Merge Pull Request #2809 from E3SM-Project/scream/bogensch/DPxx_nudge…

…_namelist

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PR Title: Bring more DPxx options out to namelist (nudging related)
PR Author: bogensch
PR LABELS: BFB, AT: AUTOMERGE, SCREAMv1, namelist, DP-SCREAM

components/eamxx/cime_config/namelist_defaults_scream.xml

@@ -554,6 +554,8 @@ be lost if SCREAM_HACK_XML is not enabled.
     <iop_srf_prop COMPSET=".*DYCOMSrf01">true</iop_srf_prop>
     <iop_nudge_uv type="logical" doc="Nudge winds to those in the IOP file.">false</iop_nudge_uv>
     <iop_nudge_tq type="logical" doc="Nudge thermodynamics to those in the IOP file.">false</iop_nudge_tq>
+    <iop_nudge_tq_low type="real" doc="Lowest layer to apply nudging for t and q (pressure in hPa).">1100</iop_nudge_tq_low>
+    <iop_nudge_tq_high type="real" doc="Highest layer to apply nudging for t and q (pressure in hPa).">0</iop_nudge_tq_high>
     <iop_nudge_tscale type="real" doc="Time scale to nudge thermodynamics or winds to.">10800</iop_nudge_tscale>
     <iop_coriolis type="logical" doc="Apply coriolis forcing to winds based on large scale winds in IOP file.">false</iop_coriolis>
   </iop_options>