IMAGE framework summary/Description: Difference between revisions
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The Human system and the Earth system in IMAGE 3.0 are specified according to their key dynamics. The geographical resolution for socio-economic processes is 26 regions selected because of their relevance for global environmental and/or development issues, and the relatively high degree of coherence within these regions (Figure 2.2). In the Earth system, land use and land-use changes are presented on a grid of 5x5 minutes, while the processes for plant growth, carbon and water cycles are modelled on a 30x30 minutes resolution. | The Human system and the Earth system in IMAGE 3.0 are specified according to their key dynamics. The geographical resolution for socio-economic processes is 26 regions selected because of their relevance for global environmental and/or development issues, and the relatively high degree of coherence within these regions (Figure 2.2). In the Earth system, land use and land-use changes are presented on a grid of 5x5 minutes, while the processes for plant growth, carbon and water cycles are modelled on a 30x30 minutes resolution. | ||
{{DisplayFigureLeftOptimalTemplate|Region classification map}} | {{DisplayFigureLeftOptimalTemplate|Region classification map}} | ||
See [[Region classification]] for a detailed overview of the IMAGE 3.0 regions. | |||
===Temporal scale=== | ===Temporal scale=== | ||
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The IMAGE core model comprises most parts of the Human system and the Earth system, including the energy system, land-use and plant growth, carbon and water cycle model LPJmL. The IMAGE framework includes soft-linked models, such as the agro-economic model MAGNET, and PBL policy and impact models, such as FAIR (climate policy), GLOBIO (biodiversity), GLOFRIS (flood risks) and GISMO (human development). | The IMAGE core model comprises most parts of the Human system and the Earth system, including the energy system, land-use and plant growth, carbon and water cycle model LPJmL. The IMAGE framework includes soft-linked models, such as the agro-economic model MAGNET, and PBL policy and impact models, such as FAIR (climate policy), GLOBIO (biodiversity), GLOFRIS (flood risks) and GISMO (human development). | ||
See [[Computer models overview]]. | See [[Computer models overview]]. | ||
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===The Rio+20 study=== | ===The Rio+20 study=== | ||
Using the IMAGE model, the PBL study Rio+20 ([[PBL, 2012]]) assessed pathways to achieve ambitious global sustainability targets in 2050, including limiting climate change to 2 °C, stabilising biodiversity loss and providing full access to energy, water and food. The baseline scenario assessed possible development without major changes in current policies. Three alternative scenarios assessed possible routes to achieving the sustainability targets. The first scenario (Global Technology) was directed to achieving the target mainly through large-scale introduction of advanced technologies. The second scenario (Decentralised Solutions) assessed achieving the long-term targets by introducing small-scale technologies and emphasising local-scale solutions. The third scenario (Consumption Change) focused on the role of lifestyle changes in achieving the targets. In this chapter, the Rio+20 study is used to illustrate potential assessments with IMAGE. | Using the IMAGE model, the PBL study Rio+20 ([[PBL, 2012]]) assessed pathways to achieve ambitious global sustainability targets in 2050, including limiting climate change to 2 °C, stabilising biodiversity loss and providing full access to energy, water and food. The baseline scenario assessed possible development without major changes in current policies. Three alternative scenarios assessed possible routes to achieving the sustainability targets. The first scenario (Global Technology) was directed to achieving the target mainly through large-scale introduction of advanced technologies. The second scenario (Decentralised Solutions) assessed achieving the long-term targets by introducing small-scale technologies and emphasising local-scale solutions. The third scenario (Consumption Change) focused on the role of lifestyle changes in achieving the targets. In this chapter, the Rio+20 study is used to illustrate potential assessments with IMAGE. | ||
{{#show:PBL, 2012|? HasFormattedreference}} | |||
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In the consequent pages of the summary, the various components of the IMAGE system are described briefly, and in further detail in the Component pages. Results from the Rio+20 study (PBL, 2012, see above) and some other studies are used in this chapter to illustrate the main model output. | |||
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Revision as of 17:58, 9 May 2014
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