SandBox

Variabelen van Atmospheric composition and climate modelling

Drivers (type: driver)

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Driver	Description	Source
Adaptation level	Level of adaptation to climate change , defined as the share of climate change damage avoided by adaptation. This level is be calculated by the model to minimise adaptation costs and residual damage, or set by the user.
Air pollution policy	Air pollution policies set to reach emission reduction targets, represented in the model in the form of energy carrier and sector specific emission factors.	EDGAR database
Animal productivity	Effective production of livestock commodities per animal per year.	FAOSTAT database
Biofuel policy	Policies to foster the use of biofuels in transport, such as financial incentives and biofuel mandates and obligations.
Built-up area - grid	Urban built-up area per grid cell, excluded from all biophysical modelling in IMAGE, increasing over time as a function of urban population and a country- and scenario-specific urban density curve.
Capital supply	Capital available to replace depreciated stock and expand the stock to support economic growth.	GTAP database
Climate target	Climate target, defined in terms of concentration levels, radiative forcing, temperature targets, or cumulative emissions.
Domestic climate policy	Planned and/or implemented national climate and energy policies, such as taxes, feed-in tariffs, renewable targets, efficiency standards, that affect projected emission reduction.
Energy efficiency technology	Model assumptions determining future development of energy efficiency.
Energy intensity parameters	Set of parameters determining the energy use per unit of economic activity (in absence of technical energy efficiency improvements).	IEA
Energy policy	Policy to achieve energy system objectives, such as energy security and energy access.
Energy resources	Volume of energy resource per carrier, region and supply cost class (determines depletion dynamics).
Equity principles	General concepts of distributive justice or fairness used in effort sharing approaches. Three key equity principles are: Responsibility (historical contribution to warming); capability (ability to pay for mitigation); and equality (equal emissions allowances per capita).
Feed conversion	Measure of an animal's efficiency in converting feed mass into the desired output such as meat and milk (for cattle, poultry, pigs, sheep and goats).	FAOSTAT database
Fertiliser use efficiency	Ratio of fertiliser uptake by a crop to fertiliser applied.	FAOSTAT database
Forest plantation demand	Demand for forest plantation area.	FAOSTAT database
Fraction of selective logging	The fraction of forest harvested in a grid, in clear cutting, selective cutting, wood plantations and additional deforestation. Fraction of selective cut determines the fraction of timber harvested by selective cutting of trees in semi-natural and natural forest.
GDP per capita	Gross Domestic Product per capita, measured as the market value of all goods and services produced in a region in a year, and is used in the IMAGE framework as a generic indicator of economic activity.	World Bank database
GDP per capita - grid	Scaled down GDP per capita from country to grid level, based on population density.
GINI coefficient	Measure of income disparity in a population. If all have the same income, GINI equals 1. The lower the GINI, the wider the gap between the lowest and highest income groups.	World Bank database
Harvest efficiency	Fraction of harvested wood used as product, the remainder being left as residues. Specified per biomass pool and forestry management type.
Increase in irrigated area - grid	Increase in irrigated area, often based on external projections (e.g., FAO).	FAO IIASA
Irrigation conveyance efficiency	Ratio of water supplied to the irrigated field to the quantity withdrawn from the water source, determining the quantity of water lost during transport. This parameter is defined at country level.	PIK
Irrigation project efficiency	Ratio of quantity of irrigation water required by the crop (based on soil moisture deficits) to the quantity withdrawn from rivers, lakes, reservoirs or other sources. This parameter is given at country level.	PIK
Irrigation system	Type of irrigation system: surface, sprinkler or drip. This is allocated at country level, based on Jagermeyr et al (2015).
Labour supply	Effective supply of labour input to support economic activities, taking into account the participation rate of age cohorts.
Learning rate	Determines the rate of technology development in learning equations.
Lifestyle parameters	Lifestyle parameters influence the relationship between economic activities and demand for energy.	IEA
Livestock rations	Determines the feed requirements per feed type (food crops; crop residues; grass and fodder; animal products; scavenging), specified per animal type and production system (extensive/intensive/backyard/intermediate/intensive/broiler/laying hens).
Manure spreading fraction	Fraction of manure produced in staples that is spread on agricultural areas.
Population	Number of people per region.	UN
Population - grid	Number of people per gridcell (using downscaling).	UN
Preferences	Non-price factors determining market shares, such as preferences, environmental policies, infrastructure and strategic considerations, used for model calibration.
Private consumption	Private consumption reflects expenditure on private household consumption. It is used in IMAGE as a driver of energy.	The World Bank
Production system mix	Livestock production is distributed over two systems for dairy and beef production (intensive: mixed and industrial; extensive: pastoral grazing), and to three systems for pigs (backyard, intermediate, intensive) and poultry (backyard, boilers, laying hens) with specific intensities, rations and feed conversion ratios.
Protected area - grid	Map of protected nature areas, limiting use of this area.	WDPA database
Sector value added	Value Added for economic sectors: Industry (IVA), Services (SVA) and Agriculture (AVA). These variables are used in IMAGE to indicate economic activity.
Taxes and other additional costs	Taxes on energy use, and other additional costs	IEA
Technological change (crops and livestocks)	Increase in productivity in crop production (yield/ha) and livestock production (carcass weight, offtake rate).	FAO
Technology development of energy conversion	Learning curves and exogenous learning that determine technology development.
Technology development of energy supply	Learning curves and exogenous learning that determine technology development.
Timber demand	Demand for roundwood and pulpwood per region.	FAO
Trade policy	Assumed changes in market and non-market instruments that influence trade flows, subject to WTO rules and country and region regulation.
Trade restriction	Trade tariffs and barriers limiting trade in energy carriers (in energy submodel).
Urban population fraction	Urban/rural split of population.	UN

Input variabelen (type: model)

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Parameter (type: parameter)

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Output variabelen (type: model)

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Caption tonen van een plaatje

• AnimalandCropProducts.png

  Animal and crop production

• ElectricCapacityComparison.png

  Electric capacity comparison

Test van Rineke

• propertytest

3

• Application property test

1. geen property:
2. wel property: DOE IETS

• infoboxtest

1. Energy conversion: Doe iets

1. Hoogwijk, 2004 : doe niets

• subpagetest:

1. subpagevalue: 8
2. pagevalue: 0

• infoboxrtest:

1. Energy conversion: 1
2. Energy conversion/Description: 1

Footnote test

Just testing if we can make footnotes.

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