I'm trying to extract aspect surfaces from different DEM sources at different resolutions in QGIS. I've had success working with SRTM-derived grids (3-arcseconds) and am trying to perform the same gdal-based functions on Canadian DEMs (0.75-arcseconds). My issue is that there are very distinct boundaries between elevation levels and it's causing my aspect calculation to have plateaus.
SRTM Aspect Grid
Canadian DEM Aspect Grid
I'm wondering what I'm doing wrong here or if I'm forgetting something. I'm not sure if I should be smoothing my DEM out or if there's anything the can be done to the Aspect grid to make it continuous.