Modeling sediment transport in the pantano wash, Tucson

Ryan Hummel, Guohong Duan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Hydrodynamic and sediment transport models are useful engineering tools for predicting flood flow. Many models such as HEC-RAS, HEC-6, IALLUVIAL, and GSTARS were developed for perennial rivers, and may not be suitable to ephemeral rivers in arid and semi-arid regions. This report outlines a study that examined the applicability of HEC-RAS 4.1 model in simulating flood flow and sediment transport in dryland streams in the state of Arizona. The objective is to determine if HEC-RAS model, especially the newly developed sediment transport model, is accurate in predicting erosion and sedimentations. The method of model verification and validation will guide other sediment modeling projects in other streams including the Salt River and the Verde River and their tributaries in Arizona, as well as the ephemeral rivers of Pima County. This study also examined various sediment transport formulas and recommended Yang's or Ackers-White's equations are the most appropriate formulas for sediment transport analysis in this region. Based on this study, we expect that the sediment transport analysis for dryland streams will be performed by using Yang's or Ackers-White's equations in HEC-RAS 4.1 model.

Original languageEnglish (US)
Title of host publicationWorld Environmental and Water Resources Congress 2011: Bearing Knowledge for Sustainability - Proceedings of the 2011 World Environmental and Water Resources Congress
Pages4246-4254
Number of pages9
DOIs
StatePublished - 2011
EventWorld Environmental and Water Resources Congress 2011: Bearing Knowledge for Sustainability - Palm Springs, CA, United States
Duration: May 22 2011May 26 2011

Other

OtherWorld Environmental and Water Resources Congress 2011: Bearing Knowledge for Sustainability
CountryUnited States
CityPalm Springs, CA
Period5/22/115/26/11

Fingerprint

sediment transport
modeling
river
semiarid region
tributary
hydrodynamics
sedimentation
salt
erosion
engineering
sediment

Keywords

  • Floods
  • Hydrodynamics
  • Sediment transport

ASJC Scopus subject areas

  • Environmental Science(all)

Cite this

Hummel, R., & Duan, G. (2011). Modeling sediment transport in the pantano wash, Tucson. In World Environmental and Water Resources Congress 2011: Bearing Knowledge for Sustainability - Proceedings of the 2011 World Environmental and Water Resources Congress (pp. 4246-4254) https://doi.org/10.1061/41173(414)441

Modeling sediment transport in the pantano wash, Tucson. / Hummel, Ryan; Duan, Guohong.

World Environmental and Water Resources Congress 2011: Bearing Knowledge for Sustainability - Proceedings of the 2011 World Environmental and Water Resources Congress. 2011. p. 4246-4254.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hummel, R & Duan, G 2011, Modeling sediment transport in the pantano wash, Tucson. in World Environmental and Water Resources Congress 2011: Bearing Knowledge for Sustainability - Proceedings of the 2011 World Environmental and Water Resources Congress. pp. 4246-4254, World Environmental and Water Resources Congress 2011: Bearing Knowledge for Sustainability, Palm Springs, CA, United States, 5/22/11. https://doi.org/10.1061/41173(414)441
Hummel R, Duan G. Modeling sediment transport in the pantano wash, Tucson. In World Environmental and Water Resources Congress 2011: Bearing Knowledge for Sustainability - Proceedings of the 2011 World Environmental and Water Resources Congress. 2011. p. 4246-4254 https://doi.org/10.1061/41173(414)441
Hummel, Ryan ; Duan, Guohong. / Modeling sediment transport in the pantano wash, Tucson. World Environmental and Water Resources Congress 2011: Bearing Knowledge for Sustainability - Proceedings of the 2011 World Environmental and Water Resources Congress. 2011. pp. 4246-4254
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