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Adaptations to high resoultion configration

remove the topo refinement

Remove the redundant refinement since the resolution now can reflect the correct topo (ie: opened channel in Taiwan strait).

Also, convert water less than 2 layers deep to land by shallower criteria:

In $preroot/src/presolver.F90, subroutine solvergen

   
      if (lhires) then 
          tmp1=.01*(z(3)+z(5))/2. 
      else 
          tmp1=.01*(z(5)+z(7))/2. 
      endif 
      do 25 j=2,j1 
      do 25 i=2,i1 
25   if (rmets(i,j).lt.tmp1) rmets(i,j)=0.