Changes between Version 8 and Version 9 of DevelopmentActivities/ORCHIDEE-CNP/issues


Ignore:
Timestamp:
2016-03-17T17:06:09+01:00 (8 years ago)
Author:
dgoll
Comment:

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  • DevelopmentActivities/ORCHIDEE-CNP/issues

    v8 v9  
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    3434 
    35 === MAJOR ISSUE: Endless accumualtion of heartwood === 
    36 I experience that the heartwood pool is still accumulating biomass after 500 yr of simulation reaching a stock of appr. 45kg/m2. This is very high.  When using the value for tau_sap of the trunk version of ORCHIDEE (730days) instead of ORCHIDEE-CAN (11680days) the pool reaches after 250 years 5kg/m2 instead of 30kg/m2. Therefore I use now the trunk parameter value. 
     35=== Too much heartwood === 
     36I experience that the heartwood pool is still accumulating biomass after 500 yr of simulation reaching a stock of appr. 45kg/m2. This is very high compared to estimates of total biomass ranging between 3-15 kg/m2 (Houghton et al. 2005).  When using the value for tau_sap of the trunk version of ORCHIDEE (730days) instead of ORCHIDEE-CAN (11680days) the pool reaches after 250 years 5kg/m2 instead of 30kg/m2. Therefore I use now the trunk parameter value. 
    3737 
    3838See attached file "Heartwood.pdf" for more information