Sentences with phrase «climate models the level»

«When the processes are correct in the climate models the level of climate sensitivity is far higher.

Not exact matches

It modeled the implications for the company of a requirement for emissions to decline to levels consistent with a so - called «2 °C world» after 2030 and also looked at a number of alternative scenarios based on divergent ranges in global growth and trade, geopolitics, technological innovation and responses to climate change.

The study concludes that incorporating this new insight into soil models will improve our understanding of how soils influence atmospheric carbon dioxide levels and global climate.

Climate models show it's enough to shake up ecosystems and make sea levels rise.

The data is important for climate change models, since the emissions released by thawing permafrost could significantly affect levels of greenhouse gases in the atmosphere.

Considering that existing climate models typically do not consider northeast Greenland with future sea - level projections, the findings suggest that sea - level rise estimates may err on the high side, close to 3 feet or higher, said Khan.

Landerer and his colleagues modelled the changes that would occur if the most realistic estimates made by the Intergovernmental Panel on Climate Change — a doubling of carbon dioxide levels by 2100 compared with 2000 — were to become reality.

Barnard and his team predicted how SoCal's shores would evolve from 2010 through 2100 by modeling the factors that influence beaches — estimates for sea level rise as well as wave and storm behavior and predicted climate change patterns if the world eventually stabilizes its greenhouse gas emissions by mid-century, then starts reducing them.

EPRI's conclusions about energy technology gains were fed into a second computer model to assess the costs of stripping 80 percent of 1990 - level carbon emissions out of the electricity sector by 2050, approximating the goal of the House - passed climate bill.

Global climate models predict that already - wet regions, such as the northeastern United States, will get even wetter by the end of the century if carbon dioxide levels reach 717 parts per million.

On a basic level, global climate models are similar to today's weather forecasting tools, explains Jerry Meehl, a senior scientist at the National Center for Atmospheric Research in Boulder, Colorado, and a leading climate modeler.

Climate models show that if CO2 levels stopped rising now, the world would still warm by a further 0.6 °C.

A new climate change modeling tool developed by scientists at Indiana University, Princeton University and the National Oceanographic and Atmospheric Administration finds that carbon dioxide removal from the atmosphere owing to greater plant growth from rising CO2 levels will be partially offset by changes in the activity of soil microbes that derive their energy from plant root growth.

«We're looking for more Michigan - or Great Lakes - level detail on a climate model, which we haven't seen yet,» said Niles Annelin, an environmental policy specialist at the Michigan Department of Transportation (MDOT).

If conditions are particularly wet in coming decades, as some regional climate models have predicted, New Haven's groundwater levels could rise even farther.

Climate models suggest that widespread glaciations couldn't take place at that time unless CO2 levels dropped to about eight times what they are at present, says Tim Lenton, an earth scientist at the University of Exeter in the United Kingdom.

Using sophisticated atmospheric and climate models, the researchers estimated the levels of PM2.5 directly attributable to wildfires during a recent six - year period, 2004 to 2009, as well as under projected future climate change conditions (2046 - 2051).

The models show that climate change is a less influential driver of global food security than income, population and productivity — but it could still pose a significant risk to the nutrition levels of people living in the world's poorest regions, Baldos said.

For the study «Doubling of coastal erosion under rising sea level by mid-century in Hawaiʻi,» published this week in Natural Hazards, the research team developed a simple model to assess future erosion hazards under higher sea levels — taking into account historical changes of Hawaiʻi shorelines and the projected acceleration of sea level rise reported from the Intergovernmental Panel on Climate Change (IPCC).

Most current climate models predict what will happen when the concentration of CO2 in the atmosphere reaches twice preindustrial levels, or some 1.2 trillion tonnes of carbon.

Uncertainty about rain, little uncertainty about sea level rise Climate change could also affect precipitation in California, though the two models USGS used in its research produced different results.

A new study in Geophysical Research Letters uses historical climate model simulations to demonstrate that there has been an Arctic - wide decrease in sea level pressure since the 1800's.

They used two different climate models, each with a different sensitivity to carbon dioxide, to project California's future under two scenarios: an optimistic one, in which we only double the level of carbon dioxide in the atmosphere — since the 19th century we've already increased it by about a third — and a pessimistic scenario, in which we more than triple CO2.

At the same time, new studies of climate sensitivity — the amount of warming expected for a doubling of carbon dioxide levels from 0.03 to 0.06 percent in the atmosphere — have suggested that most models are too sensitive.

Elisabetta Pierazzo of the Planetary Science Institute in Tucson, Arizona, and colleagues used a global climate model to study how water vapour and sea salt thrown up from an impact will affect ozone levels for years after the event.

The international team of co-authors, led by Peter Clark of Oregon State University, generated new scenarios for temperature rise, glacial melting, sea - level rise and coastal flooding based on state - of - the - art climate and ice sheet models.

The researchers looked at a total of 34 different global climate model outputs, encompassing different degrees of atmospheric sensitivity to greenhouse gases and different levels of human emissions of greenhouse gases into the atmosphere.

That's basic physics and chemistry and people who claim that they don't believe that, they don't believe we're warming the planet through increasing CO2 levels because of climate models, they don't understand the fact that you don't need a climate model to come to that conclusion.

«This new climate model will help us more accurately and quickly provide resource planners with environmental intelligence at the regional level.

New climate models — made by using estimated radiation levels from that time, along with data from the Magellan spacecraft about Venus's current surface — suggest that Venus would have been only 11 °C (52 °F).

Coastal defenses are becoming more important as sea levels rise, he notes, and climate models suggest some parts of the planet will become stormier.

So they created a set of global climate models to analyze the ocean and atmosphere over a 40 - year period, keeping carbon dioxide levels fixed.

Climatologist Stephen Sitch of the Met Office Hadley Centre for Climate Prediction and Research in Exeter, England, and his colleagues used a climate model to examine the impact of rising O3 Climate Prediction and Research in Exeter, England, and his colleagues used a climate model to examine the impact of rising O3 climate model to examine the impact of rising O3 levels.

In climate science, for example, where we don't need an elaborate climate model to understand the basic physics and chemistry of greenhouse gases, so at some level the fact that increased CO2 warms the planet is a consequence of very basic physics and chemistry.

Climate models are not yet able to include full models of the Greenland and Antarctic ice sheets and to dynamically simulate how ice sheet changes influence sea level.

Including the elevation effects in the model increases the estimated sea - level rise by a small but significant amount (5 % enhancement of melt by 2100 and 10 % by 2200 for a climate warming scenario).

Among the implications of the study are that ocean temperatures in this area may be more sensitive to changes in greenhouse gas levels than previously thought and that scientists should be factoring entrainment into their models for predicting future climate change.

Moreover, the impacts of that warming, including sea level rise, drought, floods and other extreme weather, could hit earlier and harder than many models project, said study co-author John Fasullo, a climate scientist at the National Center for Atmospheric Research.

The finding, detailed in the Jan. 22 issue of the journal Nature, suggests that this process could be important to more accurately modeling how Greenland will respond to climate change and contribute to the already 8 inches of global sea level rise since 1900.

Climate models such as those developed at GFDL can help researchers predict future levels of smog, enabling cost - benefit analyses for costly pollution control measures.

Consequences of global sea level rise could be even scarier than the worst - case scenarios predicted by the dominant climate models

Those data, to be collected this year and next, could improve climate models, which account poorly for these atmospheric interactions and contain «horrific» uncertainties about the levels and behaviour of water vapour at stratospheric altitudes, Austin says.

The researchers found climate models that show a low global temperature response to carbon dioxide do not include enough of this lower - level water vapour process.

Now the National Science Foundation (NSF), along with the U.S. Energy and Agriculture departments are teaming up to financially support the development of new computer models aimed at revealing the anticipated effects of climate change at the regional level.

Climate change models have typically underestimated the amount of sea level rise observed over the past century.

O'Gorman studied daily snowfall across the Northern Hemisphere using 20 different climate models, each of which projected climate change over a 100 - year period, given certain levels of greenhouse gas emissions.

The Intergovernmental Panel on Climate Change, an international organization created by the United Nations that produces climate change models, has predicted that sea levels could rise as much as 21 feet (6.4 meters) in the next century if global warming continues unClimate Change, an international organization created by the United Nations that produces climate change models, has predicted that sea levels could rise as much as 21 feet (6.4 meters) in the next century if global warming continues unclimate change models, has predicted that sea levels could rise as much as 21 feet (6.4 meters) in the next century if global warming continues unabated.

The consequences of global sea level rise could be even scarier than the worst - case scenarios predicted by the dominant climate models, which don't fully account for the fast breakup of ice sheets and glaciers, NASA scientists said today (Aug. 26) at a press briefing.

So Nerem and his team used climate models to account for the volcanic effects and other datasets to determine the ENSO effects, ultimately uncovering the underlying sea - level rate and acceleration over the last quarter century.

Climate modeling and observational data suggest the world is already on track to reach dangerous levels of warming by the end of the century, according to the two papers.