The reason the instrumental studies
predict less warming isn't obvious.
«Climate sceptics like to criticize climate models for getting things wrong, and we are the first to admit they are not perfect, but what we are finding is that the mistakes are being made by those models which
predict less warming, not those that predict more,» said Prof. Sherwood.
Not exact matches
On one hand, areas of high climatic stability are
predicted to
warm less than the global average.
«For the most part I agree with the [Intergovernmental Panel on Climate Change], that adding CO2 to the atmosphere will cause some
warming,» Spencer said, adding that the temperature rise will be much
less than the panel
predicts.
«I would have
predicted that lizards were
less vulnerable to
warming.»
Despite the strong
warming trend of the past 15 years, worldwide temperatures have risen
less than models
predict, given the build - up of carbon dioxide in the air to 25 per cent above pre-industrial levels.
And since lightning strikes are
predicted to increase in a
warming world... we may end up seeing
less of the Sun itself... but more of its electrifying influence.
Realistic large - scale solar panel coverage could cause
less than half a degree of local
warming, far
less than the several degrees in global temperature rise
predicted over the next century if we keep burning fossil fuels.
The implicit assumption here is that the problem will turn out to be
less serious than the models
predict; thus, any carbon we have chosen to leave in the ground out of fear for the consequences of global
warming will have gone uncombusted for nothing.
Bounoua L., F. G. Hall, P. J. Sellers, A. Kumar, G. J. Collatz, C. J. Tucker, and M. L. Imhoff, 2010, Quantifying the negative feedback of vegetation to greenhouse
warming: A modeling approach, Geophysical Research Letters, 37 This one finds that the doubling of the Carbon Dioxide concentration may be
less serious than the IPCC
predicts
Some models
predict that global
warming will make tornadoes
less frequent and
less severe.
While observational data from satellites show
less warming than
predicted by most models, Santer and his co-authors demonstrate that the observed
warming is consistent with models including both human and natural forcings, but inconsistent with models using only natural forcings and variability.
What deniers want to do is skip all that, misrepresent the models by claiming they
predict steady
warming (conflate multi-model ensemble means with individual model runs), and conclude the physics is wrong and CO2 causes
less warming.
Later they say «An increase in global temperature is
predicted to worsen the effect, since
warmer waters hold
less gas.»
This suggests to me that he was getting the basics more or
less right, which in turn emphasises the point that the best models and theory we have all
predict and have consistently
predicted the same thing:
warming, and quite a bit of it by the end of this century if we keep dumping CO2 in the atmosphere at our current rates.
Read on for the comment I just posted on the piece, by Katie Herzog *, which hailed the prospect of fewer hills,
less traffic and a benefit when it comes to global
warming: «Yes, it's stressful to know that you're going to die in one of Seattle's 30,000
predicted landslides, but look on the bright side: The carbon footprint of your lifeless body sliding downhill is zero.»
In terms of the gold that a climate science denier might find in the paper, at the very least, they could argue that the fact that the troposphere isn't
warming more quickly than the surface shows that the climate models are unreliable — even though the models
predict just the pattern of
warming that we see — with the troposphere
warming more quickly than the surface over the ocean but
less quickly than the surface over land.
The leading experts
predict that we have
less than 10 years to make dramatic changes in our global
warming pollution lest we lose our ability to ever recover from this environmental crisis.
For example, one might
predict that the pattern they see (wide rings more common) would be prevalent in cooler, wetter parts of Alaska, whereas the opposite pattern (wide rings
less common) might be more prevalent in
warmer, drier parts, where
warming may have pushed temperature past critical thresholds to the point where
warm temps become a limiting factor.
- temperature sensors on satellites report much
less warming in the upper atmosphere (which the theory of global
warming predicts should
warm first) than is reported by temperature sensors on the ground.
Given that the
warming then is
less than that
predicted for this century, is that what we can expect for Africa's future?
While many studies of the effects of global
warming on hurricanes
predict an increase in various metrics of Atlantic basin - wide activity, it is
less clear that this signal will emerge from background noise in measures of hurricane damage, which depend largely on rare, high - intensity landfalling events and are thus highly volatile compared to basin - wide storm metrics.
Whether it's
warmer or colder, wetter or drier, more ice or
less, more storms or fewer storms, «It's exactly what we
predicted,» climate alarmists say.
Climate skeptics frequently
predict that the real climate will
warm less than climate models suggest it will over the next century.
Anyone who, at the time, to a
lesser or greater extent, may have thought Hansen was exaggerating, by definition was «
predicting»
less warming.
Since 1970 we have seen exactly what global
warming models
predict — more rainfall in the North - West and some desert areas and
less in the major agricultural regions.
In terms of predictions from «skeptics», I imagine that those who disagreed with Hansen
predicted that
warming would be
less.
The implicit assumption here is that the problem will turn out to be
less serious than the models
predict; thus, any carbon we have chosen to leave in the ground out of fear for the consequences of global
warming will have gone uncombusted for nothing.
Bob D. wrote: «As long as the trend from global GISS is still positive for the last 10 years, what is all the fuss?It is still
warming, the trend for the last 10 years may be
less that what the contributors to the IPCC
predicted, but the uncertainty for a 10 year trend is quite large n'est pas?Isn't that what you have been going on about?»
The climate scientists behind the report are
less ready, however, to
predict what the specific impacts of global
warming will look like in the coming decades, meaning it won't be very useful for regional planners.
A plateau where there is no
warming is more difficult to explain than a wiggly gradual increase in temperature where the rate of increase is
less than
predicted.
And as to his claim that there may be «places around the world where global
warming will lead to
less crop success and yield, even when taking into account the carbon dioxide fertilization effect,» he appears to be equally ignorant that rising levels of atmospheric CO2 tend to raise the temperature of optimum plant photosynthesis beyond the
predicted temperature values associated with global
warming, effectively nullifying this worn out claim (Idso & Idso, 2011).
For instance, what is the usual response of a CAGW movement supporter to learning that, under their own climate sensitivity assumptions, other forms of geoengineering than CO2 cutbacks could neutralize the
predicted warming for < = ~ 1 % the cost and with
lesser biological side - effects (such as stratospheric dispersion of micron - scale reflective dust staying suspended for months at appropriate altitude, in radiative forcing neutralizing orders of magnitude more than its own mass in CO2)?
His initial findings showed a
lesser degree of
warming than most climate models
predict, leading him to question those models.
There is a new myth circulating in the climate contrarian blogosphere and mainstream media that a figure presented in the «leaked» draft Intergovernmental Panel on Climate Change (IPCC) Fifth Assessment Report shows that the planet has
warmed less than previous IPCC report climate model simulations
predicted.
As Indur Goklany has shown, even assuming that the climate models on which the Intergovernmental Panel on Climate Change (IPCC) accurately
predict (rather than exaggerate by 2 to 3 times) the
warming effect of added CO2 in the atmosphere, people the world over, and especially in developing countries, will be wealthier in
warmer than in cooler scenarios, making them
less vulnerable than today to all risks — including those related to climate.
If my winning of the bet also means «no
warming or cooling», or anything
less than 0.3
warming (the
warming predicted by the IPCC) then I feel extremely confident.
Global
warming's crystal ball is clearing as climate models improve, and scientists now
predict that some regions will see a month's
less rain and snow by 2100.
So you agree that there was some late 20thC
warming, even if much
less than
predicted?
Yet on all datasets, the atmosphere is
warming at
less than half the rate originally
predicted by their fellow - activists at the error - prone Intergovernmental Panel on Climate Change — who have a vested interest in overstating the supposed extent of our influence on climate.
If we assume that the Met Office data published by the Daily Mail is roughly correct, then it is clear that
warming is
less than
predicted, by a long way.
thats much
less clear than the science that
predicts the
warming
Although this concentration is far
less than that of CO2, methane is 30 times as potent a greenhouse gas and so may now be responsible for 15 — 20 % of the
predicted global
warming.»
This is false, global
warming theory does not
predict less extreme weather.
Dr. Kenner attacks the notion that extreme weather has increased in the past 15 years, or that Global
Warming will cause in increase in extreme weather, noting, «If anything, global warming theory predicts less extreme weather.
Warming will cause in increase in extreme weather, noting, «If anything, global
warming theory predicts less extreme weather.
warming theory
predicts less extreme weather.»
If global
warming were affecting sea ice (as climate models
predict), then Arctic sea ice should be declining in a
less jerky manner, and Antarctic sea ice should not be as steady as it is.
A major scientific study conducted at the University of Reading on the interactions between aerosols and clouds is much weaker than most climate models assume, meaning the planet could
warm way
less than
predicted.
This is
less than 1 / 6th of the 0.2 deg C per decade
warming predicted by the IPCC.
the modellers make aggressive assumptions which
predict more rather than
less warming those in charge of the temperature record aggressively adjust for factors that might make the
warming look greater, and fudge adjustments that might make it
less.
The fact that the actual measured planetary
warming is
less than the lowest IPCC model prediction
warming and is found only at high latitudes (which is not
predicted by the IPCC models) logically supports the assertion that the planet's response to a change in forcing is to resist the change (negative feedback, planetary clouds in the tropics increase reflecting more sunlight in to space) rather than to amplify the change (positive feedback) due increased water vapour in the atmosphere.