Sentences with phrase «of global climate projections»

Giorgi & Bi [6] analysed temperature and precipitation changes for 26 land regions using an ensemble of global climate projections that were forced by the Special Report on Emissions Scenarios (SRES) A1B scenario [7].

Basically, global fire research is at quite an early stage... There really are very few attempts to do this, due to the complexity of the problem and the number of global climate projections to incorporate.

Not exact matches

«New source of global nitrogen discovered: Rocks could hold key to carbon storage and improved global climate projections.»

For projections of future temperature and precipitation during the near future (2021 - 2050) and the far future (2071 - 2100), the researchers used 11 different global climate models.

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.

However, in light of our substantiation of the effects of «grand solar minima» upon past global climates, it could be speculated that the current pausing of «Global Warming», which is frequently referenced by those sceptical of climate projections by the IPCC, might relate at least in part to a countervailing effect of reduced solar activity, as shown in the recent sunspot cycle.&global climates, it could be speculated that the current pausing of «Global Warming», which is frequently referenced by those sceptical of climate projections by the IPCC, might relate at least in part to a countervailing effect of reduced solar activity, as shown in the recent sunspot cycle.&Global Warming», which is frequently referenced by those sceptical of climate projections by the IPCC, might relate at least in part to a countervailing effect of reduced solar activity, as shown in the recent sunspot cycle.»

The goals of the project include reconstructing extreme climate changes from the recent past (1894 - 2014), using historically referenced data to assess near - future global climate model projections, and to ultimately use this analysis to investigate ecological problems in Chesapeake Bay, such as eelgrass diebacks.

Checking 20 years worth of projections shows that the Intergovernmental Panel on Climate Change has consistently underestimated the pace and impacts of global warming

Our record is also of interest to climate policy developments, because it opens the door to detailed comparisons between past atmospheric CO2 concentrations, global temperatures, and sea levels, which has enormous value to long - term future climate projections.»

The recent slowdown in global warming has brought into question the reliability of climate model projections of future temperature change and has led to a vigorous debate over whether this slowdown is the result of naturally occurring, internal variability or forcing external to Earth's climate system.

«It is important to take the global projections and zoom them in to regional and local levels to better understand the societal impacts of climate change,» Pal says.

The new IRI director, Brazilian meteorologist Antonio Divino Moura, and his 15 to 20 staff scientists will use supercomputers to develop global projections of several months or more of precipitation, temperature, and other climate variables, says Scripps climate scientist Nicholas Graham.

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.

While climate researchers struggle to refine their projections of the changing global climate and to anticipate the social impact of those shifts, a growing number of scientists are realizing that the past may contain valuable lessons about our future.

Scientists have developed and used Global Climate Models (GCMs) to simulate the global climate and make projections of future AT and other climatic variables under different carbon emission scenarios in the 21st ceGlobal Climate Models (GCMs) to simulate the global climate and make projections of future AT and other climatic variables under different carbon emission scenarios in the 21st cClimate Models (GCMs) to simulate the global climate and make projections of future AT and other climatic variables under different carbon emission scenarios in the 21st ceglobal climate and make projections of future AT and other climatic variables under different carbon emission scenarios in the 21st cclimate and make projections of future AT and other climatic variables under different carbon emission scenarios in the 21st century.

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.

The IPCC wishes to destroy the world economy and starve the world of energy and food at a cost of $ 76 trillion over the next 40 year's (UN estimate), to keep global temps below 2C, when even their wildly pessimistic and disconfirmed projections (formally known as predictions) now suggest that climate sensitivity could be as low as 1.5 C, without spending a dime.

Climate projections need to account for enhanced warming due to global warming feedbacks as discussed by James Zachos, professor of Earth sciences at the University of California, Santa Cruz at the annual meeting of the American Association for the Advancement of Science (AAAS) in St. Louis in Feb, 2006.

Themes: Aerosols, Arctic and Antarctic climate, Atmospheric Science, Climate modelling, Climate sensitivity, Extreme events, Global warming, Greenhouse gases, Mitigation of Climate Change, Present - day observations, Oceans, Paleo - climate, Responses to common contrarian arguments, The Practice of Science, Solar forcing, Projections of future climate, Climate in the media, Meeting Reports, Miscellclimate, Atmospheric Science, Climate modelling, Climate sensitivity, Extreme events, Global warming, Greenhouse gases, Mitigation of Climate Change, Present - day observations, Oceans, Paleo - climate, Responses to common contrarian arguments, The Practice of Science, Solar forcing, Projections of future climate, Climate in the media, Meeting Reports, MiscellClimate modelling, Climate sensitivity, Extreme events, Global warming, Greenhouse gases, Mitigation of Climate Change, Present - day observations, Oceans, Paleo - climate, Responses to common contrarian arguments, The Practice of Science, Solar forcing, Projections of future climate, Climate in the media, Meeting Reports, MiscellClimate sensitivity, Extreme events, Global warming, Greenhouse gases, Mitigation of Climate Change, Present - day observations, Oceans, Paleo - climate, Responses to common contrarian arguments, The Practice of Science, Solar forcing, Projections of future climate, Climate in the media, Meeting Reports, MiscellClimate Change, Present - day observations, Oceans, Paleo - climate, Responses to common contrarian arguments, The Practice of Science, Solar forcing, Projections of future climate, Climate in the media, Meeting Reports, Miscellclimate, Responses to common contrarian arguments, The Practice of Science, Solar forcing, Projections of future climate, Climate in the media, Meeting Reports, Miscellclimate, Climate in the media, Meeting Reports, MiscellClimate in the media, Meeting Reports, Miscellaneous.

Why It Matters: To arrive at regional and global climate projections, scientists must consider thousands of complex variables to simulate climate processes.

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.

«This work was a foundational reference case for the recently released RCP4.5 model scenario, one of four scenarios that will be used by modeling groups around the globe to make realistic projections of future climate change,» said Dr. Steven J. Smith, scientist at the Joint Global Change Research Institute, a partnership between PNNL and the University of Maryland, and lead research author.

For example, the criticisms of James Hansen's 1988 global warming projections never go beyond «he was wrong,» when in reality it's important to evaluate what caused the discrepancy between his projections and actual climate changes, and what we can learn from this.

This understanding will help scientists improve global climate projections and predictions of extreme weather and climate change.

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).

This combination of uncertain projections, local and global effects, and potential for human adaptation makes it difficult to attribute current, much less future, changes and trends in Montana agriculture solely to climate change.

Much of the uncertainty in projections of global climate change is due to the complexity of clouds, aerosols, and cloud - aerosol interactions, and the difficulty of incorporating this information into climate models.

As the basis for the chapter to follow, we provide summaries of the scaled - down global climate model projections for each of these climate variables below.

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».

Our new study links a framework for global and local sea - level rise projections with simulations of two major mechanisms by which climate change can affect t...

This study links a framework for global and local sea - level rise projections with simulations of two major mechanisms by which climate change can affect the vast Antarctic ice sheet.

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.

Burke, E.J., S.J. Brown, and N. Christidis, 2006: Modelling the recent evolution of global drought and projections for the 21st century with the Hadley Centre climate model.

Scientists are using airborne observations of atmospheric trace gases, aerosols, and cloud properties from the North Slopes of Alaska to improve their understanding of global climate, with the goal of reducing the uncertainty in global and regional climate simulations and projections.

1) global climate model - driven projections of thermal expansion, atmosphere / ocean dynamics, and glacier melt,

Ultimately of course the climate models are essential to provide much more refined projections of climate change than would be available from the global mean quantities that result from an analysis of the present sort.

Climate projections need to account for enhanced warming due to global warming feedbacks as discussed by James Zachos, professor of Earth sciences at the University of California, Santa Cruz at the annual meeting of the American Association for the Advancement of Science (AAAS) in St. Louis in Feb, 2006.

Does this prediction and the confidence with which it is made «The quasi-regularity of some natural climate forcing mechanisms, combined with knowledge of human - made forcings, allows projection of near - term global temperature trends with reasonably high confidence», reflect the consensus of climate scientists, in your opinion?

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

Global climate model projections (in CMIP3 at least) appear to underestimate sea ice extent losses with respect to observations, though this is not universally true for all models and some of them actually have ensemble spreads that are compatible with PIOMAS ice volume estimates and satellite observations of sea ice extent.

Being an engineer, and at least having a slight appreciation for the complexity of the global climate and associated feedback systems, and the challenges of long term future projections, I couldn't help but wonder if there might be some other climate systems in play that have not yet been discovered.

Even if the study were right... (which it is not) mainstream scientists use * three * methods to predict a global warming trend... not just climate computer models (which stand up extremely well for general projections by the way) under world - wide scrutiny... and have for all intents and purposes already correctly predicted the future -(Hansen 1988 in front of Congress and Pinatubo).

These results provide quantitative evidence of the reliability of water vapor feedback in current climate models, which is crucial to their use for global warming projections.

I would like to see discussion about the most recent period of rapid global warming... leading to the Paleocene Eocene Thermal Maximum (PETM) about 55 million years ago... including differences and similarities to the climate projections for this century... and beyond.

Gerald A. Meehl, Haiyan Teng & Julie M. Arblaster, National Center for Atmospheric Research, Boulder, Colorado 80307, USA (http://www.nature.com/nclimate/journal/v4/n10/full/nclimate2357.html): «The slowdown in the rate of global warming in the early 2000's is not evident in the multi-modal ensemble average of traditional climate change projection simulations.»

Summary for Policymakers Chapter 1: Introduction Chapter 2: Observations: Atmosphere and Surface Chapter 3: Observations: Ocean Chapter 4: Observations: Cryosphere Chapter 5: Information from Paleoclimate Archives Chapter 6: Carbon and Other Biogeochemical Cycles Chapter 7: Clouds and Aerosols Chapter 8: Anthropogenic and Natural Radiative Forcing Chapter 8 Supplement Chapter 9: Evaluation of Climate Models Chapter 10: Detection and Attribution of Climate Change: from Global to Regional Chapter 11: Near - term Climate Change: Projections and Predictability Chapter 12: Long - term Climate Change: Projections, Commitments and Irreversibility Chapter 13: Sea Level Change Chapter 14: Climate Phenomena and their Relevance for Future Regional Climate Change Chapter 14 Supplement Technical Summary