Dear M. Amornvivat,

There is a variable called ROFC in the WATER.OUT file which is cumulative
runoff.  The Flood.out file is, if I understand correctly, for floodwater
chemistry so it is probably only meaningful if you are interested in
flooded rice.  Which crop are you interested in?

Brian

At 06:08 PM 6/3/2001 -0400, you wrote:
>Dear members:
>
>I would like to obtain information on runoff from plots.  Can anyone
>suggest how to retrieve this data from one of the output files?  Is anyone
>familiar with the output file, FLOOD.OUT?  This file is generated when
>N-balance option in FileX is on.
>
>I construct a mass balance equation: change in Soil Water Storage in all
>layers (delta SW) = precipitation - total evaporation (ETAA) - runoff -
>percolation + irrigation.  By assuming that FLDP -- Floodwater Depth (mm)
>in FLOOD.OUT represents runoff from soil, the mass balance equaltion does
>not hold.  The user's guide does not explain how FLDP -- Flood Depth (mm)
>is computed.
>
>Please suggest.
>
>With regards,
>Sutapa Amornvivat

==============================================================
Brian Baer                           [log in to unmask]
CSS Dept, Michigan State University  (517) 353-4702 (voice)
570 Plant and Soil Science Building  (517) 355-0270 (fax)
East Lansing, MI  48824-1325         http://nowlin.css.msu.edu