Last reviewed on November 2, 2011 at 10:05
Documentation of California's Greenhouse Gas Inventory
(First Edition - Last updated on 11/19/2007)
♦ Category: Energy
IPCC: |
1A3di - Fuel Combustion Activities - Transport - Water-borne Navigation - International Water-borne Navigation (International Bunkers) |
Sector: |
Transportation : Water-borne : International : Transit (CA waters) |
♦ Activity: Fuel combustion - Distillate
♦ Greenhouse gas: Methane ( CH4 )
► Year 1990 —
● Greenhouse gas emission estimate —
Amount: |
0.836 tonne of CH4 Emitted (17.56 tonnes CO2 Eq.) |
Basis: |
Calculation |
Calculation: |
[Fuel combustion] * [Heat content] * [Fuel CH4 emission] |
Reference: |
IPCC (1997). Revised 1996 IPCC Guidelines for National Greenhouse Gas Inventories (Revised Guidelines). Intergovernmental Panel on Climate Change. Published: IGES, Japan. http://www.ipcc-nggip.iges.or.jp/public/gl/invs1.htm |
● Activity level used in calculations —
Activity: |
Fuel combustion = 647,119 gal of Distillate |
Basis: |
Data |
Reference: |
ARB (2007) Technical Support Document to the Proposed Regulations to Reduce Emissions from Diesel Auxiliary Engines on Ocean-Going Vessels While At Berth at a California Port (December 6, 2007). Appendix B: Hotelling Emissions Estimation Methodology for Ship Auxiliary Engines in California. CA Air Resources Board. Available online at: http://www.arb.ca.gov/regact/2007/shorepwr07/appb.pdf |
● Parameters and Constants used in calculations —
Parameter: |
Fuel CH4 emission = 9.318E-06 g / btu |
Reference: |
ARB (2007) Technical Support Document to the Proposed Regulations to Reduce Emissions from Diesel Auxiliary Engines on Ocean-Going Vessels While At Berth at a California Port (December 6, 2007). Appendix B: Hotelling Emissions Estimation Methodology for Ship Auxiliary Engines in California. CA Air Resources Board. Available online at: http://www.arb.ca.gov/regact/2007/shorepwr07/appb.pdf |
Parameter: |
Heat content = 138,690 btu / gal |
Reference: |
USEPA (2007). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2005. United States Environmental Protection Agency. EPA 430-R-07-002. Annex 2.1 (Tables A-31, A-32, A-35, and A-36). April 15, 2007. Washington DC. http://www.epa.gov/climatechange/emissions/usgginv_archive.html |
Constant: |
Global warming potential of CH4 = 21 |
Reference: |
IPCC (1996). Second Assessment Report. Climate Change 1995: WG I - The Science of Climate Change. Intergovernmental Panel on Climate Change; J.T. Houghton, L.G. Meira Filho, B.A. Callander, N. Harris, A. Kattenberg, and K. Maskell (eds.); Cambridge University Press. Cambridge, U.K. |
● Greenhouse gas emitted per unit activity —
Amount: |
1.29 g of CH4 per gal of Distillate 27.1 g of CO2eq. per gal of Distillate |