private void OnCLEMUpdatePasture(object sender, EventArgs e)
{
this.Status = ActivityStatus.Ignored;
if (PastureDataList != null)
{
this.Status = ActivityStatus.NotNeeded;
double growth = 0;
//// method is performed on last day of month but needs to work with next month's details
//int year = Clock.Today.AddDays(1).Year;
//int month = Clock.Today.AddDays(1).Month;
int year = Clock.Today.Year;
int month = Clock.Today.Month;
//Get this months pasture data from the pasture data list
PastureDataType pasturedata = PastureDataList.Where(a => a.Year == year && a.Month == month).FirstOrDefault();
growth = pasturedata.Growth;
//TODO: check units from input files.
// convert from kg/ha to kg/area unit
growth *= unitsOfArea2Ha;
Cover = pasturedata.Cover;
if (growth > 0)
{
this.Status = ActivityStatus.Success;
GrazeFoodStorePool newPasture = new GrazeFoodStorePool
{
Age = 0
};
newPasture.Set(growth * Area);
newPasture.Growth = growth * Area;
newPasture.Nitrogen = this.LinkedNativeFoodType.GreenNitrogen;
newPasture.DMD = newPasture.Nitrogen * LinkedNativeFoodType.NToDMDCoefficient + LinkedNativeFoodType.NToDMDIntercept;
newPasture.DMD = Math.Min(100, Math.Max(LinkedNativeFoodType.MinimumDMD, newPasture.DMD));
this.LinkedNativeFoodType.Add(newPasture, this, "Growth");
}
}
else
{
this.Status = ActivityStatus.Critical;
throw new Exception("No pasture data is available for [a=" + this.Name + "]\nCheck that data is available for specified soil id etc. ");
}
// report activity performed.
ActivityPerformedEventArgs activitye = new ActivityPerformedEventArgs
{
Activity = new BlankActivity()
{
Status = ZoneCLEM.IsEcologicalIndicatorsCalculationMonth()? ActivityStatus.Calculation: ActivityStatus.Success,
Name = this.Name
}
};
activitye.Activity.SetGuID(this.UniqueID);
this.OnActivityPerformed(activitye);
}
private void OnCLEMUpdatePasture(object sender, EventArgs e)
{
this.Status = ActivityStatus.Ignored;
if (PastureDataList != null)
{
this.Status = ActivityStatus.NotNeeded;
double growth = 0;
//Get this months pasture data from the pasture data list
PastureDataType pasturedata = PastureDataList.Where(a => a.Year == Clock.Today.Year && a.Month == Clock.Today.Month).FirstOrDefault();
growth = pasturedata.Growth;
//TODO: check units from input files.
// convert from kg/ha to kg/area unit
growth *= unitsOfArea2Ha;
LinkedNativeFoodType.CurrentEcologicalIndicators.Rainfall += pasturedata.Rainfall;
LinkedNativeFoodType.CurrentEcologicalIndicators.Erosion += pasturedata.SoilLoss;
LinkedNativeFoodType.CurrentEcologicalIndicators.Runoff += pasturedata.Runoff;
LinkedNativeFoodType.CurrentEcologicalIndicators.Cover += pasturedata.Cover;
LinkedNativeFoodType.CurrentEcologicalIndicators.TreeBasalArea += pasturedata.TreeBA;
if (growth > 0)
{
this.Status = ActivityStatus.Success;
GrazeFoodStorePool newPasture = new GrazeFoodStorePool
{
Age = 0
};
newPasture.Set(growth * Area);
newPasture.Nitrogen = this.LinkedNativeFoodType.GreenNitrogen;
newPasture.DMD = newPasture.Nitrogen * LinkedNativeFoodType.NToDMDCoefficient + LinkedNativeFoodType.NToDMDIntercept;
newPasture.DMD = Math.Min(100, Math.Max(LinkedNativeFoodType.MinimumDMD, newPasture.DMD));
newPasture.Growth = newPasture.Amount;
this.LinkedNativeFoodType.Add(newPasture, this, "", "Growth");
}
}
// report activity performed.
ActivityPerformedEventArgs activitye = new ActivityPerformedEventArgs
{
Activity = new BlankActivity()
{
Status = ZoneCLEM.IsEcologicalIndicatorsCalculationMonth()? ActivityStatus.Calculation: ActivityStatus.Success,
Name = this.Name
}
};
activitye.Activity.SetGuID(this.UniqueID);
this.OnActivityPerformed(activitye);
}
private void OnWFUpdatePasture(object sender, EventArgs e)
{
//TODO: Get pasture growth from pasture model or GRASP output
//
// temporary pasture input for testing
//
GrazeFoodStorePool newPasture = new GrazeFoodStorePool();
newPasture.Age = 0;
if (Clock.Today.Month >= 11 ^ Clock.Today.Month <= 3)
{
newPasture.Set(500 * Area);
newPasture.DMD = this.LinkedNativeFoodType.DMD;
newPasture.DryMatter = this.LinkedNativeFoodType.DryMatter;
newPasture.Nitrogen = this.LinkedNativeFoodType.Nitrogen;
this.LinkedNativeFoodType.Add(newPasture);
}
// store total pasture at start of month
PastureAtStartOfMonth = this.LinkedNativeFoodType.Amount;
}
private void SetupStartingPasturePools(double StartingGrowth)
{
// Initial biomass
double amountToAdd = Area * StartingGrowth;
if (amountToAdd <= 0)
{
return;
}
// Set up pasture pools to start run based on month and user defined pasture properties
// Locates the previous five months where growth occurred (Nov-Mar) and applies decomposition to current month
// This months growth will not be included.
int month = Clock.Today.Month;
int monthCount = 0;
int includedMonthCount = 0;
double propBiomass = 1.0;
double currentN = LinkedNativeFoodType.GreenNitrogen;
// NABSA changes N by 0.8 for particular months. Not needed here as decay included.
double currentDMD = currentN * LinkedNativeFoodType.NToDMDCoefficient + LinkedNativeFoodType.NToDMDIntercept;
currentDMD = Math.Max(LinkedNativeFoodType.MinimumDMD, currentDMD);
LinkedNativeFoodType.Pools.Clear();
List <GrazeFoodStorePool> newPools = new List <GrazeFoodStorePool>();
while (includedMonthCount < 5)
{
if (month == 0)
{
month = 12;
}
if (month <= 3 | month >= 11)
{
// add new pool
newPools.Add(new GrazeFoodStorePool()
{
Age = monthCount,
Nitrogen = currentN,
DMD = currentDMD,
StartingAmount = propBiomass
});
includedMonthCount++;
}
propBiomass *= 1 - LinkedNativeFoodType.DetachRate;
currentN -= LinkedNativeFoodType.DecayNitrogen;
currentN = Math.Max(currentN, LinkedNativeFoodType.MinimumNitrogen);
currentDMD *= 1 - LinkedNativeFoodType.DecayDMD;
currentDMD = Math.Max(currentDMD, LinkedNativeFoodType.MinimumDMD);
monthCount++;
month--;
}
// assign pasture biomass to pools based on proportion of total
double total = newPools.Sum(a => a.StartingAmount);
foreach (var pool in newPools)
{
pool.Set(amountToAdd * (pool.StartingAmount / total));
pool.Growth = amountToAdd * (pool.StartingAmount / total);
}
// Previously: remove this months growth from pool age 0 to keep biomass at approximately setup.
// But as updates happen at the end of the month, the fist months biomass is never added so stay with 0 or delete following section
// Get this months growth
//Get this months pasture data from the pasture data list
PastureDataType pasturedata = PastureDataList.Where(a => a.Year == Clock.StartDate.Year && a.Month == Clock.StartDate.Month).FirstOrDefault();
//double growth = ; // GRASPFile.Get(xxxxxxxxx)
double thisMonthsGrowth = pasturedata.Growth;
if (thisMonthsGrowth > 0)
{
GrazeFoodStorePool thisMonth = newPools.Where(a => a.Age == 0).FirstOrDefault() as GrazeFoodStorePool;
if (thisMonth != null)
{
thisMonth.Set(Math.Max(0, thisMonth.Amount - thisMonthsGrowth));
}
}
// Add to pasture. This will add pool to pasture available store.
foreach (var pool in newPools)
{
string reason = "Initialise";
if (newPools.Count() > 1)
{
reason = "Initialise pool " + pool.Age.ToString();
}
LinkedNativeFoodType.Add(pool, this.Name, reason);
}
}
