Articles tagged with Climate Systems
A study by Yuxin Zhou of UC Santa Barbara's Department of Earth Science found that Greenland's ice sheet retreat is not sufficient to completely derail the Atlantic circulation. The AMOC will be determined by a tug-of-war between decreasing ice flux and increasing freshwater runoff, which can disrupt the ocean current.
Mim Rahimi, an assistant professor at the University of Houston, has received a National Science Foundation CAREER award to advance electrochemical carbon capture by employing engineered soft interfaces. His research aims to enhance carbon dioxide separation performance and system energetics.
A study led by the University of Bonn analyzed over 9,000 maize varieties to identify their root structures and adaptability to dry conditions. The researchers found that seminal roots, which absorb nutrients rapidly, vary in number depending on the variety's ability to cope with drought.
A new BU study links sewage overflows to increased risk of acute gastrointestinal illnesses in downstream communities. Residents are at a 62% higher risk of developing AGI within four days after large-volume combined sewer overflows, regardless of drinking water source.
A study by the University of Göttingen investigated regional differences in bird diversity within cocoa agroforestry systems in Peru. The research team found that biodiversity decreases with increasing distance from natural forests, with greater richness of species found in humid subtropical forests than in dry tropical forests.
New research predicts that seven of eight modeled species will move further north in the Arctic Ocean due to climate change. This shift could have cascading effects on Arctic Ocean fish populations and overall ecosystem dynamics.
Daily tracking of ice melt has been made possible with a new method developed by researchers at DTU using 61 national GPS stations in Greenland. The study provides significant advancement in monitoring ice mass loss and understanding the processes behind the ice melting.
The University of Washington's STRIVE project aims to understand the troposphere and stratosphere, where the ozone layer resides, and their interface. This will help monitor changes in the ozone layer, air quality, and climate processes.
Research by the University of East Anglia reveals that net zero plans show limited ambition in dealing with residual emissions, which are expected to come from hard-to-abate sectors such as aviation and agriculture. The study analyzed national climate strategies for 71 countries, finding that only 26 quantify residual emissions, with m...
Recent deadly wildfires in Greece and Hawaii highlighted the need for improved wildfire risk management. The authors propose a long-term strategy integrating forest land management with fire prevention and mitigation measures, including retrofitting buildings and limiting development in the wildland-urban interface.
A recent analysis of cloud measurements and satellite data suggests that even tiny aerosol particles may play a significant role in cloud formation. This finding challenges current models and could have significant implications for predicting future climate change.
Researchers developed an algorithm that uses stochastic differential equations to identify key data points in noisy data, improving early warning signal accuracy. The approach can be applied to various domains, including ecology and mental health, and has been validated through simulations.
Mosquito-borne diseases are becoming a global phenomenon due to climate change, increasing the risk of local transmission in Europe and beyond. Researchers are developing early warning systems to combat outbreaks, which could save millions of lives.
Residents in a Seoul, South Korea neighborhood have developed a 'disaster subculture' due to frequent extreme heat and cold, showing social welfare has a role to play in addressing climate issues. The study highlights the importance of understanding the lived experiences of marginalized communities to address their specific needs.
A Curtin University study found that breeding less-flatulent cows and restoring agricultural land can significantly reduce methane emissions from Australia's beef and dairy sectors. Researchers identified several strategies to lower emissions, including altering breeding objectives and improving wastewater management.
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 study by MLU found that ecosystems with diverse plant mixes can regulate up to 5% of regional climate, while plant traits like leaf thickness affect climate. The research highlights the complex relationship between plants and climate, emphasizing the need for biodiversity in nature conservation.
FAPESP aims to create new opportunities for scientific and technological cooperation between researchers from Brazil and the US Midwest, focusing on areas such as health, sustainability, and climate change. The initiative also promotes transdisciplinary research collaborations to address global challenges.
A new study found that AI systems produce much less CO2e per page of text generated compared to human writers and illustrators. DALL-E2 emits approximately 2,500 times less CO2e than a human artist for illustration tasks. The authors suggest collaboration between AI and human efforts for the most beneficial outcome.
Researchers at WVU are developing solid oxide electrolysis cells (SOECs) to split water into hydrogen and oxygen, with the goal of cutting production costs to $1 per kilogram. The projects focus on improving SOEC design and manufacturing processes to increase efficiency and reduce energy consumption.
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 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.
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.
Researchers propose using coordinated multi-swarm drones to quell forest fires, leveraging AI-enabled fire detection and autonomous decision-making. The approach could lead to more efficient fire suppression and reduced response times.
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.
The uOttawa Faculty of Medicine is encouraging its counterparts to replicate its leadership in planetary health by creating a Director of Planetary Health position. This move aims to prioritize the health of the planet and address the escalating urgency of the climate crisis.
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.
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.
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.
Researchers developed an autonomous heating system that uses real-time temperature and wind-direction data to warm fruit tree canopies. The system resulted in significantly reduced damage to apple tree buds in tests, with increased canopy protection times of over double and nearly triple in low temperatures.
A new study reveals that even small incremental increases in tree cover on agricultural land in mountain regions can provide significant climate change mitigation benefits within a decade. Agroforestry practices can help conserve irrecoverable carbon, improve biodiversity, and enhance ecosystem services in mountain systems.
A recent study published in Nature identifies potential thresholds for stressors that could cause the Amazon forest to collapse. The research highlights the importance of understanding the most significant factors affecting the rainforest environment to develop strategies for keeping it resilient.
A study found that crop diversification in the Cerrado biome leads to increased numbers of native mammals and a decrease in invasive species such as wild boars. Diversified crops helped control invasive species that cause damage to farmers.
A new study found a statistically significant increase in ambulance callouts for all causes by 10%, with cardiovascular causes rising by 5%. As heatwaves intensify, the risk of ambulance callouts is expected to rise further, highlighting the need for proactive measures to address heat-related health issues.
Researchers found that coastal trapped waves and tidal mixing control primary production in the tropical Angolan upwelling system. Productivity peaks occur seasonally, with strong fluctuations during austral winter.
An international study of 12 caves worldwide reveals that climate change could threaten the planet's largest freshwater reserves. The study found that temperature variations in caves reflect changes at the surface, posing a threat to unique and adapted organisms that maintain water quality.
Researchers from Concordia University explore risks of cyberattacks faced by offshore wind farms with VSC-HVDC connections. These attacks could lead to false information, electrical disturbances, and potential transmission of amplified oscillations through the main power grid.
A novel self-purifying water treatment system uses CoFe quantum dots to remove over 70% of emerging contaminants from wastewater within two hours. The system harnesses internal energy for purification, operating at ambient temperature and pressure without external oxidants.
Researchers studied ant communities in different bioenergy cropping systems to understand how they shape biotic communities and their functions. They found that perennial bioenergy cropping systems with more plant diversity gave rise to a different and more diverse ant community than simpler systems.
Researchers at NYU Tandon School of Engineering have achieved a breakthrough in RFD, increasing the salt removal rate by approximately 20% while lowering its energy demand. The system can store affordable renewable energy and produce potable drinking water, promising a sustainable solution to the global water crisis.
The AMS 104th Annual Meeting will focus on climate change research, mitigation, and adaptation, with key discussions on overcoming barriers to implementation. The meeting features numerous scientific conferences and symposia covering topics like climate variability, air pollution meteorology, AI for environmental science, and more.
Researchers identify five key properties of global systems that generate polycrises and hamper crisis mitigation. They recommend a global effort to reduce greenhouse gas emissions and promote renewable energy sources to address the growing interconnections between world problems.
Researchers found that joint action of tropical and extratropical variations led to persistent heavy rainfall over Japan. The study revealed a link between upper-tropospheric blocking high, near-surface atmospheric flow, and cumulus convection in enhancing the northwestern Pacific subtropical high.
Ocean Networks Canada is establishing a new Antarctic Ocean observatory in partnership with the Spanish National Research Council. This initiative will provide year-round, near real-time data on ocean conditions, advancing scientific understanding of the Southern Ocean and Antarctic Ocean.
A study published on Nature Food highlights the potential of using by-products in animal diets to save land and water resources. The research suggests that substituting energy-intensive crops with agricultural by-products could reduce competition for natural resources and improve food security.
A new Dartmouth study finds that seasonal snowpacks have shrunk significantly over the past 40 years due to human-driven climate change. The sharpest global warming-related reductions are in the Southwestern and Northeastern United States, as well as in Central and Eastern Europe.
A global study led by Colorado State University scientists shows that extreme drought has been greatly underestimated for grasslands and shrublands. The study found that the loss of aboveground plant growth was 60% greater when short-term drought was extreme, exceeding previously reported losses.
A major research study argues that diversifying away from maize and switching to crops like cassava, millet, and sorghum will improve nutrition security in sub-Saharan Africa. The study highlights the need for policymakers to prioritize nutritional quality in agricultural policy.
Researchers propose integrating smart-city technologies to boost flood resilience in coastal cities. They argue that emerging technologies like IoT, 5G, and big data can enable real-time data collection, analysis, and decision-making, leading to more responsive and resilient urban environments.
A team of scientists has found evidence linking oceanic weather systems to climate on a global scale, revealing that these interactions require the mediation of the atmosphere. The study used mechanical analysis to understand energy transfer across different patterns in the ocean and atmosphere.
A study published in Nature predicts that climate change will lead to a 9% loss of ecosystem services by 2100, with the poorest 50% of countries expected to bear 90% of the damages. The study's findings highlight the importance of accounting for natural systems and human well-being within economic frameworks.
A recent study published in One Earth suggests that triggering positive tipping points is crucial for mitigating the effects of climate change. The research highlights examples like Norway's rapid transition to electric vehicles as evidence of human systems exhibiting positive tipping points, which can help achieve decarbonisation goals.
Researchers used a fiber optic cable to study the Arctic seafloor's seismic structure and temperature. They identified areas with large amounts of ice and detected changes in temperature over seasons, which will help understand global climate change.
Erle Ellis, professor of geography and environmental systems, argues that human societies have developed unprecedented capabilities to scale up and transform ecological systems. However, these advancements often come with negative environmental consequences, such as climate change and species extinctions.
A recent study found that beef operations with lifelong grass-based diets may produce a 42% higher carbon footprint when considering soil carbon sequestration and carbon opportunity costs. This is in contrast to grain-finished operations, which have been previously shown to have a lower environmental impact. The study's findings emphas...
The ILSI 2024 Annual Meeting will feature scientific presentations, professional development, and networking opportunities focused on innovations for safe, nutritious, and sustainable food manufacturing systems. Press registration is now available for media outlets covering the event.
The report highlights six key recommendations to change course, including coordinated action to trigger positive tipping points. Averting the crisis and doing so equitably must be the core goal of COP28 and ongoing global cooperation.
Professor Shuqing Xu's research aims to investigate the connections between species interactions and evolutionary responses to climate change. He will create aquatic pond systems with hundreds of species to study how organisms respond to temperature increases, with potential findings on coevolution and ecosystem functions.
Researchers from Xi'an Jiaotong-Liverpool University developed a system to assess water quality challenges in Suzhou, China. The study found that the city's water capacity has increased since 2001 due to effective water management measures.
Researchers propose a new approach to measure global warming, combining the last ten years of temperature observations with projections for the next decade. The current level of global warming is around 1.26°C, with an uncertainty range of 1.13°C to 1.43°C.