This study analyzes the long-term trend of summer water vapor and its mechanism over the Tibetan Plateau, finding notable increasing trends in water vapor content and net water vapor budget. The results project significant future changes in water vapor and precipitation over the plateau under global warming.
Regions such as the southwestern US, Amazon and Mediterranean will experience intensified drought from 1901 to 2100. Hydrological and agricultural droughts are expected to intensify more than precipitation drought due to increasing climatic water demand deficit.
A new hourly high-resolution precipitation dataset, ERA5@2km, has been developed using reanalysis over 20 European cities for the recent past thirty years. The dataset provides a basis for impact analysis at city scale, in terms of extreme hourly precipitation.
A study published in Nature Geoscience found that consumption-related sulphate aerosols from developed and developing countries have comparable climate impacts, regardless of region. The research clarifies the significance of consumption activities on global temperature and precipitation.
The NUIST-CFS1.0 model has positive skill in seasonal precipitation forecasts across Ethiopia, Kenya, Uganda, and Tanzania, with relatively accurate products throughout the rest of East Africa.
A new study finds that changes in precipitation can determine whether Miami blue butterfly populations grow or shrink. The research simulated future conditions using climate models to test how butterfly populations would respond to shifts in rainfall patterns.
Researchers discover Amazon basin as main mechanism for precipitation in Atacama Desert, accounting for 40-80% of total precipitation. The findings reveal a new pathway of water supply for the driest region on Earth, aside from summer rain, through moist easterly winds and winter storms.
Researchers at USTC reconstructed precipitation patterns in East Asian monsoon region during the Holocene and proposed a driving mechanism. The study suggests that low-latitude seasonal insolation changes, modulated by Western Pacific Subtropical High, control monsoon precipitation variation.
The Mountain Rain or Snow project collects observations of rain, snow, and mixed precipitation from across mountainous regions. Volunteers can submit their own reports via smartphone or computer to improve satellite monitoring and model predictions, leading to better weather forecasts, skiing conditions, and avalanche risk assessments.
Climate change-driven reductions in precipitation and river discharge will diminish the Amazon's hydropower capacity, according to a new study. As a result, alternative energy sources like solar and wind are expected to become more important.
A new study finds that urban areas are up to 10 times more sensitive to variations in precipitation than rural areas, increasing landslide hazard. Human-made changes to topography and vegetation loss in urban areas weaken slopes and make them more prone to landslides.
Heavy precipitation affected a significant portion of China, with the Yangtze River basin experiencing extreme flooding and multi-day rain events. The study found that the East Asian Summer Monsoon front played a dominant role in bringing persistent precipitation to the region.
An analysis by the University of Basel has revealed that mercury enters seawater primarily through gas exchange, not rainfall. The study found that approximately half of the mercury in the ocean originates from gaseous emissions, rather than precipitation.
A new study suggests that keeping reservoir levels low during droughts can exacerbate the problem and contribute to Brazil's current water and energy crisis. Storing more water in reservoirs could increase precipitation and river flow, alleviating the crisis.
A recent survey of people affected by hurricanes found that the public is willing to pay more than $500 million a year for improved hurricane forecasts. The study also found that wind speed forecast is the most valuable improvement, with an average willingness to pay of $28.89 per household per year.
Scientists compiled a 71-year potential risk index dataset to estimate TC impact severity on the Chinese mainland, showing increased damage over time. Recent upward trends in precipitation and wind values contribute to larger TC impacts along coastal China.
The Three Gorges Region experienced its second-highest average precipitation on record, with heavy rainstorms and floods dominating the summer of 2020. The region's ecological environment improved, with a significant weakening trend in acid rain over the past decade.
Climate change is altering flooding patterns, with moderate storms producing less runoff due to increased soil moisture, but extreme storms causing more devastating flooding. The study's findings have significant implications for infrastructure design and flood risk mitigation strategies.
A new study using convection-permitting models reveals improved simulations of precipitation and atmospheric circulation over the Tibetan Plateau. The models reduce the wet bias in simulated precipitation by 47% and improve the simulation of large-scale circulation, leading to better moisture transport into and out of the plateau.
Researchers from the Institute of Atmospheric Physics found that tropical Pacific decadal variability and Atlantic multidecadal variability drive Central Asian precipitation changes. Warmer SSTs in these regions favor wetter conditions, especially in southern and northern parts of Central Asia.
Researchers found extreme precipitation events are the primary contributor to total precipitation in Northwest China. The region's westerly and plateau zones have seen a significant increase in EPE frequency and occurrence, starting earlier and lasting later. In contrast, monsoon regions of Southeast China experience opposite trends.
Researchers found that electron precipitation from northern lights causes local ozone layer depletions in the mesosphere, potentially impacting climate. The study provides insight into this phenomenon, known as pulsating aurorae, and highlights its significance for global climate change.
A new machine learning tool developed by Stanford researchers can accurately predict extreme precipitation events in the Midwest, accounting for over half of all major US flood disasters. The approach uses atmospheric circulation patterns to identify factors responsible for recent increases in Midwest extreme precipitation.
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.
A recent study found that greenhouse gases from human activity and warmer North Atlantic Ocean temperatures contributed to the Northeast's increased extreme precipitation since 1996. The research used global climate model simulations and statistical methods to isolate the causes of the increase.
Researchers found that La Niña events increase the carbon export from the Amazon River by 2.77 teragrams per year, equivalent to the amount exported from the Mississippi River in a typical year. This is due to increased precipitation in Amazonian headwaters leading to flushing of materials from land.
New analysis of 71 years of data reveals that Santa Ana wind fires are largely driven by powerline ignitions and wind speeds. Ignitions account for all fires during these events, with powerline failures being a major contributor to land area burned.
Researchers reconstructed full-frequency precipitation variability in the Asian Summer Monsoon using a 6,700-year tree-ring stable isotope chronology. The data suggests a long-term decreasing trend and several abrupt climate change events, including a drought regime from ~1,675-1,185 BCE.
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.
A recent study found that Finland's lakes in Lapland will have higher mercury levels due to climate change and increased land use. The warmer climate and more intense land use lead to the leaching of nutrients and carbon-bound mercury into waterways, causing a biomagnification effect on fish and food webs.
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.
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 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.
A 34-year climate study reveals that decreased wind speed is associated with delayed onset of annual leaf drop, extending favorable growth conditions later into autumn. The authors suggest that reduced soil drying due to decreased winds may be a key factor in this phenomenon.
Researchers at Singapore University of Technology and Design have developed a unique method to fabricate freeform structures of thermoplastics in microparticulate gels. This innovation uses immersion precipitation of polymer inks in microparticulate gels, enabling the creation of mechanically strong components without support materials.
Climate change will drive droughts, heat waves, floods, and low river flows in the Colorado River basin. The study found an average temperature rise of 5.5 degrees Celsius and a significant increase in concurrent extreme hydroclimate events.
The Bureau of Reclamation released final technical reports supporting the Water Reliability in the West - 2021 SECURE Water Act Report, assessing climate change impacts on 17 western states. The reports provide detailed information on adaptation strategies to increase water supply reliability.
Researchers found that atmospheric dust particles from the Middle East supercharge the Indian summer monsoon by absorbing solar radiation, heating the atmosphere, and altering wind patterns. This 'elevated heat pump' drives moisture onto the Indian subcontinent, leading to increased precipitation.
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 from the University of Innsbruck found that increased solid precipitation in the Alps between 26,500 and 23,500 years ago caused the ice volume to reach its maximum. This period, known as the Last Glacial Maximum, lasted around 3100 years and was characterized by a significant increase in autumn and winter precipitation.
A new protein purification process, known as precipitation, could significantly reduce the cost of producing antibodies for chronic diseases and COVID-19 treatment. The method eliminates the need for costly chromatography processes, making it a promising solution to drive down production costs.
A new study finds that combining urban development and climate change caused by greenhouse gases will increase extreme precipitation over future US metropolitan regions. Cities like Atlanta, Denver, Phoenix, and Houston are vulnerable to flooding due to these twin forcing agents of environmental change.
The Antarctic peninsula is expected to experience significant warming over the next two decades, with temperatures rising by 0.5 to 1.5 degrees Celsius by 2044. Precipitation in the region is also projected to increase by 5% to 10%, posing a threat to the ice shelves and glaciers that cover it.
A global analysis reveals that breaking Rossby waves and intense moisture transport are two interconnected processes driving large-scale extreme precipitation events globally. These processes, especially in dry subtropical regions, can cause devastating catastrophic flooding and loss of life.
The study used direct visualization to clarify the formation mechanism of microgels during precipitation polymerization. The research revealed that the aggregation of polymer chains in the nucleation process is crucial for determining the nanostructures of microgels, leading to improved understanding of their formation.
Researchers found that radar overestimates precipitation rates when partially frozen droplets are larger than their solid and liquid counterparts. The phenomenon, known as reflectivity maxima above freezing (RMAF), is more common on windward slopes of mountain ranges.
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.
A study led by the University of Göttingen analyzed global forest structures and found that precipitation patterns drive diversity in these complex ecosystems. The research team created maps showing regional variability in structural complexity, highlighting the importance of water availability for tree species coexistence.
New research links the shape and size of precipitation areas on radar to rainfall intensity. Studies in the Tibetan Plateau show that square-shaped precipitation areas have the highest rain rate, while linear ones have the lowest. This discovery has potential for forecasting precipitation and verifying numerical models.
A recent study led by a doctoral candidate in Arctic Alaska reveals the interconnectedness of the Arctic and North Pacific on multimillennial timescales, with implications for future climate change. The research demonstrates that reduced sea ice results in isotopically heavier precipitation derived from proximal Arctic moisture sources.
Researchers at North Carolina State University found that extreme weather events, such as hurricanes and increased precipitation, affect the amount and composition of tiny phytoplankton in the Neuse River Estuary. The study reveals a shift in concentration and population of picophytoplankton after storms, which could have long-term eff...
A new global dataset of bioclimatic indicators at high spatial resolution is released to aid in understanding future species distribution and climate change impacts. The dataset, called CMCC-BioClimInd, provides valuable information for studies using species distribution modeling.
A study led by Penn State researchers found that climate change poses a significant threat to wild bee communities due to rising temperatures and precipitation patterns. The team's analysis of 14-year data sets revealed that temperature and precipitation were the most critical factors influencing wild bee abundance and species diversity.
A new study by Stanford researchers reveals that climate change has substantially contributed to the growing cost of flooding in the US. The analysis, published in Proceedings of the National Academy of Sciences, found that changes in precipitation accounted for 36% of actual flood damages from 1988 to 2017.
A recent study found that Asian water towers will struggle to quench the thirst of downstream communities despite more river runoff brought on by a warmer climate. Rising water demands from the growing population will outweigh warming in determining water scarcity in the Indus and Brahmaputra basins.
A regional study from Dartmouth College found increases in extreme streamflow events across the US and Canada, including more frequent floods and droughts. The research analyzed records dating back to 1910 and identified significant changes in precipitation levels on river systems.
Researchers at KAUST developed a high-frequency rainfall model using new rain gauges that measure rainfall drop by drop, providing unprecedented insight into minute-to-minute rainfall dynamics. The model captures the 'skewness' of high-frequency precipitation data and generates synthetic precipitation data for water management.
A study by Dr. Michael Deininger found that changes in regional precipitation over the past 10,000 years are connected and mainly caused by alterations to solar radiation and associated temperature differences between tropics and polar regions. This could lead to shifts in regional rainfall patterns, potentially causing droughts in som...
Researchers found that California's winter precipitation projections are likely to be drier than expected due to a persistent error in climate models known as the double-ITCZ bias. This bias can lead to reduced winter precipitation, less spring runoff, and increased wildfire risk in the state.