Hello all, I am running CMAQ ISAM, to do source apportionment study. My CMAQ_MASK file has 9 tags. The problem is the Initial Condition contributes exactly the same as all of my 9 source regions in the SA outputs. My isam_control setting: TAG CLASSES |OZONE,NITRATE,VOC TAG NAME |GR1 …

Thanks. Is the first image you posted based on some inert tracer result with a source in the grid cell you defined as ISAM region? To test whether the unexpected patterns happen because of limitations with the current ISAM code as it relates to secondary gas phase species or persisting problems wit…

ISAM SA_ACONC output error

CMAQ-ISAM

lizadams October 2, 2020, 7:59pm 19

@YukuiLi - It looks like you reposted this question, and it was answered on the following issue. CMAQV5.3 ISAM Region not found

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ISAM SA_ACONC output error

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