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Projects > G - I > GEIA

Preferred term

GEIA  

Definition

  • The Global Emissions Inventory Activity is an activity of the International Global Atmospheric Chemistry (IGAC) Core project of the International Geosphere-Biosphere Program. GEIA was orgnaized at the Seventh International Symposium of the Commission on the Atmospheric Chemistry and Global Pollution (CACGP) in Chamrousse, France, in September 1990. GEIA is one of the activities that has been defined by the IGAC Steering Committee and its efforts include: . estabishing a framework for developing and evaluating global emissions inventories . conducting a critical survey of existing emissions inventories of compounds of major importance in global atmospheric chemistry . generating and publishing inventories for use by scientists worldwide The ultimate goal of GEIA is to establish emissions inventories for all trace gases of interest, incorporating fluxes from both anthropogenic and natural sources. The current focus of GEIA is to make global emissions available on a one degree grid for the entire world. The reference year for which data is being collected is 1990. The following emissions inventories are planned: NOx - nitrogen oxide SO2 - sulfur dioxide VOC - volatile organic compounds (isoprene,terpene,other) CO2 - carbon dioxide Pb - lead CFC - chlorofluorocarbons NH3 - ammonia N2O - nitrous oxide CH4 - methane CO - carbon monoxide Hg - mercury Organochlorines Radionuclides Biomass burning Aircraft emissions Reference: Middleton, P. and H. Lansford, ed. 1994. "Fourth International Workshop on Global Emission Inventories, Summary Report", GEIA Data Management and Information Exchange Center, Boulder, CO. Graedel, T.E., T.S. Bates, A.F. Bouwman, D. Cunnold, J. Dignon, I. Fung, D.J. Jacob, B.K. Lamb, J. A. Logan, G. Marland, P. Middleton, J.M. Pacyna, M. Placet, and C. Veldt (1993): A Compilation of Inventories of Emissions to the Atmosphere. Global Biogeochemical Cycles. 7, 1-26. Contacts: GEIA publications and general information: Henry Lansford, ACT Communication Manager Email: hlansford@nasw.org Data access and programming: Debra Hopkins Email: hopkinsd@spot.colorado.edu Data Manager: Paulette Middleton GEIA Data Management and Information Exchange Center RAND ESPC 2385 Panorama Avenue Boulder, Colorado 80304 USA Email: Paulette_Middleton@rand.org Data Availability: GEIA data can be accsed through: "http://weather.engin.umich.edu/geia/" (en)

Broader concept

URI

https://gcmd.earthdata.nasa.gov/kms/concept/3f037b60-c58c-42df-8f19-32910d0055a5

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