Package index • gleam

Main pipeline

run_gleam(): Run the full Global Livestock Environmental Assessment Model (GLEAM) Pipeline

run_demographic_herd_module(): Run Demographic Herd Module Pipeline
calc_fecundity_rates(): Calculate daily fecundity rates
calc_transition_probabilities(): Calculate transition probabilities for sex-age classes
calc_steady_state_structure(): Calculate steady-state population structure
calc_projected_population_size(): Calculate one year of steady-state population dynamics
calc_summary_offtake(): Summarise offtake and stock Variation for a steady-state year

run_ration_quality_module(): Run Ration Quality Module Pipeline
calc_feed_digestibility_fraction(): Calculate feed digestibility fraction
calc_ration_digestibility(): Calculate diet digestibility contribution for a ration component
calc_ration_metabolizable_energy(): Calculate diet metabolizable energy contribution for a ration component
calc_ration_gross_energy(): Calculate diet gross energy contribution for a ration component
calc_ration_nitrogen_content(): Calculate diet nitrogen contribution for a ration component
calc_ration_urinary_energy_fraction(): Calculate urinary energy fraction contribution for a ration component
calc_ration_ash(): Calculate diet ash contribution for a ration component

run_metabolic_energy_req_module(): Run Metabolic Energy Requirements and Dry Matter Intake Module Pipeline
calc_metabolic_energy_req_maintenance(): Calculate metabolic energy requirements for maintenance
calc_metabolic_energy_req_activity(): Calculate metabolic energy requirements for activity
calc_metabolic_energy_req_growth(): Calculate metabolic energy requirements for growth
calc_metabolic_energy_req_lactation(): Calculate metabolic energy requirements for lactation
calc_metabolic_energy_req_pregnancy(): Calculate metabolic energy requirements for pregnancy
calc_metabolic_energy_req_work(): Calculate metabolic energy requirements for work
calc_metabolic_energy_req_fibre(): Calculate metabolic energy requirements for fibre production
calc_rem_maintenance(): Calculate ratio of net energy available for maintenance in the diet (REM - Net Energy for Maintenance / Digestible Energy)
calc_reg_growth(): Calculate the ratio of net energy available for growth in the diet (REG – Net Energy for Growth / Digestible Energy)
calc_total_metabolic_energy_req(): Calculate total metabolic energy requirements
calc_ration_intake(): Calculate daily ration intake in dry matter

run_emissions_enteric_module(): Run Enteric Methane (CH4) Emissions Module Pipeline
calc_conversion_factor_ym(): Calculate methane conversion factor (ym)
calc_ch4_enteric(): Calculate daily enteric methane emissions

run_emissions_manure_module(): Run Emissions from Manure Module Pipeline
calc_volatile_solids(): Calculate Volatile Solids (VS)
calc_ch4_manure(): Calculate methane (CH4) emissions from manure management systems
calc_n2o_manure_direct(): Calculate direct Nitrous Oxide (N2O) emissions from manure management systems
calc_n2o_manure_volatilization(): Calculate indirect Nitrous Oxide (N2O) emissions from manure volatilization
calc_n2o_manure_leaching(): Calculate indirect Nitrous Oxide (N2O) emissions from manure leaching and runoff
calc_n2o_manure_total(): Calculate total Nitrous Oxide (N2O) emissions from manure

run_emissions_ration_module(): Run Emissions from Feed Production Module Pipeline
calc_ch4_ration_rice(): Calculate a ration component's contribution to methane (CH4) emissions from rice cultivation
calc_co2_ration_fertilizer(): Calculate a ration component's contribution to carbon dioxide (CO2) emissions from fertilizer manufacture
calc_co2_ration_pesticides(): Calculate a ration component's contribution to carbon dioxide (CO2) emissions from pesticide manufacture
calc_co2_ration_crop_activities(): Calculate a ration component's contribution to carbon dioxide (CO2) emissions from on-field agricultural activities
calc_co2_ration_luc_nopeat(): Calculate a ration component's contribution to carbon dioxide (CO2) emissions from land-use change (excluding peatland drainage)
calc_co2_ration_luc_peat(): Calculate a ration component's contribution to carbon dioxide (CO2) emissions from peatland drainage
calc_n2o_ration_fertilizer(): Calculate a ration component's contribution to nitrous oxide (N2O) emissions from fertilizer use
calc_n2o_ration_manure(): Calculate a ration component's contribution to nitrous oxide (N2O) emissions from manure application and deposition
calc_n2o_ration_crop_residues(): Calculate a ration component's contribution to nitrous oxide (N2O) emissions from crop residues decomposition

run_allocation_module(): Run Allocation Module Pipeline
calc_milk_allocation_energy(): Calculate milk energy requirements (for biophysical allocation)
calc_meat_allocation_energy(): Calculate meat energy requirements (for biophysical allocation)
calc_fibre_allocation_energy(): Calculate fibre energy requirements (for biophysical allocation)
calc_work_allocation_energy(): Calculate work energy requirements (for biophysical allocation)
calc_allocation_shares(): Calculate allocation shares for livestock commodities
assign_allocation_shares(): Assign allocation shares to emission variables by commodity

run_aggregation_module(): Run Aggregation Module Pipeline
calc_cohort_totals(): Calculate totals by cohort
calc_cohort_to_herd_aggregation(): Aggregate cohort-level to herd-level data
calc_allocated_emissions(): Calculate allocated greenhouse gas emissions (GHG)
calc_co2eq(): Convert methane (CH4) and nitrous oxide (N2O) emissions to CO2-equivalents (CO2eq) using Global Warming Potentials (GWP) factors