Rasterisation

The idea of rasterisation is to convert a vector map into a raster map. The reason that we convert all the vector maps into raster maps is that raster maps allow  simplistic computation.

Masking

As all the maps are done in State-wide scale, we have to mask out the areas that are not relevant. Let us look at our masking area.

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Salinity data process

The data that we obtained from DNRE are yearly data.
The data was being summarized by averaging the data by every 5 years and every 10 years.  And then salinity surface was interpolated using these values. Here is the example.