Physioclimatic clusters of Austria

physioclimatic_features_grid_AT_average_1992-2021.nc

A netcdf dataset on a 1 km grid covering Austria and it's associated catchment areas. The spatial dimensions are 329 by 584 gridpoints in the projection ETRS89 / Austria Lambert (EPSG:3416). The data consist of 176 different climatological and geomorphometric indices, which are calculated for each gridpoint and then averaged across the climatological normal 01-01-1992 to 31-12-2021. The basis variables from which indices are calculated are elevation, temperature, precipitation, reference evapotranspiration, sunshine duration, snow height and snow water equivalent.

physioclimatic_clusters_raster_AT.tif

A GeoTiff file of derived physioclimatic subregions comprising 7 characteristic clusters and one noise class, which are the main regionalisation results of the paper below.

physioclimatic_clusters_vector_AT.gpkg

A GeoPackage consisting of vectorized features of type multipolygon comprising spatially filtered physioclimatic regions based on the gridded output clusters. Note that the small valley clusters have been filtered out and the remaining larger clusters have been spatially joined in order to derive simple multipolygons. This derived, spatially filtered set of clusters can be used for less granular applications compared to the above fine-grained cluster output.

base_variables.nc

Base Variables mean Temperature, Precipitation and slope, used to evaluate the clustering output.

principal_components_dim20.nc

First 20 principal components of the full feature space, used as direct input for UMAP/HDBSCAN and k-means and to evaluate the clustering output.

Please refer to the GitHub repository for further details. The peer-reviewed, open access paper can be found here: https://doi.org/10.1016/j.envsoft.2025.106324.