Articles tagged with Climate Modeling
Researchers found that modern weather models can accurately predict satellite movements affected by weather events like tropical cyclones with tall clouds. This understanding enhances satellite tracking and control, improving efficiency and reliability of satellite operations.
New satellite data shows that 45% of urban areas in China are sinking, with 16% experiencing rapid subsidence. The affected cities could experience catastrophic flooding if left unchecked, with Shanghai's urban area potentially tripling in size by 2120.
An interdisciplinary team led by Kaiyu Guan is using a combination of satellite remote sensing, in-situ measurements, and biochemical modeling to quantify nitrogen emissions from agriculture. The goal is to provide improved guidance for farmers on reducing nitrogen fertilizer use and alleviating air pollution.
According to GIST researchers, extreme cold events (WACC) have intensified until the 2020s but are expected to decline post-2030s. This drastic shift in WACC trajectory has significant implications for global climate systems and weather patterns.
A study published in Nature found that warming tundras release more carbon due to increased ecosystem respiration. The experiment revealed a 30% boost in respiration during the growing season, leading to significant changes in soil moisture and temperature.
A new study reveals that climate change could lead to a significant global GDP loss of up to 10% if the planet warms by +3ºC, highlighting the substantial costs of inaction.
Researchers analyzed the last ice age to better understand the relationship between CO2 and global temperature. The study finds that the absolute worst-case scenario is unlikely, reducing the estimated warming from doubling CO2 by a full degree.
A team of over 100 scientists from Brazil and the US ran high-resolution simulations of South America's past and future climate using a weather research and forecasting model. The goal is to better understand hydroclimatic processes and inform adaptation measures for millions affected by climate change.
A new scientific review published in Sustainable Production and Consumption explores how to accurately assess the carbon footprint of coffee farming. The study provides guidance on measuring green coffee's environmental impact, including identifying representative measurements and applying land use change modeling.
A recent study by the University of California - Riverside found that carbon dioxide is driving an increase in the severity and frequency of wildfires by fueling the growth of plants that become kindling. This process occurs because plants use the extra CO2 to make carbohydrates, leading to an increase in biomass that burns.
Fruit eating birds play a vital role in forest ecosystems by consuming, excreting, and spreading seeds to allow trees to grow and function. The study found that highly fragmented landscapes restrict bird movement, reducing carbon recovery potential by up to 38 percent.
Researchers found that salt marsh restoration can reduce flood risk, preserve habitats, and provide recreational opportunities. The study also emphasizes the importance of integrating nature-based solutions into comprehensive climate resilience strategies to mitigate future climate change impacts.
A study found that concurrent heatwaves and extreme short-term sea level rises at coastal locations significantly increased between 1998 and 2017. Global coastal areas may experience 38 days of CHWESL conditions each year by 2049, posing a significant threat to coastal communities.
A recent machine learning study has discovered a surprising link between wildfires in the western United States and hailstorms in the central US. The research, led by Jiwen Fan, used ML algorithms to analyze vast datasets spanning two decades, predicting hail storms with remarkable accuracy.
A new study reveals that meandering ocean currents and the ocean floor induce upwelling velocity, transporting warm water to shallower depths, contributing to rapid melting of Antarctic ice shelves. This process poses a significant threat to coastal communities worldwide due to rising global sea levels.
Researchers at the University of Birmingham found that marine cloud brightening can account for 60-90% of the cooling effect, increasing cloud cover by up to 50%. The study suggests MCB could be a more effective 'painkiller' than previously thought.
Researchers analyze degrowth scenarios to reduce emissions, highlighting the need for lower energy demand and technological advancements. The study suggests that fast emissions reductions are possible even with reduced or zero economic growth, but also raises concerns about sociocultural feasibility.
Scientists have developed a new method to estimate soil organic carbon in the US, providing a more accurate benchmark for policymakers. The study reveals how environmental variables affect soil organic carbon and offers insights into mitigating climate change through sustainable land management practices.
Researchers developed a model predicting how changes in anvil cloud area affect global warming, confirming its effectiveness and reducing uncertainty. However, the brightness of clouds remains understudied and is a key obstacle to predicting future global warming.
A recent study suggests that Canada lynx had a broader past range in the US, potentially including parts of Utah, central Idaho, and Yellowstone National Park. The researchers used a validated model to estimate the species' historic distribution, taking into account factors such as climate change and land use.
Researchers from Kyushu University found that ocean-atmosphere coupling enhances teleconnection patterns, leading to more meandering jet streams and extreme weather events. The study highlights the significance of extratropical ocean-atmosphere interactions in climate variability.
A new MIT-derived algorithm corrects coarse climate model predictions by 'nudging' them toward more realistic patterns, leading to more accurate forecasts of extreme weather events. The approach uses machine learning and dynamical systems theory to improve the resolution of large-scale climate models.
Researchers developed a new type of ocean model that can simulate the transport, storage, and turnover of carbon in the global coastal ocean. The model shows that intense plankton growth is key to enhanced CO2 uptake in coastal oceans, which could strengthen with ongoing CO2 emissions.
Research suggests that warmer fall seasons may lead to colony collapse in honey bees due to increased flying time. However, cold storage for colonies could help reduce the risk of colony collapse by allowing bees to cluster earlier and save workers.
New mathematical modelling reveals that the Atlantic meridional overturning circulation has a high degree of complexity, with switches between states potentially leading to major climate changes. The study warns against relying on early warning indicators, as minor transitions might escalate into more significant tipping points.
A new study finds that extreme tropical cyclone rainfall is increasing across the continental US, while climate warming restricts 'outdoor days' for people living in developing countries. Additionally, air pollution increases mortality risks from heat, especially when combined with other factors like wildfires and reduced aerosols.
A new measure called “outdoor days” describes the number of days per year that outdoor temperatures are neither too hot nor too cold for people to go about normal outdoor activities. This measure reveals significant global disparities, with the North gaining more outdoor days and the South losing them due to rising temperatures.
Researchers at Lehigh University found that low- to mid-level flooding events are the most vulnerable to cyber attacks, which can overwhelm the system and cause a flood downstream. The study developed a mathematical framework to identify vulnerabilities in stormwater systems, allowing municipalities to assess their risks.
Scientists have developed a new model to accurately understand methane emissions in the region, finding that wetlands are producing more methane over time. This is due to the warming of these biomes, causing the stored carbon to be released into the atmosphere as methane, contributing to global warming.
Tufts scientists highlight the overlooked feedback loop between drought, soil desiccation cracking, and carbon dioxide emissions, which could accelerate climate change. The study suggests that soil's 80% carbon storage capacity is releasing increasing amounts of greenhouse gases as droughts trigger cracks in soils.
Scientists find that increased Asian aerosol emissions slow the AMOC's movements, reducing solar heating and cooling the Earth's climate. Reducing these emissions can help stabilize the AMOC, according to a study published in Nature Communications.
Researchers found that land-atmosphere coupling has a significant impact on Asian monsoons, but its effect varies greatly from year to year. The study suggests that better modeling of land conditions may be crucial for improving seasonal forecasts in the region.
International research led by CSU suggests studying root function in tropical forests can improve climate change predictions. Tropical forests contain 30% of global soil carbon, with roots acting as 'carbon banks' that can help mitigate climate change.
Scientists develop a new method to calculate the total carbon emissions consistent with the Paris climate targets of 1.5°C and 2°C of global warming. The study estimates emissions budgets that are at least 10% larger than previous models, indicating a need for urgent action to reduce emissions.
Research reveals that low-relief mountain ranges with moderate erosion rates have the highest CO2 capture through silicate weathering. In contrast, high-eroded regions release more CO2 due to faster carbonate and sulfide weathering. These findings suggest a complex relationship between erosion rates and the carbon cycle.
A new study from North Carolina State University and Duke University found that wind plays a critical role in ocean currents in the equatorial Pacific. The research suggests that better simulating these processes is essential for creating more accurate models of global warming, which can help policymakers make informed decisions.
Scientists create detailed models of the terrestrial water cycle using high-resolution satellite data to predict floods, droughts, and other extreme events. The Digital Twin Earth Hydrology Platform allows for interactive simulations and visualizations to enhance flood and landslide prediction and optimize water resource management.
Climate models suggest Arctic sea ice will slow down during summer seasons, potentially reducing hazardous conditions for marine transportation, but still posing concerns for ecosystems and global climate change. A York University study found that while the slowdown is plausible, questions remain about its timing.
A new study reveals that human activity has altered the global freshwater cycle, resulting in a significant increase in dry and wet deviations. The research found that the frequency and spread of these exceptions have nearly doubled compared to pre-industrial conditions.
A study published in the Journal of Geophysical Research: Oceans has provided new insights into ocean circulation patterns around glaciers, which can enhance the accuracy of climate models. The research used GPS-tracked icebergs to track hourly changes in their position as they passed through Greenland's Ilulissat Icefjord.
The 2023-24 El Niño phenomenon is likely to cause record-breaking average surface air temperatures in some areas, including the Bay of Bengal and the Philippines. Global mean surface temperatures are predicted to break historical records with a 90% chance under a moderate or strong El Niño scenario.
A study published in PLOS ONE predicts that climate change will inundate over 4,200 archaeological sites along the US state's coast, with nearly 5,000 at risk by 2100. The authors used a predictive model to account for storm surge events, highlighting the need for cultural heritage managers to take action.
Researchers warn that AI tools used in radiology contribute to greenhouse gas emissions through energy consumption and data storage. To minimize these impacts, experts recommend sharing resources, selecting sustainable hardware, and using data compression techniques.
A new study suggests China will need to build eight to ten times more wind and solar power installations than in 2022 to achieve carbon neutrality by 2060. The report also highlights the importance of coordinating land use policies nationwide, with a focus on areas within 100 miles of major population centers.
A new study using a high-resolution global climate model found that cloud clustering causes more extreme rain in the tropics, leading to increased severity of precipitation events. The researchers also discovered that more extreme rain occurs at the cost of expansion of dry areas, further shifting towards extreme weather patterns.
A new study finds that aerosol emissions like sulfur dioxide have offset the increase in rainfall caused by greenhouse gases. As air pollution diminishes, average and extreme rains may increase.
A recent study found persistent increases in precipitation throughout the 21st century, with significant variability among climate models. The study identified the vertical thermodynamic component as a major driver of this variability, with a weak effect from the vertical dynamical term.
Scientists have found evidence of Dansgaard-Oeschger events during the penultimate glacial period, revealing a different frequency and interval between temperature peaks. The findings suggest that not all glacial periods are the same and provide insights into ocean circulation patterns and climate change mechanisms.
Researchers found that the West Antarctic Ice Sheet thinned by 450 meters in just under 200 years at the end of the Last Ice Age. The study sheds light on how quickly Antarctic ice could melt if temperatures continue to soar.
A new study sheds light on the complex relationship between forests and the climate system, highlighting the impact of forest emissions on cloud formation and global temperatures. Researchers emphasize the need for improved climate models to accurately represent these interactions.
The study introduces attention-based hybrid models that combine the strengths of physics-based models and deep learning capabilities to improve soil moisture predictions. The research shows that ensemble hybrid model outperforms current models for long-term predictions, while attention hybrid model excels in drought predictions.
Researchers have identified a CO-rich atmosphere on exoplanets that could support life. The study reveals a 'gap' in atmospheric conditions where CO levels are higher than expected, indicating potential habitability.
A deep learning model predicts Antarctic sea ice will remain near historical lows in 2024, with a slight increase in extent compared to the record low in 2023. The model accurately reproduced three historical summer lows and showed promise for seasonal prediction of Antarctic sea ice.
Researchers developed a new model incorporating genetic information from microbes to better understand soil carbon sequestration and plant-microbe interactions. This approach enables more accurate prediction of global carbon cycle changes in climate models, informing agricultural strategies to preserve carbon and mitigate climate change.
Researchers at Stanford have found that the Wilkes Subglacial Basin in East Antarctica could be closer to runaway melting than previously thought. The study suggests that this region, which holds enough ice to raise global sea levels by over 10 feet, may be vulnerable to irreversible melting if warming seawater gets under the ice sheet.
A new study warns that climate change could reduce global wheat production by 13% by 2050 due to the spread of the fungal disease wheat blast. The affected regions will include South America, southern Africa and Asia, where up to 75% of total wheat acreage could be at risk.
A recent study published in npj Climate and Atmospheric Science reveals that changes in subtropical and midlatitude eddy activity control the variation of the Hadley cell edge latitude. The researchers analyzed 41 years of data and found associations with El Niño, La Niña, and the Arctic oscillation.
A new study from the University of Copenhagen reveals that Greenland consumes more methane than it releases, with dry landscapes absorbing over 65,000 tons annually. The study's findings contribute significantly to climate models and provide insights into the optimal soil conditions for methane uptake in the Arctic.
A new study by UMass Amherst and the Wildlife Conservation Society finds that climate change disproportionately affects older African elephants, who will have decreased chances of survival. This can lead to a ripple effect on their ecosystems and cultures, highlighting the need for coordinated management strategies at all levels.
Researchers found that injecting aerosols into the stratosphere can reduce ice sheet loss by up to 37.6 mm sea-level rise, slowing global warming's effects. However, geoengineering addresses only symptoms, not root causes, and may delay necessary changes.