Illinois Data Bank

Dataset for "Why are Drainage Networks Dendritic?"

A newer version of this dataset is available. View the latest version.

This dataset contains data from 10 simulations using a landscape evolution model. A landscape evolution model simulates how uplift and rock incision shape the Earth's (or other planets) surface. To date, most landscape evolution models exhibit "extreme memory" (paper: https://doi.org/10.1029/2019GL083305 and dataset: https://doi.org/10.13012/B2IDB-4484338_V1). Extreme memory in landscape evolution models causes initial conditions to be unrealistically preserved.

This dataset contains simulations from a new landscape evolution model that incorporates a sub-model that allows bedrock channels to erode laterally. With this addition, the landscapes no longer exhibit extreme memory. Initial conditions are erased over time, and the landscapes tend towards a dynamic steady state instead of a static one.

There are 2 animations for each simulation, which totals for 20 animations (10 simulations x 2). For each simulation, there is 1 animation that shows elevation and 1 animation that shows drainage area over time. Elevation depicts the height of the landscape, and drainage area represents a contributing area that is upslope. There are 20 folders in the dataset, and each folder contains:
>1000 .asc raster files
>1 .wmv formatted movie
>1 .mp4 formatted movie

The associated publication for this dataset has not yet been published, and we will update this description with a link when it is.

Technology and Engineering
landscape evolution; drainage networks; lateral migration; geomorphology
CC0
U.S. National Science Foundation (NSF)-Grant:DGE-1144245
U.S. National Science Foundation (NSF)-Grant:EAR-1427262
U.S. National Science Foundation (NSF)-Grant:OIA-1833025
Jeffrey S. Kwang
1382 times
Version DOI Comment Publication Date
3 10.13012/B2IDB-3968226_V3 Replacing simulations where the initial condition consists of a sinusoidal channel with topographic perturbations with simulations where the initial condition consists of a sinusoidal channel without topographic perturbations. 2021-01-27
2 10.13012/B2IDB-3968226_V2 The new version includes data from six more simulations and fixes movie playback issues. 2020-10-24
1 10.13012/B2IDB-3968226_V1 2020-06-11

5.94 KB File
124 MB File
257 MB File
64.7 MB File
278 MB File
76.6 MB File
288 MB File
87 MB File
266 MB File
74 MB File
248 MB File
283 MB File
62 MB File
88.4 MB File
293 MB File
89 MB File
290 MB File
86.3 MB File
292 MB File
89.7 MB File
129 MB File

Contact the Research Data Service for help interpreting this log.

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