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. 2019 Apr 23;9:6390. doi: 10.1038/s41598-019-42556-5

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Hillslope curvature across Johnston Draw catchment. (a) A hillslope curvature map of Johnston Draw, a subcatchment of Reynolds Creek Critical Zone Observatory, Idaho based on a 3 m posting of a digital elevation model (DEM) derived from a 2007 Light Detection And Ranging (LiDAR) data set (10.18122/B27C77), showing the location of the model (triangles) and validation sites (hexagons) within the soil mantled, granitic portion of the Johnston Draw catchment. (b) Curvature histograms for sampled sites (black bins) and the entire the Johnston Draw catchment (gray bins) show normal distributions centered around 0 m⁻¹, which are planar surfaces.