Distribution and morphometry of pingos, western Canadian Arctic, Northwest Territories, Canada: Datasets and Supplementary Materials
Description
GIS shape files including spatial and morphometric data of pingos in the western Canadian Arctic and accompanying Excel spreadsheet summarizing metrics for pingos of differing height categories.
Files
Steps to reproduce
Within ArcGIS®, the pingo database of Wolfe et al. (2021) and HRDEM (Natural Resources Canada, 2020) were used to determine pingo metrics, including top and base elevations, planimetric (“footprint”) area, slope, surface area, ratio of the surface area to base area (i.e., surface ratio), and volume. Pingos were seperated into categories of <0.6 m high, for which no additional metrics were calculated, and pingos >0.6 to 2.0 m, and >2.0 m high. Metrics were determined with use of custom algorithm implemented as a Python script utilizing the ArcPy library and DEM Surface Tools extension (Jenness, 2010) for ArcGIS® DesktopTM 10.7.1. Detailed methodology may be found in the accompanying paper. References Jenness, J. 2013. DEM Surface Tools for ArcGIS. Jenness Enterprises. Available at: http://www.jennessent.com/arcgis/surface_area.htm Wolfe, S.A., Morse, P.D., Behnia, P., 2021. Spatial Distribution of Pingos in the Tuktoyaktuk Coastlands and Adjacent Areas, Northwest Territories, Canada; Geological Survey of Canada, Open File 8787, 1 .zip file. https://doi.org/10.4095/328305,