td><td>   mpp_io flag for threading (optional).  "MPP_SINGLE" means root pe reads global field and distributes to other PEs
   "MPP_MULTI" means all PEs read data <br>&nbsp;&nbsp;&nbsp;<span class="type">[integer]</span></td>
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<td valign="top" align="left"><tt>domain&nbsp;&nbsp;&nbsp;</tt></td><td>   domain flag (optional) <br>&nbsp;&nbsp;&nbsp;<span class="type">[mpp_domains_mod:domain2d]</span></td>
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<td valign="top" align="left"><tt>desired_units&nbsp;&nbsp;&nbsp;</tt></td><td>   Targ