| 15 | C     SItrHEFF   - history of HEFF evolution during seaice_growth | C     SItrHEFF   - history of HEFF evolution during seaice_growth | 
| 16 | C     SItrAREA   - history of AREA evolution during seaice_growth | C     SItrAREA   - history of AREA evolution during seaice_growth | 
| 17 | C | C | 
|  | C     IceAgeTr(1) - effective sea ice age |  | 
|  | C             at center of grid, i.e., tracer point |  | 
|  | C             ==> for non-zero AREA, units of ICEAGEAREA are seconds |  | 
|  | C                 and actual ice age is ICEAGEAREA / AREA seconds |  | 
|  | C     IceAgeTr(2) - effective sea ice age |  | 
|  | C             at center of grid, i.e., tracer point |  | 
|  | C             ==> for non-zero HEFF, |  | 
|  | C                 units of ICEAGEVOL are seconds * meters |  | 
|  | C                 and actual ice age is ICEAGEVOL / HEFF seconds |  | 
|  | C     IceAgeTr(3), IceAgeTr(4) - effective sea ice age |  | 
|  | C             t.b.d. (poor-man s multi-category) |  | 
| 18 | C \ev | C \ev | 
| 19 | CEOP | CEOP | 
| 20 |  |  | 
| 25 | _RL SItrBucket (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,SItrMaxNum) | _RL SItrBucket (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,SItrMaxNum) | 
| 26 | _RL SItrHEFF (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,5) | _RL SItrHEFF (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,5) | 
| 27 | _RL SItrAREA (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,3) | _RL SItrAREA (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,3) | 
|  | #endif |  | 
|  |  |  | 
|  | #ifdef SEAICE_AGE |  | 
|  | COMMON/SEAICE_AGE_R/IceAgeTr |  | 
|  | _RL IceAgeTr   (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,SEAICE_num) |  | 
|  | #endif |  | 
| 28 |  |  | 
| 29 | #if (defined SEAICE_AGE)||(defined ALLOW_SITRACER) | C     SItrFile        - File containing initial sea ice tracer | 
|  | C     IceAgeTrFile    - File containing initial sea ice age |  | 
| 30 | C     SItrName        - tracer name ('salinity', 'age', 'one', etc.) | C     SItrName        - tracer name ('salinity', 'age', 'one', etc.) | 
| 31 | C     SItrNameLong    - tracer long name | C     SItrNameLong    - tracer long name | 
| 32 | C     SItrUnit        - tracer unit ('psu','s','kg/kg', etc.) | C     SItrUnit        - tracer unit ('psu','s','kg/kg', etc.) | 
| 33 | C     SItrMate        - variable to which the tracer is associated ('HEFF','AREA',etc.) | C     SItrMate        - variable to which the tracer is associated ('HEFF','AREA',etc.) | 
| 34 | CHARACTER*(MAX_LEN_FNAM) IceAgeTrFile(SEAICE_num) | CHARACTER*(MAX_LEN_FNAM) SItrFile(SItrMaxNum) | 
| 35 | CHARACTER*(MAX_LEN_FNAM) SItrName(SItrMaxNum) | CHARACTER*(MAX_LEN_FNAM) SItrName(SItrMaxNum) | 
| 36 | CHARACTER*(MAX_LEN_FNAM) SItrNameLong(SItrMaxNum) | CHARACTER*(MAX_LEN_FNAM) SItrNameLong(SItrMaxNum) | 
| 37 | CHARACTER*(MAX_LEN_FNAM) SItrUnit(SItrMaxNum) | CHARACTER*(MAX_LEN_FNAM) SItrUnit(SItrMaxNum) | 
| 38 | CHARACTER*(4) SItrMate(SItrMaxNum) | CHARACTER*(4) SItrMate(SItrMaxNum) | 
| 39 | COMMON /SEAICE_AGE_C/ IceAgeTrFile, SItrName, SItrMate, | COMMON /SEAICE_SITR_C/ SItrFile, SItrName, SItrMate, | 
| 40 | &  SItrNameLong, SItrUnit | &  SItrNameLong, SItrUnit | 
| 41 | #endif | #endif | 
| 42 |  |  |