Sentences with phrase «considerable uncertainty in»

The summary from AR3 is: «These findings emphasise that there is still considerable uncertainty in the magnitude of internal climate variability.»
As noted by the Intergovernmental Panel on Climate Change (IPCC), there is considerable uncertainty in projections of future radiative forcing of earth's climate.
Firstly, there is uncertainty about the future levels of greenhouse gas emissions driving climate change [34] and considerable uncertainty in modeling how this will affect other aspects of climate such as local rainfall or temperatures.
«Because there is considerable uncertainty in current understanding of how the climate system varies naturally and reacts to emissions of greenhouse gases and aerosols, current estimates of the magnitude of future warming should be regarded as tentative and subject to future adjustments (either upward or downward).»
First, they conclude that there is less uncertainty in TCR than in Equilibrium Climate Sensitivity (ECS), which I suggest supports the proposition that they found considerable uncertainty in the latter.
In fairness, there remains considerable uncertainty in aerosol effects, but if there will be real progress in narrowing the credible range for climate sensitivity, it has to come from reducing the still too wide uncertainty in aerosol effects, not from flogging climate models which assume aerosol offsets inconsistent with the best available measured effects.
However, the uncertainty in this estimate is necessarily large owing to the relatively small number of studies that have been performed and the considerable uncertainty in estimates, for example, of the nitrate τaer.
However, there is considerable uncertainty in the record prior to the satellite era (early 1970s), and the further back in time one goes, the more uncertain the record becomes.14, 15
I don't take it as gospel — and it already (rightly) allows for considerable uncertainty in terms of timing, given that policy choices yet to be made will significantly affect the matter — but on the other hand, I've yet to hear a serious argument why this couldn't or won't happen.
However, they identified small numbers of late miscarriages and stillbirths, hence limiting the power to detect small associations and leading to considerable uncertainty in the size of the association14.
«The limited sampling so far gives rise to considerable uncertainty in the estimate,» cautions Rambaut.
Although mainstream scientists do identify considerable uncertainties in their climate predictions, which are based on computer models, they are increasingly confident that global warming is a serious problem and often say that the uncertainties do not justify inaction.
In fact, it pointed out, its own prior published study had shown that «even given the considerable uncertainties in our knowledge of the relevant phenomena, greenhouse warming poses a potential threat sufficient to merit prompt responses.
The NAS further noted that its own prior published study had shown that «even given the considerable uncertainties in our knowledge of the relevant phenomena, greenhouse warming poses a potential threat sufficient to merit prompt responses.

Not exact matches

However, there is considerable uncertainty about the speed with which this sequence will evolve and how it will be affected by the drop in oil prices.
The 2012 Budget contained considerable discussion on the economic and political uncertainties in the EURO area and in the U.S. and rightly so, because these uncertainties are not just short - term uncertainties but medium and longer - term uncertainties as well.
However considerable economic and financial data would be available, and remaining uncertainty could be allowed for in the «risk adjustment» factor included in the budget.
With considerable uncertainty all around the globe, chemical manufacturers must be prepared for swings in their feedstock costs.
In the near term, there is considerable uncertainty about the outlook, particularly because the multiplier effects from fiscal drag and sequestration are still unclear.
We live with considerable uncertainty about the sustainability of the pattern of relatively low risk premia and reduction in the cost of insurance against future macroeconomic and financial volatility.
Although there is considerable uncertainty around the outlook, the Bank is projecting real GDP growth will slow to about 1 1/2 per cent and the output gap to widen in the first half of 2015.
In Queensland, as discussed below, there is considerable uncertainty surrounding a proposed expansion of the Dalrymple Bay coal terminal at Hay Point.
With U.S. markets rallying and considerable political uncertainty across Europe, the only thought many U.S. investors may have regarding Europe is whether the strong dollar means a summer vacation there should be in the works.
Consequently, considerable uncertainty remains as to how they will be financed and implemented in the future.
Lastly, the Bank has noted considerable uncertainty around geopolitical risks, in particular the ongoing renegotiation of the North American Free Trade Agreement (NAFTA).
About God there is considerable doubt and uncertainty, not only in the secular world but in Christian circles as well, with various attempts to preserve the meaning and value of God for human experience without the personal God of historic Christian faith.
For all low risk women, bootstrapped estimates showed that planned birth in settings other than an obstetric unit was associated with cost savings and considerable stochastic uncertainty surrounding adverse perinatal outcomes.
In light of the considerable uncertainty around the economic and fiscal outlook, including the risks posed to economic recovery by ongoing financial tensions in the eurozone and against the backdrop of a still large structural budget deficit and high and rising government debt, the Negative Outlook indicates a slightly greater than 50 % chance of a downgrade over a two - year horizon.&raquIn light of the considerable uncertainty around the economic and fiscal outlook, including the risks posed to economic recovery by ongoing financial tensions in the eurozone and against the backdrop of a still large structural budget deficit and high and rising government debt, the Negative Outlook indicates a slightly greater than 50 % chance of a downgrade over a two - year horizon.&raquin the eurozone and against the backdrop of a still large structural budget deficit and high and rising government debt, the Negative Outlook indicates a slightly greater than 50 % chance of a downgrade over a two - year horizon.»
However he also said: «The government's decision not to proceed with site blocking regulations in the Digital Economy Act leaves considerable uncertainty about the future.
«Storm surges globally lead to considerable loss of life and billions of dollars of damages each year, and yet we still have a limited understanding of the likelihood and associated uncertainties of these extreme events both today and in the future,» said Thomas Wahl, an assistant engineering professor in the University of Central Florida who led the study.
The contribution from Antarctica adds up to 180 gigatonnes per year, but there is considerable uncertainty here because changes in the gravity field due to Earth's crust rebounding are less well understood over Antarctica than elsewhere.
Hiding in plain sight Kolodziej says that the work casts considerable uncertainty over sampling results for steroid endocrine disrupters, and suggests that a survey of their breakdown compounds in the environment is now urgently needed.
Radley says there is considerable uncertainty about how far the erosion of the Essex salt marshes may be due to a reduction in the local supply of sediment.
Now, it is apparent from reading even the first few pages of The Skeptical Environmentalist that Lomborg proposes to make the case that not just environmentalists, but a considerable part of the heretofore respectable environmental - science community, have been misunderstanding the relevant concepts, misrepresenting the relevant facts, understating the uncertainties, selecting data, and failing to acknowledge errors after these have been pointed out in other words, that the scientist contributors to what he calls «the environmental litany» (namely, that environmental problems are serious and becoming, in many instances more so) have been guilty of massively violating the scientists code of conduct.
Researchers say the changes could be as much as 5 percent of costs in some states, but caution there is considerable uncertainty surrounding such estimates.
There is considerable uncertainty surrounding emerging contaminants in aquatic ecosystems and groundwater, and a recent Penn State study of compounds from pharmaceuticals and personal care products didn't add much clarity.
I've not seen a figure showing the uncertainty in this ratio, but the NH - SH warming difference for HadCRUT3 has considerable uncertainty relative to the observed changes themselves:
As acknowledged in an Australian Bureau of Agriculture and Resource Economics report on climate change scenarios, also released on Monday, there are still considerable scientific uncertainties surrounding the nature and extent of future climate change.
The changes in SH, LH, and UWLWIR sum to approximately 6 W / m ^ 2 (with considerable uncertainty), so the sensitivity of the Earth surface temperature is approximately (4/6) x0.5 C = 0.33 C (again with considerable uncertainty).
This is a topic that has attracted considerable scientific interest, 1 2 3 in large part because of uncertainty regarding whether MUFA or carbohydrate should be substituted for saturated fatty acids (SFAs) and the desirable quantity of MUFA to include in the diet.
In addition, there is considerable uncertainty over the estimated effects of business incentives that are services to business, such as customized job training, as relatively few studies have looked at such services.
In most real - world settings, the degree of uncertainty will lead to considerable rates of misclassification of teachers.
PST will also be applied to the retail sale of cannabis, although revenue generated from this has not been included in the budget because there is still considerable uncertainty as to how much will be raised.
There is considerable interest in decreasing our uncertainty in climate sensitivity.
If Dr Curry's scientific position is «there is a considerable amount of uncertainty, therefore we should at least be able to draw some boundaries around them before pushing for a consensus on certainty» (I hope my paraphrase is close to the mark), then advocating for a change in the process of conducting climate science follows logically.
There are considerable uncertainties even in nature and quantification of the so called ordered forcing, in predicting economic, social or technological trajectories and in costing future impacts.
We'll have to make decisions (and already are) in the face of considerable uncertainty.
Uncertainties persist about the nature of oil and gas reserves, as well as considerable operational and technical challenges in producing and transporting oil and gas under extreme conditions of pressure, temperature and weather.
This week is goofy, the heresy thing was totally unplanned for, and there is also considerable interest in the broader Etc community in the climate hawk thing, which I thought was a good segueway into the decision making under uncertainty.
Despite the considerable uncertainties relating to existing and future economic development in the Arctic, concerns about the long term and sustainable development of the Arctic marine region are set to increase.
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