[GRASS-user] r.sim.water output information

hong_on_the_way lihong2291 at gmail.com
Fri Dec 28 04:56:04 PST 2018


I am very confused with the output message of r.sim.water. Here I use rain is
3600 mm/hour why the mean source rater is 0.000070 m/s = 252 mm/hour.
Thanks. 

Tue Dec 25 11:19:17 2018)                                                       
r.sim.water -s --overwrite --verbose elevation=DEM_HUS_05m_Oslo_kommune at done
dx=dx dy=dy rain_value=3600.0 infil_value=0.0 man_value=0.1 depth=dep_test
nwalkers=58233882 niterations=60 output_step=60 diffusion_coeff=0 
Generated random seed (-s): 1546392760 
Reading float map DEM_HUS_05m_Oslo_kommune at done into memory 
Reading double map dx into memory 
Reading double map dy into memory 
Creating float matrix with value 0.1 
Creating double matrix with value 0.0010008 
Creating double matrix with value 0 
Creating float matrix with value -9999 
Creating double matrix with value 0 
Min elevation = 19.94 m 
Max elevation = 191.51 m 
Mean Source Rate (rainf. excess or sediment) = 0.000070 m/s or kg/m2s
Mean flow velocity = 0.235999 m/s 
Mean Mannings = 1.419758 
Number of iterations = 849 cells 
Time step = 1.06 s 
(Tue Dec 25 11:20:03 2018) Command finished (45 sec)                             
(Tue Dec 25 11:22:56 2018)                                                       
r.sim.water -s --overwrite --verbose elevation=DEM_HUS_05m_Oslo_kommune at done
dx=dx dy=dy rain_value=36000.0 infil_value=0.000 man_value=0.1
depth=dep_test nwalkers=58233882 niterations=60 output_step=60
diffusion_coeff=0 
Generated random seed (-s): 1546552205 
Reading float map DEM_HUS_05m_Oslo_kommune at done into memory 
Reading double map dx into memory 
Reading double map dy into memory 
Creating float matrix with value 0.1 
Creating double matrix with value 0.010008 
Creating double matrix with value 0 
Creating float matrix with value -9999 
Creating double matrix with value 0 
Min elevation = 19.94 m 
Max elevation = 191.51 m 
Mean Source Rate (rainf. excess or sediment) = 0.000705 m/s or kg/m2s 
Mean flow velocity = 0.235999 m/s 
Mean Mannings = 1.419758 
Number of iterations = 849 cells 
Time step = 1.06 s 
(Tue Dec 25 11:23:48 2018) Command finished (51 sec)       



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