Articles tagged with Climate Systems
A new study published in the Journal of Glaciology suggests that prior attempts to evaluate the mass of Antarctic ice shelves may have overestimated their thickness. The researchers found that on average, the Antarctic ice shelves are nearly 6% thinner than previously assumed, a difference of about 17 meters.
Researchers at EPFL have developed the Backtracking Dynamical Cavity Method (BDCM) to study disordered systems, which are found in materials science, climate, and social networks. By tracing steps backward from stable points, the BDCM provides valuable insights into complex system dynamics.
A statistically significant increase in heat-related illnesses was found among patients at US Department of Veteran Affairs facilities between 2002 and 2019. Specific groups, such as those with existing health conditions and certain ethnic groups, were more vulnerable to heat-related illness.
Researchers develop a new model predicting up to twice the original amount of subglacial water may be draining into the ocean, accelerating glacial melt and sea level rise. The theory uses satellite measurements and is a simple equation that can predict exfiltration in a fraction of a second on a laptop.
A Stanford study reveals how the meat and dairy industry lobbies governments to resist competition from alternative animal products, such as plant-based and lab-grown meat alternatives. The research found that governments consistently devote more funding to traditional livestock systems than sustainable alternatives.
The University of Cambridge team warns that Africa's lack of hydromet infrastructure will lead to a surge in climate-related disasters and deaths. The continent has just 6% of the number of radar stations as Europe and North America, making it vulnerable to floods, droughts, and heatwaves.
A new study reveals a 4,000-year-old system of ceramic water pipes in China demonstrates that neolithic people were capable of complex engineering feats without a centralised state authority. The discovery challenges earlier understanding in archaeological fields.
A Monash University-led study proposes standardizing medical terminology to capture climate-driven disaster events impacting human health. The research highlights the need for comprehensive clinical terminologies, particularly those linked to environmental factors, to improve disaster preparedness and response efforts.
Research reveals US municipal bonds are priced higher for communities with larger Black populations, despite lack of correlation with climate risk. This association adds up to an estimated $900 million cost penalty per year across all Black Americans.
A new study found that the Pacific Ocean's western boundary current significantly strengthened due to global warming, contributing to intensified equatorial undercurrents and increased sea surface temperatures in the eastern Pacific. This change has been linked to enhanced El Niño events.
A recent study by GEOMAR researchers found that fluctuations in the Labrador Sea can significantly influence the strength of sinking processes east of Greenland. This phenomenon affects the Atlantic Meridional Overturning Circulation (AMOC), a crucial climate system that brings warm water from the Gulf of Mexico to Europe.
Researchers from the University of Copenhagen predict the Atlantic Meridional Overturning Circulation (AMOC) will collapse between 2025 and 2095, with major consequences for Earth's climate. The study contradicts the latest IPCC report and highlights the importance of reducing global greenhouse gas emissions.
Researchers at Politecnico di Milano used fibre optic sensors to monitor water pipelines and detected pressure anomalies caused by water leaks. The study's results confirm the possibility of identifying and localizing small water leaks, offering a potential solution to global water wastage.
A recent study found that warming in Northern ecosystems leads to a massive loss of carbon in the soil, with up to 40% released into the atmosphere within years after warming. The research team also discovered that plant productivity becomes nitrogen limited under warming conditions, reducing the ecosystem's ability to store carbon.
Scientists have developed a new radar technique that can image hidden features within the upper few feet of ice sheets, including melting glaciers on Earth and potentially habitable environments on Jupiter's moon Europa. The technique boosts resolution by combining two different radar bandwidths and looking for discrepancies.
Researchers from Lund University developed a climate-control system inspired by termite mounds, achieving greater energy efficiency without carbon dioxide footprint. The structure facilitates indoor climate control through turbulent, dynamic, and variable airflow systems.
Researchers have identified an operational strategy that can reduce shipping emissions by up to a quarter by combining modern sail technology with efficient routing systems. The study found that this approach can provide greater assurances of carbon savings by mitigating the impact of unpredictable weather patterns.
Researchers analyzed satellite data from 1967 to 2021, finding nearly twice as many grids with declining snow cover as advancing ones. Snow presence is decreasing in Arctic and southern latitudes, while some areas like Eastern Canada see an increase.
New research from Duke University reveals that warmer temperatures increase the number of germ cells, which play a crucial role in determining the sex of turtles. This finding may explain why temperature-dependent sex determination persists in many animals, despite seeming like a risky strategy.
The article discusses the growing challenge of food security in Africa, particularly with regards to rice production and consumption. The research reveals that socioeconomic developments have a more substantial influence on rice availability than gradual climate change, but climatic anomalies pose a significant threat to stability. Div...
A novel framework guides informed and effective soil management as carbon sinks, considering context-dependent environmental conditions. Management targeting 'labile' carbon is more effective in increasing carbon sequestration than focusing on 'stabilized' carbon.
A new study found that the global food system is responsible for a third of man-made greenhouse gas emissions, with beef and dairy consumption being the largest contributors. The study suggests that adopting a more plant-based diet could help reduce emissions and mitigate climate change.
Researchers investigated the tradeoff between reducing CO2 emissions and increasing renewable energy supply in office buildings. They found that access to the power grid can mitigate the impact of weather variability, but extreme weather events increase battery storage costs.
A national study in Canada found that snowmaking requires 17,000 homes' worth of annual energy and 43.4 million cubic meters of water to produce 42 million cubic meters of machine-made snow. Collaboration between ski operators, policymakers, and environmental organizations is needed to develop sustainable practices.
Long-duration energy storage (LDES) is crucial for US states with decarbonization goals to address variable energy generation and customer demands. LDES systems can store renewable energy until needed, providing a reliable solution for a decarbonized grid.
A new study suggests that limiting global warming to 1.5°C could save five times more people from dangerous heat than if warming reaches 2.7°C by 2100. Currently, over 60 million people already live outside the 'climate niche' where humans have thrived.
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 study by Penn State researchers found that some climate mitigation strategies could result in harmful health impacts in specific areas, particularly if significant land use changes are required for bioenergy production. This could lead to worsened respiratory and cardiovascular diseases, resulting in premature deaths.
A new study reveals that high-income countries made more progress than low-income ones in ocean conservation after the adoption of Sustainable Development Goals in 2015. Despite positive results on land, particularly in biodiversity hotspots, the ocean's sustainability progress slowed, causing further global inequality.
A study by the University of Helsinki identifies nature-based solutions that work best as carbon sinks and for biodiversity conservation in urban areas. Community engagement is vital to ensure acceptable plans, according to the researchers.
A new study from Oregon State University found that massive iceberg discharges during the last ice age triggered rapid warming in Antarctica but had no effect on temperatures in Greenland. This discovery challenges current understanding of global climate dynamics and raises more questions than answers.
A recent study suggests that India's recurrent heatwaves have a significant socioeconomic impact on the country, weakening its progress toward achieving sustainable development goals. The study found that nearly 90% of the country is in danger zone from heatwave impact and around 20% is highly vulnerable to climate change.
The Cornell University College of Agriculture and Life Sciences has been awarded a $9.9 million grant by the Bezos Earth Fund to develop low-cost virtual fencing technology that can benefit farmers, animals, and the environment. The project aims to improve existing virtual fencing technology and combine it with animal-monitoring system...
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.
Researchers are developing an alley cropping system to mitigate crop stress and promote soil fertility in organic vegetable production. The system involves planting trees between rows of vegetables, reducing heat extremes and improving biodiversity.
Researchers used a coupled model to simulate ocean circulation and temperature during the MMCO, finding that global average temperature was over 3℃ higher than present. Extensive forest coverage played a significant role in climate regulation, with land temperatures particularly high in the Sahara and high northern latitudes.
A new study predicts that Antarctic deep ocean currents will slow by over 40% in the next 30 years and may collapse, with significant impacts on climate and marine ecosystems. The decline of this circulation could stagnate the bottom of the oceans and trap nutrients, affecting marine life for centuries to come.
A recent study confirmed that a record-high temperature recorded in October 2021 would have been extremely unlikely to occur without the influence of global warming. The team quantified how often such heatwaves may occur during future fall seasons under different greenhouse gas emission scenarios.
A record-breaking heatwave in the Pacific Northwest in June 2021 was attributed to a strong high-pressure ridge, which intensified when an atmospheric river moved into Alaska, releasing massive amounts of moisture. The air was exceptionally hot when brought down to the surface due to its temperature aloft.
Researchers used drones to map large areas of Antarctica, capturing unprecedented high-resolution imagery of vegetation and biodiversity in protected areas. The vision identified areas with moss and lichen not previously picked up by satellite, providing valuable insights into the fragile ecosystem.
Estuaries along the Atlantic coast and eastern Gulf of Mexico are expected to experience significant increases in nutrient loading, posing risks for harmful algal blooms and ecosystem health. The study identified regions with high adaptive capacity as having more resources to mitigate these effects.
Climate change is disrupting Pakistan's natural system, making it challenging to predict future changes. A recent study found that streamflow timing in the country's four major rivers will decrease significantly, with a range of -5 to -20 days in the near future.
River temperature is a critical measure of water quality, regulating physical, chemical, and biological processes in flowing waters. Rising temperatures are linked to climate change and human activities, impacting ecosystems, human health, and industries.
Tiantian Yang aims to develop an integrated solution addressing precipitation variability and uncertainty with a novel AI and data mining tool. His research will be tested in collaboration with U.S. agencies, aiming to better inform water management decisions.
Researchers found a signal of extreme climate change from 50 million years ago in turbidite deposits, which are evidence of ancient rapid submarine water currents. This suggests that extreme weather events and exacerbated global climatic conditions can amplify delivery of sand into the deep ocean.
A study suggests that the collapse of West Antarctica's ice sheet could stabilise the Atlantic Meridional Overturning Circulation (AMOC), which distributes heat to Western Europe. This finding could help prevent a catastrophic cascading effect on climate tipping points.
Researchers are using AI to assess soil datasets and measurements, aiming to build an automated data-driven decision support system for European soils. The goal is to create an effective soil health certification system that can be used by farmers, landowners, and policy makers.
Jay W. McDaniel, assistant professor at the University of Oklahoma, receives a CAREER Award to develop a custom UAV-based radar suite for measuring snow depth and distribution. The project aims to improve understanding of snow characteristics and their impact on thermal balance between terrain and atmosphere.
Researchers analyzed over 4,500 documents to understand fungal dispersal across spatial scales. They identified four scales of movement, from microscopic to landscape, and found that climate change affects where fungi reside. More data is needed to understand the biodiversity of fungi and their movement in ecosystems.
The study reveals that the Dust Bowl's extreme heating influenced temperatures across North America and beyond, suppressing cloud formation in some regions. The research suggests that the hot, exposed land in the central US triggered a wave-5 teleconnection pattern, which spread record-breaking heat to Europe and East Asia.
A new study by researchers from the University of Oldenburg found that particles from central South America were the primary source of iron in the South Pacific during the last two glacial periods. The team's theory suggests that jet stream circulation picked up fine mineral particles on the east side of the Andes and transported them ...
A new study models likely future cliff retreat rates of two rock coasts in the UK, finding that rock coasts are likely to retreat at a rate not seen for 3,000-5,000 years. The researchers predict that rock coast cliffs will retreat by at least 10-22 meters inland due to accelerating sea level rise.
Scientists have found early warning signals for climate tipping in the Amazon Rainforest, West-Central Greenland ice sheet, and Atlantic Meridional Overturning Circulation. The study provides a clear mathematical understanding of increased variability, sensitivity, critical slowing down, and being close to a tipping point.
A new analysis by researchers at Duke University proposes a four-step science-based framework to overcome barriers and enhance the success of early warning systems. The framework involves understanding potential barriers, engaging key stakeholders, identifying promising strategies to overcome barriers, and measuring outcomes.
A research team at UNIST has identified subtropical low cloud feedback as a key mechanism driving teleconnections between the Southern Ocean and tropical precipitation. Their findings suggest that this impact is stronger than previously thought, with implications for mid-latitude climate predictions.
Global carbon emissions have reached a record high, with no indication of a decline to limit global warming to 1.5°C. The Global Carbon Project projects total global CO2 emissions of 40.6 billion tonnes in 2022, fueled by fossil CO2 emissions that are projected to rise 1.0% compared to 2021.
A new study proposes a scalable, bottom-up approach to developing energy-saving initiatives at the individual level by analyzing real-time energy usage data. The research team developed an energy calculator that can be scaled up to the building- and community-level, enabling more accurate occupant-level measurements.
A new study combining GPS, satellite data, and numerical modelling indicates that existing models have underestimated ice loss from northeast Greenland, which could contribute up to 15.5mm to global sea levels by 2100. The Northeast Greenland Ice Stream's contribution will be six times greater than previously thought.
A new study warns that climate change will negatively impact mountain landscapes and human activity, increasing risks of natural hazards like avalanches and river floods. Mountain communities are also affected, with traditional practices like transhumance and agriculture dying out due to changing weather patterns and water scarcity.
The ASU-led SW-IFL aims to understand complex relationships between extreme heat, atmospheric pollutants, and limited water supply on vulnerable urban subpopulations. The integrated field laboratory will combine high-resolution data, advanced computer modeling, and community engagement to create regionally specific predictive tools.