Bugs and fixes in GEOS-Chem v7 and v8

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On this page, we list all bugs and technical issues that were discovered and fixed prior to GEOS-Chem versions 7 and 8. Many of these fixes were now in source code modules that have since been removed from GEOS-Chem.

For bugs and fixes in newer versions, please see:

Issues resolved in GEOS-Chem v8-03-02

  1. Fix for EPA/NEI 2005 emissions
  2. Minor fixes in gamap_mod.f
  3. Bug fix for ND42 diagnostic and ISORROPIA II
  4. Minor fix for AOD calculation
  5. Avoid using unallocated arrays in edgar_mod.f
  6. Transport fix for GEOS-5 nested grid simulations

--Bob Y. 16:53, 7 September 2010 (EDT)

Issues resolved in GEOS-Chem v8-03-01

  1. Patch to enable call to SOA PARA INIT
  2. Patch to fix declaration of IONIC in ISORROPIA_II
  3. Patch to fix bug in Aromatic SOA
  4. Patch to scale AOD diagnostic output to other wavelengths
  5. Photolysis now computed at midpoint of chemistry timestep
  6. Bug fix in ISORROPIA for offline aerosol
  7. Minor bug fix in SRCSO2
  9. Bug in READ_ANTHRO_NH3
  10. Fix for initialization of EMEP ship emissions
  11. Bug fix in AVGPOLE
  12. Bug fix in EMITHIGH (carbon_mod.f)
  13. Fix to prevent numerical overflow in EXP function

--Bob Y. 15:05, 30 June 2010 (EDT)

Issues resolved in GEOS-Chem v8-02-04

  1. Memory issue with KPP
  2. Updated reactions in sulfate_mod.f
  3. Bug fix for EMEP ship emissions
  4. Minor fix for molecular weights in drydep_mod.f
  5. Bug fix in biomass_mod.f
  6. Minor bug fix in gamap_mod.f
  7. Fixes and updates in seasalt_mod.f
  8. Bug fix in emfossil.f for 0.5 x 0.666 nested grid tagged-CO option
  9. Bug fix in DIAG20 (diag_pl_mod.f)
  10. Div-by-zero error encountered in arsl1k.f
  11. Fix for diagnostic arrays in TPCORE
  12. MEGAN now uses MODIS LAI by default

--Bob Y. 16:29, 23 February 2010 (EST)

Issues resolved in GEOS-Chem v8-02-03

  1. Patch for KPP solver for v8-02-03
  2. Corrected Bond et al BC/OC emissions
  3. Several bug fixes in sulfate_mod.f
  4. Missing NOx data in S.E.-Asia
  5. Mis-calculation of Courant numbers in tpcore_fvdas_mod.f90
  6. Format problem in planeflight_mod.f

--Bob Y. 16:55, 4 February 2010 (EST)

Issues resolved in GEOS-Chem v8-02-02

  1. EPA/NEI inventory: reset other species to zero
  2. Scale factor for oceanic acetone for GEOS5 2x2.5 was fixed in GEOS-Chem v8-02-02.
  3. Bug with PRIVATE declaration in sulfate_mod.f
  4. Bug with online 2ndary aerosol
  5. Typo in HO2 uptake

--Bob Y. 16:40, 11 January 2010 (EST)

Issues resolved in GEOS-Chem v8-02-01

  1. Output selected tracers only for dry and wet deposition, convection and rain diagnotics
  2. On-the-fly regridding for 0.5x0.667 nested grids
  3. Bug with EMEP ship emissions for nested grids
  4. Bug in sulfate_mod.f to turn off biomass emissions
  5. Minor error in gamap_mod.f
  6. Bug fix for Streets emissions on 0.5x0.666 nested grid

--Bob Y. 09:55, 12 January 2010 (EST)

Issues resolved in GEOS-Chem v8-01-04

  1. Seg fault in GEOS-5 China nested grid simulation
  2. Error message in partition.f
  3. Erroneous O3 diagnostic (ND45)
  4. Post-Release Patches

--Bob Y. 09:58, 12 January 2010 (EST)

Issues resolved in GEOS-Chem v8-01-03

  1. TPCORE replaced with version based on GMI model
  2. Output of ND51 does not match output in the ctm.bpch file
  3. ND22 (J-value) diagnostic
  4. ND34 (biofuel emissions) diagnostic
  5. Change of location of calls to diagnostics in main.f

--Bob Y. 10:29, 12 January 2010 (EST)

Issues resolved in GEOS-Chem v8-01-02

  1. Quick fix for GEOS-5 optical depth
  2. Corrected labeling of SOA quantities in carbon_mod.f
  3. Double-substitution error in GET_ALK
  4. Robustness fix for reading anthropogenic SO2 and NH3
  5. Minor bug in gasconc.f & calcrate.f
  6. Minor bug in emfossil.f
  7. Fix for mass balance of HNO3 and NIT
  8. Bug in ND43
  9. Problem w/ ND65 diagnostic and dynamic tropopause
  10. Albedo diagnostic in GEOS-4
  11. Pressure diagnostic : PS-PTOP vs. PEDGE
  12. Minor bug in log file output

--Bob Y. 10:29, 12 January 2010 (EST)

Issues resolved in GEOS-Chem v8-01-01

  1. Post-release patches
  2. Fixes for offline simulations
  3. Bugs in ND47/ND65/ND45 in v8-01-01

--Bob Y. 10:35, 12 January 2010 (EST)

Issues resolved in GEOS-Chem v7-04-13

  1. Error in regrid_1x1_mod.f
  2. Error in smvgear.f

--Bob Y. 10:49, 12 January 2010 (EST)

Issues resolved in GEOS-Chem v7-04-10

  1. NaN's in smvgear.f

--Bob Y. 10:53, 12 January 2010 (EST)