Sentences with phrase «ipcc predictions of»

The IPCC predictions of global temperatures 1 ° F warmer by 2011, 2 ° F warmer by 2038, and 10 ° F by 2100 stand little chance of being correct.

Combine this with their assumption that CO2 causes temperature increase, when all records show the opposite, it is not surprising IPCC predictions of temperature increase are consistently wrong.

Another slide describes the «major uncertainties with IPCC predictions of the future.»

g) there is no reason to doubt the IPCC predictions of 3 degrees warming and 9 feet sea level rise by 2100.

Monckton didn't actually get his Fantasy IPCC predictions of temperature evolution from AOGCM runs.

Instead, he inappropriately fed his Fantasy IPCC predictions of CO2 concentration into equations meant to describe the EQUILIBRIUM model response to different CO2 concentrations.

The IPCC predictions of global warming imply that, at the very least, millions of people will die as a result of climate change, much like the casualty numbers in World Wars I and II.

There are others (at least William Connolley, Brian Schmidt) who are more than willing to take you on if you disagree with the IPCC prediction of 0.1 - 0.2 C per decade for the near future.

Castles and Henderson have pointed out that the storylines used to produce IPCCs predictions of future warming are based on ludicrously improbable economic assumptions.»

Compare that with the IPCC prediction of circa 3 degrees.

That is indeed close to the IPCC prediction of 0.2 C / decade.

Granted, the trend of this period is a mere 1 / 3rd of the IPCC prediction of 0.2 C / decade, but what this tells us is the presence of decadal trends might tell us almost nothing about the climate regime we are observing.

As just one example, the failure of the IPCC prediction of 0.2 C warming for the first decade of the 21st century has been rationalized in many ways: «it was correct except for... unplanned natural variability, an unexpected shift in ENSO, above - normal human aerosols, etc.» (add in any rationalization that sounds good at the time).

Not exact matches

Most of the predictions made by the IPCC have either come true, or were grossly understating the scale of the problem.

The IPCC has backed off from some of the predictions in its last report, in 2007, and in earlier drafts.

Given that we now have several years more data, we can essentially «test» the IPCC predictions and we arrive at the conclusion (i.e., message 1) that the climate system is tracking the «worst case scenario» (or worse in the case of ice melt and sea - level rise) presented by the IPCC.

Saunders also defended the study's use of medium - to - high emissions estimates from the IPCC, saying he expects the international body to issue even higher greenhouse gas predictions in its next five - year study, in 2012.

Taking nitrogen and phosphorus into account brought down the researchers» average prediction of annual global carbon storage by 25 % compared with the IPCC figures, the team reports online today in Nature Geoscience.

The IPCC's latest prediction for sea level rise — 0.2 to 0.6 metres by 2100 — takes this ice loss into account but it is based on the assumption that the rate of ice loss will remain constant.

Woodworth couldn't find any evidence to support the proposed sea level fall posited by Mörner and concludes that the IPCC's prediction remains the most reliable scenario for to the future of the Maldives.

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.

Unlike the IPCC scenarios, Hansen is actually trying to make a prediction of what is likely to happen.

After a general trashing of various things including surface observations and climate models, he admitted that his prediction for the globally - averaged warming (of ~ 1.5 C by 2100) is within the IPCC range... albeit at the low end.

It explains the findings of the 4th IPCC report: «Dire Predictions: Understanding Global Warming — The Illustrated Guide to the Findings of the IPCC.»

The area of summertime sea - ice during 2007 - 2009 was about 40 % less than the average prediction from IPCC AR4 climate models.

The Met Office Hadley Centre (Hadley Centre for Climate Prediction and Research) climate change model, Hadley Centre Coupled Model, version 3 (HadCM3)[53], a coupled atmosphere - ocean general circulation model, was used for the time intervals 2020, 2050 and 2080 (note these date represent a time windows of ten years either side of the time interval date, i.e. 2020 is an average of the years 2010 — 2029, 2050 for 2040 — 2059 and 2080 for 2070 — 2089), under three emission scenarios of the IPCC Special Report on Emissions Scenarios (SRES)[54]: scenario A1B (maximum energy requirements; emissions differentiated dependent on fuel sources; balance across sources), A2A (high energy requirements; emissions less than A1 / Fl) and B2A (lower energy requirements; emissions greater than B1).

Sea - level prediction revised: By 2100, global sea - level is likely to rise at least twice as much as projected by Working Group 1 of the IPCC AR4, for unmitigated emissions it may well exceed 1 meter.

The temperature sensitivity of the global temperature to a doubling of CO2 is way less than the IPCC predictions.

After a general trashing of various things including surface observations and climate models, he admitted that his prediction for the globally - averaged warming (of ~ 1.5 C by 2100) is within the IPCC range... albeit at the low end.

The fact that the hindcasts with their method perform worse than a standard IPCC scenario, the number of failed previous cooling predictions, the negative skill in the Gulf Stream and deep - water formation regions... should these not have cautioned them against going to the media to forecast a pause in global warming?

p.s. To compare to Vahrenholt's forecast, here's a comparison of earlier model projections of global temperature for the IPCC (prediction with the CMIP3 model ensemble used in the 4th IPCC assessment report, published in 2007) with the actual changes in temperature (the four colored curves).

Since the latest data from around the globe seems to indicate that the Klimakatastrophe is progressing even more rapidly than the worst - case scenario of the IPCC (e.g. increasing glacier melting rate, decreasing oceans» ability to absorb CO2), I tend to believe Lovelock's predictions are spot on.

Rather than saying «The IPCC predictions are ironclad», simply include them as one of the boundary condition sets (toward the low end).

The IPCC predictions are serious enough without some of the alarmist tendencies to overstate things about runaway greenhouse effect or oceans rising multiple feet.

Three IPCC climate models, recent NASA Aqua satellite data, and a simple 3 - layer climate model are used together to demonstrate that the IPCC climate models are far too sensitive, resulting in their prediction of too much global warming in response to anthropogenic greenhouse gas emissions.

I would bet that the IPCC prediction for the first three decades of this century as I understand it (0.2 degrees per decade) overstates the amount of global warming we will actually experience.

Hi, when I am discussing with climate skeptics, they often refer to the third report of the IPCC (page 774): «In climate research and modelling, we should recognise that we are dealing with a coupled non-linear chaotic system, and therefore that the long - term prediction of future climate states is not possible.»

Unlike the IPCC scenarios, Hansen is actually trying to make a prediction of what is likely to happen.

For is it not true that the IPCC is comprised of a wide range of scientist and they all must agree on the content of their reports, that some of said scientists are either on the payroll of oil - dependent nations or are politically conservative, and that the IPCC predictions have consistently underestimated the effects of climate change in terms of temperature rise, sea level rise, ice cap diminution, etc..?

Those things that are the cornerstone of the IPCC's predictions of future climate?

Specifically, the IPCC 2007 Report represents the consensus predictions, to the 80 % confidence level, of respected climate scientists.

The question would be is anyone prepared to apply the logic that the IPCC uses to indict human activities to acquit if model predictions don't hold up to the test of time?

«Based on the predictions of IPCC, we can expect many more natural disasters.

2) The UN once again displayed its intolerance for dissenting opinion as it squelched a team of scientists attending the conference who were promoting an abundance of peer - reviewed scientific data debunking the IPCC predictions.

First is the identification of a runaway condition in outflow glaciers of the West Antarctic ice sheet that makes the IPCC prediction for year - 2100 sea level rise clearly obsolete.

Do you mean, that getting SLR in xs of the std IPCC prediction means this?

Atmospheric CO2 concentration wouldn't be treated as such a big deal if it didn't affect temperature; so of course Lord Monckton has tried to show that the Fantasy IPCC «predictions» of CO2 concentration he made up translate into overly high temperature predictions.

As the increasing levels of anthropogenic CO2 used for climate prediction are essentially predicated by the increase in economic activity world - wide and the effects thereof, has the IPCC's SRES model been adjusted in the light of the criticisms made by Castles and Henderson in 2002/3 and subsequently presented at the IPCC TGCIA meeting in Amsterdam, Jan 2003?

The IPCC doesn't make predictions of future atmospheric CO2 concentrations.

[Response: The AR4 suite of GCM predictions for the newest IPCC report are now available online.