CMAQv5.1 Gravitational settling

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Brief Description

Added the effects of gravitational settling of coarse aerosols (J- and K-mode) from upper to lower layers

Significance and Impact

Affected files

Modified files

  • vdiff/acm2/vdiffproc.F
  • vdiff/acm2/SEDIMENTATION.F
  • vdiff/acm2/aero_sedv.F

New optional run script flags:

setenv CTM_GRAV_SETL N # to turn off gravitational settling

References

Contact

Jeff Young, and Jon Pleim, National Exposure Research Laboratory, U.S. EPA