4.2. Specifications
Three different ways of representing coastal features and two
different ways of representing the landscape are examined in
six specifications. In the first two coastal specifications, the
coastal features, length of open coast, length of cliffs and
length of dikes in each district are expressed as a percentage of
the total coastal length of the district. Specification C1 contains
the variables OPENSH and CLIFFSH, which represent the
natural features of the coast. Specification C2 contains the
variable DIKESH representing the man-made structures at the coast. The third specification C3 contains all of the coastal
variables expressed as absolute values (OPENTOT, CLIFFTOT
and DIKETOT).