THIS IS BETA SOFTWARE!

Contact: Fred Ogden 7/2000
         ogden@engr.uconn.edu
         http://www.engr.uconn.edu/~ogden/

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Further Web Space:
http://www.gis.uiuc.edu/research/hpgis/casc2d.htm
http://watercenter.colostate.edu/people/julien.html
http://www.engr.uconn.edu/~ogden/casc2d/casc2_desc.htm

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This is source directory for r.hydro.CASC2D model.

*** Drain function and channel subroutines edited by FLO Nov. 3 1994..

Description of functions:

CASC2D.c      same as main.c
ch_depth.c    explicit channel depth update
ch_flow.c     explicit channel routing module
crash.c       crash due to negative depth
im_coeff.c    coefficient function for implicit option
im_ddsqoy.c   derivative of downstream Q(y) function for implicit option
im_dsqoy.c    downstream Q(y) function for implicit option
im_dsyot.c    downstream y(t) function for implicit option
im_flow_route.c main flow implicit flow routing module
im_norm_calc.c  normal depth at the outlet and backwater option for -b flag
im_read_input.c channel input reading function
im_read_table.c break point channel geometry reading function
im_reservoir.c  water surface update for reservoirs (implicit routing)
im_section.c    section function for implicit option
im_spill.c      spillway discharge function for implicit option
im_usqot.c      upstream Q(t) function for implicit option
im_weir_coeff.c  weir coefficient function
inf_nodist.c    infiltration without redistribution function
inf_redist.c    infiltration with redistribution function
intercep.c       interception function
ov_flow.c        overland flow routing function
ov_lake.c        lake-overland routing function
rain_sq_dis.c    raingage rainfall distribution function based on inverse 
                 squared distance
rain_thiessen.c  raingage rainfall distribution function based on Thiessen
                 polygon technique
read_gage_file.c function to read raingage file 
write_files.c    function to write output raster maps


To try in Spearfish Dataset
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r.hydro.CASC2D elevation=elevation.10m@PERMANENT \
  outlet_eastNnorthNslope=601220.607477,4927674.62617,0.1 \
  Manning_n=0.1 unif_rain_int=50 time_step=1 rain_duration=10800 tot_time=10800 \
  write_time_step=600 discharge=try depth_map=CASC2D_depth