Simulating Glacial Erosion Using Landscape Evolution Code Chelsea Willett EPS 109 – Fall 2014.

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Presentation transcript:

Simulating Glacial Erosion Using Landscape Evolution Code Chelsea Willett EPS 109 – Fall 2014

Perron et al., 2008 (on bCourses) Modify parameters to generate U-shaped valleys: K=1x10 -6 m (1-2m) /yr D=0.003 m 2 /yr m=1.05 (area exponent) n=1.1 (gradient exponent) U=0 (uplift resulted in unstable edge effects) θ c =1 Test on simplified landscape (Gaussian valley) Apply to real topographic data (Andes) Discretized PDEs

Run “GlacialErosion.m” and select desired initial landscape conditions (lines 14-32) Gaussian valley

Run “GlacialErosion.m” and select desired initial landscape conditions (lines 14-32) Central Andes