Triangulating from the cairns…
This is a 9 meter resolution dataset representing topographic aspect in degrees clockwise from North. The original elevation dataset is synthesized from 6 airborne laser scanning (LiDAR) datasets collected from August 2016 to August 2023. The data extent covers the declared forest boundary of the Grand Mesa, Uncompaghre, and Gunnison National Forests in western Colorado, USA. To generate this 9 meter resolution dataset, the original 3 meter resolution aspect data was aggregated to a 9 meter grid using the modal value of 3 m cells using the gdalwarp program, version 3.8. These datasets were generated by Ian Breckheimer (ikb@rmbl.org) and Rachel Crafford at Rocky Mountain Biological Laboratory on behalf of the US Forest Service.
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