• Publications
  • Influence
Hillslope processes, drainage density, and landscape morphology
Catchment morphology and drainage density are strongly influenced by hillslope processes. The consequences of several different hillslope process laws are explored in a series of experiments with aExpand
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A stochastic approach to modeling the role of rainfall variability in drainage basin evolution
We develop a simple stochastic theory for erosion and sediment transport, based on the Poisson pulse rainfall model, in order to analyze how variability in rainfall and runoff influences drainageExpand
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Self‐formed bedrock channels
[1] An effective physics-based rule for the evolution of bedrock channel cross sections is required for quantitative modeling of the roles of climate, tectonics, and sediment supply in settingExpand
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An object-oriented framework for distributed hydrologic and geomorphic modeling using triangulated irregular networks
We describe a newset of data structures and algorithms for dynamic terrain modeling using a triangulated irregular network (TINs). The framework provides an efficient method for storing, accessing,Expand
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Statistical analysis of drainage density from digital terrain data
Drainage density (D-d), defined as the total length of channels per unit area, is a fundamental property of natural terrain that reflects local climate, relief, geology, and other factors. AccurateExpand
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Statistical treatment of fluvial dose distributions from southern Colorado arroyo deposits
Abstract Many of the small-scale arroyo systems found across southern Colorado contain well-preserved sedimentary records of prehistoric fluvial erosion and aggradation epicycles. In the followingExpand
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Formation timescales of large Martian valley networks
Abstract Assessing timescales for formation of the ancient Martian valley networks is key to interpreting the early climate on Mars. We determined the likely formation times for seven of the largestExpand
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Modeling the effects of vegetation‐erosion coupling on landscape evolution
[1] From rainfall interception at the canopy to added soil cohesion within the root zone, plants play a significant role in directing local geomorphic dynamics, and vice versa. The consequences atExpand
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Creative computing with Landlab: an open-source toolkit for building, coupling, and exploring two-dimensional numerical models of Earth-surface dynamics
Abstract. The ability to model surface processes and to couple them to both subsurface and atmospheric regimes has proven invaluable to research in the Earth and planetary sciences. However, creatingExpand
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Implications of bank failures and fluvial erosion for gully development: Field observations and modeling
[1] Gully erosion is most commonly triggered by fluvial erosion following natural and anthropogenic disturbances or as a response to changes in climate and tectonic forcing and base level drop. FieldExpand
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