Summary:
The NashMod computer program, or simulation
model, calculates runoff from rainfall on
watersheds
(hydrologic catchment areas) whose extension is
limited by the condition that the rainfall can be
assumed evenly distributed over the area.
The program can be freely downloaded, it is free
shareware in the public domain.
The rainfall is converted into recharge by
routing through a a cascade of linear
retention reservoirs.
Modelling with NashMod gives the opportunity of
calculating the streamflow resulting from
rainfall
on the watershed (catchmnent) and of flood
forecasting.
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Details:
The number of reservoirs and their reaction
(response) factor can be determined
from recorded rainfall-runoff data. The program
uses a large number of reservoirs and reaction
More details are given in the program itself.
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Start:
The program starts giving clicking on
NasMod.Exe.
More information is given in the program itself.
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Notes:
This program is similar to
RainOff but RainOff
uses
a non-linear reservoir instead of a series
of linear reservoirs.
A program with 2 reservoirs having different
reaction factors was also made. Here, the first
reservoir represents the surface flow and the
second the stream flow. It can be made
available on request.
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Download
NashMod
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