//--------------------------------------------------------------------- public void CohortPartialMortality(object sender, Landis.Library.BiomassCohorts.PartialDeathEventArgs eventArgs) { ExtensionType disturbanceType = eventArgs.DisturbanceType; ActiveSite site = eventArgs.Site; Landis.Library.BiomassCohorts.ICohort cohort = eventArgs.Cohort; double fractionPartialMortality = (double)eventArgs.Reduction / (double)cohort.Biomass; //PlugIn.ModelCore.UI.WriteLine(" BIOMASS SUCCESSION PARTIAL MORTALITY START: species={0}, age={1}, biomass={2}, fraction_mortality={3:0.00}.", cohort.Species.Name, cohort.Age, cohort.Biomass, fractionPartialMortality); int nonWoody = cohort.ComputeNonWoodyBiomass(site); int woody = (cohort.Biomass - nonWoody); int foliarInput = (int)((double)nonWoody * fractionPartialMortality); int woodInput = (int)((double)woody * fractionPartialMortality); if (disturbanceType.IsMemberOf("disturbance:harvest") || disturbanceType.IsMemberOf("disturbance:fire")) { AgeOnlyDisturbances.PoolPercentages cohortReductions = AgeOnlyDisturbances.Module.Parameters.CohortReductions[disturbanceType]; foliarInput = AgeOnlyDisturbances.Events.ReduceInput(foliarInput, cohortReductions.Foliar); woodInput = AgeOnlyDisturbances.Events.ReduceInput(woodInput, cohortReductions.Wood); } ForestFloor.AddWoody(woodInput, cohort.Species, site); ForestFloor.AddLitter(foliarInput, cohort.Species, site); //PlugIn.ModelCore.UI.WriteLine(" BIOMASS SUCCESSION PARTIAL MORTALITY SUMMARY: Cohort Partial Mortality: species={0}, age={1}, disturbance={2}.", cohort.Species.Name, cohort.Age, disturbanceType); //PlugIn.ModelCore.UI.WriteLine(" InputB/TotalB: Foliar={0:0.00}/{1:0.00}, Wood={2:0.0}/{3:0.0}.", foliarInput, nonWoody, woodInput, woody); return; }
//--------------------------------------------------------------------- public void CohortPartialMortality(object sender, Landis.Library.BiomassCohorts.PartialDeathEventArgs eventArgs) { ExtensionType disturbanceType = eventArgs.DisturbanceType; ActiveSite site = eventArgs.Site; Landis.Library.BiomassCohorts.ICohort cohort = eventArgs.Cohort; float fractionPartialMortality = (float)eventArgs.Reduction; //PlugIn.ModelCore.UI.WriteLine("Cohort experienced partial mortality: species={0}, age={1}, wood_biomass={2}, fraction_mortality={3:0.0}.", cohort.Species.Name, cohort.Age, cohort.WoodBiomass, fractionPartialMortality); AgeOnlyDisturbances.PoolPercentages cohortReductions = AgeOnlyDisturbances.Module.Parameters.CohortReductions[disturbanceType]; int nonWoody = cohort.ComputeNonWoodyBiomass(site); int woody = (cohort.Biomass - nonWoody); int foliar = (int)(nonWoody * fractionPartialMortality); int wood = (int)(woody * fractionPartialMortality); int foliarInput = AgeOnlyDisturbances.Events.ReduceInput(foliar, cohortReductions.Foliar); int woodInput = AgeOnlyDisturbances.Events.ReduceInput(wood, cohortReductions.Wood); ForestFloor.AddWoody(woodInput, cohort.Species, site); ForestFloor.AddLitter(foliarInput, cohort.Species, site); //PlugIn.ModelCore.UI.WriteLine("EVENT: Cohort Partial Mortality: species={0}, age={1}, disturbance={2}.", cohort.Species.Name, cohort.Age, disturbanceType); //PlugIn.ModelCore.UI.WriteLine(" Cohort Reductions: Foliar={0:0.00}. Wood={1:0.00}.", cohortReductions.Foliar, cohortReductions.Wood); //PlugIn.ModelCore.UI.WriteLine(" InputB/TotalB: Foliar={0:0.00}/{1:0.00}, Wood={2:0.0}/{3:0.0}.", foliarInput, foliar, woodInput, wood); return; }
//--------------------------------------------------------------------- private double UpdateDeadBiomass(ICohort cohort, double actualANPP, double totalMortality, ActiveSite site, double newBiomass) { ISpecies species = cohort.Species; double leafLongevity = SpeciesData.LeafLongevity[species]; double cohortBiomass = newBiomass; // Mortality is for the current year's biomass. double leafFraction = ComputeFractionANPPleaf(species); // First, deposit the a portion of the leaf mass directly onto the forest floor. // In this way, the actual amount of leaf biomass is added for the year. double annualLeafANPP = actualANPP * leafFraction; ForestFloor.AddLitter(annualLeafANPP, species, site); // -------------------------------------------------------------------------------- // The next section allocates mortality from standing (wood and leaf) biomass, i.e., // biomass that has accrued from previous years' growth. // Subtract annual leaf growth as that was taken care of above. totalMortality -= annualLeafANPP; // Assume that standing foliage is equal to this years annualLeafANPP * leaf longevity // minus this years leaf ANPP. This assumes that actual ANPP has been relatively constant // over the past 2 or 3 years (if coniferous). double standing_nonwood = (annualLeafANPP * leafLongevity) - annualLeafANPP; double standing_wood = Math.Max(0, cohortBiomass - standing_nonwood); double fractionStandingNonwood = standing_nonwood / cohortBiomass; // Assume that the remaining mortality is divided proportionally // between the woody mass and non-woody mass (Niklaus & Enquist, // 2002). Do not include current years growth. double mortality_nonwood = Math.Max(0.0, totalMortality * fractionStandingNonwood); double mortality_wood = Math.Max(0.0, totalMortality - mortality_nonwood); if (mortality_wood < 0 || mortality_nonwood < 0) { throw new ApplicationException("Error: Woody input is < 0"); } // Add mortality to dead biomass pools. if (mortality_wood > 0) { ForestFloor.AddWoody((ushort)mortality_wood, species, site); } if (mortality_nonwood > 0) { ForestFloor.AddLitter(mortality_nonwood, species, site); } // Total mortality not including annual leaf litter M_noLeafLitter = (int)mortality_wood; return(annualLeafANPP + mortality_nonwood + mortality_wood); }
//--------------------------------------------------------------------- public void CohortPartialMortality(object sender, Landis.Library.BiomassCohorts.PartialDeathEventArgs eventArgs) { ExtensionType disturbanceType = eventArgs.DisturbanceType; ActiveSite site = eventArgs.Site; Landis.Library.BiomassCohorts.ICohort cohort = eventArgs.Cohort; double fractionPartialMortality = (double)eventArgs.Reduction / (double)cohort.Biomass; //PlugIn.ModelCore.UI.WriteLine(" BIOMASS SUCCESSION PARTIAL MORTALITY START: species={0}, age={1}, biomass={2}, fraction_mortality={3:0.00}.", cohort.Species.Name, cohort.Age, cohort.Biomass, fractionPartialMortality); int nonWoody = cohort.ComputeNonWoodyBiomass(site); int woody = (cohort.Biomass - nonWoody); float foliarInput = ((float)nonWoody * (float)fractionPartialMortality); float woodInput = ((float)woody * (float)fractionPartialMortality); if (disturbanceType.IsMemberOf("disturbance:harvest")) { SiteVars.HarvestPrescriptionName = PlugIn.ModelCore.GetSiteVar <string>("Harvest.PrescriptionName"); if (!Disturbed[site]) // this is the first cohort killed/damaged { HarvestEffects.ReduceLayers(SiteVars.HarvestPrescriptionName[site], site); } woodInput -= woodInput * (float)HarvestEffects.GetCohortWoodRemoval(site); foliarInput -= foliarInput * (float)HarvestEffects.GetCohortLeafRemoval(site); } if (disturbanceType.IsMemberOf("disturbance:fire")) { SiteVars.FireSeverity = PlugIn.ModelCore.GetSiteVar <byte>("Fire.Severity"); if (!Disturbed[site]) // this is the first cohort killed/damaged { if (SiteVars.FireSeverity != null && SiteVars.FireSeverity[site] > 0) { FireEffects.ReduceLayers(SiteVars.FireSeverity[site], site); } } double woodFireConsumption = woodInput * (float)FireEffects.ReductionsTable[(int)SiteVars.FireSeverity[site]].CoarseLitterReduction; double foliarFireConsumption = foliarInput * (float)FireEffects.ReductionsTable[(int)SiteVars.FireSeverity[site]].FineLitterReduction; woodInput -= (float)woodFireConsumption; foliarInput -= (float)foliarFireConsumption; } ForestFloor.AddWoody(woodInput, cohort.Species, site); ForestFloor.AddLitter(foliarInput, cohort.Species, site); //PlugIn.ModelCore.UI.WriteLine(" BIOMASS SUCCESSION PARTIAL MORTALITY SUMMARY: Cohort Partial Mortality: species={0}, age={1}, disturbance={2}.", cohort.Species.Name, cohort.Age, disturbanceType); //PlugIn.ModelCore.UI.WriteLine(" InputB/TotalB: Foliar={0:0.00}/{1:0.00}, Wood={2:0.0}/{3:0.0}.", foliarInput, nonWoody, woodInput, woody); return; }
public void CohortTotalMortality(object sender, DeathEventArgs eventArgs) { ExtensionType disturbanceType = eventArgs.DisturbanceType; ActiveSite site = eventArgs.Site; ICohort cohort = (Landis.Library.BiomassCohorts.ICohort)eventArgs.Cohort; int foliarInput = cohort.ComputeNonWoodyBiomass(site); int woodInput = (cohort.Biomass - foliarInput); if (disturbanceType != null) { if (PlugIn.CalibrateMode && PlugIn.ModelCore.CurrentTime > 0) { PlugIn.ModelCore.UI.WriteLine(" BIOMASS SUCCESSION TOTAL MORTALITY: species={0}, age={1}, woodInput={2}, foliarInputs={3}.", cohort.Species.Name, cohort.Age, woodInput, foliarInput); } if (disturbanceType.IsMemberOf("disturbance:fire")) { SiteVars.FireSeverity = PlugIn.ModelCore.GetSiteVar <byte>("Fire.Severity"); Landis.Library.Succession.Reproduction.CheckForPostFireRegen(eventArgs.Cohort, site); if (!Disturbed[site]) // the first cohort killed/damaged { if (SiteVars.FireSeverity != null && SiteVars.FireSeverity[site] > 0) { FireEffects.ReduceLayers(SiteVars.FireSeverity[site], site); } } double woodFireConsumption = woodInput * (float)FireEffects.ReductionsTable[(int)SiteVars.FireSeverity[site]].CoarseLitterReduction; double foliarFireConsumption = foliarInput * (float)FireEffects.ReductionsTable[(int)SiteVars.FireSeverity[site]].FineLitterReduction; woodInput -= (int)woodFireConsumption; foliarInput -= (int)foliarFireConsumption; } else { if (disturbanceType.IsMemberOf("disturbance:harvest")) { SiteVars.HarvestPrescriptionName = PlugIn.ModelCore.GetSiteVar <string>("Harvest.PrescriptionName"); if (!Disturbed[site]) // the first cohort killed/damaged { HarvestEffects.ReduceLayers(SiteVars.HarvestPrescriptionName[site], site); } woodInput -= (int)(woodInput * (float)HarvestEffects.GetCohortWoodRemoval(site)); foliarInput -= (int)(foliarInput * (float)HarvestEffects.GetCohortLeafRemoval(site)); } // If not fire, check for resprouting: Landis.Library.Succession.Reproduction.CheckForResprouting(eventArgs.Cohort, site); } } //PlugIn.ModelCore.UI.WriteLine("Cohort Died: species={0}, age={1}, wood={2:0.00}, foliage={3:0.00}.", cohort.Species.Name, cohort.Age, wood, foliar); ForestFloor.AddWoody(woodInput, cohort.Species, eventArgs.Site); ForestFloor.AddLitter(foliarInput, cohort.Species, eventArgs.Site); // Assume that ALL dead root biomass stays on site. //Roots.AddCoarseRootLitter(Roots.CalculateCoarseRoot(cohort, cohort.WoodBiomass), cohort, cohort.Species, eventArgs.Site); //Roots.AddFineRootLitter(Roots.CalculateFineRoot(cohort, cohort.LeafBiomass), cohort, cohort.Species, eventArgs.Site); if (disturbanceType != null) { Disturbed[site] = true; } return; //ExtensionType disturbanceType = eventArgs.DisturbanceType; //if (disturbanceType != null) //{ // ActiveSite site = eventArgs.Site; // Disturbed[site] = true; // if (disturbanceType.IsMemberOf("disturbance:fire")) // Reproduction.CheckForPostFireRegen(eventArgs.Cohort, site); // else // Reproduction.CheckForResprouting(eventArgs.Cohort, site); //} }
//--------------------------------------------------------------------- public void CohortPartialMortality(object sender, Landis.Library.BiomassCohorts.PartialDeathEventArgs eventArgs) { ExtensionType disturbanceType = eventArgs.DisturbanceType; ActiveSite site = eventArgs.Site; Landis.Library.BiomassCohorts.ICohort cohort = eventArgs.Cohort; double partialMortality = (double)eventArgs.Reduction; if (PlugIn.CalibrateMode && PlugIn.ModelCore.CurrentTime > 0) { PlugIn.ModelCore.UI.WriteLine(" BIOMASS SUCCESSION PARTIAL MORTALITY I: species={0}, age={1}, disturbance={2}.", cohort.Species.Name, cohort.Age, disturbanceType); PlugIn.ModelCore.UI.WriteLine(" BIOMASS SUCCESSION PARTIAL MORTALITY I: eventReduction={0:0.0}, new_cohort_biomass={1}.", eventArgs.Reduction, cohort.Biomass); } double nonWoodyFraction = (double)cohort.ComputeNonWoodyBiomass(site) / (double)cohort.Biomass; double woodyFraction = 1.0 - nonWoodyFraction; float foliarInput = (float)(partialMortality * nonWoodyFraction); // ((float) nonWoody * (float) fractionPartialMortality); float woodInput = (float)(partialMortality * woodyFraction); // ((float) woody * (float) fractionPartialMortality); if (PlugIn.CalibrateMode && PlugIn.ModelCore.CurrentTime > 0) { PlugIn.ModelCore.UI.WriteLine(" BIOMASS SUCCESSION PARTIAL MORTALITY II: species={0}, age={1}, woodInput={2}, foliarInputs={3}.", cohort.Species.Name, cohort.Age, woodInput, foliarInput); } if (disturbanceType.IsMemberOf("disturbance:harvest")) { SiteVars.HarvestPrescriptionName = PlugIn.ModelCore.GetSiteVar <string>("Harvest.PrescriptionName"); if (!Disturbed[site]) // this is the first cohort killed/damaged { HarvestEffects.ReduceLayers(SiteVars.HarvestPrescriptionName[site], site); } woodInput -= woodInput * (float)HarvestEffects.GetCohortWoodRemoval(site); foliarInput -= foliarInput * (float)HarvestEffects.GetCohortLeafRemoval(site); } //PlugIn.ModelCore.UI.WriteLine(" BIOMASS SUCCESSION PARTIAL MORTALITY: species={0}, age={1}, woodInput={2}, foliarInputs={3}.", cohort.Species.Name, cohort.Age, woodInput, foliarInput); if (disturbanceType.IsMemberOf("disturbance:fire")) { SiteVars.FireSeverity = PlugIn.ModelCore.GetSiteVar <byte>("Fire.Severity"); if (!Disturbed[site]) // this is the first cohort killed/damaged { if (SiteVars.FireSeverity != null && SiteVars.FireSeverity[site] > 0) { FireEffects.ReduceLayers(SiteVars.FireSeverity[site], site); } } double woodFireConsumption = woodInput * (float)FireEffects.ReductionsTable[(int)SiteVars.FireSeverity[site]].CoarseLitterReduction; double foliarFireConsumption = foliarInput * (float)FireEffects.ReductionsTable[(int)SiteVars.FireSeverity[site]].FineLitterReduction; woodInput -= (float)woodFireConsumption; foliarInput -= (float)foliarFireConsumption; } if (PlugIn.CalibrateMode && PlugIn.ModelCore.CurrentTime > 0) { PlugIn.ModelCore.UI.WriteLine(" BIOMASS SUCCESSION PARTIAL MORTALITY III: ForestFloorInputs: Foliar={0:0.00}, Wood={1:0.0}.", foliarInput, woodInput); } ForestFloor.AddWoody(woodInput, cohort.Species, site); ForestFloor.AddLitter(foliarInput, cohort.Species, site); if (disturbanceType != null) { Disturbed[site] = true; } return; }