222 new ocean and ice parameters in code table 42 discipline 10 1 (#233)

* Update CodeFlag_notes.csv

updating per #222

* Update GRIB2_CodeFlag_4_2_CodeTable_en.csv

updating per #222

* Update GRIB2_CodeFlag_4_5_CodeTable_en.csv

updating per #222

---------

Co-authored-by: Jeff Ator <62722702+jbathegit@users.noreply.github.com>

GRIB2_CodeFlag_4_2_CodeTable_en.csv

@@ -1218,7 +1218,7 @@ Parameter number by product discipline and parameter category,"Product disciplin
 Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",6,,Ice growth rate,,,m/s,Operational
 Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",7,,Ice divergence,,,/s,Operational
 Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",8,,Ice temperature,,,K,Operational
-Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",9,,Module of ice internal pressure,(see Note),57,Pa m,Operational
+Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",9,,Module of ice internal pressure,(see Note 1),57,Pa m,Operational
 Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",10,,Zonal vector component of vertically integrated ice internal pressure,,,Pa m,Operational
 Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",11,,Meridional vector component of vertically integrated ice internal pressure,,,Pa m,Operational
 Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",12,,Compressive ice strength,,,N/m,Operational
@@ -1235,7 +1235,11 @@ Parameter number by product discipline and parameter category,"Product disciplin
 Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",23,,Sea ice fraction tendency due to parameterization,,,s-1,Operational
 Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",24,,x-component of ice drift,,,m s-1,Operational
 Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",25,,y-component of ice drift,,,m s-1,Operational
-Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",26-191,,Reserved,,,,Operational
+Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",26,,Reserved,,,,Operational
+Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",27,,Freezing/melting potential,,,W m-2,Operational
+Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",28,,Melt onset date,"(see Note 2)",144,Numeric,Operational
+Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",29,,Freeze onset date,"(see Note 3)",145,Numeric,Operational
+Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",30-191,,Reserved,,,,Operational
 Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",192-254,,Reserved for local use,,,,Operational
 Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 2: ice",255,,Missing,,,,Operational
 Parameter number by product discipline and parameter category,"Product discipline 10 - Oceanographic products, parameter category 3: surface properties",0,,Water temperature,,,K,Operational

GRIB2_CodeFlag_4_5_CodeTable_en.csv

@@ -72,7 +72,7 @@ Fixed surface types and units,,168,,Ocean model level,,,Numeric,Operational
 Fixed surface types and units,,169,,Ocean level defined by water density (sigma-theta) difference from near-surface to level,(see Note 7),18,kg m-3,Operational
 Fixed surface types and units,,170,,Ocean level defined by water potential temperature difference from near-surface to level,(see Note 7),18,K,Operational
 Fixed surface types and units,,171,,Ocean level defined by vertical eddy diffusivity difference from near-surface to level,(see Note 7),18,m2 s-1,Operational
-Fixed surface types and units,,172,,Reserved,,,,Operational
+Fixed surface types and units,,172,,Ocean level defined by water density (rho) difference from near-surface to level,,,m,Operational
 Fixed surface types and units,,173,,"Top of snow over sea ice on sea, lake or river",,,-,Operational
 Fixed surface types and units,,174,,"Top surface of ice on sea, lake or river",,,-,Operational
 Fixed surface types and units,,175,,"Top surface of ice, under snow cover, on sea, lake or river",,,-,Operational

notes/CodeFlag_notes.csv

@@ -138,3 +138,5 @@ noteID,note
 141,"See Appendix XYZ."
 142,"In the ring ordering scheme, the 12 rhomboids are not considered and the scanning mode applies to the grid in its entirety."
 143,"In the nested ordering scheme, the 12 rhomboids are scanned in order defined in Gorsky et al. 2015. The flag bits then refer to how the points are scanned within a rhomboid."
+144,"This is the Julian day of the year that surface melt begins."
+145,"This is the Julian day of the year that surface freeze begins."