Sentences with phrase «simple models of»

Work by Daron as well as Michael Kiley developed simple models of directed technological change building on the theories of endogenous technological change.

(The history of rudimentary physical models without extensive calculations is told in a separate essay on Simple Models of Climate, and there is a supplementary essay for the Basic Radiation Calculations that became part of the technical foundation of comprehensive calculations.

Theories are discussed in the essay on Simple Models of Climate.)

Interview with Jack Eddy Ocean Currents and Climate Theory Simple Models of Climate Change Chaos in the Atmosphere Venus & Mars General Circulation Models of Climate Basic Radiation Calculations Arakawa's Computation Device GCM Family Tree (P. Edwards)

Lastly the simulations are used to help evaluate simple models of trade wind boundary layers.

An image of El Ninos that intrigues me and I haven't seen it discussed in precisely these terms, though the idea seems pretty obvious and directly connects El Nino to 1 / f noise is this: [and, Atmoz, Eli, the following is just chit - chat and whether this makes any sense has NOTHING to do with the validity of my criticisms of Mann and the 1000 year proxies — so please don't read any further) one of the simple models of 1 / f noise are sandpile avalanches under steady drips of sand onto a pile.

If this were really true, then climate models are a total waste of time and money and we should just do energy balance arguments based on simple models of clouds and other feedbacks.

Trying to understand complex non-linear systems in terms of simple models of «cause and effect» is a recipe for confusion.

To start in, for the scientific story, a good starting - point is the keystone essay on the basic discoveries about The Carbon Dioxide Greenhouse Effect, followed perhaps by attempts to explain changes with Simple Models of Climate.

(This essay is supplementary to the core essay on The Carbon Dioxide Greenhouse Effect For the most important greenhouse gas, water vapor, see the essay on Simple Models of Climate.)

(This genre of one - dimensional and two - dimensional models lay between the rudimentary, often qualitative models covered in the essay on Simple Models of Climate and the elaborate three - dimensional General Circulation Models of the Atmosphere.)

They also hope to use what they learn from simple models of different tissue types to ultimately build functional human tissues like lung and kidney and neural circuits using larger - scale techniques.

«I believe that we have the best of the simple models of calcium in the world at the moment,» Jungwirth said.

While the simple model of Product Market Fit can help focus teams that are trying to get someone (anyone!)

The paper's authors apply a simple model of the world oil market to reach their conclusions, which are driven by the potential for the pipeline to increase global oil supply, thus lowering oil prices and increasing consumption.

That said, a simple model of price growth that includes an index of the dollar against our trading partners does an OK job of tracking year - over-year changes in core PCE inflation (the Fed's favored gauge).

In summary, available evidence suggests that a simple model of Bitcoin price based on Metcalfe's Law is useful for understanding and perhaps predicting Bitcoin price.

The mental occasion provides for the possibility of novelty, unobtainable in the simpler model of purely physical actual occasions, but it also means that actualization may require two successive unifications, one physical, one mental.

He was so thrilled that our organization had a simple model of parent - to - parent support, which was in his experience one of the most - needed components in society.

In the simplest models of reversals, the Earth's magnetic field behaves like a bar magnet that points roughly along the planet's axis of rotation.

It is the central theme of The Death of Economics that the simple model of perfect competition which lies at the heart of much standard economic teaching is seriously flawed, and that policies based on it will be erroneous.

To answer the carbon question, we used a simple model of the UK electricity market.

Hong was convinced that a simple model of adiabatic expansion — the rapid diffusion of gas that occurs, for example, when a balloon bursts — could explain what happens when popcorn kernels explode.

If this interpretation of the observations is correct, it could confirm a 30 - year - old prediction of the cosmic inflation theory: that the simplest models of inflation can generate an observable level of gravitational waves, comparable to density or temperature fluctuations in the early universe.

Now, after more than a decade, Prusiner and researchers at other laboratories have produced a simple model of how prions from a diseased brain could replicate.

To see whether the charging idea held up, the MIT team first developed a simple model of an aircraft - triggered lightning strike.

How about the history classroom, where instead of listening to a teacher lecture about ancient Athens, students take a virtual tour and then use 3 - D design software like SketchUp to build a simple model of a Greek temple as a way to internalize classical principles such as balance?

He uses a simple model of an administrator tasked with identifying high - quality teachers to show that empirical Bayes estimators, the most popular method to estimate teacher effectiveness for use in incentive (typically bonus) schemes, do not necessarily make the best use of available information as they are typically implemented.

We opened our session with a simple model of how school choice, at the most abstract level, is supposed to work.

Indeed we propose a simple model of the price dynamics in which the return growth depends on three components: a) a momentum component, naturally justified in terms of agents» belief that expected returns are higher in bullish markets than in bearish ones; b) a fundamental component proportional to the log earnings over price ratio at time zero.

Pratt, J., and J. Yang, 2010: A simple model of the Nordic Sea circulation and outflow.

Each of the four authors of the Science Bulletin paper has a lively and expert academic interest in our subject, and we wrote our paper because we considered — rightly, as events have turned out (for there have already been more than 22,500 downloads either of the abstract or of the full paper)-- that other researchers would find our simple model of the climate interesting and helpful.

James Lovelock proposed a simple model of «Daisy World» with two types of daisy growing — black ones and white ones.

Your intuition about the simple model of 100 % reflectance of clouds being wrong is correct.

Some initial experimenting with a simple model of a no - atmosphere planet in synchronous orbit lead me to believe the method of calculation can make quite a difference in deltaT / deltaF.

A simple model of this process is an increased vertical circulation in the ocean, such as an enhanced PDO, that brings cooler water to the surface faster and sequesters the warmer water faster.

You can do a quick simple model of the total gas in the atmosphere as the thermal induction and the total CO2 as the thermal resistance.

ATTP's attention was drawn to a recent submission to Earth System Dynamics A simple model of the anthropogenically forced CO2 cycle by Weber, Lüdeke and Weiss, which is not even wrong, worse, it is misleading.

So we are left wondering — if the data we have is good for one thing and it shows that cloud changes dominate — if the simple model of radiative forcing and warming is all there is.

If you ACTUALLY BELIEVE that it is «virtually certain» that human activities, primarily the increase in CO2 concentrations, is altering the climate in a measurable way, then there's no other conclusion possible: you are a scientifically illiterate moron, with absolutely no concept of how even the simplest model of a planetary atmosphere works.

But George — like most environmentalists — prefers a much more simple model of the problem.

They were simply pessimists who couldn't imagine that anything as obviously complex as epicycles could be dramatically simplified with a simple model of planetary orbits.

Why, one with a simple model of course.

Here we present a simple model of the integrated sea - level response to temperature change that implicitly includes contributions from the thermal expansion and the reduction of continental ice.

Now, a team of researchers led by a scientist from the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) has developed a simple model of permafrost carbon based on direct observations.

In my paper http://pubs.acs.org/doi/abs/10.1021/ef200914u I use a simple model of the carbon cycle to show that only a small proportion of atmospheric CO2 should be expected to be of directly anthropogenic origin, even if anthropogenic emissions are 100 % responsible for the observed increase.

«The correlation of changes in d13C with ENSO events and the comparison with a simple model of a series of cascades suggest that the changes in d13C in the atmosphere have little to do with the input of CO2 emissions from the continuous use of fossil fuels.»

The Bern model is a simple model of uncertainty - quantified diffusion or what is termed dispersive diffusion: OTOH, the deniers still think it is a model of exchange within the carbon cycle.

However, it is instructive to note that a simple model of a linear trend plus sine wave matches history so well, particularly since it assumes such a small contribution from CO2 (yet matches history well) and since in prior IPCC reports, the IPCC and most modelers simply refused to include cyclic functions like AMO and PDO in their models.

Lorenz is most famous scientifically for discovering the exquisite sensitivity to initial conditions (i.e. chaos) in a simple model of fluid convection, which serves as an archetype for the weather prediction problem.