Sentences with phrase «structural uncertainty»

Nevertheless, if structural uncertainties in observations and models are fully accounted for, a partial resolution of the long - standing «differential warming» problem has now been achieved.
The other structural uncertainty issue is the actual method for combining different biases and the uncertainty model itself.
How do carbon, nitrogen and phosphorus cycles regulate climate system feedbacks, and how sensitive are these feedbacks to model structural uncertainty?
Choosing lower and upper limits that encompass the range of these results and deflating significance levels in order to account for structural uncertainty in the estimate leads to the conclusion that it is very unlikely that TCR is less than 1 °C and very unlikely that TCR is greater than 3.5 °C.
The basic picture is unchanged — model simulations were able to capture the historical variance in OHC (as best we know it now — there remains significant structural uncertainty in those estimates).
And it says nothing about ensemble projections which are bracketed by structural uncertainty.
The large structural uncertainties in observations hamper our ability to determine how well models simulate the tropospheric temperature changes that actually occurred over the satellite era.
In other words, the analysis neglects structural uncertainty about the adequacy of the assumed linear model, and the parameter uncertainty the analysis does take into account is strongly reduced by models that are «bad» by this model - data mismatch metric.
In energy - economics models, for example, there can easily be structural uncertainty regarding the treatment of the informal sector, market efficiency, or the choice between a Keynesian or a neoclassical view of macro-economic dynamics.
When additionally accounting for potential structural uncertainties inferred from other models the upper limit increases by about 1 °C.
NASA's «GISS» temp uses land and ocean - based thermometers which measure «different parts of the system [UHI affected parking lots, asphalt heat sinks, AC exhaust air vents], different signal to noise ratio [we bias toward warm stations], different structural uncertainty [we «homogenise» our data set to cool the past and warm the present to fit the global warming narrative].»
4 This flexibility allows us to analyze the effect of structural uncertainties present in existing AOGCMs.
Projects must apply an uncertainty deduction factor to account for model structural uncertainty and ensure conservative crediting.
His research focuses on the estimation of the «social cost of carbon,» including the proper discount rate to be used in cost - benefit analyses and the implications of structural uncertainty for policy solutions.
MSU - TMT trends have a lot of structural uncertainty in the observations (note the differences in trends between the UAH and RSS products).
In her doctoral thesis, Pulkkinen also discusses model uncertainty (structural uncertainty), which results from the fact that the phenomenon being researched can be explained with several — even contradicting — theories.
Note that the model range encompasses all of the simulated internal variability as well as an increasing spread over time which is a function of model structural uncertainty.
[Response: I was not suggesting that GISTEMP was better (though that is arguable), but I was alluding to the fact that where there are structural uncertainties in an observational quantity (like GMST or MSU - LT) then ignoring them in assessing significance is wrong.
We should be using alternate tunings to expand the representation of structural uncertainty in the ensemble, and I hope many of the groups will take this opportunity to do so.
There are basically two key points (explored in more depth here)-- comparisons should be «like with like», and different sources of uncertainty should be clear, whether uncertainties are related to «weather» and / or structural uncertainty in either the observations or the models.
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