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I have a bathymetric data set (Float32) and a standard DEM (Int16). I'm struggling to merge them using "Raster>Merge". I've set "nodata" to -9999 using "conversion>translate" this displays the DEM nodata as -3.40282e+35. The final merge retains nodata of one dataset depending on input order rather than selecting the z data from both sets. How can I merge the two.

I need to be able to run a number of sea level height models with changing uplift.

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