Ejemplo n.º 1
0
        /// <summary>
        /// Method to perform calculation of all ecological indicators.
        /// </summary>
        private void CalculateEcologicalIndicators()
        {
            //If it is time to do yearly calculation
            if (zoneCLEM.IsEcologicalIndicatorsCalculationMonth())
            {
                // Calculate change in Land Condition index and Grass basal area
                double utilisation = LinkedNativeFoodType.PercentUtilisation;

                LandConditionIndex.Modify(utilisation);
                LinkedNativeFoodType.CurrentEcologicalIndicators.LandConditionIndex = LandConditionIndex.Value;
                GrassBasalArea.Modify(utilisation);
                LinkedNativeFoodType.CurrentEcologicalIndicators.GrassBasalArea = GrassBasalArea.Value;

                // Calculate average monthly stocking rate
                // Check number of months to use
                int monthdiff = ((zoneCLEM.EcologicalIndicatorsNextDueDate.Year - clock.StartDate.Year) * 12) + zoneCLEM.EcologicalIndicatorsNextDueDate.Month - clock.StartDate.Month + 1;
                if (monthdiff >= zoneCLEM.EcologicalIndicatorsCalculationInterval)
                {
                    monthdiff = zoneCLEM.EcologicalIndicatorsCalculationInterval;
                }

                LinkedNativeFoodType.CurrentEcologicalIndicators.StockingRate = stockingRateSummed / monthdiff;

                //perennials
                LinkedNativeFoodType.CurrentEcologicalIndicators.Perennials = 92.2 * (1 - Math.Pow(LandConditionIndex.Value, 3.35) / Math.Pow(LandConditionIndex.Value, 3.35 + 137.7)) - 2.2;

                //%utilisation
                LinkedNativeFoodType.CurrentEcologicalIndicators.Utilisation = utilisation;

                // Reset running total for stocking rate
                stockingRateSummed = 0;

                // calculate averages
                LinkedNativeFoodType.CurrentEcologicalIndicators.Cover         /= monthdiff;
                LinkedNativeFoodType.CurrentEcologicalIndicators.TreeBasalArea /= monthdiff;

                //TreeC
                // I didn't include the / area as tba is already per ha. I think NABSA has this wrong
                LinkedNativeFoodType.CurrentEcologicalIndicators.TreeCarbon = LinkedNativeFoodType.CurrentEcologicalIndicators.TreeBasalArea * 6286 * 0.46;

                //methane
                //soilC
                //Burnkg
                //methaneFire
                //N2OFire

                //Get the new Pasture Data using the new Ecological Indicators (ie. GrassBA, LandCon, StRate)
                GetPastureDataList_TodayToNextEcolCalculation();
            }
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Method to perform calculation of all ecological indicators.
        /// </summary>
        private void CalculateEcologicalIndicators()
        {
            //If it is time to do yearly calculation
            if (ZoneCLEM.IsEcologicalIndicatorsCalculationMonth())
            {
                // Calculate change in Land Condition index and Grass basal area
                double utilisation = LinkedNativeFoodType.PercentUtilisation;

                LandConditionIndex.Modify(utilisation);
                LinkedNativeFoodType.CurrentEcologicalIndicators.LandConditionIndex = LandConditionIndex.Value;
                GrassBasalArea.Modify(utilisation);
                LinkedNativeFoodType.CurrentEcologicalIndicators.GrassBasalArea = GrassBasalArea.Value;

                // Calculate average monthly stocking rate
                // Check number of months to use
                int monthdiff = ((ZoneCLEM.EcologicalIndicatorsNextDueDate.Year - Clock.StartDate.Year) * 12) + ZoneCLEM.EcologicalIndicatorsNextDueDate.Month - Clock.StartDate.Month;
                if (monthdiff >= ZoneCLEM.EcologicalIndicatorsCalculationInterval)
                {
                    monthdiff = ZoneCLEM.EcologicalIndicatorsCalculationInterval;
                }
                LinkedNativeFoodType.CurrentEcologicalIndicators.StockingRate = StockingRateSummed / monthdiff;

                //erosion
                //tree basal area
                //perennials
                Perennials = 92.2 * (1 - Math.Pow(LandConditionIndex.Value, 3.35) / Math.Pow(LandConditionIndex.Value, 3.35 + 137.7)) - 2.2;
                //%runoff
                //methane
                //soilC
                //TreeC
                //Burnkg
                //methaneFire
                //NOxFire
                //%utilisation
                LinkedNativeFoodType.CurrentEcologicalIndicators.Utilisation = utilisation;

                // Reset running total for stocking rate
                StockingRateSummed = 0;

                //Get the new Pasture Data using the new Ecological Indicators (ie. GrassBA, LandCon, StRate)
                GetPastureDataList_TodayToNextEcolCalculation();
            }
        }