Why convert NC to GEOTIFF?
GeoTIFF is the standard interchange format for georeferenced raster data in GIS workflows. Exporting a netCDF climate, elevation, or oceanographic variable to GeoTIFF lets you open it in ArcGIS, use it as a raster layer in QGIS projects, or hand it off to colleagues who work in standard GIS tools without a netCDF-aware environment.
How to convert NC to GEOTIFF
QGIS FREE
Add the .nc file as a raster layer via Layer > Add Raster Layer, select the variable and time step, then right-click the layer and choose Export > Save As, setting format to GeoTIFF.
GDAL (gdal_translate) OPEN-SOURCE
Run gdalinfo NETCDF:yourfile.nc to list available variables, then run gdal_translate -of GTiff NETCDF:yourfile.nc:variable_name output.tif to export the chosen variable.
About these formats
.NC
netCDF (Network Common Data Form)
An .nc file is a netCDF (Network Common Data Form) file - a binary format for multidimensional scientific data such as climate, weather, and ocean datasets from NOAA, NASA, and Copernicus.…
Open .NC details →A .GEOTIFF file is a data file used by specific software.
Open .GEOTIFF details →Quality & what to watch
- You export one variable at a time - choose the variable and dimension slice (time step, depth level) before exporting, as GeoTIFF is a 2D raster format.
- The export only works cleanly when the
.ncfile has proper coordinate attributes following CF Conventions; files from NOAA, NASA, and Copernicus typically do. - GDAL is installed automatically with QGIS; it is also available via
conda install gdalor your Linux package manager.
