Climate models

Corrective machine learning to improve climate models

Editors’ Highlights are summaries of recent articles written by AGU’s journal editors. Source: Journal of Advances in Earth System Modeling A new generation of global atmospheric models with 1-5 kilometer grid spacing can accurately simulate extreme weather conditions, such as heavy local rainfall from thunderstorm systems and flow through complex mountain ranges. They could also […]

Climate models

Advanced ocean robots provide better global climate models

A team of researchers from the University of Gothenburg has deployed advanced ocean robots to conduct an international study of storm-watching above the waters around Antarctica. The study found that these storms cause outgassing of carbon dioxide into the atmosphere and can help experts better understand climate change and develop better global climate models. Intense […]

Climate models

“Salad of nonsense words”: scientists denounce Jordan Peterson’s comments on climate models | Climate crisis

Prominent climate scientists have ridiculed and criticized controversial Canadian psychologist and author Jordan Peterson’s comments during an interview on Joe Rogan’s podcast. During a new four-hour interview on Spotify’s most popular podcast, Peterson – who is not an expert on climate change – claimed the models used to predict the state could not be trusted. […]

Climate change

IPCC reports on climate change, conclusions, significance, purpose and history of reports

History of IPCC reports The IPCC has been sounding the alarm on climate change for decades, publishing regular and comprehensive assessments that summarize the most recent research on the warming of our planet. Periodically, it also publishes special reports on topics such as land use, the ocean and the cryosphere (frozen parts of the earth) […]

Climate change

IGT becomes the latest gaming company to fight climate change

iGaming is a billion dollar industry, with hundreds of companies trying to position themselves on the online map. And it’s not something new either, as we’ve seen for years how companies in this internet marketplace strive to improve both their product and their reputation. One company that has caused a stir is IGT. They joined […]

Climate models

Argonne scientists advance global climate models by embarking on two new field campaigns

Newswise – Campaign data will help improve the accuracy of weather and climate models. Climate projections suggest that rising global temperatures will increase the intensity of extreme weather conditions, such as droughts, hurricanes and heat waves. But when, where and how specifically these events will emerge is still uncertain. To better predict future changes, scientists […]

Climate variability

Climate variability will increase in the 21st century • Earth.com

A new study published in the journal Earth system dynamics explored predicted future changes in climate and ecosystem variability. Scientists have found that in addition to causing changes in average temperatures and precipitation levels, global warming will also trigger the onset of more pronounced extreme weather events during the 21st century, ranging from mighty storms […]

Climate variability

New computer model simulations identify widespread changes in climate variability under sustained anthropogenic forcing – ScienceDaily

The public is increasingly aware that climate change will impact society not only through changes in average temperatures and precipitation over the 21st century, but also in the occurrence of more pronounced extreme events, and more generally in the natural variability of the Earth system. Such changes could also have significant impacts on vulnerable ecosystems […]

Climate variability

Major Future Changes in Climate Variability

The public is increasingly aware that climate change will impact society not only through changes in average temperatures and rainfall during the 21st century, but also in the occurrence of more pronounced extreme events, and more generally in the natural variability of the Earth system. Such changes could also have significant impacts on vulnerable ecosystems […]

Climate models

Record temperatures in Montana could impact drought, predicted by climate models

MISSOULA – We have reached the first of December and it is quite hot outside. Maximums in Missoula are in the upper 1950s (forecast Wednesday morning, temperatures will eventually reach the 1960s in Missoula), which is significantly higher than normal temperatures in the 1930s. So what’s up with this hot weather? “Kind of like we […]

Climate models

Record temperatures in Montana could impact drought, predicted by climate models

MISSOULA – We have reached the first of December and it is quite hot outside. Maximums in Missoula are in the upper 1950s (forecast Wednesday morning, temperatures will eventually reach the 1960s in Missoula), which is significantly higher than normal temperatures in the 1930s. So what’s up with this hot weather? “Kind of like we […]

Climate models

Record temperatures in Montana could impact drought, predicted by climate models

MISSOULA – We have reached the first of December and it is quite hot outside. Maximums in Missoula are in the upper 1950s (forecast Wednesday morning, temperatures will eventually reach the 1960s in Missoula), which is significantly higher than normal temperatures in the 1930s. So what’s up with this hot weather? “Kind of like we […]

Climate variability

Climate variability and dynamics during the warm period of the Lower to Middle Pliocene provide clues for future climate change

Field photograph of the Shilou red clay sequence of the eastern Chinese loess plateau. Credit: Ao Hong A recent study by an international research group led by Professor Ao Hong of the Institute of the Earth’s Environment of the Chinese Academy of Sciences revealed the variability and dynamics of the Asian climate during the warm […]

Climate variability

Variability and dynamics of the Asian climate through

image: Field photograph of the Shilou red clay sequence of the eastern Chinese loess plateau seen Following Credit: AO Hong A recent study by an international research group led by Professor AO Hong of the Institute of the Earth’s Environment of the Chinese Academy of Sciences revealed the variability and dynamics of the Asian climate […]

Climate change

Readers write: birth rate, critical race theory, global implication, climate change

Two juxtaposed articles on the front page of November 22 were ironically linked: “Afghan family ready for new life” and “Study shows more in US excludes children.” The “experts” are worried about the declining birth rate in the United States, which they say may not fuel enough population growth to keep the economy and future […]

Climate models

Defective climate models? The Arctic Ocean started to warm decades earlier than expected

An international group of researchers has pieced together the recent history of warming oceans at the gateway to the Arctic Ocean in a region called the Fram Strait, between Greenland and Svalbard, and found that the Arctic Ocean has been warming for a long time. longer than previous recordings suggested. Credit: Sara Giansiracusa The Arctic […]

Climate change

Understanding the abrupt climate change at the end of the Quaternary

Editors Vox is a blog of the AGU publications service. About 75,000 to 10,000 years ago, there was a series of sudden and dramatic changes in precipitation patterns in the tropics, possibly triggered by changes in the circulation of ocean waters. A recent article in Geophysical reviews examines the evidence for these “tropical hydroclimatic events” […]

Climate models

How scientists can predict the future: the importance of climate models

Part of a scientist’s duty in today’s disinformation environment is to persuade the public about how science works. Making precise and measured projections about the future is necessary to convince the public to believe in science. Is it possible to make accurate predictions about how the world will look 50 years from now? (Photo: Photo […]

Climate models

How machine learning helps us refine climate models to unprecedented detail

From movie suggestions to autonomous vehicles, machine learning has revolutionized modern life. Experts are now using it to help solve one of humanity’s biggest problems – climate change. Through machine learning, we can use our abundance of historical climate data and observations to improve predictions of the Earth’s future climate. And these forecasts will have […]

Climate models

How machine learning helps us refine climate models to unprecedented detail – GCN

How machine learning helps us refine climate models to unprecedented detail By Navid Constantinou August 18, 2021 From movie suggestions to autonomous vehicles, machine learning has revolutionized modern life. Experts are now using it to help solve one of humanity’s biggest problems – climate change. With machine learning, we can use our abundance of historical […]

Climate models

Yes, a few climate models give unexpected predictions, but technology remains a powerful tool

Credit: Shutterstock The long-awaited new report from the Intergovernmental Panel on Climate Change (IPCC) is due later today. Prior to publication, a debate erupted over the computer models at the heart of global climate projections. Climate models are one of the many tools that scientists use to understand how the climate has changed in the […]

Climate models

Yes, a few climate models give unexpected predictions – but technology remains a powerful tool

The long-awaited new report from the Intergovernmental Panel on Climate Change (IPCC) is due later today. Prior to publication, a debate erupted over the computer models at the heart of global climate projections. Climate models are one of the many tools that scientists use to understand how the climate has changed in the past and […]

Climate models

Which areas will climate change make uninhabitable? Climate models alone cannot tell

Which areas will climate change make uninhabitable? Climate models alone cannot tell by Radley Horton and Alex de Sherbinin |June 17, 2021 This Somali family left their village after a drought killed most of their livestock. As climate change exacerbates droughts and food shortages in some areas, many people may be forced to leave their […]

Climate variability

Scientists study how regional climate variability affects animals in arid North America: UNM Newsroom

As visual evidence of climate change continues to shed light on a huge problem in the world, scientists studying at several National Science Foundation (NSF) Long-Term Ecological Research (LTER) sites are partially tackling the problem. problem by examining changes in the diversity and abundance of small mammals to understand their vulnerabilities to climate change. Long-term […]

Climate variability

Scientists: Climate variability will intensify in the Great Plains | Land and Cattle Post

Cow / calf operations in the Great Plains are likely to be affected by the increased variability in rainfall which supports forage production for 50% of the country’s cow herd. Texas A&M AgriLife photo By ADAM RUSSELL Texas A&M AgriLife Extension Mother Nature has provided increasingly erratic precipitation for the Great Plains over the past […]

Climate variability

The Great Plains facing climate variability

Mother Nature has provided increasingly erratic rainfall for the Great Plains over the past decade, affecting grasslands, forage systems and cattle production in the region – and scientists expect this trend to continue. intensifies. Cow / calf operations in the Great Plains are likely to be affected by the increased variability in rainfall which supports […]

Climate models

Tibetan Plateau may warm faster in future than climate models predict

Apr 7, 2021 In recent decades, the Tibetan Plateau, called “the roof of the world”, has warmed faster than the world average. Projected future warming of the Tibetan plateau in the CMIP5 ensemble. The thick lines indicate the multi-model ensemble means, and the shadows indicate the 90% model intervals, derived from the raw model output. […]

Climate models

How to use climate models

The new report from the Australian Academy of Sciences, The risks for Australia of a 3 ° C hotter world, has grim predictions for the nation’s future under current carbon emissions policy and action. All of these predictions are based on climate models. Among the now familiar predictions of ecological and economic damage, the report […]

Climate models

Argonne researchers improve climate models and climate change prediction

Newswise – Argonne’s new algorithm for capturing drizzle-turbulence interactions could improve predictions of future climate conditions. From space, large bridges of closely spaced stratocumulus clouds appear as brilliant cotton balls hovering above the ocean. They cover large areas – literally thousands of miles of subtropical ocean – and linger for weeks, if not months. Because […]

Climate models

New climate models with high climate sensitivity are not plausible

A recent analysis of the latest generation of climate models – known as CMIP6 – provides a caveat on interpreting climate simulations as scientists develop more sensitive and sophisticated projections of how the Earth will react to levels. increasing amounts of carbon dioxide in the atmosphere. Researchers from Princeton University and the University of Miami […]

Climate models

The high end of climate sensitivity in new climate models considered less plausible – ScienceDaily

A recent analysis of the latest generation of climate models – known as CMIP6 – provides a caveat on interpreting climate simulations as scientists develop more sensitive and sophisticated projections of how the Earth will react to levels. increasing amounts of carbon dioxide in the atmosphere. Researchers at Princeton University and the University of Miami […]

Climate models

The future of precipitation in the Alps

Credit: CC0 Public Domain Less intense average daily precipitation, more intense and localized extreme events. This is what the future climate scenarios for the Eastern Alps indicate, according to the study “Evaluation and Expected Changes of Summer Precipitation at Convection Permitting Scale with COSMO-CLM over Alpine Space”, published by the CMCC Foundation in the journal […]

Climate models

University of Wyoming researchers modify climate patterns from the air

Wildfire research has become increasingly important in recent years as climate change has made fires more frequent and intense. But smoke from wildfires could have a bigger effect on the climate than previously thought. Wyoming Public Radio’s Ivy Engel spoke with Shane Murphy, a University of Wyoming researcher who has studied the smoke inside plumes. […]

Climate models

The past is the key to predicting the future climate – Models should be tested by simulating past climates

Past carbon dioxide concentrations (left) versus possible future emission scenarios (right): the rate of current emissions is much faster – occurring over decades – unlike geological changes, which occur over millions of years. If emissions continue unabated, carbon dioxide levels could reach or exceed values ​​associated with warm climates of the past, such as the […]

Climate models

How hot will it be this century? The latest climate models suggest it could be worse than we thought

Climatologists use mathematical models to project Earth’s future in a warming world, but a group of latest models included surprisingly high values ​​for a measure called “climate sensitivity.” Climate sensitivity refers to the relationship between changes in carbon dioxide in the atmosphere and warming. High values ​​are a bad surprise. If they’re right, that means […]

Climate models

Evaluation of cloud cover predictions in climate models

Source: Earth and Space Sciences The clouds play a important role in the Earth’s climate and can warm or cool the atmosphere depending on their particular characteristics and when and where they form. Computer models of Earth’s future climate suffer from uncertainties related to the challenge of predicting cloud cover and how the effects of […]

Climate variability

Big Data helps farmers adapt to climate variability

The MSU study sheds light on how big data and digital technologies can help farmers better adapt to the threats, present and future, of a changing climate. University of Michigan EAST LANSING, MI – A new study from Michigan State University (MSU) sheds light on how big data and digital technologies can help farmers better […]

Climate variability

Big data is essential for farmers to adapt to climate variability

A new study from Michigan State University sheds light on how big data and digital technologies can help farmers better adapt to threats – present and future – of a changing climate. The study, published in Scientific Reports, is the first to accurately quantify soil and landscape characteristics and spatial and temporal variations in yield […]

Climate variability

Big data helps farmers adapt to climate variability | MSU Today

A new study from Michigan State University sheds light on how big data and digital technologies can help farmers better adapt to threats – present and future – of a changing climate. The study, published in Scientific reports, is the first to precisely quantify soil and landscape characteristics and spatial and temporal variations in yield […]

Climate models

Climate models have understood global warming well

There’s a favorite argument among those who doubt mainstream climate science: climate models overestimate the rate at which the Earth is warming. This claim resurfaces time and time again and is often based on single instances of uncertainty or hand-picked data. Various studies have looked closely at individual climate models in recent years and have […]

Climate models

How successful have climate models really been in predicting the future?

A new paper by Hausfather and his colleagues (including me) has just been published with the most comprehensive assessment of climate model projections since the 1970s. Bottom line? Once you fixed the small errors in the projected overrides, they performed remarkably well. Climate models are central to our understanding of our future climate. They have […]

Climate models

Individual climate models may not provide the complete picture

UNIVERSITY PARK, Pennsylvania — Equilibrium climate sensitivity — the sensitivity of Earth’s climate to changes in atmospheric carbon dioxide — may be underestimated in individual climate models, according to a team of climatologists. “Probabilistic estimates of climate system properties often rely on comparing the model simulation with observed temperature records and an estimate of internal […]

Climate variability

Global warming is accelerating climate variability, study finds • Earth.com

The Earth has gone through many warming and cooling periods where temperatures were drastically different from what they are today. What makes today’s climate change so noticeable compared to other warm interglacial periods of the past is that rates of warming and carbon build-up in the atmosphere are occurring at unprecedented levels. . But examining […]

Climate variability

Researchers compare global temperature variability during ice ages and interglacials – sciencedaily

Based on a unique global comparison of data from core samples taken from the ocean floor and polar ice caps, AWI researchers have now shown that although climate change has indeed diminished in the world between ice ages and interglacials, the difference is by no means as pronounced as previously assumed. Until now, it was […]