Parameter: |
Maximum methane production capacity = 0.17 m3 / kg |
Reference: |
USEPA (2013). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2011. U.S. Environmental Protection Agency. Annex 3.11: Methodology for Estimating CH4 and N2O Emissions from Manure Management. https://www.epa.gov/sites/production/files/2015-12/documents/us-ghg-inventory-2013-annexes.pdf |
Parameter: |
Methane conversion factor = 0.015 |
Reference: |
Wirth, T. (2015). Data request between CARB and Tom Wirth, US Environmental Protection Agency, December 2015. |
Parameter: |
Proportion in manure management system = 0.874 |
Reference: |
Wirth, T. (2015). Data request between CARB and Tom Wirth, US Environmental Protection Agency, December 2015. |
Parameter: |
Total population = 793,274 head |
Reference: |
Wirth, T. (2015). Data request between CARB and Tom Wirth, US Environmental Protection Agency, December 2015. |
Parameter: |
Volatile solids production rate = 1,258 kg / year |
Reference: |
Wirth, T. (2015). Data request between CARB and Tom Wirth, US Environmental Protection Agency, December 2015. |
Constant: |
Average number of days per year = 365.2425 day |
Reference: |
USNO (2004). U.S. Naval Observatory, Astronomical Applications Department, Leap Years. Accessed online at: http://www.usno.navy.mil/USNO/astronomical-applications/astronomical-information-center/leap-years |
Constant: |
Methane density = 662 g / m3 |
Reference: |
USEPA (2013). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2011. U.S. Environmental Protection Agency. Annex 3.11: Methodology for Estimating CH4 and N2O Emissions from Manure Management. https://www.epa.gov/sites/production/files/2015-12/documents/us-ghg-inventory-2013-annexes.pdf |
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 |