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MARS
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To select a specific method for the interpolation of gridded fields.
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Valid values to specify the interpolation method are listed in the table below:
Value | Description |
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linear | Linear interpolation, based on a triangular mesh. This is the default behaviour. |
bilinear | Bilinear interpolation. Results |
nearest neighbour | Choosing the nearest grid point. |
nearest lsm | Choosing the nearest grid point in the target grid which has the same lsm properties as the input location |
When interpolating the land-sea mask field, fractional values greater than or equal to 0 and less than or equal to 1 are returned. Users should regard land-sea mask values greater than or equal to 0.5 as representing land points and those less than 0.5 as representing sea points.
For other keywords controlling the interpolation see the diagram below.
Examples:
Dissemination
As for MARS, except all interpolation will be done with the default setting, i.e. linear.
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