Sentences with phrase «circulation models here»

Not exact matches

Here we analyze a series of climate model experiments along with observational data to show that the recent warming trend in Atlantic sea surface temperature and the corresponding trans - basin displacements of the main atmospheric pressure centers were key drivers of the observed Walker circulation intensification, eastern Pacific cooling, North American rainfall trends and western Pacific sea - level rise.
And here is just one example from a white paper of Jim Hurrell which will be published soon, where you see that the strength of the Meridional Overturning Circulation may be predictable, provided you have suitable initial conditions; you can initialize your climate model.
Rowlands (2012) write, «Here we present results from a multi-thousand-member perturbed - physics ensemble of transient coupled atmosphere — ocean general circulation model simulations.
Here, FOR values are derived from a General Circulation Model by extracting OLR and SLE over areas in east - central Europe (at about 60 ° N) one hour after injecting appropriate CO2 concentration (adjustments to the atmospheric profile are thus excluded) to the Feb. 1 midnight simulation.
Here a simple biologically and physically - based model of sapflow potential is used to assess observed changes in sapflow across the Northeastern US from 1980 to 2006; document the correspondence between these observations and independent downscaled atmosphere ocean general circulation model (AOGCM) simulations of conditions during this period; and quantify changes in sapflow potential through 2100.
A simple engine model (nothing new here but simplification) with the firebox in, say, 20S to 20N and the exhaust 50 - 60Lat and poleward effected by air and water circulation (return circulation of cold for re - heating).
Here we use an ensemble of simulations with a coupled ocean — atmosphere model to show that the sea surface temperature anomalies associated with central Pacific El Niño force changes in the extra-tropical atmospheric circulation.
Testing an astronomically based decadal - scale empirical harmonic climate model versus the IPCC (2007) general circulation climate models, 12/2011; read more here.
Here we present results from a multi-thousand-member perturbed - physics ensemble of transient coupled atmosphere — ocean general circulation model simulations.
Let's be clear here, they're theorized feedbacks in unverified general circulation models whose results fit the IPCC's expectations, and as you know, when expectations are met it's difficult for even good scientists to look further, let alone for the politicians running the show.
Here we use a coupled atmosphere - ocean general circulation model to simulate the climate of the mid-Pliocene warm period (about three million years ago), and analyse the forcings and feedbacks that contributed to the relatively warm temperatures.
Even a simple ocean model usually has a number of slightly different equilibria actually, due to shifts in the location of convective activity (by a few grid boxes - I'm not talking here about a big reorganisation of the circulation).
Granted we're talking about more modeling here, but mesoscale circulation driven by «daily and six - hourly momentum and heat fluxes» sound to me like something tropical cyclones could cause.
Relevant text from the AR4 Chapter 8: «Atmosphere - Ocean General Circulation Models do not seem to have difficulty in simulating IPO - like variability... [T] here has been little work evaluating the amplitude of Pacific decadal variability in AOGCMs.
We see similar excursions from the trend line in our modelling, so we feel that there is an actual variability here that is associated with year - to - year changes in the atmospheric circulation.
Here we explain this interhemispheric asymmetry using an atmospheric general circulation model coupled to a slab ocean model.
Coupled climate model simulations for a period of about 10,000 years would be probably needed to capture these kinds of circulations (I am just speculating here).
«In addition, we have shown here that global circulation models vary widely in their drought - frequency projections, particularly later in the century and along higher emissions scenarios,» said Yohe.
Here we probe the system to determine whether certain regions of the Southern Ocean are more critical than others for air — sea CO2 balance and the biological export production, by increasing surface nutrient drawdown in an ocean general circulation model.
Among the suite of circulation models examined here, the largest reduction in atmospheric pCO2 of 44 — 88 ppm occurs in a model where reduced overturning rates of both southern and northern sourced deep waters result in a four-fold increase in the Southern Ocean deep water ventilation age.
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