Articles tagged with Climate Modeling
A new study led by Qian Cheng found that unusual atmospheric circulation accounted for 83% of a record-breaking cold event in eastern China. The warming effect of climate change reduced the event's severity by up to 22%.
A new study from USC Dornsife finds that LA's urban greenery absorbs up to 60% of daytime fossil fuel CO2 emissions in spring and summer, providing valuable insights into the impact of trees on air quality. The research provides data-driven insights for future planting efforts and informs the USC Urban Trees Initiative.
Researchers will use airborne GPR and ground-based TEM to collect rich geophysical data, estimating carbon storage and gas emissions in peatlands across a latitudinal gradient. The project aims to reduce uncertainty in these predictions and provide valuable information on how to better protect carbon stocks.
Research advances higher-order networks to capture multi-agent interactions, enabling accurate modeling of biological, social, and physical systems. The Dirac-Bianconi operator provides a powerful generalization of the graph Laplacian, encoding local and global interactions across different topological dimensions.
Recent studies suggest that rising temperatures could disrupt the balance of Earth's climate by increasing plant water loss. In extreme heat, plants may lose too much water to conserve it, limiting photosynthesis and reducing their role as a carbon sink.
Researchers discovered rate-induced tipping in Daisyworld, a model that regulates temperature through light and dark daisies. This finding mirrors observations in other models and real-life ecosystems, highlighting the danger of rapid environmental changes.
A £4.25m project will investigate 'tipping points' in marine ecosystems, which could have devastating consequences for the UK's fishing industry and global biodiversity. The TiMBER project, led by the University of East Anglia, aims to develop tools to assess risks and predict changes in marine biogeochemistry.
The motion of particles in high-energy nuclear collisions follows a Lévy-stable distribution, confirming the interdisciplinary nature of the phenomenon. This finding has implications for fields such as biology, earth sciences, and economics.
A recent study reveals a significant long-term decline in downward surface solar radiation globally, with significant decadal variations observed over land. The research highlights the role of water vapor in DSSR changes, which was previously overlooked, and shows that future DSSR changes will depend heavily on emission scenarios.
Archaeologists reconstructed human land use and land cover over the past 12,000 years in South Asia, revealing hunter-gatherer practices as dominant across periods. The study provides critical information for modeling climate impacts of human populations.
A team of scientists found that Earth's current ice-covered state is not typical for the planet's history and was only achieved through a lucky coincidence. The researchers concluded that no single process could drive these cold climates, and that multiple processes working together were necessary.
Research quantifies hydrogen economy's role in making society more sustainable, concluding that electrification is the most cost-efficient route for most economic sectors. Hydrogen use is projected to be around 10% of final energy consumption, with a critical role in heavy industry and transportation.
A new study reveals that dust storms picking up black carbon from heavily-polluted areas and depositing it in the mountains darkens the ice and snow, causing it to melt faster. This regional environmental problem is a second, more local cause of glacier loss in the Himalayas.
A new study reveals that climate change is driving intensifying wildfires by altering vegetation and humidity levels, but not significantly impacting lightning strikes. The simulations predict a 14% increase in global area burned by fires annually with every degree of global warming.
A global real-time monitoring system is being developed to track bleaching severity, crown-of-thorns starfish populations, disease outbreaks, and reef fish abundance. The integrated system aims to provide predictive models for conservation efforts, enabling earlier intervention.
A new study published in Nature Communications Earth and Environment finds that Arctic cyclones may contribute to the underpredicted decline of sea ice extent. The research suggests two theories: turbulent seas breaking up larger ice floes and upwelling increasing temperatures that help melt younger, thinner ice.
Researchers at University of Florida identify native species similarity as key driver for invasion spread in eastern US, offering insights for conservationists and land managers. The study updates environmental resistance modeling to consider species similarity, soil type, and human activity.
Researchers generated a dataset of water flow beneath the entire Antarctic Ice Sheet, improving projections of sea level rise. The model predicts higher degrees of glacier melt and mass loss by the end of the century.
A new study simulates a medium-sized asteroid collision with Earth, revealing dramatic disruptions in climate, atmospheric chemistry, and global photosynthesis. However, ocean plankton growth surprisingly recovers quickly and even increases after the impact, potentially alleviating emerging food insecurity.
A new study by Purdue University reveals that improved crop varieties led to global benefits for the environment and food system sustainability. The analysis found that reduced agricultural land use saved 1,043 animal and plant species, with most avoided losses located in biodiversity hot spots.
A new study by scientists at the University of Rochester suggests that atmospheric wind has a surprising impact on ocean eddies, which are circular currents of water about 100 kilometers wide. The research reveals that wind can both energize and dampen eddies, depending on their spin direction.
A new research group aims to enhance climate models by accounting for 3D cloud radiation transport, combining satellite data with high-resolution ground-based observations. The project involves a large field campaign in 2026 to record optical and microphysical cloud properties.
A study by University of Toronto researchers links polar bear population decline to extended energy deficits caused by a lack of food on dwindling sea ice. The model, tracking the bears' energy balance, shows reduced reproduction and cub survival rates due to shorter hunting seasons.
A recent study analyzed the devastating flood disaster in the Himalayas in October 2023, which destroyed large areas along and surrounding the Teesta River. The researchers reconstructed the exact time of its onset using high-resolution satellite images and digital elevation models.
A recent University of Washington study found that a slower increase in atmospheric carbon dioxide levels has less impact on the Atlantic Ocean's circulation. The research, published in PNAS, suggests that this slowdown allows the ocean system more time to adapt to rising CO2 levels and mitigates its effects.
Researchers at Harvard University used photochemical modeling to simulate how ancient Mars' climate was affected by atmospheric chemistry and crustal hydration. They found that episodic warm spells were driven by crustal hydration, leading to the buildup of hydrogen in the atmosphere.
Researchers found no increase in large iceberg sizes over the last half century, contradicting climate change expectations. Instead, frequent small calving events have dominated ice shelf loss, suggesting 'death by a thousand cuts',
A new study projects global sea-level rise between 0.5 and 1.9 meters by 2100 under a high-emissions scenario, with the very likely range being 90% probability for the event to occur. The fusion approach combines strengths of existing models with expert opinions, offering a clearer picture of future sea-level rise.
Scientists at the University of Lausanne used AI to simulate the last Alpine glaciation, finding ice covers 35-50% thinner than previous models. The new approach enables unprecedented accuracy and resolution, making it possible to describe complex topography numerically.
A new study challenges conventional models and reveals biochar's exceptional capacity for long-term carbon storage. Biochar is shown to be far more effective at long-term carbon storage than previously thought.
A new study by the University of Granada's DaSCI institute uses deep generative vision models to create highly realistic satellite images of future climate-related events. The model outperforms pure deep learning and manual solutions, reducing prediction errors and improving image reliability.
Researchers developed an explainable deep learning model to predict and analyze HABs in Chinese lakes and reservoirs, achieving significant improvement over conventional machine learning methods. The model identified water temperature as the most influential factor driving algal bloom dynamics.
Researchers developed a new data assimilation algorithm using the LETKF technique to enhance global precipitation estimates. The model improved accuracy and computational efficiency, making it suitable for large-scale applications, particularly in mountainous regions.
A recent study by Woods Hole Oceanographic Institution scientists found that the AMOC has not declined in the last 60 years, contrary to previous predictions. The research used climate models and reanalysis data to reconstruct the AMOC's past behavior, indicating a more stable system than expected.
The study introduces a novel framework that accurately predicts global warming caused by greenhouse gas emissions without relying on complex climate models. It confirms human-caused greenhouse gas emissions drive observed global warming, independently of conventional approaches.
A team led by the University of Tokyo has created a nearly 20-year-long dataset of the entire atmosphere, enabling new research on previously difficult-to-study regions. The dataset spans multiple levels of the atmosphere from ground level to the lower edge of space and could improve climate modeling and seasonal weather forecasting.
The project creates a comprehensive U.S.-Japan flood risk data inventory and develops a two-way coupled, multi-scale, agent-based model that considers marginalized groups. Researchers will use the developed model to evaluate the impact of insurance policies on these groups.
Researchers at Iowa State University have rewritten the equation for deformation and flow of watery glacier ice, which could lead to more accurate models predicting sea-level rise. The new value of the stress exponent 'n' is 1.0, indicating a linear relationship between stress and deformation speed.
A new study introduces an AI-driven method for estimating above-ground carbon at individual tree level using high-resolution satellite imagery and machine learning algorithms. This approach offers a more precise tool for measuring carbon sequestration, critical for climate adaptation and land management strategies.
A team of researchers integrated historical records from missionaries and early explorers in Tanzania to enhance the accuracy of climate change models. The study provides a longer record of climate change in the region, which can help verify climate models over the data-sparse Global South.
Computer models predict that climate change will lead to an increase in spongy moth outbreaks, causing widespread damage to forests. The fungus that normally curbs the moths' spread is expected to decline, allowing the moths to destroy more trees as temperatures rise.
A research team led by Dr Sophie Warken analyzed dripstones from the Cloşani Cave in Romania to understand precipitation variability over a period of approximately 20,000 years. The findings show that dynamic processes like the North Atlantic jet stream influence regional changes in precipitation.
Scientists have used data from CryoSat-2 and ICESat-2 to track changes in the Greenland Ice Sheet's thickness, revealing an average thinning of 1.2 meters between 2010 and 2023. The study confirms that combining satellite measurements can produce a more reliable estimate of ice loss.
A team from the University of Cambridge has developed a model to predict desert locust swarms, enabling national agencies to respond quickly. The model uses weather forecast data and computational models to forecast locust swarm movements both short and long-term.
A study found that climate- and land use change will alter the availability of wild traditional foods in the Russian Far East, affecting Indigenous Peoples' health and livelihoods. Rural households heavily rely on these foods for income, with losses predicted in central and southern areas.
Researchers trained an AI system to predict future warming based on climate model simulations and historical temperature data. The study suggests that even in the best-case scenario, global warming will likely exceed 2 degrees Celsius, with severe impacts expected in regions such as South Asia and Central Europe.
A hybrid method links bottom-up behaviors and top-down causation in a single theory to capture interactions between small-scale behaviors and system-level properties in disturbed systems. The approach has been tested in examples such as post-fire forest ecosystems and pandemics, predicting ecological patterns and system dynamics.
A new study shows that coordinating the siting of solar farms, wind farms, and storage systems can improve efficiency and reduce costs by aligning renewable power generation with demand. The approach uses fine-grained weather data and energy system modeling to maximize utilization of renewable resources.
Researchers call for a shift away from outdated bathtub modeling, which oversimplifies flood risks, and towards dynamical modeling that accounts for key factors like storm drains and levees. The study found that bathtub models are consistently inaccurate, with scores below 0.5 on the critical success index.
Researchers at the University of Washington used a global climate model to simulate how ocean and air temperatures affect sea ice in the Southern Ocean. They found that warm Southern Ocean conditions and patterns in winds can explain 70% of the record-low winter sea ice extent in 2023, with similar predictions made for 2024.
Researchers link global warming spike in 2023 to reduced low-level cloud cover, which limits Earth's ability to reflect solar radiation. This decline in planetary albedo could explain the 'missing' 0.2 degrees Celsius of warming.
A study by USC Dornsife scientists used satellite imagery, digital models, and field data to analyze the June 2021 Melamchi flood's triggers. The research found that heavy monsoon rainfall combined with excessive snowmelt overwhelmed river systems, causing catastrophic flooding.
A new study assesses the sustainability of varying Pacific walrus harvest rates under different climate and human disturbance scenarios. The research finds that current harvest levels are within a sustainable range if assessed regularly and adjusted accordingly.
Ocean scientists will deploy sensors onboard high-tech floats to study tiny turbulent movements that pull water, heat, and chemicals from the surface down into the deep. This ventilation helps regulate the Earth's climate and buffer against human-induced climate change.
A recent study published in Nature found that isoprene, a naturally occurring organic compound emitted by vegetation, significantly contributes to the formation of new particles in the upper troposphere. Isoprene oxygenated organic molecules can rapidly form new particles under certain conditions.
Researchers at University of Liverpool develop new method to measure ocean memory, revealing the North Atlantic Ocean has a nearly two-decade memory. This surpasses previous estimates and highlights the importance of ocean circulation in climate system predictability.
A new AI model, Spherical DYffusion, can predict climate patterns over 100 years in just 25 hours, making it 25 times faster than the state of the art. The model uses generative AI and physics data to achieve this breakthrough, reducing the need for supercomputers.
A new study found that climate warming can increase the severity of bacterial infections in cold-blooded animals like corals, insects, and fish. The researchers analyzed data from 60 experimental studies and found that infected animals were more likely to die when exposed to higher temperatures.
Researchers criticize the Digital Twin of Earth concept, highlighting the discrepancy between scientific models and reality. New computer models require new methods for appropriate data analysis and interpretation to ensure accurate knowledge and results.
A recent study suggests coral heat tolerance adaptation may not keep pace with ocean warming, and some sensitive species may face extinction. The research modelled different climate scenarios, revealing that natural selection may be insufficient to ensure coral survival under expected warming levels.