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Modeling Global Biogenic Emission of Isoprene: Exploration of Model DriversVegetation provides the major source of isoprene emission to the atmosphere. We present a modeling approach to estimate global biogenic isoprene emission. The isoprene flux model is linked to a process-based computer simulation model of biogenic trace-gas fluxes that operates on scales that link regional and global data sets and ecosystem nutrient transformations Isoprene emission estimates are determined from estimates of ecosystem specific biomass, emission factors, and algorithms based on light and temperature. Our approach differs from an existing modeling framework by including the process-based global model for terrestrial ecosystem production, satellite derived ecosystem classification, and isoprene emission measurements from a tropical deciduous forest. We explore the sensitivity of model estimates to input parameters. The resulting emission products from the global 1 degree x 1 degree coverage provided by the satellite datasets and the process model allow flux estimations across large spatial scales and enable direct linkage to atmospheric models of trace-gas transport and transformation.
Document ID
20020034759
Document Type
Conference Paper
Authors
Alexander, Susan E. (National Academy of Sciences - National Research Council Moffett Field, CA United States)
Potter, Christopher S. (Johnson Controls, Inc. Moffett Field, CA United States)
Coughlan, Joseph C. (Johnson Controls, Inc. Moffett Field, CA United States)
Klooster, Steven A. (Johnson Controls, Inc. Moffett Field, CA United States)
Lerdau, Manuel T. (State Univ. of New York Stony Brook, NY United States)
Chatfield, Robert B. (NASA Ames Research Center Moffett Field, CA United States)
Peterson, David L.
Date Acquired
August 20, 2013
Publication Date
January 1, 1996
Subject Category
Geophysics
Meeting Information
81st Annual Meeting of Ecological Society of America(Providence, RI)
Funding Number(s)
PROJECT: RTOP 579-43-11-10
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.