Documentation of California's Greenhouse Gas Inventory (2023 Edition - Last updated on 12-1-2023)
IPCC: | 3A1aii - Livestock - Enteric Fermentation - Cattle - Other Cattle |
Sector: | Agriculture & Forestry : Enteric Fermentation : Cattle |
Amount: | 63,818 tonnes of CH4 Emitted (1,595,440 tonnes CO2 Eq.) |
Basis: | Model |
Calculation: | Cattle enteric fermentation model |
Reference: | USEPA (2013). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2011 U.S. Environmental Protection Agency. Annex 3.10: Methodology for Estimating CH4 Emissions from Enteric Fermentation. https://www.epa.gov/sites/production/files/2015-12/documents/us-ghg-inventory-2013-annexes.pdf |
Activity: | Livestock population = 720,000 head of Beef cows |
Basis: | Model |
Calculation: | Cattle life cycle model |
Reference: | USEPA (2013). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2011 U.S. Environmental Protection Agency. Annex 3.10: Methodology for Estimating CH4 Emissions from Enteric Fermentation. https://www.epa.gov/sites/production/files/2015-12/documents/us-ghg-inventory-2013-annexes.pdf |
Reference: | USDA (2016). U.S. Department of Agriculture, National Agricultural Statistics Service, Quick Stats. Accessed online at: http://quickstats.nass.usda.gov/ |
Parameter: | Not applicable |
Constant: | Global warming potential of CH4 = 25 |
Reference: | IPCC (2007). Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Solomon S., Qin D., Manning M., Chen Z., Marquis M., Averyt K.B., Tignor M., and Miller H.L. (eds.). http://www.ipcc.ch/publications_and_data/publications_ipcc_fourth_assessment_report_synthesis_report.htm |
Amount: | 88,636 g (i.e. 88.64 kg) of CH4 per head of Beef cows 2,215,889 g (i.e. 2.22 tonnes) of CO2eq. per head of Beef cows |