Sentences with phrase «climate models account»
Whatever the reason for shifts, the results demonstrate the importance of climate models accounting for the region's winds.
https://www.scientificamerican.com/ Not exact matches
Nonetheless, Tesla plans to replace all early Model S power steering bolts in all climates worldwide to account for the possibility that the vehicle may later be used in a highly corrosive environment.
Ribal et al. (2015) describe an optimization model (goal programming), which was used to design meals for school canteens by taking into account nutritional, climate change, and economic aspects.
Cronin says current climate models don't account for these sharp gradients, which could churn the atmosphere above.
The new study builds on this earlier research, extending the projections globally using a variety of climate models and taking into account future population growth.
They said the real strength of the Jacobson study — now in press at the Journal of Geophysical Research - Atmospheres — is that it relies on a new computer model of climate, air pollution and weather that accounts for several different ways black carbon influences the environment.
Global climate models need to account for what Meehl calls «slowly varying systems» — how warmer air gradually heats the ocean, for example, and what effect this warming ocean then has on the air.
CUMULUS CAUSALITY In «A Formula for Economic Calamity,» by David H. Freedman, David Colander of Middlebury College asserts that climate models often have no terms to account for the effects of clouds.
In fact, the climate science literature is replete with papers that call out the challenges of accurately accounting for clouds in models.
FREEDMAN REPLIES: Rood is right to point out that climate models are often designed to try to account for clouds.
Many previous models also assume independence between climate models, whereas this paper accounts for commonalities shared by various models — such as physical equations or fluid dynamics — and correlates between data sets.
Satellite measurements and a model of how efficiently maize converts that light to mass, reveal that solar brightening, an increase in the sunlight penetrating the atmosphere and reaching Earth, accounted for 27 % of the yield increase U.S. Corn Belt farmers have observed between 1984 and 2013, researchers report today in Nature Climate Change.
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).
Models of future climate scenarios have taken insufficient account of population patterns and trends, according to a UCL review to be published in the print edition of The Lancet in November 2013.
Taking these factors into account, Ming Xu of Rutgers University in New Brunswick, New Jersey, and colleagues have modelled how pandas» geographical range could be further affected by climate change.
These «integrated assessment models» accounted for energy use, the economy, and climate and the way these different systems interact with one another.
«Most modeling studies that look at the impact of climate change on crop yield and the fate of agriculture don't take into account whether the water available for irrigation will change,» Monier says.
Vahmani and Jones used a high - resolution regional climate model for their analysis; Vahmani then added a component to the model to account for irrigation water.
Then they plugged that into simulations that took into account climate models and two different carbon emissions scenarios identified by the Intergovernmental Panel on Climate climate models and two different carbon emissions scenarios identified by the Intergovernmental Panel on Climate Climate Change.
Further, current models used to predict the release of climate - active CO2 from soils fail to account for these microscopic, oxygen - free zones present in many upland soils, they say.
Furthermore, climate models for every ecosystem need to better account for organisms such as termites and mussels that «engineer their own environment,» Huisman said.
The model also accounted for natural drivers of change, including the direct influence of increased carbon dioxide on ocean - carbon uptake and the indirect effect that a changing climate has on the physical state of the ocean and its relationship to atmospheric carbon dioxide.
Even models that correctly capture cloud behavior may fail to fully account for other climate feedbacks from factors like changing snow and sea ice cover, atmospheric water vapor content, and temperature.
Yet these two key nutrients are not particularly well accounted for in climate models.
The new model is the first to document and quantify this new feedback — one that is not accounted for in climate models, says Jason Box, an ice scientist at the Geological Survey of Denmark and Greenland in Copenhagen, who has documented rising impurities at a local scale during field campaigns.
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.
«At present, these effects are not generally accounted for in climate model prediction studies,» study co-author J. T. Kiehl of NCAR notes.
To account for the influence of chaos, climate scientists run the models repeatedly, with slightly different starting conditions.
Current climate models do not take into account glacial flow and therefore underestimate the impact of glacial melt and the calving of ice flows, the researchers argue in a paper detailing the findings in today's Science.
Global climate models do not yet take such impacts into account.
The researchers showed that the climate change models used by the IPCC underestimate Africa's emissions, which could account for 20 - 55 % of global anthropogenic emissions of gaseous and particulate pollutants by 2030.
And most models looking at future climate change scenarios did not account for aerosols in the stratosphere.
«Wandering greenhouse gas: Climate models need to take into account the interaction between methane, the Arctic Ocean and ice.»
They paint a more optimistic picture for the lynx's survival, but the models clearly show that release programs also need to account for future climate change in order to achieve the best possible result.
The glacier idea got another boost with recently developed climate models for Mars that take into account changes in the planet's axis tilt.
«Prior climate models didn't take into account how natural phytoplankton populations vary in their ability to take up key nutrients, «said Martiny.
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.
Because the climate model already accounts for the amount of the sun's energy blocked by different types of airborne particles, it was not a stretch to estimate the particles» effects on solar energy.
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.
Meehl and his colleagues used two sophisticated computer models of global climate to predict what would happen under various scenarios for greenhouse gas emission controls, taking into account the oceanic time lag.
Our work shows that this way of thinking is outdated, and we may be grossly under - accounting for methane in our existing climate models.»
These actions produced models that account for the influence of smaller features than can be resolved in a global climate model and yielded composite climate scenarios suitable for analysis of specific local climate impacts.
The Working Group has focused its efforts at several levels of modeling to account for human risk perception and how this might be incorporated in climate models.
Nevertheless, said Fernández - Méndez, «the results stress the importance of taking biological processes into account in climate models.»
I also believe that hydrologists and meteorologists should be making efforts to account for climate change in meteorology and hydrology, modeling and predictions.
Has this positive feedback been taken into account in climate model reruns of climate in the distant past?
Click here for Part II, an accounting of Exxon's early climate research; Part III, a review of Exxon's climate modeling efforts; Part IV, a dive into Exxon's Natuna gas field project; Part V, a look at Exxon's push for synfuels; Part VI, an accounting of Exxon's emphasis on climate science uncertainty.
Is the suns radiation still increasing over what it was in the past and do the climate models take this into account?
«Perhaps as the surface warms the atmosphere has a capacity to release warmth to space in a way the climate models don't take into account.»
The climate models had a more difficult time showing early Mars as warm and wet, however, even with the thicker atmosphere, clouds, and dust taken into account.