Sentences with phrase «on warming projections»

Lehner recently published another study looking at the overlay of population on warming projections.

Not exact matches

Global warming projections show that by 2100, Earth will be 4 degrees C warmer on average.
The long - term warming over the 21st century, however, is strongly influenced by the future rate of emissions, and the projections cover a wide variety of scenarios, ranging from very rapid to more modest economic growth and from more to less dependence on fossil fuels.
The findings were not a total surprise, with future projections showing that even with moderate climate warming, air temperatures over the higher altitudes increase even more than at sea level, and that, on average, fewer winter storm systems will impact the state.
Checking 20 years worth of projections shows that the Intergovernmental Panel on Climate Change has consistently underestimated the pace and impacts of global warming
On March 31 Muller testified in front of Congress and confirmed what mainstream climate scientists had been saying: Earth is warming in line with the projections of climate models.
The IPCC chapter on long - term climate change projections that Wehner was a lead author on concluded that a warming world will cause some areas to be drier and others to see more rainfall, snow, and storms.
«This quantitative attribution of human and natural climate influences on the IPWP expansion increases our confidence in the understanding of the causes of past changes as well as for projections of future changes under further greenhouse warming,» commented Seung - Ki Min, a professor with POSTECH's School of Environmental Science and Engineering.
«The information will be a critical complement to future long - term projections of sea level rise, which depend on melting ice and warming oceans.»
In the midst of an unseasonably warm winter in the Pacific Northwest, a comparison of four publicly available climate projections has shown broad agreement that the region will become considerably warmer in the next century if greenhouse gas concentrations in the atmosphere rise to the highest levels projected in the the Intergovernmental Panel on Climate Change (IPCC) «business - as - usual» scenario.
Decisions made today are made in the context of confident projections of future warming with continued emissions, but clearly there is more to do to better characterize the human and economic consequences of delaying action on climate change and how to frame these issues in the context of other concerns.
I must also announce again, like a broken record, that running averages for March 2006 Canadian high Arctic are totally warm: +5 to 10 degrees C warmer, more again like a Polar model projection 20 years from now due to Polar Amplification as on a previous post on RC.
Bracegirdle, T. J. & Stephenson, D. B. On the robustness of emergent constraints used in multimodel climate change projections of Arctic warming.
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.
Despite these challenges, many future projections based on high - resolution models suggest that anthropogenic warming may cause tropical storms globally to be more intense on average (with intensity increases of 2 — 11 % by 2100).
Climate model projections show a warmer Montana in the future, with mixed changes in precipitation, more extreme events, and mixed certainty on upcoming drought.
Leung emphasized the estimate's conservativeness, noting that the climate projections of warming devised by the U.S. Department of Energy and the National Center for Atmospheric Research are on the low end compared to most other models.
The report also notes that global warming continues to track early IPCC projections based on greenhouse gas increases.
The report also noted that global warming continues to track early IPCC projections based on greenhouse gas increases.
James Screen, a climate researcher at the University of Exeter, said in an email that while the findings are consistent with model projections and look more robust than the studies linking warming to the larger fluctuations of the jet stream, «I'd be cautious pinning the blame on Arctic warming
Differences in projections of warming by the end of the century appear to be related to assumptions made on emission trajectories and the ambitiousness of climate policies beyond 2030 rather than differences in methodology or climate modeling.
This isn't news to top climate scientists around the world (see Hadley Center: «Catastrophic» 5 — 7 °C warming by 2100 on current emissions path) or even to top climate scientists in this country (see US Geological Survey stunner: Sea - level rise in 2100 will likely «substantially exceed» IPCC projections, SW faces «permanent drying») and certainly not to people who follow the scientific literature, like Climate Progress readers (see Study: Water - vapor feedback is «strong and positive,» so we face «warming of several degrees Celsius»).
He bases his hugely bullish projection on a $ 6 trillion market value for gold GCG8, +0.31 % explaining that investors appear to be warming up to the idea that bitcoin is more portable and divisible than the precious metal.
I fell in love with the place immediately for reasons far too numerous to name, but what left the biggest impression on me was the rides: The pitch black skies, French architecture, and warm faux - night air of Pirates of the Caribbean, the ghostly dancing projections in the Haunted Mansion, and the psychedelic thrill of speeding along the stars in Space Mountain (still my favorite).
http://www.nasa.gov/vision/earth/lookingatearth/quikscat-20071001.html In other words, we read in the press that this melt was caused by global warming effects exceeding projections, but it would be more factual to say we are seeing natural effects superimposed on global warming effects over a pretty short time frame over which projections aren't specifically made.
On the other hand, if much of that warming was due to pseudo oscillations not included in the models (AO, NAO, AMO, ENSO, PDO, etc) then their projections may be less valid.
Two recent reviews of research on warming and the oceans in Nature Reports / Climate Change have stressed just how unlikely those high - end sea projections are.
However, this in itself is not enough to define what level of warming is «dangerous,» especially since the projections of actual impacts for any level of warming are highly uncertain, and depend on further factors such as how quickly these levels are reached (so how long ecosystems and society have had to respond), and what other changes are associated with them (eg: carbon dioxide concentration, since this affects plant photosynthesis and water use efficiency, and ocean acidification).
I must also announce again, like a broken record, that running averages for March 2006 Canadian high Arctic are totally warm: +5 to 10 degrees C warmer, more again like a Polar model projection 20 years from now due to Polar Amplification as on a previous post on RC.
Although it is too soon to know whether overall projections for Arctic warming should be changed, the recent temperatures add to uncertainty and raises the possibility of knock - on effects accelerating climate change.
A section of the piece on an emerging disconnect between climate model projections of warming and observations makes it clear that climate modelers have plenty of work to do.
Do you think that in the same way that the Solanki et al paper on solar sunspot reconstructions had a specific statement that their results did not contradict ideas of strong greenhouse warming in recent decades, this (the fact that climate sensitivity projections are not best estimates of possible future actual temperature increases) should be clearly noted in media releases put out by scientists when reporting climate sensitivity studies?
page 30: «Current carbon dioxide emissions are, in fact, above the highest emissions scenario developed by the Intergovernmental Panel on Climate Change (IPCC), implying that if we stay the current course, we're heading for even larger warming than the highest projections from the IPCC.»
Fourteen research teams studying the impacts of warming on the Arctic Ocean have issued independent projections of how the sea ice will behave this summer, and 11 of them foresee an ice retreat at least as extraordinary as last year's or even more dramatic.
This is precisely the problem with comparing short observational time series and model projections that was exemplified in the January 10 blog post («A Spot Check on Global Warming») by your colleague John Tierney.
How big an effect do you feel that this is having on mainsteam climate science's «global warming» projections?
Given the enormous consequences and irreversible losses from global warming should the worst projections play out, the time for improving the flow of information on this subject is clearly now.
He went on to discuss how the original paper's sea - rise projection was, in his view, flawed, but also how the way it was described distracted from overall confidence about rising seas in a warming world.
The projections are based on a midrange scenario for a rise in the heat - trapping emissions linked to global warming.
The release describes new research finding that global warming from the buildup of greenhouse gases will be on the low end of the persistently wide spread of projections by other research groups.
Tornadoes: There was a spate of Instanet attacks on Senator John Kerry yesterday for discussing projections of stronger storms in a warming world in the context of the catastrophic tornado strikes.
The theory of anthropogenic global warming rests solely on computer - model projections into the future.
«Future projections based on theory and high - resolution dynamical models consistently suggest that greenhouse warming will cause the globally averaged intensity of tropical cyclones to shift towards stronger storms,» Knutson et al. (2010); Grinsted et al. (2013) projected «a twofold to sevenfold increase in the frequency of Katrina magnitude events for a 1 °C rise in global temperature.»
Note that the «long, fat tail» of high - end warming projections in AR4 is absent from projections based on more recent science.
In summer and autumn the CSIRO projections were for smaller decreases in rainfall than in winter and spring, but the observed change was a substantial decrease: in fact, as large a decrease between the successive 11 - year periods as CSIRO projected on the high global warming scenario over the 40 - year period from 1990 to 2030.
In the second image, we show projections based on 2 °C (3.6 °F) of warming from carbon pollution.
Projections by Global Warming Science, SPOT ON ACCURACY: 1.
Their strategy relied on the idea that the models that are going to be the most skillful in their projections of future warming should also be the most skillful in other contexts, such as simulating the recent past.
«Future generations will wonder in bemused amazement that the early 21st century's developed world went into hysterical panic over a globally averaged temperature increase of a few tenths of a degree, and, on the basis of gross exaggerations of highly uncertain computer projections combined into implausible chains of inference, proceeded to contemplate a roll - back of the industrial age,» Lindzen was quoted, offering praise for Christopher C. Horner's Politically Incorrect Guide to Global Warming and Environmentalism.
The Intergovernmental Panel on Climate Change (IPCC) failed to prove human CO2 is causing global warming as evidenced by their incorrect projections.
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