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~ ~ ~ PURPOSE ~ ~ ~
this subroutine computes travel time coefficients for routing
along the main channel - grassed waterways
~ ~ ~ ~ ~ ~ END SPECIFICATIONS ~ ~ ~ ~ ~ ~
If side slope is not set in .rte file then assume this default
If it is main reach default side slope to 2:1 if it is a waterway default to 8:1
check if bottom width (b) is < 0
compute flow and travel time at bankfull depth
compute flow and travel time at 1.2 bankfull depth
compute flow and travel time at 0.1 bankfull depth
Nodes of different colours represent the following:
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arrows point from an interface to procedures which implement that interface.
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