Carbon cycle and natural vegetation: Difference between revisions

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=== Modelling===
=== Modelling===
Terrestrial carbon-cycle and vegetation models contribute to a better understanding of the dynamics of the terrestrial biosphere related to  the underlying processes and their relation to the terrestrial water cycle (see Section 6.3) and land use (see [[Agricultural economy and forestry]]). The [[LPJmL model]] ([[Sitch et al., 2003]]; [[Gerten et al., 2004]]; [[Bondeau et al., 2007]]) replaces the earlier IMAGE-2  carbon cycle and biome model ([[Klein Goldewijk et al., 1994]]; [[Van Minnen et al., 2000]]). Here, we give a general overview of the LPJmL model in the IMAGE context, with a focus on carbon and biome dynamics. For a detailed description of the IMAGE-[[LPJ model|LPJ]] C cycle model and a sensitivity analysis, see (Müller et al., 2013<ref>[[Müller et al.,b (unpublished)]]</ref>).
Terrestrial carbon-cycle and vegetation models contribute to a better understanding of the dynamics of the terrestrial biosphere related to  the underlying processes and their relation to the terrestrial water cycle (see Section 6.3) and land use (see [[Agricultural economy and forestry]]). The [[LPJmL model]] ([[Sitch et al., 2003]]; [[Gerten et al., 2004]]; [[Bondeau et al., 2007]]) replaces the earlier IMAGE-2  carbon cycle and biome model ([[Klein Goldewijk et al., 1994]]; [[Van Minnen et al., 2000]]). Here, we give a general overview of the LPJmL model in the IMAGE context, with a focus on carbon and biome dynamics. For a detailed description of the IMAGE-[[LPJ model|LPJ]] C cycle model and a sensitivity analysis, see (Müller et al., 2013<ref>[[Müller et al.,b (unpublished)]]</ref>).
==Links to other parts==
The [[LPJmL model]] has multiple links to other parts of the IMAGE model – for input and output (see tables below). Basically, IMAGE provides data on climate, atmospheric CO2 concentration, land- use (including wood demand), and timber use and deforestation techniques (cutting, burning). LPJmL uses this information and subsequently provides the other IMAGE modules with information on annual carbon fluxes, the net CO2 exchange between biosphere and atmosphere, the size of different carbon pools, and biome classes (see tables below).


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Revision as of 17:51, 6 January 2014

Link to framework components overview

Parts of Carbon cycle and natural vegetation

  1. Introduction page
  2. Model description
  3. Policy issues
  4. Data, uncertainty and limitations
  5. Overview of references
Component is implemented in:
Components:
Related IMAGE components
Models/Databases
Key publications
References
Carbon cycle and natural vegetation module of LPJmL, in IMAGE 3.0
Flowchart Carbon cycle and natural vegetation. See also the Input/Output Table on the introduction page.

Key policy issues

  • What is the role of the terrestrial biosphere in the global carbon cycle, how will it change in time as a result of climate and land-use change?
  • To what extent can the terrestrial biosphere contribute to reducing the accumulation of CO2 in the atmosphere and what are viable mechanisms?
  • What opportunities exist to reduce land-use related carbon emissions (e.g. REDD) and even enhance the carbon uptake through the establishment of new forests.
  • What are the contributions of land-use change, climate change and CO2 fertilization on the future carbon cycle and how can these be considered in climate policies?

Introduction


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