Merge pull request #2 from aerorahul/patch/pr2385

Add co2 data location for reforecast case.  Issue NOAA-EMC#2403

ush/forecast_postdet.sh

@@ -251,8 +251,15 @@ EOF
 
   ${NLN} "${FIXgfs}/am/global_co2historicaldata_glob.txt" "${DATA}/co2historicaldata_glob.txt"
   ${NLN} "${FIXgfs}/am/co2monthlycyc.txt"                 "${DATA}/co2monthlycyc.txt"
-  if [[ ${ICO2} -gt 0 ]]; then
-    for file in $(ls "${FIXgfs}/am/fix_co2_proj/global_co2historicaldata"*) ; do
+  # Set historical CO2 values based on whether this is a reforecast run or not
+  # Ref. issue 2403
+  local co2dir
+  co2dir="fix_co2_proj"
+  if [[ ${reforecast:-"NO"} == "YES" ]]; then
+    co2dir="co2dat_4a"
+  fi
+  if (( ICO2 > 0 )); then
+    for file in $(ls "${FIXgfs}/am/${co2dir}/global_co2historicaldata"*) ; do
       ${NLN} "${file}" "${DATA}/$(basename "${file//global_}")"
     done
   fi
@@ -696,12 +703,12 @@ MOM6_postdet() {
   fi
 
   # GEFS perturbations
-  # TODO if [[ $RUN} == "gefs" ]] block maybe be needed 
+  # TODO if [[ $RUN} == "gefs" ]] block maybe be needed
   #     to ensure it does not interfere with the GFS
   if (( MEMBER > 0 )) && [[ "${ODA_INCUPD:-False}" == "True" ]]; then
      ${NLN} "${COM_OCEAN_RESTART_PREV}/${sPDY}.${scyc}0000.mom6_increment.nc" "${DATA}/INPUT/mom6_increment.nc"
   fi
-  
+
   # Copy MOM6 fixed files
   ${NCP} "${FIXgfs}/mom6/${OCNRES}/"* "${DATA}/INPUT/"  # TODO: These need to be explicit
 
@@ -716,7 +723,7 @@ MOM6_postdet() {
 
   # If using stochatic parameterizations, create a seed that does not exceed the
   # largest signed integer
-  if [[ ${DO_OCN_SPPT} = "YES" ]]; then 
+  if [[ ${DO_OCN_SPPT} = "YES" ]]; then
     ISEED_OCNSPPT=$((current_cycle*10000 + ${MEMBER#0}*100 + 8)),$((current_cycle*10000 + ${MEMBER#0}*100 + 9)),$((current_cycle*10000 + ${MEMBER#0}*100 + 10)),$((current_cycle*10000 + ${MEMBER#0}*100 + 11)),$((current_cycle*10000 + ${MEMBER#0}*100 + 12))
   fi
   if [[ ${DO_OCN_PERT_EPBL} = "YES" ]]; then