The result is that temperatures in recent decades exceed the maximum proxy estimate (
including uncertainty range) for the past 1,300 years.
If you want to do a more precise analysis, fine — you'd need to properly
include the uncertainty ranges and you would come to the same conclusion as me — as far as one can tell within uncertainty, the non-CO2 anthropogenic forcings approximately balance.
Not exact matches
Poloz said several forces were restraining Canada's economy,
including new mortgage rules,
uncertainty about U.S. trade policy and the renegotiation of the North American Free Trade Agreement, and a
range of competitiveness challenges.
However, in view of the current
uncertainty,
including continued discussions with the Government on a
range of other issues, all funding and work on the underground development will be delayed until these matters are concluded and a new timetable has been agreed.
Specific concerns
included a broad
range of
uncertainties related to the quality of Hudson River water, prevalent among which was the proximity of the proposed plant to the Indian Point nuclear power plant.
There are
uncertainties involved, so we
included wide -
ranging assessments of these, as well as pointers to the most promising avenues for improvement.
The practice of science, which
includes the packaging of findings from science for use in the public - policy arena, is governed by an unwritten code of conduct that
includes such elements as mastering the relevant fundamental concepts before venturing into print in the professional or public arena, learning and observing proper practices for presenting
ranges of respectable opinion and
uncertainty, avoiding the selection of data to fit pre-conceived conclusions, reading the references one cites and representing their content accurately and fairly, and acknowledging and correcting the errors that have crept into ones work (some of which are, of course, inevitable) after they are discovered by oneself or by others.
After a lengthy review of various aspects of diet,
including over-nutrition, they guesstimated that 35 percent of cancer could be attributed to diet, but their
uncertainty was emphasized by an accompanying wide possible
range of 10 percent to 70 percent.
And even more impressive, research has linked curiosity to a wide
range of important adaptive behaviors,
including tolerance of anxiety and
uncertainty, positive emotions, humor, playfulness, out - of - box thinking, and a noncritical attitude — all attributes associated with healthy social outcomes.
Poloz then admitted that the BOC has not
included «the risk of a significant shift toward more - protectionist trade policies in the United States, given the
range of potential outcomes and the
uncertainty about timing.»
The large degree of
uncertainty associated with the effects of these policies logically led to a wide
range of predictions from commentators and practitioners,
including the downfall of the US dollar, rapidly rising inflation, and the build - up of a significant bubble in the Treasury bond market.
There are limitations in using a Monte Carlo simulation,
including the analysis is only as good as the assumptions, and despite modeling for a
range of
uncertainties in the future, it does not eliminate
uncertainty.
These lines were labelled «All SRES envelope
including land ice
uncertainty» in the TAR SPM and extended the
range up to 88 cm, adding 18 cm at the top end.
There's no real progress in our evaluation of climate sensitivity, rather the demonstration that real progress will be very difficut to reach (worse even, the
range should enlarge as we
include more and more parameters for evaluation of f, so more and more
uncertainty because each new parameter will have its own distribution of probability).
The biggest change is that ice sheet dynamics look more uncertain now than at the time of the TAR, which is why this
uncertainty is not
included any more in the cited
range but discussed separately in the text.
Now I am sure there are other less well informed individuals that would throw around absolute values without
including a
range of
uncertainty or even
include an over confident
range of
uncertainty that might be proven inaccurate, but we would never fall in that «alarmist» camp would we?
Their Figure 1b
includes a global temperature projection plus
uncertainty ranges.
VP, No one needs to forecast a «hiatus» just provide a reasonable
range of
uncertainty that would
include the hiatus.
As the table below indicates, the forecast for 2015 -
including the
range of
uncertainties - will also place the coming year among the warmest on record.
The statement of Sato et al. «'' This suggests that estimates of the net negative radiative forcing due to the total ACI can also be significantly reduced and its
uncertainty range could even
include positive values.»
The authors give some hint when they write:» This suggests that estimates of the net negative radiative forcing due to the total ACI can also be significantly reduced and its
uncertainty range could even
include positive values.».
If identified and meaningfully detected but without substantial resolution, we estimate their
range and
include that in the
Uncertainty.
That means there is still a lot of
uncertainty about the extent of future warming — estimates of the effect of doubling CO2,
including all feedback processes,
range from 2 °C to 6 °C.
All that is shown for AR4 are 2035
uncertainty ranges for three AR4 scenarios (
including A1B) in the right margin, plus a spaghetti of individual runs (a spaghetti that does not correspond to any actual AR4 graphic.)
(The use of SCMs for the «likely
range» allowed the consideration of
uncertainties in climate - carbon cycle feedbacks, which were not
included in the GCMs in AR4, and also allowed more emissions scenarios to be quantified.)
Key
uncertainties looking forward
include: 1) the extent to which proposed adaptation strategies will be implemented given a
range of factors
including competing demands and limited funding; 2) the role of the private sector and individual action in adaptation, roles which can be difficult to document; 3) the extent of the federal role in adaptation planning and implementation; and 4) how changes in technology and the world economy may change the feasibility of specific adaptation strategies.11
A key
uncertainty is what the actual impacts of rising temperatures and changing ocean chemistry,
including an increase in ocean acidification, will be on a broad
range of marine biota and ecosystems.
The authors, who
include the Oxford Martin School's Professor Myles Allen, argue that strategies should be «anti-fragile», meaning they are not just robust under
uncertainty but more successful under a wide
range of
uncertainties,
including scientific, economic and political risks.
The sources of
uncertainty are many,
including the trajectory of greenhouse gas emissions in the future, their conversion into atmospheric concentrations, the
range of responses of various climate models to a given radiative forcing and the method of constructing high resolution information from global climate model outputs (Pittock, 1995; see Figure 13.2).
These findings are not sensitive to a wide
range of assumptions,
including the time series used to measure temperature, the omission of black carbon and stratospheric water vapor, and
uncertainty about anthropogenic sulfur emissions and its effect on radiative forcing (SI Appendix: Sections 2.4 — 7).
You apparently do not know that the
range of
uncertainty on a trend based on only a few points of noisy data is generally large and typically not significant, and that by
including more data points you can reduce the
range of
uncertainty.
It's not difficult to see that such an
uncertainty range would be huge, much large than the IPCC admits, and
including massive heating and cooling scenarios.
Both approaches should IMO have been
included in the reported
uncertainty ranges.
Should the semi-empirical models have been
included in the
uncertainty range of the IPCC projections?
The other issues contribute to the
range of
uncertainty in projections of future warming projected by the IPCC and others, but this
range does not
include zero, a point which is agreed by most or all of those working on these topics as I've noted.
Ken, No, I'm just regressing the Historical (All - forcings) forcing time series on the forcing time series for the constituent individual forcings.If they have been correctly
included in Historical forcing, the coefficients should contain one within their
uncertainty ranges, as they do except for land use forcing where they are consistent with zero.
By fixating on a minor detail, you have glossed right over all the real difficulties and challenges in working out the probable error
range for early temperature records, which
include uncertainty about the properties of the thermometers used and gaps in the records.
The SCM projections are
included to assist the reader in interpreting how the timing and
range of
uncertainty in projections of warming can vary according to emissions scenario.
Uncertainties due to the spatial scale of the scenarios and stemming from the application of different RCMs versus different GCMs (
including models not used for regionalisation) were elaborated on in a
range of impact studies (e.g., Ekstrom et al., 2007; Fronzek and Carter, 2007; Hingray et al., 2007; Graham et al., 2007; Olesen et al., 2007).
That optimistic view is supported by a
range of factors: close links to London, in physical as well as professional terms; increased visibility since its expansion and rebrand; the non-applicability of MAR compliance; the stability it presents in contrast to the Brexit
uncertainty; and the international recognition of its standing
including in terms of asset allocation eligibility for the most highly regulated EU retail investor funds.
To address regulatory challenges, Cofound.it, together with blockchain legal specialist Nejc Novak, founder of law firm Novak Rutar, has spent the past five months working intensively with a diverse
range of stakeholders,
including the Cabinet of the Prime Minister, the Securities Agency, the Financial Administration, the Office for Money Laundering Prevention, the Central Bank, the Ministry of Public Administration and the Ministry of Finance, to clarify a number of key legal
uncertainties.
When a child receives a diagnosis, a family can experience a
range of feelings and emotions which may change over time
including grief and loss, guilt, anger, sadness,
uncertainty and relief.
Zandi notes a
range of assumptions behind this rosy forecast,
including the expectation that mortgage rates would remain very low, the availability of housing credit will improve as private mortgage lending begins to pick up, and the job market gains traction as policymakers work to resolve fiscal issues, which will ease market
uncertainties.