Meeting:Abstract 2013 CSDMS meeting-077

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CSDMS all hands meeting 2013

Explore the mechanism of valley spacing for higher order fluvial channels with CHILD

Irina Overeem, University of Colorado Boulder Colorado, United States. irina.overeem@colorado.edu
Nicole Gasparini, Tulane University New Orleans Louisiana, United States. ngaspari@tulane.edu


[[Image:|300px|right|link=File:]]Many studies have found that the ratios between valley spacing and width of mountain range are relatively constant over the world. It seems like the magic of the nature which produces even and uniform ripples, dunes and valleys both in seascape and landscape. Perron et al. (2008) has found that the critical length (CL) between hillslope and fluvial processes play a key role in the valley spacing of first order fluvial channels. In this study, we’ll use landscape evolution model CHILD to further explore the mechanism of valley spacing for second and higher order fluvial channels, and to discuss the reason why the ratios between valley spacing and mountain width might fall into a narrow range for diverse natural settings.


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