IMAGE framework/Uncertainties: Difference between revisions
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{{FrameworkIntroductionPartTemplate | {{FrameworkIntroductionPartTemplate | ||
|Application=Applications; | |Application=Applications; | ||
|Reference=Van Vuuren, 2007; Brinkman et al., 2005; | |Reference=Van Vuuren, 2007; Brinkman et al., 2005; | ||
|Description=<h2>Uncertainties</h2> | |Description=<h2>Uncertainties</h2> | ||
Uncertainties and limitations with regard to IMAGE are described in [[IMAGE framework summary]] and for each IMAGE component separately in the | Uncertainties and limitations with regard to IMAGE are described in [[IMAGE framework summary]] and for each IMAGE component separately in the model component pages (via [[Framework overview]]). Generic aspects of uncertainty in IMAGE are outlined below. | ||
===Structural key data uncertainty=== | ===Structural key data uncertainty=== | ||
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===Level of aggregation=== | ===Level of aggregation=== | ||
A distinct source of uncertainty arises from the level of aggregation, with socio-economic processes represented by 26 regions, and the terrestrial biosphere modelled at 5 or 30 minute grid cells. At region and grid cell, all behaviour is average behaviour, not taking into account heterogeneity within a region (e.g., in income distribution, economy, farming systems), and at grid cell (e.g., climate, soils, and landscape composition). Major differences between countries in a world region are masked and all future trends apply to the average, although countries may develop along different pathways. Thus, land use on a country or sub-country level is possible on a 5-minute map but must be interpreted with caution. | A distinct source of uncertainty arises from the level of aggregation, with socio-economic processes represented by 26 regions, and the terrestrial biosphere modelled at 5 or 30 minute grid cells. At region and grid cell, all behaviour is average behaviour, not taking into account heterogeneity within a region (e.g., in income distribution, economy, farming systems), and at grid cell (e.g., climate, soils, and landscape composition). Major differences between countries in a world region are masked and all future trends apply to the average, although countries may develop along different pathways. Thus, land use on a country or sub-country level is possible on a 5-minute map but must be interpreted with caution. | ||
|PageLabel=Uncertainties | |PageLabel=Uncertainties | ||
|Sequence=7 | |Sequence=7 | ||
}} | }} | ||
Revision as of 14:49, 24 June 2014
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