All,
We found a bug related to the coupling
of MEGAN and gas-phase mech. in WRF/Chem 3.4.1.
The coupling is broken between MEGAN and all gas-phase mechanisms other than RADM, RACM2, MOZART, MOZCART, GOCARTRACM, and GOCARTRADM2.
Namely, the coupling only works for options RADM2, RADM2_KPP, RADM2SORG, RADM2SORG_AQ, RADM2SORG_AQCHEM, RADM2SORG_KPP, RACM_KPP, RACMPM_KPP, RACM_MIM_KPP, RACMSORG_AQ, RACMSORG_AQCHEM, RACMSORG_KPP, RACM_SOA_VBS_KPP, RACM_ESRLSORG_KPP, MOZART_KPP, MOZCART_KPP, MOZART_MOSAIC_4BIN_VBS0_KPP, GOCARTRACM_KPP,GOCARTRADM2,GOCARTRADM2_KPP.
If you are using CBMZ,SAPRC99 and othe mechenisms that are listed above together with MEGAN, please double check the coupling.