Andrea Ryan April 22,2010. Increased imperviousness on the Texas A&M West Campus is damaging the watershed.

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Presentation transcript:

Andrea Ryan April 22,2010

Increased imperviousness on the Texas A&M West Campus is damaging the watershed.

SCS Curve Number Method ment.JPG

Storm Water Management Model (SWMM) OUTPUT: Hydrologic Footprint Residence Peak Flow Volume

This output is now the input to SWMM…

 Katie – large storm events (>3.0in)  Andrea – small storm events (<3.0in)  Hypothesis: Low Impact Development will be more effective for small storms & a detention pond will be more effective for large storms.

 24 Storms through HEC-HMS… with a hyphen in the name. BIG MISTAKE.  SWMM has an error  HFR? Problem from SWMM output or HFR code itself?

 Run storm events to test hypothesis  A small lit review of the impacts of LID and BMPs on small vs large storms  Figure out what’s wrong with SWMM & HFR…