WMS:TR-55 Time of Concentration: Difference between revisions

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Three different options exist for determining the basin time of concentration (tc).
#REDIRECT [[WMS:TR-55 Basin Data]]
 
# The time of concentration can be computed outside of WMS and entered into the appropriate edit field.
# The [[WMS:Travel Times from Basin Data|Compute Tc – Basin Data]] button can be chosen and one of the time of concentration (or lag time) equations specified (this option is only available when you have computed basin data from either a TIN or a DEM).
# Finally, a series of time computation arcs may be used to define overland, sheet, and channel flow with in a basin and then travel times for each arc are summed to compute the total travel time or time of concentration for the basin. The [[WMS:Travel Times from Map Data|Compute Tc – Map Data]] button accesses the dialog which allows you to combine arcs within the currently selected basin to compute a time of concentration. A description of the [[WMS:Time Computation|time computation coverage]] can help in understanding how to do this.
 
 
==Related Topics==
* [[WMS:TR-55|TR-55 Overview]]
* [[WMS:TR-55 Edit Parameters|Entering TR55 Parameters]]
* [[WMS:TR-55 Basin Data|Basin Data]]
 
 
{{WMSMain}}

Latest revision as of 18:37, 24 September 2013