Thematic Guide to Integrated Assessment Modeling

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CHAPTER I - INTRODUCTION

This document is intended to enable a user to use the personal computer version of the IEA/ORAU Long-Term Global Energy-Economic Model with fossil fuel CO2 emissions. It provides the user with a brief introduction to the model, its nature and its capabilities (Chapters I, II, III). Its main objective is to enable the user to run the model and obtain output. This discussion is conducted at two levels: general user (Chapters IV and V) and technical specialist (Chapters VI and VII).

NOTE: To obtain a copy of the model contact the

Carbon Dioxide Information Center
P.O. Box X
Oak Ridge, TN 37831

The motel is available in two forms: (1) ready to run (executive load module) and (2) uncompiled FORTRAN code. Users who wish to obtain the Fortran code must have access to their own compiler to modify and/or run the model.

This guide assumes that the user has already installed the model, as delivered from CDIC, on their IBM personal computer. To run the model, the following hardware is necessary:

• IBM PC with > 520K

To run the color graphics output module the user also needs to have access to

• IBM Color Monitor
  
• Color Graphics Board

Note: The program will display tabular but not graphical output on any monitor.

Another useful piece of hardware is a printer.

The model was developed for the U.S. Department of Energy, Office of Energy Research, Carbon Dioxide Research Division to assist them in their study of energy and global climate change. This model analyzes the relationship between economic, technological , demographic, and geological factors influencing the long-term production, consumption and trade of energy on a global scale. An additional module computes the emission of CO2 as a function of fossil fuel use.

Time Scale: The model is a long-term forecast. It can be run as far into the future as the year 2100. Benchmark years are, 2000, 2025, 2050, 2075, and 2100.

Geopolitical Scale: The model covers energy production and use for the entire world. The world is divided into nine global regions (Figure 1.1 ) :

1. USA
2. Western Europe and Canada
3. Japan, Australia, and New Zealand
4. USSR and Eastern Europe
5. China and other Asian Centrally Planned Economies
6. Mideast
7. Africa
8. Latin America
9. South and East Asia

Other aggregates that will be referred to in this user's guide are: Aggregate Regions Included OECD (Organization for 1 + 2 + 3 Economic Cooperation and Development) North 1 + 2 + 3 + 4 South 5 + 6 + 7 + 8 + 9 CPE (Centrally Planned 4 + 5 Economies) The Data Base: The data base provided with this code is one which contains median (best guess) values for key variables. This data set was developed as part of a study of uncertainty in future CO2 emissions. The researchers felt comfor table with the resulting global aggregate forecasts generated by this data set and model. No attempt was made to insure that the regionally disaggregated pattern of energy supply was reasonable. As a consequence numerous anomolous regional disaggregates appear. The user is cautioned to take care in the use of regionally disaggregated results particularly in the area of energy supply. Neither the authors nor the Oak Ridge Associated Universities, nor CDIC, nor the U.S. Department of Energy nor t he U.S. Government make any warranty, expressed or implied or assume completeness or usefulness of any information contained in this document or in the model it describes.

 

The next page is Chapter 2: Model Structure - An Overview

 

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Suggested Citation

Center for International Earth Science Information Network (CIESIN). 1995. Thematic Guide to Integrated Assessment Modeling of Climate Change [online]. University Center, Mich.
CIESIN URL: http://sedac.ciesin.org/mva/iamcc.tg/TGHP.html

 

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