diff --git a/tests/parm/ice_in.IN b/tests/parm/ice_in.IN
index 94694df61f..aeb7f2ff1e 100644
--- a/tests/parm/ice_in.IN
+++ b/tests/parm/ice_in.IN
@@ -225,32 +225,32 @@
     f_hi           = 'mdh1x'
     f_hs           = 'mdh1x'
     f_Tsfc         = 'mdh1x'
-    f_sice         = 'mdhxx'
-    f_uvel         = 'mdhxx'
-    f_vvel         = 'mdhxx'
-    f_uatm         = 'mdhxx'
-    f_vatm         = 'mdhxx'
-    f_fswdn        = 'mdhxx'
-    f_flwdn        = 'mdhxx'
+    f_sice         = 'mdh1x'
+    f_uvel         = 'mdh1x'
+    f_vvel         = 'mdh1x'
+    f_uatm         = 'mdh1x'
+    f_vatm         = 'mdh1x'
+    f_fswdn        = 'mdh1x'
+    f_flwdn        = 'mdh1x'
     f_snowfrac     = 'x'
-    f_snow         = 'mdhxx'
+    f_snow         = 'mdh1x'
     f_snow_ai      = 'x'
-    f_rain         = 'mdhxx'
+    f_rain         = 'mdh1x'
     f_rain_ai      = 'x'
-    f_sst          = 'mdhxx'
-    f_sss          = 'mdhxx'
-    f_uocn         = 'mdhxx'
-    f_vocn         = 'mdhxx'
-    f_frzmlt       = 'mdhxx'
-    f_fswfac       = 'mdhxx'
+    f_sst          = 'mdh1x'
+    f_sss          = 'mdh1x'
+    f_uocn         = 'mdh1x'
+    f_vocn         = 'mdh1x'
+    f_frzmlt       = 'mdh1x'
+    f_fswfac       = 'mdh1x'
     f_fswint_ai    = 'x'
-    f_fswabs       = 'mdhxx'
+    f_fswabs       = 'mdh1x'
     f_fswabs_ai    = 'x'
-    f_albsni       = 'mdhxx'
-    f_alvdr        = 'mdhxx'
-    f_alidr        = 'mdhxx'
-    f_alvdf        = 'mdhxx'
-    f_alidf        = 'mdhxx'
+    f_albsni       = 'mdh1x'
+    f_alvdr        = 'mdh1x'
+    f_alidr        = 'mdh1x'
+    f_alvdf        = 'mdh1x'
+    f_alidf        = 'mdh1x'
     f_alvdr_ai     = 'x'
     f_alidr_ai     = 'x'
     f_alvdf_ai     = 'x'
@@ -259,64 +259,64 @@
     f_albsno       = 'x'
     f_albpnd       = 'x'
     f_coszen       = 'x'
-    f_flat         = 'mdhxx'
+    f_flat         = 'mdh1x'
     f_flat_ai      = 'x'
-    f_fsens        = 'mdhxx'
+    f_fsens        = 'mdh1x'
     f_fsens_ai     = 'x'
     f_fswup        = 'x'
-    f_flwup        = 'mdhxx'
+    f_flwup        = 'mdh1x'
     f_flwup_ai     = 'x'
-    f_evap         = 'mdhxx'
+    f_evap         = 'mdh1x'
     f_evap_ai      = 'x'
-    f_Tair         = 'mdhxx'
-    f_Tref         = 'mdhxx'
-    f_Qref         = 'mdhxx'
-    f_congel       = 'mdhxx'
-    f_frazil       = 'mdhxx'
-    f_snoice       = 'mdhxx'
-    f_dsnow        = 'mdhxx'
-    f_melts        = 'mdhxx'
-    f_meltt        = 'mdhxx'
-    f_meltb        = 'mdhxx'
-    f_meltl        = 'mdhxx'
-    f_fresh        = 'mdhxx'
+    f_Tair         = 'mdh1x'
+    f_Tref         = 'mdh1x'
+    f_Qref         = 'mdh1x'
+    f_congel       = 'mdh1x'
+    f_frazil       = 'mdh1x'
+    f_snoice       = 'mdh1x'
+    f_dsnow        = 'mdh1x'
+    f_melts        = 'mdh1x'
+    f_meltt        = 'mdh1x'
+    f_meltb        = 'mdh1x'
+    f_meltl        = 'mdh1x'
+    f_fresh        = 'mdh1x'
     f_fresh_ai     = 'x'
-    f_fsalt        = 'mdhxx'
+    f_fsalt        = 'mdh1x'
     f_fsalt_ai     = 'x'
-    f_fbot         = 'mdhxx'
-    f_fhocn        = 'mdhxx'
+    f_fbot         = 'mdh1x'
+    f_fhocn        = 'mdh1x'
     f_fhocn_ai     = 'x'
     f_fswthru      = 'x'
     f_fswthru_ai   = 'x'
     f_fsurf_ai     = 'x'
     f_fcondtop_ai  = 'x'
     f_fmeltt_ai    = 'x'
-    f_strairx      = 'mdhxx'
-    f_strairy      = 'mdhxx'
+    f_strairx      = 'mdh1x'
+    f_strairy      = 'mdh1x'
     f_strtltx      = 'x'
     f_strtlty      = 'x'
     f_strcorx      = 'x'
     f_strcory      = 'x'
-    f_strocnx      = 'mdhxx'
-    f_strocny      = 'mdhxx'
+    f_strocnx      = 'mdh1x'
+    f_strocny      = 'mdh1x'
     f_strintx      = 'x'
     f_strinty      = 'x'
     f_taubx        = 'x'
     f_tauby        = 'x'
     f_strength     = 'x'
-    f_divu         = 'mdhxx'
-    f_shear        = 'mdhxx'
+    f_divu         = 'mdh1x'
+    f_shear        = 'mdh1x'
     f_sig1         = 'x'
     f_sig2         = 'x'
     f_sigP         = 'x'
-    f_dvidtt       = 'mdhxx'
-    f_dvidtd       = 'mdhxx'
-    f_daidtt       = 'mdhxx'
-    f_daidtd       = 'mdhxx'
+    f_dvidtt       = 'mdh1x'
+    f_dvidtd       = 'mdh1x'
+    f_daidtt       = 'mdh1x'
+    f_daidtd       = 'mdh1x'
     f_dagedtt      = 'x'
     f_dagedtd      = 'x'
-    f_mlt_onset    = 'mdhxx'
-    f_frz_onset    = 'mdhxx'
+    f_mlt_onset    = 'mdh1x'
+    f_frz_onset    = 'mdh1x'
     f_hisnap       = 'x'
     f_aisnap       = 'x'
     f_trsig        = 'x'
@@ -336,9 +336,9 @@
     f_fmelttn_ai   = 'x'
     f_flatn_ai     = 'x'
     f_fsensn_ai     = 'x'
-    f_sitempsnic    = 'mdhxx'
-    f_sitemptop     = 'mdhxx'
-    f_sitempbot     = 'mdhxx'
+    f_sitempsnic    = 'mdh1x'
+    f_sitemptop     = 'mdh1x'
+    f_sitempbot     = 'mdh1x'
 /
 
 &icefields_mechred_nml
@@ -367,10 +367,10 @@
     f_apondn       = 'x'
     f_apeffn       = 'x'
     f_hpondn       = 'x'
-    f_apond        = 'mdhxx'
-    f_hpond        = 'mdhxx'
-    f_ipond        = 'mdhxx'
-    f_apeff        = 'mdhxx'
+    f_apond        = 'mdh1x'
+    f_hpond        = 'mdh1x'
+    f_ipond        = 'mdh1x'
+    f_apeff        = 'mdh1x'
     f_apond_ai     = 'x'
     f_hpond_ai     = 'x'
     f_ipond_ai     = 'x'