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562 4998d 12h werner /src/ calculate ET0 (reference evapotranspiration) that is used for snag decay 're'. Another version of penman monteith is used for calculation.
See the excel - based "re_decomp.xlsx" for details		  
557 5002d 09h werner /src/ added initialization of snags and some new resource unit variables.
Example: model.initialization node:
<snags>
<swdC>12000</swdC>
<swdCN>120</swdCN>
<swdCount>50</swdCount>
<otherC>4000</otherC>
<otherCN>30</otherCN>
<swdDecompRate>0.05</swdDecompRate>
<woodDecompRate>0.05</woodDecompRate>
<swdHalfLife>30</swdHalfLife>
</snags>		  
553 5003d 13h werner /src/core/ another variant to calculate 're', following Adair et al 2008. Based on monthly sums of precipitation and PET. PET is calculated during the water cycle, monthly precipitation is summed in the climate object itself.  
552 5003d 15h werner /src/ fixed bug when calculating 're' with the day / dayOfMonth confusion. Changed name of the data field to avoid future problems.  
547 5005d 14h werner /src/core/ restructured the topLayerWaterContent setting; it is now RU-specific (and not a global parameter)  
546 5005d 16h werner /src/core/ modified calculation of 're' (decay rate for snags), and added new model setting ('topLayerWaterContent') for that purpose. New variable 'waterDeficit' per day in WaterCycle.  
541 5030d 13h werner /src/ included new setting "model.settings.decayReferencePsi"  
540 5030d 13h werner /src/ removed the storage of rel. water content in water cycle module; changed the way the climate modifier (re) for snag/soil decay is calculated.
Added the coarse wood of died trees to the 5-year decay pattern of branches (and renamed therefore to otherWood).		  
534 5039d 12h werner /src/ large(r) update of the soil model. Now, the 'kyl' and 'kyr' parameters (i.e. decomposition rates for the litter/wood-soil pool) are now species parameters and calculated dynamically from the litter inputs.  
532 5043d 03h werner /src/ force calculation of 're' in Snag even if no snags are present (Soil needs that value later)  
528 5043d 05h werner /src/ more enabling of C/N cycling in iLand. little GUI-feature: click on a RU in resource-unit visualization now properly shows RU-related debug outputs.  
526 5043d 09h werner /src/ embedding the soil model into iLand. renamed the snag decay debug output.  
525 5043d 10h werner /src/ implemented ICBM/2N soil model (class Soil) and some testing code. So far, the results look promising.  
524 5043d 15h werner /src/ some polishing of the snag dynamics and extending the debug output for that.  
523 5044d 05h werner /src/ some updates to the snag-book-keeping and debug outputs  
522 5044d 08h werner /src/core/ updating the snag-concept (to version 5 from RS)  
490 5092d 16h werner /src/core/ added calculation of the climate indicator "re" used for snag dynamics (decay rate).  
477 5095d 13h werner /src/ testing and refining snag dynamics (esp. debug outputs)  
476 5095d 13h werner /src/ added snag debug output to the gui
corrected calculation of branch biomass in Tree		  
475 5095d 14h werner /src/ * Snag dynamics
debug output "SnagDynamics"
life cycle of Snag objects
include Snag Dynamics in newYear / year end routines

* threadrunner.cpp: parallel execution of species related tasks, e.g. the seed dispersal. In the current form, the ThreadRunner is much nicer:
ThreadRunner runner(mActiveSpecies);
runner.run(func_ptr);		  

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