Initialise 2D netCDf variables

INTERFACE:

    subroutine init_2d_ncdf(fn,title,starttime)

DESCRIPTION:

USES:

    use netcdf
    use exceptions
    use ncdf_common
    use ncdf_2d
    use domain, only: imin,imax,jmin,jmax
    use domain, only: ioff,joff
    use meteo,  only: metforcing,calc_met
    use meteo,  only: fwf_method
    use m2d,    only: residual
    use getm_version
    IMPLICIT NONE

INPUT PARAMETERS:

    character(len=*), intent(in)        :: fn,title,starttime

DEFINED PARAMETERS:

    logical,    parameter               :: init3d=.false.

REVISION HISTORY:

LOCAL VARIABLES:

    integer                   :: err
    integer                   :: scalar(1),f2_dims(2),f3_dims(3)
    REALTYPE                  :: fv,mv,vr(2)
    character(len=80)         :: history,ts