WMS:Quick Tour -Travel Time Computation

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Sometimes a single equation is not adequate to compute the travel time for time of concentration or lag time, or a user may wish to have a little more control over how the geometric parameters are computed. A GIS vector coverage for time computations can be defined and then separate arcs (lines) used to define different equations. The sum of the travel times for the arcs within the basin is then used for time of concentration or lag time.

TimeComputationsArcAttributes2.jpg Tccalcparms.jpg


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WMS – Quick Tour
Overview:Getting Started   •   Layout   •   Modules   •   Tools   •   Macros   •   Properties Window   •   Help StripWMS.PNG
Modules:Background Images   •   Draped Images   •   Terrain Data   •   DEMs   •   Flow Direction Vectors  •   Flow Accumalation  •   Watershed Outlet   •   Basin Delineation  •   TINs   •   Conceptual Model   •   Creating the TIN  •   Outlet Point Creation   •   Basin Delineation Flow Paths   •   Coverages  •   Feature Object Data   •   Storing the DEM Delineation   •   Conceptual Model for TINs   •   Creating Watershed Models Directly   •   Land Use   •   Soil   •   GIS Data   •   GIS with ArcObjects   •   Adding GIS Data   •   Join Tables   •   Travel Time Computations   •   More Travel Time Computations   •   Channel Calculations   •   Cutting Cross Sections   •   Curb and Gutter Flow   •   Culvert Hydraulics
Models:HEC-1   •   HEC-1 Lag Time and TC  •   HEC-1 Curve Numbers  •   HEC-1 Thiessen Gage Weights  •   HEC-1 Storage Capacity Curves  •   HEC-1 Time Area Curves   •   HEC-1 Area Between Contours   •   TR-20   •   TR-20 Lag Time   •   TR-20 Curve Numbers   •   Rational   •   Ration IDF Curve   •   NSS   •   HSPF   •   More HSPF   •   LA County Hydrology   •   Maricopa County Hydrology   •   HEC-RAS   •   Storm Drain   •   Further Storm Drain
Functionalities:Floodplain Delineation   •   More Floodplain Delineation   •   Additional Floodplain Delineation   •   Detention Basin Analysis   •   Composite Curve Numbers   •   Post Processing   •   More Post Processing   •   Finding Data   •   Support
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