Last reviewed on 12-01-2023
Documentation of California's Greenhouse Gas Inventory
(2023 Edition - Last updated on 12-1-2023)
♦ Category: Agriculture, Forestry and Other Land Use
IPCC: |
3C4 - Aggregate Sources and Non-CO2 Emissions Sources on Land - Direct N2O Emissions from Managed Soils |
Sector: |
Agriculture & Forestry : Ag Soil Management : Manure : Direct |
♦ Activity: Nitrogen in managed manure - Dairy cows
♦ Greenhouse gas: Nitrous oxide ( N2O )
► Year 2020 —
● Greenhouse gas emission estimate —
Amount: |
2,246 tonnes of N2O Emitted (669,245 tonnes CO2 Eq.) |
Basis: |
Calculation |
Calculation: |
[Nitrogen in managed manure] * [Nitrogen emitted as N2O] * [Molecular weight ratio of N2O to N2] |
Reference: |
IPCC (2006). 2006 IPCC Guidelines for National Greenhouse Gas Inventories, Prepared by the National Greenhouse Gas Inventories Programmed, Eggleston HAS., Biennia L., Miwa K., Negara T. and Tanabe K. (eds). Vol.4, Chap. 11: Managed Soils. Published: IGES, Japan. https://www.ipcc-nggip.iges.or.jp/public/2006gl/vol4.html |
● Activity level used in calculations —
● Parameters and Constants used in calculations —
Parameter: |
Nitrogen emitted as N2O = 0.01 g / g |
Reference: |
IPCC (2006). 2006 IPCC Guidelines for National Greenhouse Gas Inventories, Prepared by the National Greenhouse Gas Inventories Programmed, Eggleston HAS., Biennia L., Miwa K., Negara T. and Tanabe K. (eds). Vol.4, Chap. 11: Managed Soils. Published: IGES, Japan. https://www.ipcc-nggip.iges.or.jp/public/2006gl/vol4.html |
Constant: |
Molecular weight ratio of N2O to N2 = 1.571133815 |
Reference: |
IUPAC (2006). Atomic Weights of the Elements 2005 (IUPAC Technical Report). Pure Appl. Chem., Vol. 78, No. 11, pp. 2051–2066, 2006. |
Constant: |
Global warming potential of N2O = 298 |
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 |
● Greenhouse gas emitted per unit activity (derived from values listed above) —
Amount: |
0.015 g of N2O per g of Dairy cows 4.47 g of CO2eq. per g of Dairy cows |