Welcome to IMAGE 3.2 Documentation and Plant functional types and natural land cover types: Difference between pages

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'''LPJmL plant functional types (PFTs) '''
==IMAGE 3 Documentation==
IMAGE is an Integrated Model to Assess the Global Environment.


The IMAGE model is developed by the IMAGE team under the authority of PBL Netherlands Environmental Assessment Agency.
'''Tree PFTs:'''
* Tropical (trop)
** 1. tropical broad-leaved evergreen;
** 2. tropical broad-leaved raingreen;
* Temperate (tem)
** 3. temperate needle-leaved evergreen;
** 4. temperate broad-leaved evergreen;
** 5. temperate broad-leaved summer green;
* Boreal (bor)
** 6. boreal summer green;
** 7. boreal needle-leaved evergreen;
'''Grass  PFTs:'''
* 8. C3 herbaceous;<br/>
* 9. C4 herbaceous.</div><div style="width:35%";float: left>
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'''IMAGE Natural land cover types (biomes)'''
* Ice
* Tundra
* Wooded tundra
* Boreal forest
* Cool coniferous forest
* Temperate mixed forest
* Temperate deciduous forest
* Warm mixed forest
* Grassland and steppe
* Hot desert
* Scrubland
* Savanna
* Tropical woodland
* Tropical forest
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==Biome classification==
Natural vegetation types (biomes) are classified based on the area shares of the plant functional types ({{AbbrTemplate|PFT}})s and their foliage projected cover (FPC); the mean temperature; and [[NPP (net primary production) - grid|net primary production (NPP)]] according to the flowchart below.
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{{DisplayFigureLeftOptimalTemplate|PFT to NLCT}}


===What is IMAGE?===
[[Category:Glossary]]
IMAGE is an ecological-environmental framework that simulates the environmental consequences of human activities worldwide. It represents interactions between society, the biosphere and the climate system to assess sustainability issues like climate change, biodiversity and human well-being. The objective of IMAGE described here (version {{#show:IMAGEversion |?HasCurrentVersion}}, released in 2014) is to explore the long-term dynamics and impacts of global change as the result of interacting demographic, technological, economic, social, cultural and political factors.
 
===Navigate through the site ===
* [[IMAGE_framework introduction|Introduction]] to framework and Integrated Assessment Modelling.
* [[IMAGE framework summary|Framework summary]] of drivers, models, impacts and policy responses.
* [[Framework_overview|Framework overview]] links to all components,e.g. drivers, core models, impact models and policy responses.
* [[Policy_interventions_overview|Policy interventions overview]] links to policy interventions pages of the models.
* [[Dataflow overview|Dataflow overview]] links to the input/output and models
* [[Applications|Projects/applications overview]] links to projects where IMAGE framework has been applied.
 
===Availability of data results from the framework===
We publish a viewer that gives access to resulting scenario indicators (>200) of some projects. See the [[Download]] page.
 
At IIASA [[URL to database]] IMAGE scenario results are part of the model set. At this site you can view and compare many indicators.
 
===Availability of models===
Most of the models are not available as downloadable software at the moment. They are too complex and rely on use by experts.
 
===The IMAGE 3.0 book===
The [[IMAGE 3.0 book]] is the origin of the content of this site. here we extend and actualise the information on IMAGE framework.

Latest revision as of 12:45, 17 May 2018

LPJmL plant functional types (PFTs)

Tree PFTs:

  • Tropical (trop)
    • 1. tropical broad-leaved evergreen;
    • 2. tropical broad-leaved raingreen;
  • Temperate (tem)
    • 3. temperate needle-leaved evergreen;
    • 4. temperate broad-leaved evergreen;
    • 5. temperate broad-leaved summer green;
  • Boreal (bor)
    • 6. boreal summer green;
    • 7. boreal needle-leaved evergreen;

Grass PFTs:

  • 8. C3 herbaceous;
  • 9. C4 herbaceous.

IMAGE Natural land cover types (biomes)

  • Ice
  • Tundra
  • Wooded tundra
  • Boreal forest
  • Cool coniferous forest
  • Temperate mixed forest
  • Temperate deciduous forest
  • Warm mixed forest
  • Grassland and steppe
  • Hot desert
  • Scrubland
  • Savanna
  • Tropical woodland
  • Tropical forest

Biome classification

Natural vegetation types (biomes) are classified based on the area shares of the plant functional types (PFT)s and their foliage projected cover (FPC); the mean temperature; and net primary production (NPP) according to the flowchart below.


Flowchart for the classification of natural land cover types (biomes) based on of plant functional types
Natural land cover type (biome) classification from area shares of individual Plant Functional Types (PFT)s (expresses as foliage projected cover, FPC) and mean annual temperature (Tmean). Subscripts of FPC refer to individual PFTs (1: tropical broadleaved evergreen, 2: tropical broadleaved raingreen, 3: temperate needleleaved evergreen, 4: temperate broadleaved evergreen, 5: temperate broadleaved summergreen, 6: boreal summergreen, 7: boreal needleleaved evergreen, 8: C3 herbaceous, 9: C4 herbaceous), tropical PFTs (“trop”) are PFTs 1 and 2, temperate PFTs (“temp”) are PFTs 3-5, boreal PFTS (“bor”) are PFTs 6 and 7, tree PFTs (“tree”) are PFTs 1-7, grass PFTs are PFTs 8 and 9.
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