Subversion Repositories public iLand

Rev

Go to most recent revision | Show changed files | Details | Compare with Previous | Blame | RSS feed

Filtering Options

Rev Age Author Path Log message Diff
562 5006d 23h 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		  
561 5007d 02h werner /src/core/ update of the watercycle:
* changed the calc. of svp-slope (saturated vapor pressure) from homebrewn derivation to FAO code (Allen et al).
* use now "net radiation" instead of global radiation. "net rad" is calculated from a linear estimation with fixed coefficients (source: 3pg)
The results show only very little differences (e.g.: base version: yearly et: 698mm, after updates: 666mm). (see penman-monteith_2011_test.xls)		  
554 5011d 23h werner / new version - somewhat intermediate.
contains the *next* version of 're' calculation and seems to have still problems with the PET calculation. This version is solely for testing purposes.		  
553 5012d 00h 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.  
547 5014d 01h werner /src/core/ restructured the topLayerWaterContent setting; it is now RU-specific (and not a global parameter)  
546 5014d 03h 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.  
540 5039d 00h 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).		  
504 5082d 20h werner /src/ New output for "saplings"  
503 5082d 21h werner /src/ water cycle: fixed a regression with the calculation of average aging.
added "canopyConductance" as variable for resource units.
added a GUI option to change the current log level.		  
502 5083d 02h werner /src/core/ water cycle for resource units without adult trees; adapted water use for RUs with only few stands by adding "ground cover" up to LAI=1 with default characteristics.  
496 5100d 02h werner /src/core/ changed the behavior of the water-cycle wrt establishment: now the water cycle is executed even if no adult trees are on a resource unit  
484 5103d 01h werner /src/ modified release of memory of trees; QVector::resere() does not actually shrink memory; so now "squeeze()" is used.  
482 5103d 02h werner /src/core/ fixed bug that recruited trees modified the average aging calculation; added some diagnostic code here and there.  
455 5159d 02h werner /src/ changed the layout of the resourceUnitSpecies from a QVector to a QList<ResourceUnitSpecies*>. This seems to be much more appropriate. But caused many small changes throughout the project.  
431 5238d 16h werner /src/ included the logLevel-Functions at several locations in the source code.
added a option to only display debug messages in the DebugTimer destructor when elapsed time is longer than one millisecond.		  
379 5277d 05h werner /src/core/ included switch to use either field capacity or water saturation for water calculations.  
377 5278d 05h werner /src/core/ added aging to g_c calculation (WaterCycle).  
372 5285d 18h werner /src/core/ corrected default value for boundary layer conductance (now 0.2)  
368 5286d 05h werner /src/ new model settings: laiThresholdForClosedStand, boundaryLayerConductance.
dropped the "evapotranspirationBGC" and the related model settings		  
367 5286d 05h werner /src/core/ changes in the watercycle.
see http://iland.boku.ac.at/tiki-view_tracker_item.php?itemId=30
the calculation of the effect on the canopy conductance is changed. Now, the combined effects of soil water and vpd response together modify the canopy conductance. In order to do this some structural changes have been necessary. Note: now the response values for vpd and soil water are calculated two times.		  

←Prev12Next→

Show All