Routing: Flow Diffusion File¶
This file contains the flow diffusion (m2/s) parameter used in the river routing component of the model. An example file, in which the diffusion coefficient is assumed a constant value of 1000, is shown below:
ncols 22
nrows 20
xllcorner -97.000
yllcorner 38.000
cellsize 0.50
NODATA_value 0
0 0 0 1000 1000 1000 1000 1000 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 1000 1000 1000 1000 1000 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 1000 1000 1000 1000 1000 1000 1000 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 0 0 0 0 0 0
0 0 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 0 0 0 0 0 0
1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 0 0 0 0 0 0
1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 0 0 0 0 0 0
0 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 0 0 0 0 0 0 0
0 0 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 0 0 0 0 0
0 0 0 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 0 0 0 0
0 0 0 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 0 0 0 0
0 0 0 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 0 0 0 0
0 0 0 0 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 0 1000 1000
0 0 0 0 0 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000
0 0 0 0 0 0 0 0 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 0 0
0 0 0 0 0 0 0 0 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 0 0 0 0
0 0 0 0 0 0 0 0 0 1000 1000 1000 1000 1000 1000 1000 1000 0 0 0 0 0
0 0 0 0 0 0 0 0 0 1000 1000 1000 1000 1000 1000 1000 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 1000 1000 1000 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0