Name

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  MGH_ADJACENT

Purpose

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  Given a 2D array defining a land-sea mask (sea=true; land=false), return
  an array of the same shape marked with 1s on all the sea cells that are
  adjacent to the land.
 
  NB: Here "adjacent" means sharing a side with a land cell, not just sharing
      a corner.

Positional Parameters

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  data (input, 2D array)
    The input array, any data type that can be interpreted as true/false.

Return Value

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  The function returns a byte array of the same dimensions as the input.

Modification History

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  Mark Hadfield, 2014-06:
    Written for use in MDC13301_ROMS_FRC_LOAD_SWFLUX.