Jinying Li

CMAQ-DDM-3D Control File can not exceed 80 characters per line, when the need to control a large number of sectors and species will report errors

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**Description** A clear and concise description of the issue. Below is the control file I use when running DDM-3D, I found that CMAQ 5.4 and 5.3.2 give the following error...

NaN Values in HDDM Second-Order Sensitivity Results During NOx-O3 Analysis in CMAQ 5.4.0.5

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[2022hc.HEMI_scut_v05_HDDM_sector_species_NOx.csh.txt](https://github.com/user-attachments/files/22580821/2022hc.HEMI_scut_v05_HDDM_sector_species_NOx.csh.txt) [sensinput_2022_sector_NOx.dat.txt](https://github.com/user-attachments/files/22580822/sensinput_2022_sector_NOx.dat.txt) [CMAQ_Control_DESID.nml.txt](https://github.com/user-attachments/files/22580824/CMAQ_Control_DESID.nml.txt) [CMAQ_Control_DESID_cb6r5_ae7_aq.nml.txt](https://github.com/user-attachments/files/22580825/CMAQ_Control_DESID_cb6r5_ae7_aq.nml.txt) [CMAQ_Control_DESID_cb6r5_ae7_aq_nvpoa.2022EMPv1.nml.txt](https://github.com/user-attachments/files/22580826/CMAQ_Control_DESID_cb6r5_ae7_aq_nvpoa.2022EMPv1.nml.txt) [CMAQ_Control_Misc.nml.txt](https://github.com/user-attachments/files/22580827/CMAQ_Control_Misc.nml.txt) [CMAQ_Control_STAGE.nml.txt](https://github.com/user-attachments/files/22580828/CMAQ_Control_STAGE.nml.txt) Description While using CMAQ version 5.4.0.5 with Higher-Order Decoupled Direct Method (HDDM) for sensitivity analysis of NOx impacts on O3, the model simulation...