Sentences with phrase «on global climate projections»

They used this data compilation to evaluate the quality of their regional atmospheric climate model, based on global climate projections that included several scenarios of anticipated climate change.

Not exact matches

These high - resolution projections, based on global climate models, predict when and where annual coral bleaching will occur.
Checking 20 years worth of projections shows that the Intergovernmental Panel on Climate Change has consistently underestimated the pace and impacts of global warming
But projections spelled out in a new report reviewing the issue by the Pew Center on Global Climate Change suggests that by 2050 the total amount of carbon pollution from these sources could increase tenfold, depending on population, economics, and technology trends.
«When we look forward several decades, climate models predict such profound loss of Arctic sea ice that there's little doubt this will negatively affect polar bears throughout much of their range, because of their critical dependence on sea ice,» said Kristin Laidre, a researcher at the University of Washington's Polar Science Center in Seattle and co-author of a study on projections of the global polar bear population.
Since 1880, 531 gigatons have been emitted and emissions should not exceed 800 gigatons of C for a better than 50 - 50 chance at keeping global temperature rise below 2 degree C.) «We can not emit more than 1000 billion tons of carbon,» Stocker says, noting that the IPCC numbers on which such regional and global climate projections are made will be available to anyone.
The findings, published in the journal Global Change Biology, are based on spatial and statistical analyses of historical climate data, satellite data on current vegetation, and projections of potential vegetation under climate change.
Understanding how well climate models represent these processes will help reduce uncertainties in the model projections of the effects of global warming on the world's water cycle.
The climate projections show on this map are based on Representative Concentration Pathway 2.6, 4.5, and 8.5 (van Vuuren et al., 2012) experiments run by global climate models participating in the Coupled Model Intercomparison Project Phase 5 (CMIP5) exercise (Taylor et al., 2012).
Global climate projections from the Intergovernmental Panel on Climate Change, showing temperature and precipitation trends for two different future scenarios, as described in the Climate chapter of this assessment (IPCC climate projections from the Intergovernmental Panel on Climate Change, showing temperature and precipitation trends for two different future scenarios, as described in the Climate chapter of this assessment (IPCC Climate Change, showing temperature and precipitation trends for two different future scenarios, as described in the Climate chapter of this assessment (IPCC Climate chapter of this assessment (IPCC 2014a).
To derive the climate projections for this assessment, we employed 20 general circulation models to consider two scenarios of global carbon emissions: one where atmospheric greenhouse gases are stabilized by the end of the century and the other where it grows on its current path (the stabilization [RCP4.5] and business - as - usual [RCP8.5] emission scenarios, respectively).
The paper prompted a MailOnline headline of, «Projections of global drought and flood may be flawed», while the Australian followed suit with, «Climate model projections on rain and drought wrong, study sProjections of global drought and flood may be flawed», while the Australian followed suit with, «Climate model projections on rain and drought wrong, study sprojections on rain and drought wrong, study says».
The big takeaway from this study: While there is uncertainty in projections for changes in the climate indices reviewed here (especially El Niño and La Niña), this study serves to alert us to the fact that the climate impacts that our local coastal communities face are based in large part on changes that occur on both a large, global scale and over the long, decadal term.
Known as a «co-benefit,» using state of the art models for human and natural systems, along with climate projections from the international community, the team was able for the first time to put a value on the global air pollution benefits of cutting greenhouse gas emissions over the 21st century.
Chris Field, the director of the department of global ecology for the Carnegie Institution, was widely cited for warning last month that emissions of greenhouse gases were already exceeding recent projections by the Intergovernmental Panel on Climate Change, of which he was a member.
Massachusetts Institute of Technology Joint Program on the Science and Policy of Global Change Uncertainty Analysis of Global Climate Change Projections: http://web.mit.edu/globalchange/www/rpt73.html
I accept GCM's have been validated for projection of global climate change, but their record on the cryosphere is woeful.
How big an effect do you feel that this is having on mainsteam climate science's «global warming» projections?
The figure at the end of this comment by Jim Hansen demonstrates that projections of global mean climate presented in a 1988 senate hearing (17 years ago) have actually been right on the money
In light of the diversity in the literature, we concentrate on references to applications since 1995 and based on recent global climate change projections.
The Intergovernmental Panel on Climate Change (IPCC) failed to prove human CO2 is causing global warming as evidenced by their incorrect projections.
On the simulation of Laurentian Great Lakes water levels under projections of global climate change
A paper published in Nature Climate Change, Frame and Stone (2012), sought to evaluate the FAR temperature projection accuracy by using a simple climate model to simulate the warming from 1990 through 2010 based on observed GHG and other global heat imbalance cClimate Change, Frame and Stone (2012), sought to evaluate the FAR temperature projection accuracy by using a simple climate model to simulate the warming from 1990 through 2010 based on observed GHG and other global heat imbalance cclimate model to simulate the warming from 1990 through 2010 based on observed GHG and other global heat imbalance changes.
The global average sea level has already risen by about eight inches since 1901, with up to another two and a half feet of sea level rise possible by 2100, according to the most recent projections from the U.N. Intergovernmental Panel on Climate Change.
Given the increased levels of certainty regarding human - induced global warming (from 90 to 95 %), more robust projections on sea - level rise and data on melting of ice sheets, and the «carbon budget» for staying below the 2 °C target, the WGI conclusions together with other AR5 component reports are likely to put more pressure on the UNFCCC parties to deliver by 2015 an ambitious agreement that is capable of preventing dangerous anthropogenic interference with the climate system.
In reality, the observed global warming has been spot - on consistent with climate model projections.
Niklas Höhne of NewClimate Institute said: «Over the last year, governments have made substantial steps in improving climate policies, and this has had a discernible effect on global emissions projections.
«A semi-empirical approach to projecting future sea - level rise» «Testing the robustness of semi-empirical sea level projections» «Kinematic constraints on glacier contributions to 21st - century sea - level rise» «Contribution of Antarctica to past and future sea level rise» «Global sea level rise scenarios for the United States National Climate Assessment» «Reconstructing sea level from paleo and projected temperatures 200 to 2100AD» «Global sea level linked to global temperature» «Upper limit for sea level projections by 2100&Global sea level rise scenarios for the United States National Climate Assessment» «Reconstructing sea level from paleo and projected temperatures 200 to 2100AD» «Global sea level linked to global temperature» «Upper limit for sea level projections by 2100&Global sea level linked to global temperature» «Upper limit for sea level projections by 2100&global temperature» «Upper limit for sea level projections by 2100»
It is astounding that dangerous man - made global warming fanatics like Obama and Prince Charles, in addition to all those climate change charlatans at various academies of science such as The Royal Society, prefer to ignore real word observational data on climate and solar activity, in favour of psuedo - science and climate models that consistently have failed in their scenarios and projections.
This is a more robust way of assessing risks, including from climate, than using the approach adopted by the Intergovernmental Panel on Climate Change (IPCC) which is primarily based on downscaling from multi-decadal global climate model projeclimate, than using the approach adopted by the Intergovernmental Panel on Climate Change (IPCC) which is primarily based on downscaling from multi-decadal global climate model projeClimate Change (IPCC) which is primarily based on downscaling from multi-decadal global climate model projeclimate model projections.
Sea - level projections by the Intergovernmental Panel on Climate Change (IPCC), by our research group and by others indicate that global average sea level at the end of the century would likely be about 1 - 2.5 feet higher under the Paris path than in 2000.
Despite all the ludicrous adjustment machinations this newest NOAA revision relies on, the per century global warming trend fabricated (for the 1998 to 2012 period) remains well below even the IPCC's average climate model projections.
Here seven GVMs are used to investigate possible responses of global natural terrestrial vegetation to a major new set of future climate and atmospheric CO2 projections generated as part of the fifth phase of the Coupled Model Intercomparison Project (CMIP5)(6), the primary climate modeling contribution to the latest Intergovernmental Panel on Climate Change asseclimate and atmospheric CO2 projections generated as part of the fifth phase of the Coupled Model Intercomparison Project (CMIP5)(6), the primary climate modeling contribution to the latest Intergovernmental Panel on Climate Change asseclimate modeling contribution to the latest Intergovernmental Panel on Climate Change asseClimate Change assessment.
The authors observe that wide variations in rates of tectonic uplift and subsidence in different locations around the world at particular times mean no effective coastal management plan can rest upon speculative computer projections regarding an idealised future global sea level, such as those provided by the United Nations» Intergovernmental Panel on Climate Change (IPCC).
Projections were based on a suite of eight global climate models driven by three emission scenarios to project potential climate responses for the 2050s period (2041 — 2070).
Depending on the global climate model (s) underpinning the projection, emergence timescales range between 120 and 550 years, reflecting a large uncertainty.
Climate scientists don't like to get pinned down on making date - specific projections about the effects of global warming.
The authors drew on results from global climate models and then created projections for variables like rainfall and temperatures for seven regions across the state.
Figure 3: Global mean temperature measurements (black) and projections based on an IPCC scenario with high emissions (A2) for a climate sensitivity parameter of 5 °C (upper red) and 2 °C (upper blue).
They said we would see immediate and ongoing sharp rises in temperatures and produced projections to show that, based on the output of the Global Climate Models.
ECMWF as the Entrusted Entity for the Copernicus Climate Change Service (C3S) has issued and / or will issue ITTs for providing access to climate projections at global and regional level, developing multi-model products focussed on projected values of Essential Climate Variables (ECVs), assessing the potential benefit of improving specific aspects in the production of climate projections (e.g. with respect to the standards specified in international inter-comparison projects), and filling recognized gaps in the production of regional projeClimate Change Service (C3S) has issued and / or will issue ITTs for providing access to climate projections at global and regional level, developing multi-model products focussed on projected values of Essential Climate Variables (ECVs), assessing the potential benefit of improving specific aspects in the production of climate projections (e.g. with respect to the standards specified in international inter-comparison projects), and filling recognized gaps in the production of regional projeclimate projections at global and regional level, developing multi-model products focussed on projected values of Essential Climate Variables (ECVs), assessing the potential benefit of improving specific aspects in the production of climate projections (e.g. with respect to the standards specified in international inter-comparison projects), and filling recognized gaps in the production of regional projeClimate Variables (ECVs), assessing the potential benefit of improving specific aspects in the production of climate projections (e.g. with respect to the standards specified in international inter-comparison projects), and filling recognized gaps in the production of regional projeclimate projections (e.g. with respect to the standards specified in international inter-comparison projects), and filling recognized gaps in the production of regional projections.
Precipitation projections, for example, are important for many impacts studies — of freshwater availability, agricultural production, and development of water - hungry industries — but global climate models differ wildly on precipitation in African locales.
Radic and colleague Regine Hock of the University of Alaska used temperature and precipitation projections from 10 global climate models used by the Intergovernmental Panel on Climate Change (IPCC) for their reclimate models used by the Intergovernmental Panel on Climate Change (IPCC) for their reClimate Change (IPCC) for their research.
The global climate models used by the Intergovernmental Panel on Climate Change were never intended to provide rainfall trend projections for every climate models used by the Intergovernmental Panel on Climate Change were never intended to provide rainfall trend projections for every Climate Change were never intended to provide rainfall trend projections for every region.
Dana Nuccitelli presented a talk on climate model accuracy — comparing past global temperature projections to observations, and effectively debunking associated myths.
The international scientific community's new assessment of the estimated sea level rise caused by global warming is a significant development, but experts say the projections for higher sea levels in the Intergovernmental Panel on Climate (IPCC) assessment report (AR5) are still on the low side.
The CM2 Global Coupled Climate Models (CM2.X) provide datasets showing general climate conditions during the 20th century and projections into the 21st century based on various climate sceClimate Models (CM2.X) provide datasets showing general climate conditions during the 20th century and projections into the 21st century based on various climate sceclimate conditions during the 20th century and projections into the 21st century based on various climate sceclimate scenarios.
Politically, Hansen's new projections amount to a huge headache for diplomats, activists, and anyone else hoping that a much - anticipated global climate summit the United Nations is convening in Paris in December will put the world on a safe path.
Since most global warming concern (including that behind regulatory action) stems from the projections of climate models as to how the earth's temperature will evolve as we emit greenhouse gases into the atmosphere (as a result of burning fossil fuels to produce energy), it is important to keep a tab on how the model projections are faring when compared with reality.
The uncertainties in climate projections originate in the representation of processes such as clouds and turbulence that are not resolvable on the computational grid of global models.
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