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Last month, 44 climatescientists from 15 countries wrote an open letter to the Nordic Council of Ministers highlighting the risk of a potential collapse of the Atlantic Meridional Overturning Circulation (AMOC), a critical ocean current system in the Atlantic Ocean. Picture Quebec City in Canada and London in the UK.
As industrial aerosols decreased due to this new regulation, particularly over the North Atlantic Ocean, the planetary albedo slightly decreased, which means that more incoming solar radiation was absorbed by the planet rather than reflected.
The rapid meltdown of polar ice could shut down a key ocean current by 2050, triggering catastrophic surges of sea level rise along the U.S. East Coast and dangerous climate shifts in northwestern Europe.
Because of the way the climate and ocean systems respond to heat-trapping emissions, sea levels will continue to rise even after air temperatures stabilize. This has been noted as a source of climate injustice , due to the profound impacts on future generations and low-lying coastal communities.
Climate models are the main tool climatescientists use to predict how Earth will respond to more heat-trapping pollutants in the atmosphere. But what exactly is a climate model? Lets start off easy by breaking down the phrase climate model.” What causes a circulation? temperature, rainfall, etc.)
Climate models are the main tool scientists use to assess how much the Earths temperature will change given an increase in fossil fuel pollutants in the atmosphere. As a climatescientist, Ive used them in all my research projects, including one predicting a change in Southwestern US precipitation patterns.
It shows the atmospheric concentrations of carbon dioxide (CO 2 ) and tells a story about the carbon cycle, involving Earth’s crust, the atmosphere, land surface, the biosphere, and the oceans. The Keeling curve, highlighted with the release of important climate reports and climate summits.
These scenarios are used in climate models to simulate various outcomes based on emissions trajectories, helping researchers assess climate system responses to different forcings. One of the primary applications of IPCC scenarios is in global climate modeling. Studies show that high-emission scenarios like SSP5-8.5
It’s urgent because we are not even adapted to the present climate. It’s also urgent because the oceans act like a flywheel, making sure that cuts in emission of greenhouse gases will have a lagged effect on global warming. Climatescientists can help policy-makers by explaining the risks and opportunities.
There is no doubt that we have changed Earth’s climate through our activities on a broad range of aspects that includes consequences for the atmosphere, the oceans, snow, ice, Earth’s fauna and ecosystems. The cause of our changing climate is the increase in atmospheric greenhouse gas concentrations that we have released into the air.
The Intergovernmental Panel on Climate Change, a group of the world’s leading climatescientists, released its sixth climate assessment on Monday. The 1,300-page paper is the most comprehensive, up-to-date report yet on the physical science of climate change, synthesizing the findings of thousands of recent publications.
The SWOT mission, as its called, will measure weekly changes in the world’s major rivers, lakes, wetlands, and oceans. For oceans, the satellite will track small-scale currents and eddies that transport nutrients, salt, and heat. Scientists have identified 468 of these transboundary groundwater basins.
Like other climatescientists, he knew from research papers and worldwide storm patterns that a warming atmosphere is thirstier and sops up more moisture from oceans and the land. By Judy Fahys A question has bothered climatologist Park Williams during the decade he’s been probing drought in the Southwest.
As climatescientists we tend to look at the IPCC reports a little differently than the general public might. Here are a few things that mark this report out from previous versions that relate to issues we’ve discussed here before: Extreme events are increasingly connected to climate (duh!) Figure SPM 8.
As of 2024, there are over five trillion pieces of plastic garbage in the world’s oceans. Climatescientists, environmentalists, conservationists, and marine biologists all agree: that something has to be done, quickly. The post Benefits of Using Compostable Packaging for a Greener Future appeared first on Earthava.
That seems like a plausible scenario under climate change but seemingly hasn’t been established yet. As climatescientists predict, more rain is hitting Chicago in the form of intense storms. Now, though, climate is changing rivers, lakes and oceans, forcing a renegotiation of our relationships to those bodies of water.
Presumably Dagsvik and Moen are used to this kind of model, but they seem to be inexperienced with the models used for weather and climate, which on the other hand are based on the laws of physics. Furthermore, the volume of the oceans increases from the melting of land ice.
By Amy Green, Lisa Sorg Tropical Storm Debby, a plodding, waterlogged system that has already saturated four southeastern states, bears many characteristics of a warming planet, climatescientists say. It’s reminiscent of other catastrophic tropical cyclones that have battered the United States over the past eight years.
Scientists at the National Oceanic and Atmospheric Administration (NOAA) are responsible for weather forecasts and severe storm warnings, information we likely take for granted. Climatescientist Katharine Hayhoe asserts that talking about climate change is the most important thing we can do.
Climate-related extremes are occurring with increased frequency, intensity and duration. This is true for a wide variety of impacts, including heat extremes on land and in the ocean, floods, regional drought, and wildfire. Climate-related extremes already threaten public health and the environment.
Corporate leadership was informed about advances in climate science and incorporated those advances when its scientists built their own models. Regardless, the company publicly cast doubt on the reality of global warming, attempted to discredit climatescientists and climate models, and tried to block climate action.
Through greenwashing ads, disinformation campaigns, attacks on scientists, and production of fake scientific evidence, the industry has engaged the playbook of deception to undermine climate action.
In addition, it stores vast quantities of freshwater that if released to the ocean would rise sea level by tens of meters and interfere with saline-driven ocean currents that transfer heat around the planet. In the ocean, 19 marine heatwaves have been recorded between 2002 and 2018. Prof Martin Siegert in Antarctica.
The 24-month study process begins with the Colorado Basin River Forecast Center, a team of scientists operating within the National Oceanic and Atmospheric Administration. But it cannot predict the future. Click To Tweet. Here’s how that works. Their task is to assess what the rivers might do.
As the material breaks down over time, it releases vast quantities of microscopic particles – which due to their small size and low density, can be transported across the globe by winds and ocean currents.
The first climate change presentation I saw was back in the 1970s when I was working for the National Weather Service. Murray Mitchell, was the top climatescientist for NWS. While that got the bulk of the publicity, Dr. Mitchell assured us that the warming of the climate would be the biggest problem in the future.
The El Niño–Southern Oscillation ( ENSO ) is one of the most significant, but variable, climate patterns in the world. This tropical Pacific Ocean phenomenon affects weather in South America, Australia, Asia, and beyond. Researchers are also studying how ENSO will be affected by climate change.
Sharma is also a faculty member in the Department of Climate, Meteorology and Atmospheric Sciences at the University of Illinois Urbana-Champaign and holds a joint appointment as a climatescientist at Argonne National Laboratory.
The discovery by Ladislav Skrbek at Charles University and colleagues could help climatescientists to better understand the flow of heat through Earth’s atmosphere, and may also lead to better designs of heat exchangers.
For climatescientists, the war in Ukraine came at the worst possible time as the media attention they would have hoped for surrounding the release of the latest Intergovernmental Panel on Climate Change (IPCC) report was urgently diverted to the breaking news story of Russia invading Ukraine. By Anders Lorenzen.
Maybe only when Texas freezes over, or the ocean is on fire, or heat waves cook marine life, or wildfires and floods around the world occur will they listen”- and still, nothing.We Amplify voices of local activists and climatescientists.
A senior hurricane researcher at the National Oceanic and Atmospheric Administration , Eric Blake has studied atmospheric changes for two decades, earning his bachelor’s and master’s degrees in Atmospheric Sciences from the University of Louisiana at Monroe and Colorado State University, respectively. Eric Blake.
He is an adjunct professor at New York University’s Animal Studies Program in Manhattan and is a visiting scholar at the University of Washington’s Ocean Nexus Center. He is the writer-in-residence of the Safina Center and regularly contributes to academia. Greenberg said, “Aquatic systems are the lifeblood of our planet.
This is the third year in a row that emissions from energy are flat, yet, climatescientists report that our atmosphere is seeing its carbon content grow faster than ever. Our ecosystems’ ability to deal with carbon and absorb it (notably our oceans) may also be decreasing… So what should Mankind do ?
According to Johan Rockström , a researcher with the Potsdam Institute for Climate Impact Research, offsets can be used to restore and grow new forests, protect the oceans and improve agricultural practices to increase soil health. Still, other carbon offset projects have been found to be damaging to biodiversity and human rights.
Student in the Department of Atmospheric Science at Colorado State University Most people remember the water cycle they learned in school: water evaporates from lakes, rivers, and the ocean, air carrying this moisture rises, cools, condenses, and forms clouds, and these clouds precipitate water back down to the surface.
In this, he is in violent agreement with Isaac Held, his colleague at GFDL, and indeed most climatescientists. Manabe’s subsequent work led to the development of the GFDL GCM, initially just including the atmosphere, but eventually with an ocean, and then the transient results shown in Manabe and Stouffer (1993).
I asked my colleague, Dr. Marc Alessi , an atmospheric scientist, about the hurricane. With ocean surface temperatures more than 2 degrees Celsius above normal in the Gulf of Mexico and Caribbean Sea, Helene was able to rapidly intensify to a Category 4 hurricane before making landfall in Florida.
The only region of cooling is the northern Atlantic, where climate models have long predicted just that due to a slowing of the Atlantic Ocean overturning circulation. The heating of the global ocean has been going on at a steady rate of nine zeta Joules per year for decades , which is 15 times the worldwide primary energy consumption.
James Hansen, the scientist who first sounded the climate alarm in Congress, sees a decrease in aerosol pollution driving a surge of warming and criticizes the U.N. climate science panel, drawing a backlash from other researchers.
Some of the highest risks can be found in the candidates’ home states: the ocean off of Florida has hit 98 degrees— hot tub temp s! Among mid-Atlantic states, New Jersey is ground zero for climate change. We should expect to hear more, as climate impacts are only going to get worse.
Edil is both a climatescientist and environmental attorney working to advance decolonization for Puerto Rico and achieve environmental justice for Puerto Ricans. I recently had a chance to talk with the founder of PRÁ, Edil Sepúlveda Carlo. Edil provided answers for a few questions, which I have edited for clarity.
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