What appears to have happened, based on
global climate model simulations run by Shakun et al., is not all that different from our previous explanation of the supposed CO2 lag - just a bit more nuanced.
Not exact matches
Second, the absolute value of the
global mean temperature in a free -
running coupled
climate model is an emergent property of the
simulation.
A recent meta - analysis published in the journal Nature
Climate Change, by Challinor et al. (2014) examines 1,722 crop model simulations, run using global climate model output under several emissions scenarios, to evaluate the potential effects of climate change and adaptation on crop
Climate Change, by Challinor et al. (2014) examines 1,722 crop
model simulations,
run using
global climate model output under several emissions scenarios, to evaluate the potential effects of climate change and adaptation on crop
climate model output under several emissions scenarios, to evaluate the potential effects of
climate change and adaptation on crop
climate change and adaptation on crop yield.
Using a detailed computer
simulation of
global economic activity and
climate processes, they
ran the
model 400 times with possible tweaks.
As shown in Figure 2, the IPCC FAR
ran simulations using
models with
climate sensitivities (the total amount of
global surface warming in response to a doubling of atmospheric CO2, including amplifying and dampening feedbacks) correspoding to 1.5 °C (low), 2.5 °C (best), and 4.5 °C (high).
Changes in tracer distribution in the troposphere and stratosphere are calculated from a control and doubled CO2
climate simulation run with the Goddard Institute for Space Studies Global Climate Middle Atmosphere
climate simulation run with the Goddard Institute for Space Studies
Global Climate Middle Atmosphere
Climate Middle Atmosphere
Model.
Not long ago, it would have taken several years to
run a high - resolution
simulation on a
global climate model.
Metzger et al. (NRL Stennis Space Center), 5.0 (3.4 - 6.0),
Modeling The
Global Ocean Forecast System (GOFS) 3.1 was
run in forecast mode without data assimilation, initialized with July 1, 2015 ice / ocean analyses, for ten
simulations using National Centers for Environmental Prediction (NCEP)
Climate Forecast System Reanalysis (CFSR) atmospheric forcing fields from 2005 - 2014.
The IPCC FAR
ran simulations using
models with
climate sensitivities (the total amount of
global surface warming in response to a doubling of atmospheric CO2, including amplifying and dampening feedbacks) of 1.5 °C (low), 2.5 °C (best), and 4.5 °C (high) for doubled CO2 (Figure 1).
NRL - ocn - ice, 5.2 (4.3 - 6.0),
Modeling (ice - ocean) The
Global Ocean Forecast System (GOFS) 3.1 was
run in forecast mode without data assimilation, initialized with June 1, 2016 ice / ocean analyses, for ten
simulations using National Centers for Environmental Prediction (NCEP)
Climate Forecast System Reanalysis (CFSR) atmospheric forcing fields from 2005 - 2014.