Changes between Version 16 and Version 17 of Documentation/UserGuide/SpinUpCarbon


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Timestamp:
2020-02-28T15:42:12+01:00 (4 years ago)
Author:
maignan
Comment:

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  • Documentation/UserGuide/SpinUpCarbon

    v16 v17  
    1313The protocol comprises: 
    1414 - '''1) A long spin up simulation''' equivalent to several thousands of years should be done, recycling the meteorological forcing (usually cycling over the first 10 years of available forcing files) and choosing the atmospheric CO2 concentration of pre-industrial conditions. This brings the above and below ground C pools into equilibrium. It should be done either with: 
    15   - The iterative pseudo-analytical spinup procedure (see below): in this case a relatively shorter simulation should first be done (around 200 to 300 years) in order to bring the above ground C pools and fluxes into equilibrium. This provides an equilibrium for the input of C to the soil; the iterative pseudo-analytical spinup configuration then allows to bring the soil carbon pools to equilibrium in a few matrix inversions, given that the soil carbon dynamic follows first order kinetic equations.  
    16   - The forcesoil configuration for 2-3 thousands years  
     15  - The iterative pseudo-analytical spinup procedure (see below): in this case a relatively shorter simulation should first be done (around 200 to 300 years) in order to bring the above ground C pools and fluxes into equilibrium. This provides an equilibrium for the input of C to the soil; the iterative pseudo-analytical spinup configuration SPINUP_ANALYTIC then allows to bring the soil carbon pools to equilibrium in a few matrix inversions, given that the soil carbon dynamic follows first order kinetic equations.  
     16  - The old SPINUP configuration using stomate and forcesoil (see below) 
    1717  - A simple model simulation for 2-3 thousands years (cycling 10 years of meteorological forcing files)  
    1818 This first step leads to an equilibrium of all C reservoirs with the chosen climate and atmospheric CO2 concentration.