Movie:Rio Puerco Flood 2006 Simulation

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Information Page: Rio Puerco Flood 2006 Simulation

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Rio Puerco Flood 2006 Simulation

Key Attributes

Domain: terrestrial, hydrology
Keywords: river flood, channel flow-vegetation interactions, Arid West
Model name: Anuga
Name: Mariela, Perignon
Where: Rio Puerco, New Mexico, USA
When: 10th of August 2006, 4 hours

Short Description

Grade level: High (9-12), Under graduate (13-16), Graduate / Professional

Statement: River flow depth for Rio Puerco river under different vegetation densities

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 river water depth for those flood conditions vary at 0% vegetation, at 10% and at 20% vegetation coverage. You can see the channel system incised and with a single thread channel that meanders and then water spilling into chute channels and adjacent floodplain basins.




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