online_conceptual_overland_two:   Calculation of conceptual dimensionless overland flow hydrographs (1 ≤ m ≤ 3)

References

• Ponce et al., 1997:  Generalized conceptual modeling of dimensionless overland flow hydrographs.

• Ponce, V. M., 2014:  Engineering Hydrology, Principles and Practices, Chapter 4, Section 2.

⇐  Rising limb
Receding limb  ⇒
INPUT DATA:
           
[Sample input]           
          

Watershed / ID (optional):  

Select units:    
    (SI units) (U.S. Customary units)

Select formula:    

Select hydrograph:    

[Numbers within square brackets indicate that this input is required for the selected formula]

Rainfall duration tr  [1,2,3,4,5]  (min):   

Length L  [1,2,3,4,5]  (m) (ft):   

Slope So  [1,2,3,4,5]  (m/m) (ft/ft):   

Effective rainfall intensity i  [1,2,3,4,5]  (mm/hr) (in/hr):   

Manning friction coefficient n   [1,2,3,4]:   

Water temperature T  [5]  (oC) (oF):   

OUTPUT/RESULTS:

q /qet /teqt
0 0 0 0
             

  Your request was processed at  10:11:18 pm on May 14th, 2026   [ 260514  22:11:18 ].

Thank you for running   online_conceptual_overland_two   Please call again.   [190802]