public override void ReduceExpansionFactors(OrganonStand stand, OrganonStandDensity densityBeforeGrowth, Trees trees, float fertilizationExponent)
{
// SMC MORTALITY
float B0;
float B1;
float B2;
float B3;
float B4;
float B5;
float siteIndex = stand.SiteIndex;
switch (trees.Species)
{
// Hann, Marshall, and Hanus(2006) FRL Research Contribution 49
case FiaCode.PseudotsugaMenziesii:
B0 = -3.12161659F;
B1 = -0.44724396F;
B2 = 0.0F;
B3 = -2.48387172F;
B4 = 0.01843137F;
B5 = 0.01353918F;
break;
// Unpublished Equation on File at OSU Dept.Forest Resources
case FiaCode.AbiesGrandis:
B0 = -7.60159F;
B1 = -0.200523F;
B2 = 0.0F;
B3 = 0.0F;
B4 = 0.0441333F;
B5 = 0.00063849F;
break;
// Hann, Marshall, Hanus(2003) FRL Research Contribution 40
case FiaCode.TsugaHeterophylla:
case FiaCode.ThujaPlicata:
B0 = -0.761609F;
B1 = -0.529366F;
B2 = 0.0F;
B3 = -4.74019F;
B4 = 0.0119587F;
B5 = 0.00756365F;
siteIndex = stand.HemlockSiteIndex; // BUGBUG: why does redcedar get hemlock site index only here?
break;
// Hann and Hanus(2001) FRL Research Contribution 34
case FiaCode.TaxusBrevifolia:
B0 = -4.072781265F;
B1 = -0.176433475F;
B2 = 0.0F;
B3 = -1.729453975F;
B4 = 0.0F;
B5 = 0.012525642F;
break;
// Hann and Hanus(2001) FRL Research Contribution 34
case FiaCode.ArbutusMenziesii:
B0 = -6.089598985F;
B1 = -0.245615070F;
B2 = 0.0F;
B3 = -3.208265570F;
B4 = 0.033348079F;
B5 = 0.013571319F;
break;
// Hann and Hanus(2001) FRL Research Contribution 34
case FiaCode.AcerMacrophyllum:
B0 = -2.976822456F;
B1 = 0.0F;
B2 = 0.0F;
B3 = -6.223250962F;
B4 = 0.0F;
B5 = 0.0F;
break;
// Gould, Marshall, and Harrington(2008) West.J.Appl.For. 23: 26-33
case FiaCode.QuercusGarryana:
B0 = -6.00031085F;
B1 = -0.10490823F;
B2 = 0.0F;
B3 = -0.99541909F;
B4 = 0.00912739F;
B5 = 0.87115652F;
break;
// best guess
case FiaCode.AlnusRubra:
B0 = -2.0F;
B1 = -0.5F;
B2 = 0.015F;
B3 = -3.0F;
B4 = 0.015F;
B5 = 0.01F;
break;
// Hann and Hanus(2001) FRL Research Contribution 34
case FiaCode.CornusNuttallii:
B0 = -3.020345211F;
B1 = 0.0F;
B2 = 0.0F;
B3 = -8.467882343F;
B4 = 0.013966388F;
B5 = 0.009461545F;
break;
// buest guess
case FiaCode.Salix:
B0 = -1.386294361F;
B1 = 0.0F;
B2 = 0.0F;
B3 = 0.0F;
B4 = 0.0F;
B5 = 0.0F;
break;
default:
throw Trees.CreateUnhandledSpeciesException(trees.Species);
}
float[]? mortalityKforRedAlder = null;
if (trees.Species == FiaCode.AlnusRubra)
{
mortalityKforRedAlder = new float[trees.Capacity];
}
for (int treeIndex = 0; treeIndex < trees.Count; ++treeIndex)
{
if (trees.LiveExpansionFactor[treeIndex] <= 0.0F)
{
continue;
}
float dbhInInches = trees.Dbh[treeIndex];
float basalAreaLarger = densityBeforeGrowth.GetBasalAreaLarger(dbhInInches);
if (trees.Species == FiaCode.AbiesGrandis)
{
basalAreaLarger /= dbhInInches;
}
else if (trees.Species == FiaCode.QuercusGarryana)
{
basalAreaLarger = MathV.Ln(basalAreaLarger + 5.0F);
}
float crownRatio = trees.CrownRatio[treeIndex];
float PMK = B0 + B1 * dbhInInches + B2 * dbhInInches * dbhInInches + B3 * crownRatio + B4 * siteIndex + B5 * basalAreaLarger + fertilizationExponent;
if (trees.Species == FiaCode.AlnusRubra)
{
mortalityKforRedAlder ![treeIndex] = PMK;
public override void ReduceExpansionFactors(OrganonStand stand, OrganonStandDensity densityBeforeGrowth, Trees trees, float fertilizationExponent)
{
// RAP MORTALITY
float B0;
float B1;
float B2;
float B3;
float B4;
float B5;
float POW = 0.2F;
switch (trees.Species)
{
// RA Coefficients from Hann, Bluhm, and Hibbs New Red Alder Equation
case FiaCode.AlnusRubra:
B0 = -4.333150734F;
B1 = -0.9856713799F;
B2 = 0.0F;
B3 = -2.583317081F;
B4 = 0.0369852164F;
B5 = 0.0394546978F;
POW = 1.0F;
break;
// Hann, Marshall, and Hanus(2006) FRL Research Contribution 49
case FiaCode.PseudotsugaMenziesii:
B0 = -3.12161659F;
B1 = -0.44724396F;
B2 = 0.0F;
B3 = -2.48387172F;
B4 = 0.01843137F;
B5 = 0.01353918F;
break;
// Hann, Marshall, Hanus(2003) FRL Research Contribution 40
case FiaCode.TsugaHeterophylla:
B0 = -0.761609F;
B1 = -0.529366F;
B2 = 0.0F;
B3 = -4.74019F;
B4 = 0.0119587F;
B5 = 0.00756365F;
break;
// WH of Hann, Marshall, Hanus(2003) FRL Research Contribution 40
case FiaCode.ThujaPlicata:
B0 = -0.761609F;
B1 = -0.529366F;
B2 = 0.0F;
B3 = -4.74019F;
B4 = 0.0119587F;
B5 = 0.00756365F;
break;
// Hann and Hanus(2001) FRL Research Contribution 34
case FiaCode.AcerMacrophyllum:
B0 = -2.976822456F;
B1 = 0.0F;
B2 = 0.0F;
B3 = -6.223250962F;
B4 = 0.0F;
B5 = 0.0F;
break;
// Hann and Hanus(2001) FRL Research Contribution 34
case FiaCode.CornusNuttallii:
B0 = -3.020345211F;
B1 = 0.0F;
B2 = 0.0F;
B3 = -8.467882343F;
B4 = 0.013966388F;
B5 = 0.009461545F;
break;
// best guess
case FiaCode.Salix:
B0 = -1.386294361F;
B1 = 0.0F;
B2 = 0.0F;
B3 = 0.0F;
B4 = 0.0F;
B5 = 0.0F;
break;
default:
throw Trees.CreateUnhandledSpeciesException(trees.Species);
}
// BUGBUG: Fortran code didn't use red alder site index for red alder and used hemlock site index for all conifers, not just hemlock and redcedar
float siteIndex = stand.HemlockSiteIndex; // interpreted as Douglas-fir site index
if (trees.Species == FiaCode.AlnusRubra)
{
siteIndex = stand.SiteIndex;
}
else if ((trees.Species == FiaCode.TsugaHeterophylla) || (trees.Species == FiaCode.ThujaPlicata))
{
siteIndex = OrganonVariantNwo.ToHemlockSiteIndexStatic(siteIndex); // convert from Douglas-fir site index to actual hemlock site inde
}
for (int treeIndex = 0; treeIndex < trees.Count; ++treeIndex)
{
if (trees.LiveExpansionFactor[treeIndex] <= 0.0F)
{
continue;
}
float dbhInInches = trees.Dbh[treeIndex];
float basalAreaLarger = densityBeforeGrowth.GetBasalAreaLarger(dbhInInches);
float crownRatio = trees.CrownRatio[treeIndex];
float PMK = B0 + B1 * dbhInInches + B2 * dbhInInches * dbhInInches + B3 * crownRatio + B4 * siteIndex + B5 * basalAreaLarger + fertilizationExponent;
float XPM = 1.0F / (1.0F + MathV.Exp(-PMK));
float survivalProbability = POW == 1.0 ? 1.0F - XPM : MathV.Pow(1.0F - XPM, POW); // RAP is the only variant using unfertlized POW != 1
survivalProbability *= OrganonGrowth.GetCrownRatioAdjustment(crownRatio);
Debug.Assert(survivalProbability >= 0.0F);
Debug.Assert(survivalProbability <= 1.0F);
float newLiveExpansionFactor = survivalProbability * trees.LiveExpansionFactor[treeIndex];
if (newLiveExpansionFactor < 0.00001F)
{
newLiveExpansionFactor = 0.0F;
}
float mortalityExpansionFactor = trees.LiveExpansionFactor[treeIndex] - newLiveExpansionFactor;
trees.DeadExpansionFactor[treeIndex] = mortalityExpansionFactor;
trees.LiveExpansionFactor[treeIndex] = newLiveExpansionFactor;
}
}
public override void GrowDiameter(Trees trees, float growthMultiplier, float siteIndexFromDbh, OrganonStandDensity densityBeforeGrowth)
{
float B0;
float B1;
float B2;
float B3;
float B4;
float B5;
float B6;
float K1;
float K2;
float K3;
float K4;
float speciesMultiplier = 0.8F;
switch (trees.Species)
{
// Hann, Marshall, and Hanus(2006) FRL Research Contribution 49
case FiaCode.PseudotsugaMenziesii:
B0 = -5.34253119F;
B1 = 1.098406840F;
B2 = -0.05218621F;
B3 = 1.01380810F;
B4 = 0.91202025F;
B5 = -0.01756220F;
B6 = -0.05168923F;
K1 = 6.0F;
K2 = 1.0F;
K3 = 1.0F;
K4 = 2.7F;
speciesMultiplier = 1.0F;
break;
// Zumrawi and Hann(1993) FRL Research Contribution 4
case FiaCode.AbiesGrandis:
B0 = -2.34619F;
B1 = 0.594640F;
B2 = -0.000976092F;
B3 = 1.12712F;
B4 = 0.555333F;
B5 = -0.0000290672F;
B6 = -0.0470848F;
K1 = 1.0F;
K2 = 2.0F;
K3 = 2.0F;
K4 = 5.0F;
speciesMultiplier = 0.8722F;
break;
// Unpublished Equation on File at OSU Dept.Forest Resources
case FiaCode.TsugaHeterophylla:
B0 = -4.87447412F;
B1 = 0.4150723209F;
B2 = -0.023744997F;
B3 = 0.907837299F;
B4 = 1.1346766989F;
B5 = -0.015333503F;
B6 = -0.03309787F;
K1 = 5.0F;
K2 = 1.0F;
K3 = 1.0F;
K4 = 2.7F;
speciesMultiplier = 1.0F;
break;
// Hann and Hanus(2002) OSU Department of Forest Management Internal Report #2
case FiaCode.ThujaPlicata:
B0 = -11.45456097F;
B1 = 0.784133664F;
B2 = -0.0261377888F;
B3 = 0.70174783F;
B4 = 2.057236260F;
B5 = -0.00415440257F;
B6 = 0.0F;
K1 = 5.0F;
K2 = 1.0F;
K3 = 1.0F;
K4 = 2.7F;
break;
// Hann and Hanus(2002) FRL Research Contribution 39
case FiaCode.TaxusBrevifolia:
B0 = -9.15835863F;
B1 = 1.0F;
B2 = -0.00000035F;
B3 = 1.16688474F;
B4 = 0.0F;
B5 = 0.0F;
B6 = -0.02F;
K1 = 4000.0F;
K2 = 4.0F;
K3 = 1.0F;
K4 = 2.7F;
break;
// Hann and Hanus(2002) FRL Research Contribution 39
case FiaCode.ArbutusMenziesii:
B0 = -8.84531757F;
B1 = 1.5F;
B2 = -0.0006F;
B3 = 0.51225596F;
B4 = 0.418129153F;
B5 = -0.00355254593F;
B6 = -0.0321315389F;
K1 = 110.0F;
K2 = 2.0F;
K3 = 1.0F;
K4 = 2.7F;
speciesMultiplier = 0.7928F;
break;
// Hann and Hanus(2002) FRL Research Contribution 39
case FiaCode.AcerMacrophyllum:
B0 = -3.41449922F;
B1 = 1.0F;
B2 = -0.05F;
B3 = 0.0F;
B4 = 0.324349277F;
B5 = 0.0F;
B6 = -0.0989519477F;
K1 = 10.0F;
K2 = 1.0F;
K3 = 1.0F;
K4 = 2.7F;
break;
// Gould, Marshall, and Harrington(2008) West.J.Appl.For. 23: 26-33
case FiaCode.QuercusGarryana:
B0 = -7.81267986F;
B1 = 1.405616529F;
B2 = -0.0603105850F;
B3 = 0.64286007F;
B4 = 1.037687142F;
B5 = 0.0F;
B6 = -0.0787012218F;
K1 = 5.0F;
K2 = 1.0F;
K3 = 1.0F;
K4 = 2.7F;
speciesMultiplier = 1.0F;
break;
// Hann and Hanus(2002) OSU Department of Forest Management Internal Report #1
case FiaCode.AlnusRubra:
B0 = -4.39082007F;
B1 = 1.0F;
B2 = -0.0945057147F;
B3 = 1.06867026F;
B4 = 0.685908029F;
B5 = -0.00586331028F;
B6 = 0.0F;
K1 = 5.0F;
K2 = 1.0F;
K3 = 1.0F;
K4 = 2.7F;
break;
// Hann and Hanus(2002) FRL Research Contribution 39
case FiaCode.CornusNuttallii:
case FiaCode.Salix:
B0 = -8.08352683F;
B1 = 1.0F;
B2 = -0.00000035F;
B3 = 0.31176647F;
B4 = 0.0F;
B5 = 0.0F;
B6 = -0.0730788052F;
K1 = 4000.0F;
K2 = 4.0F;
K3 = 1.0F;
K4 = 2.7F;
break;
default:
throw Trees.CreateUnhandledSpeciesException(trees.Species);
}
speciesMultiplier *= growthMultiplier;
for (int treeIndex = 0; treeIndex < trees.Count; ++treeIndex)
{
if (trees.LiveExpansionFactor[treeIndex] <= 0.0F)
{
trees.DbhGrowth[treeIndex] = 0.0F;
continue;
}
float dbhInInches = trees.Dbh[treeIndex];
float basalAreaLarger = densityBeforeGrowth.GetBasalAreaLarger(dbhInInches);
float crownRatio = trees.CrownRatio[treeIndex];
float LNDG = B0 + B1 * MathV.Ln(dbhInInches + K1) + B2 * MathV.Pow(dbhInInches, K2) + B3 * MathV.Ln((crownRatio + 0.2F) / 1.2F) + B4 * MathV.Ln(siteIndexFromDbh) + B5 * (MathV.Pow(basalAreaLarger, K3) / MathV.Ln(dbhInInches + K4)) + B6 * MathF.Sqrt(basalAreaLarger);
float crownRatioAdjustment = OrganonGrowth.GetCrownRatioAdjustment(crownRatio);
trees.DbhGrowth[treeIndex] = speciesMultiplier * MathV.Exp(LNDG) * crownRatioAdjustment;
Debug.Assert(trees.DbhGrowth[treeIndex] > 0.0F);
Debug.Assert(trees.DbhGrowth[treeIndex] < Constant.Maximum.DiameterIncrementInInches);
}
}
public override void GrowDiameter(Trees trees, float growthMultiplier, float siteIndexFromDbh, OrganonStandDensity densityBeforeGrowth)
{
// These species were annualized by adding ln(0.2) to the intercept terms: DF, WH, RC, ACMA3, Cornus, Salix
float B0;
float B1;
float B2;
float B3;
float B4;
float B5;
float B6;
float K1;
float K2;
float K3;
float K4;
float speciesMultiplier = 0.8F;
switch (trees.Species)
{
// Hann, Bluhm, and Hibbs Red Alder Plantation Analysis
case FiaCode.AlnusRubra:
B0 = -4.622849554F;
B1 = 0.5112200516F;
B2 = -0.1040194568F;
B3 = 0.9536538143F;
B4 = 1.0659344724F;
B5 = -0.0193047405F;
B6 = -0.0773539455F;
K1 = 1.0F;
K2 = 1.0F;
K3 = 1.0F;
K4 = 1.0F;
speciesMultiplier = 1.0F;
break;
// Hann, Marshall, and Hanus(2006) FRL Research Contribution ??
case FiaCode.PseudotsugaMenziesii:
B0 = -6.95196910F;
B1 = 1.098406840F;
B2 = -0.05218621F;
B3 = 1.01380810F;
B4 = 0.91202025F;
B5 = -0.01756220F;
B6 = -0.05168923F;
K1 = 6.0F;
K2 = 1.0F;
K3 = 1.0F;
K4 = 2.7F;
speciesMultiplier = 1.0F;
break;
// Unpublished equation on file at OSU Deptartment of Forest Resources
case FiaCode.TsugaHeterophylla:
B0 = -6.48391203F;
B1 = 0.4150723209F;
B2 = -0.023744997F;
B3 = 0.907837299F;
B4 = 1.1346766989F;
B5 = -0.015333503F;
B6 = -0.03309787F;
K1 = 5.0F;
K2 = 1.0F;
K3 = 1.0F;
K4 = 2.7F;
speciesMultiplier = 1.0F;
break;
// Hann and Hanus(2002) OSU Department of Forest Management Internal Report #2
case FiaCode.ThujaPlicata:
B0 = -13.06399888F;
B1 = 0.784133664F;
B2 = -0.0261377888F;
B3 = 0.70174783F;
B4 = 2.057236260F;
B5 = -0.00415440257F;
B6 = 0.0F;
K1 = 5.0F;
K2 = 1.0F;
K3 = 1.0F;
K4 = 2.7F;
break;
// Hann and Hanus(2002) FRL Research Contribution 39
case FiaCode.AcerMacrophyllum:
B0 = -5.02393713F;
B1 = 1.0F;
B2 = -0.05F;
B3 = 0.0F;
B4 = 0.324349277F;
B5 = 0.0F;
B6 = -0.0989519477F;
K1 = 10.0F;
K2 = 1.0F;
K3 = 1.0F;
K4 = 2.7F;
break;
// Hann and Hanus(2002) FRL Research Contribution 39
case FiaCode.CornusNuttallii:
case FiaCode.Salix:
B0 = -9.69296474F;
B1 = 1.0F;
B2 = -0.00000035F;
B3 = 0.31176647F;
B4 = 0.0F;
B5 = 0.0F;
B6 = -0.0730788052F;
K1 = 4000.0F;
K2 = 4.0F;
K3 = 1.0F;
K4 = 2.7F;
break;
default:
throw Trees.CreateUnhandledSpeciesException(trees.Species);
}
speciesMultiplier *= growthMultiplier;
for (int treeIndex = 0; treeIndex < trees.Count; ++treeIndex)
{
if (trees.LiveExpansionFactor[treeIndex] <= 0.0F)
{
trees.DbhGrowth[treeIndex] = 0.0F;
continue;
}
float dbhInInches = trees.Dbh[treeIndex];
float basalAreaLarger = densityBeforeGrowth.GetBasalAreaLarger(dbhInInches);
float crownRatio = trees.CrownRatio[treeIndex];
float LNDG = B0 + B1 * MathV.Ln(dbhInInches + K1) + B2 * MathV.Pow(dbhInInches, K2) + B3 * MathV.Ln((crownRatio + 0.2F) / 1.2F) + B4 * MathV.Ln(siteIndexFromDbh) + B5 * (MathV.Pow(basalAreaLarger, K3) / MathV.Ln(dbhInInches + K4)) + B6 * MathF.Sqrt(basalAreaLarger);
float crownRatioAdjustment = OrganonGrowth.GetCrownRatioAdjustment(crownRatio);
trees.DbhGrowth[treeIndex] = speciesMultiplier * MathV.Exp(LNDG) * crownRatioAdjustment;
Debug.Assert(trees.DbhGrowth[treeIndex] > 0.0F);
Debug.Assert(trees.DbhGrowth[treeIndex] < Constant.Maximum.DiameterIncrementInInches);
}
}
