Friday, May 11, 2012


date: Tue, 24 Feb 1998 19:31:55 -0500
from: Joel Smith <>
subject: COSMIC


Sorry to bother you again about the Scenarios Chapter. Jan Feenstra asked if we
would mention the COSMIC model developed by Mike Schlesinger and Larry Williams
(of EPRI). I drafted the following paragraph, which appears below my name. I
suggest putting it at the end of the section describing SCENGEN.

If you want to learn more about COSMIC, its web page address is:




In addition, the University of Illinois at Urbana-Champaign and the Electric
Power Research Institute developed a scenario generator that runs on a desk top
PC, called the Country Specific Model for Intertemporal Climate (COSMIC). It
allows the user to choose between seven sulphate emissions scenarios, ten
greenhouse gas stabilization scenarios (based on the IPCC (Schimel et al., 1996)
and the *WRE* stabilization scenarios (Wigley et al., 1996), outputs from
fourteen GCM models. The model uses a
energy-balance-climate/upwelling-diffusion-ocean model to calculate changes in
mean global temperature and sea level on an annual basis out to 2200. COSMIC
scales the GCM outputs to 0.5o cells and averages the changes in each half
degree cell for each of 158 countries (Williams et al., in press). The scaling
of the GCMs is done in the same fashion as SCENGEN (Larry Williams, EPRI,
personal communication). Results for changes in temperature and precipitation
are given for each month in up to the year requested by the user.

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