Similarly deserving of our appreciation, respect, and praise are * ALL * of the global - scale energy - balance observation efforts (IPSI, GRACE, JASON, ARGO, etc.); that condition * ALL *
of the general circulation models (too many to list!)
«The epistemological status
of general circulation models» by Craig Loehle, Climate Dynamics, in press.
Epistemological Status
of General Circulation Models.
The current temperature plateau is not consistent with
any of the General Circulation models.
Tom Wigley supervised his PhD titled, «Regional Validation
of General Circulation Models» that used three top computer models to recreate North Atlantic conditions where data was best.
«Their prediction of 1.35 degrees C [TCR] is, even if correct, only 25 % lower than the average
of the general circulation models used in the IPCC 5th Assessment.
However, another source of uncertainty in the monthly mean zonal cloud radiative effects comes from the low frequency of clear - sky occurrence, when averaging over regions that correspond to the spatial resolution
of general circulation models.
Seven global vegetation models are used to analyze possible responses to future climate simulated by a range
of general circulation models run under all four representative concentration pathway scenarios of changing concentrations of greenhouse gases.
There is not even one single solution to
any of the general circulation models.
Benjamin Santer a CRU graduate completed a thesis titled, Regional Validation
of General Circulation Models.
Precipitation extremes and their potential future changes were predicted using six - member ensembles
of general circulation models (GCMs) from the Coupled Model Intercomparison Project Phase 5 (CMIP5).
It's just a piece of sneering waffle that hides behind the complexities
of General Circulation Models — or computer programs to the rest of us.
There are uncertainties in parts
of the general circulation models used to forecast future climate, but thousands of scientists have made meticulous efforts to make sure that the processes are based on observations of basic physics, laboratory measurements, and sound theoretical calculations.
This corresponds in scope (not un-coincidentally) to the atmospheric component
of General Circulation Models (GCMs) coupled to (at least) a mixed - layer ocean.
Methods: Land surface models (LSMs) are an integral component
of the General Circulation Models (GCMs) and Earth System Models (ESMs).
It's just a piece of sneering waffle that hides behind the complexities
of General Circulation Models — or computer programs to the rest of us.
This corresponds in scope (not un-coincidentally) to the atmospheric component
of General Circulation Models (GCMs) coupled to (at least) a mixed - layer ocean.
Manabe S. et al., 1975: The Effects of Doubling the CO2 Concentration on the Climate
of a General Circulation Model.
[A] now - classic set
of General Circulation Model (GCM) experiments ¬ produced global average surface temperature changes (due to doubled atmospheric CO2 concentration) ranging from 1.9 °C to 5.4 °C, simply by altering the way that cloud radiative properties were treated in the model.
Statistical downscaling
of general circulation model outputs to precipitation, evaporation and temperature using a key station approach
2000 Akio Arakawa, «A Personal Perspective on the Early Years
of General Circulation Modeling at UCLA.»
The effects of doubling the CO2 concentration on the climate
of a general circulation model.
Not exact matches
This finding was reinforced by computer
models of the
general circulation of the atmosphere, the fruit
of a long effort to learn how to predict (and perhaps even deliberately change) the weather.
The study, aimed at quantifying the small - scale
circulation that can not be captured by satellite - based altimeter measurements or
general circulation models, has immediate practical applications to help better predict the path
of catastrophic pollutant events, such as from future oil spills or nuclear disaster events.
The group also used a
general circulation model to predict what might be expected to happen in the world's wine locales in the next 50 years and determined that an average additional warming
of two degrees C may occur.
CMIP was established as a resource for climate modelers, providing a standard protocol for studying the output
of coupled atmosphere - ocean
general circulation models so that these
models can be compared and validated.
In the study, researchers analyzed a series
of transient Coupled
General Circulation Model simulations forced by changes in greenhouse gases, orbital forcing, meltwater discharge and the ice - sheet history throughout the past 21,000 years.
A global climate
model or
general circulation model aims to describe climate behavior by integrating a variety
of fluid - dynamical, chemical, or even biological equations that are either derived directly from physical laws (e.g.
Because
of the expense
of doing the Venus radiative transfer calculation, there hasn't been much
modelling of the Venus
general circulation.
And a proper discussion
of climate change often does call for precise terms like external forcing and
general circulation models, and other non-toddler friendly jargon.
Our
general circulation model simulations, which take into account the recently observed widespread occurrence
of vertically extended atmospheric brown clouds over the Indian Ocean and Asia3, suggest that atmospheric brown clouds contribute as much as the recent increase in anthropogenic greenhouse gases to regional lower atmospheric warming trends.
Scientists at Pacific Northwest National Laboratory showed that global climate
models are not accurately depicting the true depth and strength
of tropical clouds that have a strong hold on the
general circulation of atmospheric heat and the global water balance.
(Top left) Global annual mean radiative influences (W m — 2)
of LGM climate change agents, generally feedbacks in glacial - interglacial cycles, but also specified in most Atmosphere - Ocean
General Circulation Model (AOGCM) simulations for the LGM.
To derive the climate projections for this assessment, we employed 20
general circulation models to consider two scenarios
of global carbon emissions: one where atmospheric greenhouse gases are stabilized by the end
of the century and the other where it grows on its current path (the stabilization [RCP4.5] and business - as - usual [RCP8.5] emission scenarios, respectively).
He promoted the use
of water stable isotopomers for reconstructing past climate changes from ice cores and with associated atmospheric
modelling using both dynamically simple and
General Circulation Models (GCMs).
The inner edge
of the habitable zone for synchronously rotating planets around low - mass stars using
general circulation models.
Her research apparatus is built with a fusion
of advanced statistical methods, idealized
general circulation models (GCM), and state
of the art climate
models.
Jin, X.Z., X.H. Zhang, and T.J. Zhou, 1999: Fundamental framework and experiments
of the third generation
of the IAP / LASG World Ocean
General Circulation Model.
Six, K.D., and E. Maier - Reimer, 1996: Effects
of plankton dynamics on seasonal carbon fluxes in an ocean
general circulation model.
Cess, R.D., et al., 1989: Interpretation
of cloud - climate feedback as produced by 14 atmospheric
general circulation models.
This year we received 14 June SIO submissions from dynamical
models,
of which 3 were from ice - ocean
models forced by atmospheric reanalysis or other atmospheric
model output and 12 were from fully - coupled
general circulation models.
Neither
of these predictions rests on
general circulation models, which came in during subsequent decades and made more detailed forecasts possible.
In an ensemble
of fully coupled atmosphere - ocean
general circulation model (AOGCM) simulations
of the late Paleocene and early Eocene, we identify such a
circulation - driven enhanced intermediate - water warming.
Takahashi, M., 1996: Simulation
of the stratospheric quasi-biennial oscillation using a
general circulation model.
Galin, V. Ya., E.M. Volodin, and S.P. Smyshliaev, 2003: Atmospheric
general circulation model of INM RAS with ozone dynamics.
Hendon, H.H., 2000: Impact
of air — sea coupling on the Madden — Julian oscillation in a
general circulation model.
O'Farrell, S.P., 1998: Investigation
of the dynamic sea ice component
of a coupled atmosphere sea - ice
general circulation model.
Takahashi, M., 1999: The first realistic simulation
of the stratospheric quasi-biennial oscillation in a
general circulation model.
Diansky, N.A., and E.M. Volodin, 2002: Simulation
of the present - day climate with a coupled atmosphere - ocean
general circulation model.
Robertson, A.W., 2001: Influence
of ocean - atmosphere interaction on the Arctic Oscillation in two
general circulation models.