Last reviewed on 10-02-2020

Documentation of California's Greenhouse Gas Inventory (13th Edition - Last updated on 10-15-2020)

♦ 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 : Crop Residues : Direct

♦ Activity: Nitrogen in crop residues -

♦ Greenhouse gas: Nitrous oxide ( N2O )

► Year 2015 —

● Greenhouse gas emission estimate —

Amount: 942.26 tonnes of N2O Emitted (280,792 tonnes CO2 Eq.)
Basis: Model
Calculation: DeNitrification-DeComposition (DNDC) Model
Reference: Documentation provided in the 2000-2015 inventory updates documentation. See discussion of methods at: #https://www.arb.ca.gov/cc/inventory/pubs/reports/2000_2015/ghg_inventory_00-15_method_update_document.pdf

● Activity level used in calculations —

Activity: Nitrogen in crop residues = 96,798,431,013 g (i.e. 96.8 thousand tonnes)
Basis: Model
Reference: Documentation provided in the 2000-2015 inventory updates documentation. See discussion of methods at: #https://www.arb.ca.gov/cc/inventory/pubs/reports/2000_2015/ghg_inventory_00-15_method_update_document.pdf

● Parameters and Constants used in calculations —

Parameter: Not applicable
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: 9.734E-03 g of N2O per g
2.9 g of CO2eq. per g