Simultaneous Multiple Grids
(Fine and Coarse)


  • For multiple meteorology grids, computations use only one grid per time step
  • For multiple concentration grids, particles contribute mass to all grids
  • Finer grids need more particles; shorter run duration requires fewer particles



captex_control.txt

   load control file

captex_setup.txt

   load setup file

Set concentration grid to 0.05

Reduce reduce run time to 25h    (or 43 | 68 if time available)

numpar = 10000

   namelist particle release number



42.0 -82.5

   map center

0.05 0.05

   grid resolution

5.0 5.0

   grid span

hysplit2FG.bin

   output file

26 06

   stop day hour

hysplit2FG.bin

   input file

concplotFG

   output file

4 50

   number rings, distance

39.90 -84.22

   map center





Concentration output from the original 0.25 grid