The following table lists all the environment variables set in the env_case.xml file. These variables cannot be modified.
Table D-1. env_case.xml variables
| Name | Type | Default | Description [Valid Values] |
|---|---|---|---|
| ATM_GRID | char | UNSET | atmosphere grid |
| ATM_NX | integer | 0 | number of atmosphere cells in i direction |
| ATM_NY | integer | 0 | Number of atmosphere cells in j direction |
| BLDROOT | char | $CCSMROOT/scripts/ccsm_utils/Build | CCSM source scripts build directory location |
| CASE | char | UNSET | case name |
| CASEBUILD | char | $CASEROOT/Buildconf | Buildconf directory location |
| CASEROOT | char | UNSET | full path of case |
| CASETOOLS | char | $CASEROOT/Tools | Case Tools directory location |
| CCSMROOT | char | UNSET | ccsm source root directory |
| CCSMUSER | char | UNSET | case user name |
| CCSM_CCOST | integer | 0 | 2**n relative cost of compset B is 1 (DO NOT EDIT) |
| CCSM_COMPSET | char | UNSET | CCSM component set |
| CCSM_GCOST | integer | 0 | 2**n relative cost of grid f19_g15 is 1 (DO NOT EDIT) |
| CCSM_LCOMPSET | char | UNSET | CCSM component set, longname |
| CCSM_MCOST | integer | 0 | 2**n relative cost of machine (DO NOT EDIT) |
| CCSM_SCOMPSET | char | UNSET | CCSM component set, shortname |
| CODEROOT | char | $CCSMROOT/models | CCSM source models directory location |
| COMP_ATM | char | cam | Name of atmospheric component [cam,datm,xatm,satm] |
| COMP_CPL | char | cpl | Name of coupling component [cpl] |
| COMP_GLC | char | sglc | Name of land ice component [xglc,sglc,gglc] |
| COMP_ICE | char | cice | Name of sea ice component [cice,dice,xice,sice] |
| COMP_LND | char | clm | Name of land component [clm,dlnd,xlnd,slnd] |
| COMP_OCN | char | pop2 | Name of ocean component [pop2,docn,xocn,socn,camdom] |
| GLC_GRID | char | UNSET | glc grid (must equal lnd grid) |
| GLC_NX | integer | 0 | number of glc cells in i direction |
| GLC_NY | integer | 0 | number of glc cells in j direction |
| GRID | char | UNSET | CCSM grid |
| ICE_GRID | char | UNSET | ice grid (must equal ocn grid) |
| ICE_NX | integer | 0 | number of ice cells in i direction |
| ICE_NY | integer | 0 | number of ice cells in j direction |
| LND_GRID | char | UNSET | land grid |
| LND_NX | integer | 0 | Number of land cells in i direction |
| LND_NY | integer | 0 | number of land cells in j direction |
| MACH | char | UNSET | current machine name |
| OCN_GRID | char | UNSET | ocn grid |
| OCN_NX | integer | 0 | number of ocn cells in i direction |
| OCN_NY | integer | 0 | number of ocn cells in j direction |
| OS | char | UNSET | operating system |
| PTS_MODE | logical | FALSE | Points mode logical for single point [TRUE,FALSE] |
| SCRIPTSROOT | char | $CCSMROOT/scripts | CCSM source scripts directory location |
| SHAREROOT | char | $CCSMROOT/models/csm_share | CCSM source models share code location |
| UTILROOT | char | $CCSMROOT/scripts/ccsm_utils | CCSM source scripts utils directory location |
| XMLMODE | char | normal | xml format option, expert removes extra comments from env xml files [normal,expert] |