Rating Curve Development in Compound Channels by Variable Parameter Muskingum Discharge Routing Method (Contributo in atti di convegno)

Type
Label
  • Rating Curve Development in Compound Channels by Variable Parameter Muskingum Discharge Routing Method (Contributo in atti di convegno) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Alternative label
  • Bhabagrahi Sahoo; Muthiah Perumal; Tommaso Moramarco; Silvia Barbetta (2013)
    Rating Curve Development in Compound Channels by Variable Parameter Muskingum Discharge Routing Method
    in HYDRO 2013 International, CHENNAI, India, 4-6 Dicembre 2013
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bhabagrahi Sahoo; Muthiah Perumal; Tommaso Moramarco; Silvia Barbetta (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di Ricerca per la Protezione Idrogeologica, National Research Council, Perugia, Italy; Department of Hydrology, Indian Institute of Technology Roorkee, Roorkee, India School of Water Resources, Indian Institute of Technology Kharagpur, India (literal)
Titolo
  • Rating Curve Development in Compound Channels by Variable Parameter Muskingum Discharge Routing Method (literal)
Abstract
  • On the basis of the extension of the physically based variable parameter Muskingum discharge-hydrograph (VPMD) routing method developed by M. Perumal in 1994, a routing method for discharge computation in channels with floodplains is proposed herein. The upstream discharge hydrograph is routed using this extended VPMD method in different twostage symmetrical trapezoidal compound cross section channel reaches. The stage hydrograph corresponding to the routed discharge hydrograph is also estimated by the extended VPMD method. The performance of the proposed VPMD method extension is evaluated by conducting systematically planned numerical experiments and comparing the results with the routing results obtained using the MIKE 11 hydraulic model, which is used as the benchmark model in this study. Further, the suitability of the proposed extended VPMD routing method is verified using the field data of the Tiber River in central Italy. The proposed method is capable of accurately routing the discharge hydrographs, synthesizing the normal rating curves and establishment of wave speed-discharge relationships at downstream ungauged river sites which are not affected by any downstream effects. This study can be helpful for various planning and management of river water resources in both the diagnostic and prognostic modes. (literal)
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