1209 SWQMP Report_3 2013

Catchment A +dam detention Q10 Coo noosa 10-Year Duration=20 min, Inten=127.9 mm/hr
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                                 Summary for Subcatchment 2S: Half catchment A

[48] Hint: Peak<CiA due to short duration

Runoff                 =     1.29046 [email protected] hrs, Volume=       2.105 Ml, Depth= 37 mm

Runoff by Rational method, Rise/Fall=1.0/1.7 xTc, Time Span= 0.00-3.00 hrs, dt= 0.01 hrs
noosa 10-Year Duration=20 min, Inten=127.9 mm/hr

                 Area (m²)       C   Description
                  56,815.0    0.74   LIGHT GRASS ON clay
                  56,815.0           100.00% Pervious Area

    Tc   Length                 Slope Velocity    Capacity Description
  (min) (meters)                (m/m) (m/sec)       (m³/s)
   23.0                                                    Direct Entry, GRASS OVER clay

                                        Subcatchment 2S: Half catchment A
                                              Hydrograph

                       1.29046 m³/s                                                               Runoff
                                                                      noosa 10-Year
                                                                    Duration=20 min,
                                                                  Inten=127.9 mm/hr
                   1
                                                             Runoff Area=56,815.0 m²
   Flow (m³/s)




                                                             Runoff Volume=2.105 Ml
                                                               Runoff Depth=37 mm
                                                                        Tc=23.0 min
                                                                             C=0.74




                   0
                       0                      1                   2                    3
                                                  Time (hours)