, such as tornadoes and hail, four to eight days in advance.
New research reveals methane traps heat in the atmosphere but also creates cooling clouds that offset 30% of the heat. Methane absorbs both longwave and shortwave energy, leading to a slight cooling effect.
A recent study found that malaria control programs in Amazonian Peru reduced the disease by 78% but saw a rebound when funding was cut, driven by climate change. Climate change has exacerbated malaria transmission, with rising temperatures and intense rainfalls contributing to the resurgence of the mosquito-borne disease.
A new method devised by Rensselaer Polytechnic Institute's Moussa N'Gom enables effective free-space optical communication between satellites and the ground, unaffected by rain and clouds. The ultrafast lasers create a long filament of light that clears space for visible light transmission.
Research reveals a clear link between tropical forest loss and reduced rainfall, with potential consequences for agriculture, hydropower plants, and local communities. The study estimates that continued deforestation in the Congo could lead to a 8-12% reduction in rainfall by the end of the century.
Scientists from Chinese Academy of Sciences have revealed the predictable and unpredictable components of the anomalous WPSH in July 2021. The study suggests that positive precipitation anomalies over the tropical western Pacific driven by La Niña contributed to the northward shift, while atmospheric internal intraseasonal oscillations...
A new study found that urban friction can strengthen the precipitation of landfalling tropical cyclones, leading to increased vulnerability for coastal cities. Urban surface friction and physical mechanisms make a significant contribution to enhancing rainfall produced by TCs.
A recent study at Baskett Forest found that forests reach an ecosystem wilting point between 2-4 weeks of extreme drought, requiring soaking rainfall to rejuvenate. This concept explains how whole forests respond to drought and is essential for understanding their dynamics under climate change.
Researchers found that the Paleocene-Eocene Thermal Maximum, a 5-8°C warming event, was caused by high carbon dioxide and methane levels. The team's study provides new insights into sedimentary systems and the impact of seasonal changes on ocean turbidity.
A study using tree rings reveals a 400-year trend of increasing droughts and floods in the Kabul River Basin, with severe events becoming more frequent. The research suggests that climate change is intensifying hydrological cycles, leading to devastating consequences for natural resources management.
Heavy rainfall in Northwest India and North China in September 2021 was unexpectedly high, triggering dire consequences. The study found that warmer conditions over continental Eurasia led to an anomalous cyclone in India, transporting abundant water vapor into the region.
Researchers from McGill University found that changes in sea levels during the Ice Age affected crocodile gene flow, isolating Caribbean and Pacific populations with distinct genetic mutations. The study reveals the resilience of American crocodiles to climate swings and highlights the need for targeted conservation efforts in Panama.
Researchers link extreme thunderstorms to Amazon tree deaths, predicting 43% increase in large windthrow events by the end of the century. The tropics will see a 50% increase in areas susceptible to extreme storms triggering windthrows.
Computer modeling by Oregon State University scientists shows that Douglas-fir trees are likely to experience more stress from drier air as the climate changes. This is crucial for understanding forest sensitivity to a shifting climate, given their widespread ecological, cultural and economic significance.
A new study reveals that changing ocean circulation strengthens precipitation patterns in the Indian Ocean, leading to more intense flood events and droughts. The research suggests a mutual amplification of these effects due to global warming and weakened ocean circulation.
Scientists analyze past El Niño events to better understand climate patterns over the past 12,000 years. They found that Eastern Pacific events have increased in frequency, while Central Pacific and Coastal events have decreased, resulting in changes in hydroclimate in the tropical Pacific.
A study by Hokkaido University reveals that the El Niño Southern Oscillation (ENSO) has caused more frequent heavy rainfall in the Mekong Delta, resulting in increased flooding risk. The findings suggest that better weather predictions and preparation can help mitigate the negative effects of floods and droughts in the region.
A study by the University of Reading found that up to 20-25% of UK land may be suitable for growing high-quality Chardonnay still wines by 2050. The regions with the best conditions are expected to be South East England, East of England, and Central England.
A new study from the University of Wisconsin-Madison found that while phosphorus is a key ingredient for algae blooms, other factors like calm winds, warm surface waters, and low zooplankton populations can delay or prevent blooms. Drastically reducing phosphorus use on land may be the only option to head off future blooms.
Researchers found that summer rainfall and autumn-winter dry days are increasing, leading to fluvial discharge and sediment load in rainy seasons and water deficits in dry seasons. The Pantanal's complex geomorphology, including mega-fans and self-affine landforms, makes it susceptible to anthropic interference.
A new study by UNSW and the University of Melbourne found that estimates of Probable Maximum Precipitation (PMP) for large dams in Australia are expected to increase by 14-38% on average over the next 80 years. This is due to climate change and outdated modelling, which has not been updated since at least 20 years ago.
In northern China, about 4,000 years ago, farmers adopted a practice of purposeful water management to grow new grains. The results showed that the majority of wheat samples had isotopic values above an optimal watering threshold, indicating their growth was not limited by water availability.
A recent study analyzing Amazon Rainforest fires from 2003-2020 reveals that most fires are caused by uncontrolled human use of fire for agriculture and deforestation. The study found that Brazil accounted for an average of 73% of detected fires, with pasturelands and natural grasslands being the main burned areas.
A new study predicts that climate change will increase rainbow viewing opportunities in northern latitudes and high elevations, while decreasing them in tropical regions. The research used photographs from Flickr to map rainbow occurrences under current and future climates.
Research by Penn State found that lower-than-normal rainfall in Tanzania is associated with a 13-percentage-point increase in the risk of being food insecure for households. The study's findings suggest potential policy interventions to help agricultural households become more resilient against drought conditions.