MEGAN v2.1 plus Guenther 2012 biogenic emissions

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Update to MEGAN2.1 (Guenther et al., 2012)

NOTE: The MEGAN2.1 emissions have only been used in research versions of GEOS-Chem to date. We are currently planning to include MEGAN2.1 emissions into GEOS-Chem v10-01 via the HEMCO emissions component.

— Bob Yantosca, 13 May 2014

Please see this file that describes an available update to MEGAN2.1 in GEOS-Chem. The update applies emission algorithm updates according to Guenther et al. (Geosci. Model Dev., 5, 1471–1492, 2012), enables computation of emissions for more compounds, uses CLM4 plant functional type distributions, facilitates computing emissions with different/dynamic land cover schemes, and streamlines the code.

Please contact Dylan Millet to obtain the code or with any questions.

Documentation:

  • Comparison between previous and updated BVOC emissions for standard tracers (year-2006):
  • Comparison between previous and updated BVOC emissions for standard tracers (nested NA, year-2011):
  • Updated emissions for all BVOCs, including non-standard tracers:
  • Monthly CO comparison for previous and updated MEGAN implementation (year-2006; 4x5 resolution):

--Dbm 14:18, 22 January 2013 (EST)