--- license: cc tags: - biology - earth - polar - geospatial - tiff - image - climate pretty_name: arcticDEM --- # ArcticDEM 32 m Mosaic ## Dataset Summary A publicly-accessible digital elevation mosaic covering the Arctic region, derived from the Polar Geospatial Center’s ArcticDEM project, at 32 m horizontal resolution. --- ## 📘 Dataset Description - **Source** Provided by the University of Minnesota’s Polar Geospatial Center (PGC), part of the ArcticDEM initiative funded by NSF & NGA ([website](https://www.pgc.umn.edu/data/arcticdem/)). - **Spatial Coverage** Pan-Arctic: regions north of ~60° N (Greenland, Canada, Russia, Alaska, etc.). - **Resolution** Mosaic tiles at 32 m pixel spacing derived from 2 m strip data. - **Temporal Context** Mosaics built from multi-date strip DEMs, assembled via median-stacking; the 32 m product is a static mosaic without temporal layers. - **File Format & Projection** - Format: 32-bit GeoTIFFs - Projection: NSIDC Polar Stereographic North (EPSG:3413) - Vertical datum: WGS84 ellipsoid - **Data and Quality Bands** - Elevation band - Optional quality masks (source count, med-abs-dev) - Voids flagged with NoData (–9999) --- ## 🔧 Supported Tasks - Regional elevation modeling - Terrain analysis (gradient, aspect, watershed) - Large-scale environmental and geospatial modeling - Baseline surface for Arctic research & visualization --- ## Get Started ```python from datasets import load_dataset dataset = load_dataset('cgeorgiaw/arcticDEM') ```