Topographic roughness on forest floors: A theoretical approach for quantifying hillslope sediment flux from tree throw

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2021
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This is a collection of python scripts that extract data and data files that accompany a manuscript: Doane, Tyler H., Edmonds, Douglas A., Yanites, Brian J., and Quinn Lewis, (2021) 'Topographic roughness on forest floors: A theoretical approach for quantifying hillslope sediment flux from tree throw', Geophysical Research Letters. One Python script (hVarExample.py) is a code that allows for a user to calculate and extract topographic roughness from a digital elevation model (DEM). Another is a script (selectTile.py) that allows for a user to select specific pit-mound couplets and extract estimates of geometric parameters . A third script (selectTile2.py) allows for the user to toggle through selected couplets and examine the fit between an idealized couplet geometry and a natural one. Python data files (.npy) are dictionary files that contain tabular information for hillslope variance, slope, slope aspect, and size (CollectVarBrown2.npy). Another .npy file contains information on the parameters extracted from high resolution topography (rayParams.npy). A third contains the actual tiles selected that contain pit-mound couplets (rayCouplets.npy) Last, a shapefile (BrownCountyHSlopes and all extensions) is a vector or points that contains information about hillslope topographic variance, slope, slope aspect, and area.
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