Tag

Climate Modeling

All articles tagged with #climate modeling

science1 month ago•55 min saved

CAM-like photosynthesis may have aided lycophytes through the Permian–Triassic crisis

A study links Early Triassic pioneer lycophytes to modern Isoetes, showing a CAM-like photosynthetic strategy that could have boosted survival under extreme heat and drought during the Permian–Triassic mass extinction. Climate-model simulations show land temperatures exceeding modern C3 tolerance, while carbon-isotope data suggest these plants employed a mixed C3/CAM physiology. The work implies CAM flexibility helped sustain low-diversity lycophyte communities, influencing ecosystem recovery and broader carbon cycling in a greenhouse Early Triassic world.

via Nature|

#cam-photosynthesis #climate-modeling #isoetes

science3 months ago•15 min saved

Chasing Clouds: AI Rewrites the Rules of Climate Modeling

Clouds remain the biggest uncertainty in climate projections, pushing researchers to blend physics with AI. Projects like CLIMA and ACE2 train neural networks on real atmospheric data and high‑resolution cloud simulations to emulate cloud effects more accurately and, in some cases, to forecast with far less computational cost than traditional Navier‑Stokes–based models. CLIMA refines cloud parameters through large-eddy simulations to double model accuracy, while ACE2 uses data-driven forecasts to capture cloud-influenced dynamics and speed up predictions, sparking debate over long-term reliability and the best balance between data and physics.

via Quanta Magazine|

#artificial-intelligence #climate-modeling #clouds

energy-and-climate3 months ago•5 min saved

US urges IEA to drop net-zero modeling

At a closed-door IEA ministerial in Paris, U.S. Energy Secretary Chris Wright urged the agency to abandon net-zero emissions scenarios, arguing such targets are unrealistic. The push drew muted pushback as European ministers stressed continued renewables expansion; Wright’s hardline rhetoric has faced rejection from several countries, and talks on the issue will continue.

via politico.eu|

#climate-modeling #energy-and-climate #iea

science3 months ago•6 min saved

Earth May Reassemble into a New Supercontinent, Bringing Drastic Climate Shifts and Extinction Risks

Scientists outline four possible future supercontinents—Novopangea, Pangea Proxima, Aurica, and Amasia—each arising from how today’s oceans evolve, with climate models predicting divergent outcomes (cooling and expanded ice in some scenarios, warmer, drier conditions in Aurica, and potential widespread glaciation in Amasia). While these projections show strikingly different worlds, they share high uncertainty and stress that substantial ecological disruption or extinction could accompany a new planetary union; humanity’s long-term survival may hinge on living in harmony with Earth's ecosystems.

via Indian Defence Review|

#climate-modeling #future-earth #mass-extinction

science6 months ago•4 min saved

Scientists Develop 1-Kilometer Scale Digital Twin of Earth

Scientists have developed a highly detailed digital twin of Earth with a resolution of approximately 1.25 km, integrating weather and climate models using advanced supercomputers and software engineering, marking a significant breakthrough in climate prediction capabilities.

via ScienceAlert|

#climate-modeling #digital-twin #earth

science7 months ago•4 min saved

Exploring the Future of Human Habitats on Mars

Recent technological advances have shifted the debate on Mars terraforming from impossible to challenging, with proposals including warming the planet, creating liquid water, and introducing microbes to eventually establish a breathable atmosphere. Researchers emphasize the importance of careful research, ethical considerations, and understanding potential risks before attempting large-scale planetary transformation.

via Universe Today|

#climate-modeling #mars #science

science8 months ago•16 min saved

Stunning Photos Reveal the Power of Climate Science

The article highlights the extensive efforts and advanced technologies used in climate science, including fieldwork in remote locations, ice core analysis, cloud research, and satellite monitoring, to understand Earth's climate system and address global warming.

via Quanta Magazine|

#atmospheric-gases #climate-modeling #climate-science

science-and-technology11 months ago•5 min saved

AI and Biology: Pioneering the Future of Scientific Innovation

AI is significantly advancing scientific research by enabling breakthroughs in protein structure prediction, brain mapping, materials science, climate forecasting, and fundamental physics, while also paving the way for autonomous laboratories and AI-driven hypothesis generation, despite some challenges in interpretability and understanding.

via SingularityHub|

#ai-in-science #climate-modeling #deepmind

science11 months ago•4 min saved

Scientists Outline 3-Step Plan for Terraforming Mars

Scientists propose a practical three-step plan to terraform Mars, involving warming the planet with solar mirrors, seeding extremophile organisms to create an oxygen atmosphere, and potentially making it habitable within centuries, leveraging recent advances in climate modeling, space tech, and synthetic biology.

via SciTechDaily|

#climate-modeling #mars #science

science11 months ago•3 min saved

Experts Warn of Climate Chaos from Next Major Volcanic Eruption

Scientists warn that a major volcanic eruption could cause severe climate chaos, especially in a warming world, with historical precedents and future risks highlighting the need for better prediction models and preparedness to mitigate potential global impacts.

via Farmingdale Observer|

#climate-chaos #climate-modeling #global-warming

science1 year ago•2 min saved

New Study Confirms Venus Never Had Oceans or Earth-like Life

New research from the University of Cambridge suggests that Venus may never have had oceans, challenging previous theories that it once had a temperate climate with liquid water. The study indicates that Venus' atmosphere and interior lack the necessary hydrogen for liquid water, implying it has always been dry. This contrasts with earlier models suggesting Venus might have been habitable. The findings highlight the planet's extreme conditions, including high temperatures and pressure, and toxic clouds, making it inhospitable.

via Sky News|

#astrochemistry #climate-modeling #habitability

science2 years ago•3 min saved

"Unveiling the Impact of Supervolcano Eruptions on Global Climate"

New research from NASA's Goddard Institute for Space Studies and Columbia University suggests that extreme volcanic super-eruptions may not lead to as severe cooling of Earth's surface temperatures as previously estimated. Using advanced computer modeling, the study found that post-eruption cooling would likely not exceed 2.7 degrees Fahrenheit, challenging previous estimates ranging from 3.6 to 14 degrees Fahrenheit. The study focused on the influence of microscopic sulfur particles injected into the atmosphere and their impact on temperature changes. The findings raise questions about the potential for geoengineering to combat global warming and highlight the need for further research on volcanic aerosol particle sizes.

via NASA|

#aerosol-particles #climate-modeling #global-cooling

climate-science2 years ago•3 min saved

"Warning: Impending Catastrophic Tipping Point for Atlantic Ocean Current"

Scientists have modeled a potential climate tipping point involving the collapse of the Atlantic Meridional Overturning Circulation (AMOC), which could lead to severe global climate repercussions, particularly impacting Europe. The collapse could result in a deep freeze in parts of Europe, with temperatures plunging by up to 30C, while the southern hemisphere would experience rising temperatures and changes in rainfall patterns. The study suggests that the AMOC tipping point could be closer than previously thought, but more research is needed to determine the likelihood and timeframe of such an event.

via Euronews|

#atlantic-ocean-circulation #climate-modeling #climate-science

climate-change2 years ago•5 min saved

Study predicts rise in extreme weather events by 2050 due to carbon neutrality

A study published in Nature Communications warns that achieving carbon neutrality by 2050 may lead to an increase in extreme weather events by that same year. The research highlights the negative impact of declining atmospheric aerosols on global climate, exacerbating the occurrence of extreme weather more than changes in greenhouse gases or the tropospheric ozone layer. The study emphasizes the need to find sustainable solutions to reduce greenhouse gas emissions and associated pollutants to mitigate the environmental, economic, and social impacts of global warming.

via Phys.org|

#aerosols #carbon-neutrality #climate-change

earth-science2 years ago•7 min saved

"Unearthing Ancient Ocean Water in the Himalayas: A Glimpse into Evolution"

Researchers have discovered water droplets trapped in mineral deposits in the Kumaon mountains in the Indian state of Uttarakhand, believed to be remnants of an ancient ocean dating back 600 million years. These droplets could provide insights into the Neoproterozoic Oxygenation Event and the Earth processes that fostered the evolution of complex life. The findings could enhance our understanding of ancient oceans, their composition, and the environment at the time, and could be valuable for future climate modeling. The Himalayas are considered a prime location for studying various Earth processes, and the researchers hope their findings will attract more research groups to the region.

via Mongabay.com|

#ancient-oceans #climate-modeling #earth-science