extract_accum_field_sl

INTERFACE:

   subroutine extract_accum_field_sl (name, field, nstep)

DESCRIPTION:

Extract single-level accumulated field. This routine extracts the field values from the multi-level accumulation field. It extracts the current value except if the field type is a time average. In this case, an absurd value is assigned to indicate the time average is not yet valid.

USES:

     use clm_varcon, only : spval

ARGUMENTS:

     implicit none
     character(len=*), intent(in) :: name     !field name
     real(r8), pointer, dimension(:) :: field !field values for current time step
     integer , intent(in) :: nstep            !timestep index

REVISION HISTORY:

   Created by Sam Levis
   Updated to clm2.1 data structures by Mariana Vertenstein
   Updated to include all subgrid type and multilevel fields, Mariana Vertenstein 03-2003

LOCAL VARIABLES: