Articles tagged with Climatology
A temporary weakening of the atmosphere's chemical capacity led to a sharp increase in methane levels between 2020 and 2021. The surge was driven by increased natural emissions and a decline in oxidizing capacity, particularly fewer OH radicals available for breaking down methane.
Researchers from Hokkaido University used a new method to track groundwater levels and greenhouse gas emissions in Southeast Asia's peatlands, finding they release more gases than previously thought. Human activities like drainage and agriculture increase emissions by tripling or sixfolding, contributing 30% of Japan's annual emissions.
Researchers at the University of Göttingen found that forest soils in south-western Germany absorb more methane as climate conditions become drier and warmer. This contradicts current international meta-analyses, highlighting the importance of long-term monitoring for assessing the effects of climate change.
An international team has successfully documented and sampled freshened water within a zone nearly 200 metres thick beneath the ocean floor. This discovery sheds light on offshore freshened groundwater systems and their relevance to coastal communities relying on groundwater for freshwater supply.
Research from the University of East Anglia predicts that tropical cities will experience increased urban heat island effects under 2°C global warming. The study finds that up to 81% of medium-sized cities will warm more than surrounding rural areas, with some experiencing warming rates up to 100% higher.
A new study from Brown University finds that temperatures in parts of the tropics may increase by up to 4.8 degrees C due to rising CO2 levels. This is significantly higher than previously predicted, highlighting the importance of studying regional climate mechanisms.
A new axis-based data model resolves long-standing issues in Earth data grids, enabling more accurate, flexible, and interoperable data across science, policy, and industry. The framework clarifies grid structure, coordinate handling, and value interpretation, allowing for efficient querying of massive multidimensional datasets.
A new study from the University of Copenhagen suggests that flooding low-lying areas in wetlands may not be the most effective way to mitigate climate change. Instead, maintaining a stable water table below ground level can help reduce methane emissions and promote CO2 sequestration, according to researchers led by Professor Bo Elberling.
Researchers found a surprising correlation between West Antarctic Ice Sheet retreat and marine algae growth over the past 500,000 years. The study suggests that global warming may lead to reduced CO2 uptake if the ice sheet continues to shrink.
A new study evaluates climate policies in 40 countries, finding that a comprehensive toolkit including carbon pricing, taxation, and renewable energy investments is most effective. Countries like Australia, Canada, and Japan have substantial potential to strengthen their climate performance by increasing fossil fuel excise taxes.
Researchers found significant decline of atmospheric trifluoroacetic acid (TFA) in Toronto during COVID-19, suggesting its sources and enabling future reduction strategies. The decrease is attributed to short-lived chemical precursors emitted into the atmosphere, offering new hope for mitigating this persistent pollutant.
A new study led by climatologists at the University at Albany found that extreme heatwaves in the Caribbean have increased significantly over the last five decades. The study reveals that heatwaves are lasting longer and occurring more often, especially in Cuba, Haiti, Puerto Rico, and the Dominican Republic.
A new study provides a tool to quantify responsibility for PM 2.5 pollution, highlighting the impact of cross-state pollution on public health. The research highlights inequality in pollution across US states, with some facing disproportionate health risks and responsibilities.
The world's forests are becoming homogenized, with fast-growing tree species dominating landscapes. Biodiversity is declining as slow-growing, specialized species disappear, compromising ecosystem stability and carbon storage. Active ecosystem management is essential to halt the loss of these threatened species.
The American Meteorological Society has partnered with the Intergovernmental Panel on Climate Change (IPCC) to provide IPCC authors with access to peer-reviewed scientific publications. This collaboration ensures equitable access to critical climate science for researchers worldwide, particularly those from developing countries and fac...
A University of Waterloo scientist and international collaborators found that airborne mineral dust promotes algae growth on the Greenland ice sheet, exacerbating melting. The study reveals that phosphorus in the dust fuels the growth of pigmented glacier algae.
The center will develop cutting-edge computational methods, including AI algorithms, to tackle fundamental geophysical problems. By studying weather and climate on Earth and other planets, the hub aims to shed light on many events that have historically been difficult to forecast.
A research team from Osaka Metropolitan University found that optimizing window-to-wall ratio and insulation can reduce energy consumption by up to 27% in subtropical regions. The study provides tailored design guidelines for each climate zone, promoting net-zero energy housing and climate adaptation policies.
Researchers discovered that a significant drop in calcium levels in the ocean led to a massive decrease in carbon dioxide, driving global cooling and ending the planet's greenhouse era. The study suggests that changes in seawater chemistry played a key role in shaping climate history.
Amanda Staudt will lead the American Meteorological Society, advancing the atmospheric and related sciences for public safety, economic security, and environmental stewardship. With extensive experience in connecting science to society, Staudt aims to bring people together to amplify AMS's voices.
A new study by the University of Vienna estimates that over 20 times more microplastic particles are emitted on land than from the ocean, contrary to previous assumptions. The research was conducted using global measurement data and model simulations, and found significant discrepancies between emission estimates and measurements.
A new UN report warns that humanity has entered a state of 'Global Water Bankruptcy' due to unsustainable water use. The report highlights the urgent need for a global reset in water management, shifting from crisis management to bankruptcy management.
A new study using sediment drill cores reveals a link between solar cycles and the stability of fast ice in Antarctica. The research team found that changes in solar activity disrupt zonal winds over the Southern Ocean, leading to the retreat of sea ice along the coast.
The pilot plant enables production of demand-oriented quantities of fossil and renewable fuels, documenting their climate impact transparently. Regenerative reFuels can be used in various transport modes, reducing CO2 emissions.
A £3.7 million project aims to provide unprecedented analysis of mesophotic coral reefs' vulnerability to climate change and identify ways to protect them. The study will use state-of-the-art technologies to collect comprehensive data on biodiversity, health, and environmental parameters.
A new measurement campaign, NAWDIC, aims to explore the dynamics of weather systems over the North Atlantic Ocean and improve climate models. The campaign uses advanced remote sensing instruments to document moisture transport rates and interactions between the atmosphere and ocean.
A new study using fossil coccoliths suggests the North Atlantic was 9 degrees Celsius cooler than previously thought during the Miocene epoch. This finding challenges the extreme high-latitude warmth paradigm and aligns with existing climate models for this period.
A research team evaluated 39 CMIP6 climate models to better understand their performance in simulating multiyear El Niño events and their impact on southern China's spring precipitation. Most models struggle to reproduce the associated precipitation anomalies, highlighting substantial inter-model differences.
A European project found that greening school playgrounds improves the quality of life in cities and helps deal with climate change. The study, led by researchers at UOC and UPC, assesses the benefits of nature-based solutions in schools, promoting education, ecological restoration, empowerment, and reconnection with nature.
A mobile app developed by researchers from UNIGE and Agroscope helps winegrowers anticipate climate change impacts on their vineyards. The app uses climate analogues to identify regions with comparable climatic conditions in the future, allowing for the adoption of suitable viticultural practices.
A new study suggests that avocado growing areas in India will moderately expand northward and to higher elevations under low to moderate global emissions. However, if global emissions continue to rise, suitable zones may fragment and destabilize by 2070. The researchers call for conservation and climate-resilient cultivation strategies.
New research reveals that land subsidence caused by humans is the main culprit behind delta sinking, posing increased flooding risk to 236 million people. The study identifies groundwater extraction as the dominant cause of subsidence, highlighting the need for urgent local interventions.
Researchers found that trees recovering twice as fast in tropical forests with sufficient nitrogen could be preventing the annual sequestration of 0.69 billion tonnes of carbon dioxide. The study suggests ways to boost carbon capture through reforestation by managing nutrients available to trees.
Mars plays a measurable role in shaping Earth's long-term climate patterns, including ice ages, through its gravitational influence and orbital cycles. The study suggests that Mars' presence is necessary for the existence of major climate cycles, which have driven evolutionary changes on Earth.
Researchers have found that El Niño and La Niña are driving total water storage extremes globally, with a synchronizing effect on water storage across continents. The study uses gravity data from NASA's GRACE and GRACE Follow-On satellites to track water extremes and their connections.
Scientists reveal that slow orbital wobbles, known as precession cycles, generate abrupt millennial-scale climate fluctuations even under ice-free conditions. The study provides a new clue for understanding rapid climate swings and offers insights for future warming scenarios.
Researchers found that the West Antarctic Ice Sheet retreated at least five times during warmer periods millions of years ago, indicating its extreme vulnerability to future warming. The study analyzed deep-sea sediments and identified 14 prominent melt events between 4.65 and 3.33 million years ago.
The new ECMWF Director-General, Florian Pappenberger, emphasizes the importance of collaboration, innovation, and people-centric approaches. He plans to leverage high-performance computing, AI, and data assimilation to advance weather and climate prediction.
Researchers discovered a 'one-two punch' of orbital forcing and climate variability driving ice sheet melting in ancient Antarctica. The findings provide new insights into the complex processes shaping our planet's climate history.
A new study from GreenDrill reveals that the Prudhoe Dome ice cap melted approximately 7,000 years ago due to mild Holocene-era temperatures. This finding highlights the region's vulnerability to human-induced climate change and has significant implications for sea level rise predictions.
Researchers at HKUST found a slowdown in Arctic sea ice melting since 2012, attributed to a shift in the North Atlantic Oscillation pattern. The NAO's positive phase traps cold air, leading to accelerated climate and environmental crises without emission cuts.
Contrails formed from plane exhaust meet icy air, growing into threads that trap heat and contribute to warming the planet. Combining images from geostationary and low-Earth-orbiting satellites may provide a more complete picture of contrail life and radiative properties.
The American Meteorological Society (AMS) urges the US government to maintain and strengthen NSF NCAR, a critical resource for weather forecasting and climate science. This would lead to further forecast improvements that benefit the nation's safety and economy.
A University at Buffalo researcher has developed a framework to help scientists incorporate community input into Earth system models, providing more accurate and relevant regional climate data. The framework outlines four levels of co-design, allowing modelers to incorporate local knowledge and observations directly into the model.
The article introduces the concept of an Energy and Environment Nexus as a web linking energy services, human well-being and environmental health. It proposes four imperatives of energy: power intensity, energy density, cost and scale to determine practical and sustainable energy systems.
Recent research reveals that volcanic eruptions can cause unpredictable weather patterns, including volcanic rain, dust storms, and unstable Antarctic air. The study also found that the Antarctic surface atmosphere has become less stable and more prone to gravity waves since the 1950s.
A new study has found that the ocean's ability to absorb CO2 is stronger than previously assumed, with air bubbles playing a key role in this process. The research suggests that the ocean absorbed around 0.3-0.4 petagrams more carbon per year, about 15% more than previous estimates.
Research led by the University of Washington found that climate transitions over 56 million years ago fueled the emergence of diverse carnivoran body shapes. The Eocene-Oligocene Transition led to changes between families, while the Mid-Miocene Climate Transition drove diversification within families.
A study by University of Washington researchers found that climate changes over 56 million years ago led to diversification of modern carnivores. The Eocene-Oligocene Transition and Mid-Miocene Climate Transition drove the emergence of new body shapes among species such as dogs, cats, bears, and seals.
Researchers discovered metabolites in fossilized bones of animals that lived 1.3 to 3 million years ago, providing insights into their health, diets, and environments. The findings revealed warmer and wetter conditions compared to today.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences quantify the role of climate change in wildfires and air quality, finding that 60-82% of total burned area in western US forests is directly attributable to warming temperatures and drier conditions caused by climate change.
A new study reveals that Southeast Asia is a significant source of climate-warming gases, with deforestation and fossil fuel use leading the way. The region's natural carbon sinks are being overwhelmed, making it challenging for countries to reach climate neutrality without urgent regional action.
This webinar discusses the potential of bio-based carbon capture to deliver up to 6.7 gigatonnes of CO2-equivalent mitigation annually by 2050. It explores how biomass can transform climate mitigation, offering scalable and equitable pathways to net-zero.
American artist Adrien Segal has been awarded the Planetary Futures Public Art Residency at the SETI Institute for a two-year term. The residency aims to foster dialogue and inspire collective action through the connection of artistic practice with scientific discovery, particularly in climate research.
A new study uses high-resolution GHGSat satellite observations to estimate facility-level methane emissions from thousands of oil, gas, and coal facilities globally. The findings provide a more detailed picture of global inventories and offer insights for mitigation strategies.
A team of researchers emphasizes the need for an intelligent observation network to track and forecast tropical cyclones. By combining unmanned aerial, surface, and underwater vehicles, they aim to create a dynamic observation network across the atmosphere, ocean surface, and water column.
A survey of 4,000 Chinese, Indian, Japanese, and US citizens found that people were more supportive of climate policies in their own country if they believed other countries were also taking action. The study's findings suggest that reciprocity plays a significant role in shaping public opinions on climate policy.
Researchers develop a controlled method to capture CO2 from power plants using limestone and dolomite rocks, mimicking nature's slow geological process. The system captures part of the CO2, leaving room for engineering improvements towards a practical carbon capture technology.
Scientists at the University of East Anglia used an autonomous underwater vehicle to survey beneath the Dotson Ice Shelf, finding that the shape of the seabed is more important than current speed in influencing warm water circulation. This leads to melting at the underside of the ice shelf, contributing to sea level rise.
Researchers at the University of Maryland analyzed air samples from College Park, Md., and found that chemical compounds from Canada's historic 2023 fires persisted in the atmosphere, forming an 'atmospheric soup.' The study provides insights into the long-term effects of wildfire smoke on human health and the environment.