Movie:Rio Puerco 2006 Sedimentation Simulation

Information Page: Rio Puerco 2006 Sedimentation Simulation

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Rio Puerco Flood Sedimentation 2006 Simulation

Key Attributes

Domain:	terrestrial, hydrology
Keywords:	river floods, vegetation-sedimentation interactions, invasive species
Model name:	Anuga
Name:	Mariela, Perignon
Where:	Rio Puerco, New Mexico, USA
When:	August 2006, 4 hrs

Short Description

Grade level: Under graduate (13-16), Graduate / Professional

Statement: Sediment deposition during the Rio Puerco flood in 2006

Abstract: The Rio Puerco is a major tributary to the Rio Grande in New Mexico, USA. It is presently an incised arroyo system, with ephemeral flow. Significant river flow only occurs when large rain storms hit the drainage basin, in other times of the year it is a dry river bed with stagnant pools. The incised river valley has extensive coverage of Tamarisk Trees, an invasive species. In 2003 a section of the river system was sprayed with herbicides and vegetation died off. These simulations investigate the effect of varying vegetation coverage in the river system. In August 2006, a large rain event occurred and a peak flow was observed at the river observation stations. The simulations show how the sedimentation for those flood conditions vary at 0% vegetation, at 10% and at 20% vegetation coverage. You can see the channel system eroded deeply (red) in the barren river system and how both the sedimentation (in blue) and erosion (in red) is much reduced in the more vegetated floodplain.

Links

https://csdms.colorado.edu/wiki/Model:Anuga

References

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