Articles tagged with Rain
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Scientists recreated Titan's conditions, studying properties of organic molecules ACN and PCN on the moon's surface. The findings could provide insights into Titan's surface cracking and confirm its mineral composition.
A study analyzing 7,000 tree falls in São Paulo City found that most occurrences occur in the rainy season due to weather conditions. However, a significant number of trees fell during the dry season, attributed to poor management and inadequate conditions for street vegetation.
Research in the southern Murray-Darling Basin has found a downward spiral in water availability, driven by accelerated changes in climate. Since the 1990s, cool season rainfall and river heights have significantly decreased due to increased evaporation and changed precipitation patterns.
Researchers analyzed sediments from Lake Nvshan to reconstruct a high-resolution model of the monsoon precipitation in the Jiang-Huai region. They found large fluctuations of sediment redness over the past 1800 years, indicating wetter and drier periods during the Little Ice Age and Medieval Warm Period.
Heavy rainfall accelerates radiocesium leaching from forest litter, increasing dissolved cesium in stream water. The study suggests that expansion of the contact area between water and litter due to groundwater table rise is the main factor.
Research predicts that climatologically wet regions will get wetter on average, but also swing widely between wet and dry conditions. This increased rainfall variability could lead to more extreme weather events impacting crop yields, river flows, and infrastructure resilience.
A new study suggests that droughts in South America will increase by the end of the century due to rising temperatures and greenhouse gas emissions. The study used 38 Global Climate Models to analyze temperature and precipitation changes across the continent.
Researchers have developed novel approaches to resolve low-level vision in videos caused by rain and night-time conditions, as well as improve 3D human pose estimation in videos. These techniques can be used to enhance the quality of night-time videos and rain videos, addressing visibility issues during these environmental factors.
Researchers from Tokyo Metropolitan University analyzed long-term satellite data to find a significant increase in rainfall over the past decade during the annual Meiyu-Baiu rainy season. The increased rainfall is driven by tropical moisture transport and upper tropospheric troughs, which are strongly correlated with enhanced rainfall.
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 Newcastle University and the Met Office predicts a significant increase in slow-moving intense rainstorms across Europe by the end of the century, potentially leading to devastating flooding. The research estimates that these storms could be 14 times more frequent, with increased rainfall accumulations and flash flood risk.
The study found that under an intermediate greenhouse emission scenario, temperatures will rise during dry episodes but long-lasting dry episodes will not increase. However, if emissions are not reduced, summer no-rain periods will last five more years and temperatures will rise by 6ºC.
A study by the Max Planck Institute of Animal Behavior found that declining rainfall in the Congo Basin has lengthened bonobo sleeping nest decay times by 17 days over 15 years. This could lead to overestimating population density and jeopardizing conservation efforts.
Researchers attribute the record-breaking meiyu rainfall in the Yangtze River basin to an anomalous western North Pacific subtropical high pressure system. This pressure system's change and associated air-sea interactions were found to be independent of ENSO, providing accurate forecasts despite neutral ENSO conditions.
A new study suggests that a 50% increase in atmospheric CO2 could lead to a 12% annual drop in Amazon rainfall, surpassing the impact of complete forest replacement with pasture. The researchers ran simulations showing that reduced transpiration and leaf area would result in less water vapor emission, leading to decreased rainfall.
Human activities contribute to a four-day delay in seasonal rainfall, threatening crop production and exacerbating heatwaves. The delayed onset of monsoon rainfall also jeopardizes the livelihoods of large populations in regions like India.
A new study reveals that tropical rainfall clusters in the western Pacific contribute to East Antarctic summer cooling. The Madden-Julian Oscillation (MJO) plays a key role in this phenomenon, with MJO-related rainfall and pressure changes favoring cooling of East Antarctica.
A new study predicts severe drying of the Amazon forest, threatening its viability and biodiversity. The eastern part of the Amazon is expected to face extreme drought by the end of the century, with reduced rainfall comparable to major droughts in 2005 and 2010.
The study suggests that the tropical rain belt's latitudinal oscillation range contracted, resulting in reduced rainfall in Brazil's Northeast region. This finding can help predict the region's future climate and inform strategies for managing food and water security.
The Mains to Rains website aims to reduce water dependence in gardens by providing tips on saving water such as installing water butts and mulch. The site is part of a KTP between Cranfield and the RHS to promote improved water management practices.
Researchers have found that summer rainfall on the Tibetan Plateau is highly predictable on multiyear timescales using large ensemble predictions. The study reveals a substantial underestimation of the predictable signal in state-of-the-art decadal prediction models.
A new study suggests that rising CO2 levels and warming temperatures will lead to stronger monsoon seasons in the Indian subcontinent. The research, published in Science Advances, analyzed sediment core samples from the Bay of Bengal and found a correlation between CO2 levels and intense monsoon rainfall over the past 900,000 years.
A new study using Regional Climate Models (RCMs) at kilometer scale has shown significant improvements in simulating extreme rainfall events. The RCMs outperform lower resolution models, especially during summer months, providing more accurate predictions for policymakers to adapt to climate change.
African researchers identify ancient El Niño-like weather patterns as major climate drivers, challenging existing views on human evolution. The 'climate seesaw' shifted rainfall between eastern and western Africa over 100,000 years, influencing vegetation, mammal fauna, and human dispersal.
Researchers analyzed a sediment core from Lake Tislit, Morocco, and found that the Sahara expanded with greenery during the African Humid Period. The expansion was caused by increased winter precipitation rather than a northward expansion of the monsoon.
Researchers analyzed pollen and leaf waxes to reconstruct vegetation cover and rainfall in the past. Mediterranean plants tolerate arid conditions with winter rain, suggesting a southward shift of westerlies during the African Humid Period. This climate scenario produced a Green Sahara with two seasonal rains.
Researchers found that stormwater can carry high concentrations of microplastic particles, including microscopic fibers and black rubbery fragments, into water bodies. A proof-of-concept experiment showed that a rain garden can capture up to 98% of these microparticles, suggesting a potential solution to reduce microplastic pollution i...
The study reveals that the 2019-20 drought was caused by a meteorological phenomenon, atmospheric blocking, which prevented raincloud formation. The Pantanal's severe drought had devastating effects on the biome due to high temperatures, low humidity, and exacerbated by human activities like deliberate burning of vegetation.
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.
Researchers used seismic waves to monitor groundwater dynamics in high mountains, tracking changes in soil saturation and predicting runoff. The study provides valuable insights into the function of the vadose zone as a link between precipitation and groundwater reservoirs.
A new metric characterizes the 'inertia' of water after rainfall, allowing better analysis of freshwater storage capability using satellite data. On average, global land surfaces can retain over one quarter of monthly precipitation, with smaller areas having wetter conditions and larger areas having drier climates.
Research highlights model biases in simulating large-scale and convective precipitation, leading to inaccurate rainfall projections. The study suggests that accurate convective/large-scale rainfall partitions are necessary for reliable climate projections.
A new study suggests that the Antarctic ice sheet was more unstable in the past than previously thought, with fluctuations in its area causing significant changes in deep-sea temperatures. This can lead to a chain reaction of climate change, accelerating further ice loss and increasing rainfall on Antarctica.
Researchers simulate conditions necessary for Saturn's unique magnetic field, indicating higher temperatures at the equatorial region and lower temperatures at high latitudes. The findings advance the effort to map Saturn's hidden regions and provide insights into the planet's formation and evolution.
A recent study suggests that climate change may cause a decline in plant diversity, particularly in dryland regions. The researchers found that changes in precipitation levels have a greater effect on plant diversity in drylands compared to wetter regions.
The study found that sea surface temperature fluctuations in tropical Pacific, Indian, and Atlantic Oceans contribute to heavy rainfall events in China. Additionally, the Siberian High pressure system played a significant role in inducing cold surges during the winter of 2020/21.
Scientists have discovered a new type of coronal rain forming along open magnetic structures on the Sun, which is facilitated by interchange magnetic reconnection between open and closed magnetic structures. This mechanism triggers thermal instability, leading to cooling and condensation of hot coronal plasma, resulting in coronal rain.
The study predicts stronger and more erratic monsoon rainfall in India, with potentially grave consequences for the country's agriculture, economy, and food systems. Climate change is also causing more unpredictable weather extremes, posing a threat to the socio-economic well-being of the Indian subcontinent.
Research led by Prof. Ping Huang found that the ENSO-Indian summer monsoon rainfall relationship has been strengthening since 1999/2000, driven by tropical Atlantic SST anomalies. This restoration of the relationship improves climate prediction and restores confidence in physical process-based predictions.
Scientists discovered that the record-breaking rainfall was influenced by all three oceans, with the Atlantic playing a dominant role. The study found that positive SST anomalies in the western North Atlantic induced changes in atmospheric circulation patterns that led to the extreme rainfall.
Across most of the western US, dry periods between rainstorms have become longer and annual rainfall has become more erratic over the last 50 years. This is according to a new study that used actual rainfall data from 337 weather stations, revealing changes in drought length and rainfall patterns.
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.
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 recent study reveals that droughts over the southwestern Tibetan Plateau are triggered by ocean warming in the eastern Pacific, approximately 18,000 km away. The researchers found that anomalous advection of moist enthalpy and suppressed rainfall contribute to this phenomenon.
Researchers found that Hawaii's location in the subtropical Pacific, combined with its mountains and clean air, create an ideal environment for frequent rainbow sightings. The new RainbowChase app, developed by Dr. Steven Businger, uses Doppler radar data and satellite images to alert users of favorable conditions.
A study found that warming in the Indian Ocean led to extreme monsoon rainfall and Yangtze River flooding in 2020. The researchers used a global atmospheric model and observed data to predict the excessive rainfall, which was mainly caused by temperature anomalies in the Indian Ocean.
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 from WMG, University of Warwick found that LiDAR sensors' effectiveness decreases in heavy rain, hindering object detection. The study simulated real-world roads and weather using the WMG 3xD simulator to test LiDAR sensor performance.
A recent UNSW Sydney study pairs satellite imagery with site-based field research to show that removing dingoes leads to overgrazing and reduced soil quality. The effects of dingo removal are visible from space, with vegetation inside the fence having poorer long-term growth than outside.
A new study published in Frontiers in Earth Science uses citizen science data to identify the temperature cutoff between rain and snow in winter storms in the Lake Tahoe region of the Sierra Nevada. The results show that a warmer temperature threshold of 39.5°F may be more accurate for predicting precipitation in this region.
Researchers developed a framework to better predict extreme rainfall events in Mediterranean countries by analyzing weather data from 1979 to today. The study found strong relations between nine distinct atmospheric patterns and the location of extreme weather events.
Climate models predict an increase in extreme ENSO-related swings in rainfall due to future ocean warming, but temperature difference between El Niño and La Niña may change little. Researchers found that increased rainfall sensitivity is key to understanding this phenomenon.
A new study analyzes the relationship between the Mongolian cyclone and the South Asian high, finding that their coupling accounts for 66% of seasonal rainfall anomalies in China. The research suggests that enhancing summer rainfall forecast skill in China can be achieved by analyzing these phenomena in the upper-level atmosphere.
Researchers from Rutgers University discovered that clouds can carry bacteria and algae, which could impact human health and ecosystems. The study found various types of algae, including cyanobacteria, in cloud water and rainwater collected from France, highlighting the need for further research on these microorganisms.
The study reveals that next-generation climate models will provide valuable information on hourly precipitation, enabling better adaptation policies for infrastructure and economies. The research demonstrates the added value of high-resolution climate simulations, confirming their worth in areas with complex orography like the Alps.
Large-scale commercial farms in the southern Amazon accelerate climate change by increasing temperatures and reducing rainfall, whereas small-scale farms have less significant impacts. Alternative agricultural practices like agroforestry are needed to mitigate environmental changes and protect the remaining forests.
Researchers have found that ECMWF's SEAS5 system accurately predicts the timing of the monsoon in India's major agricultural regions, a month in advance. This information can be crucial for farmers to prepare for unexpected heavy rainfall or extended dry periods, which regularly destroy crops in India.
Researchers found that deforestation for large-scale commodity farms leads to decreased rainfall rates and higher surface temperatures compared to small-scale farms. Temperature increases range from 1.05 to 3.06 °C in deforested lands dominated by commodity farms.
A study found that variable weather conditions make pre-emergence herbicides less effective, leading to increased use of post-emergence herbicides. Herbicide combinations can help minimize rainfall requirements and improve weed control.