config_component.xml

<?xml version="1.0"?>

<entry_id version="3.0">

  <description modifier_mode="*">
  <!--
    ===============
      CAM
    ===============
   -->
    <desc atm="CAM70[%LT][%MT][%WA][%WX][%CSO][%CT0MA][%CT1S1][%CT1S2][%CT1MA][%CT4MA][%CT4S2][%CT4WA][%PORT]"                                                                                                                                                                                                                                                                                             >CAM cam7 physics:</desc>
    <desc atm="CAM60[%1PCT][%4xCO2][%CARMATS][%CARMAWM][%CSLH][%CT1S1][%CT2S1][%CFIRE][%CVBSX][%NUDG][%PORT][%SCAM][%SDYN][%WCCM][%WCMD][%WCSC][%WCTS][%WSLH][%WXIE][%WXIED][%HEMCO][%GEOSCHEM][%SCAMARM95][%SCAMARM97][%SCAMATEX][%SCAMBOMEX][%SCAMCGILSS11][%SCAMCGILSS12][%SCAMCGILSS6][%SCAMDYCOMSRF01][%SCAMDYCOMSRF02][%SCAMGATE3][%SCAMMPACE][%SCAMRICO][%SCAMSPARTICUS][%SCAMTOGA2][%SCAMTWP06][%SCAMCAMFRC]" >CAM cam6 physics:</desc>
    <desc atm="CAM50[%CT1S1][%PORT][%SCAM][%SDYN][%WCSC][%WCTS][%SCAMARM95][%SCAMARM97][%SCAMATEX][%SCAMBOMEX][%SCAMCGILSS11][%SCAMCGILSS12][%SCAMCGILSS6][%SCAMDYCOMSRF01][%SCAMDYCOMSRF02][%SCAMGATE3][%SCAMMPACE][%SCAMRICO][%SCAMSPARTICUS][%SCAMTOGA2][%SCAMTWP06][%SCAMCAMFRC]"                                                                                 >CAM cam5 physics:</desc>
    <desc atm="CAM40[%PORT][%SCAM][%SDYN][%TMOZ][%WX][%WXIE][%WXIED][%WCCM][%WCMD][%SCAMARM95][%SCAMARM97][%SCAMATEX][%SCAMBOMEX][%SCAMCGILSS11][%SCAMCGILSS12][%SCAMCGILSS6][%SCAMDYCOMSRF01][%SCAMDYCOMSRF02][%SCAMGATE3][%SCAMMPACE][%SCAMRICO][%SCAMSPARTICUS][%SCAMTOGA2][%SCAMTWP06][%SCAMCAMFRC]"                                                                          >CAM cam4 physics:</desc>
    <desc atm="CAM[%ADIAB][%TJ16][%GRAYRAD][%HS94][%KESSLER]"  >CAM simplified and non-versioned physics :</desc>

  <!--
    ===============
     CAM and WACCM Options
    ===============
   -->
    <desc option="4xCO2"        >abrupt quadrupling of CO2 with other forcings maintained at 1850 piControl levels (CMIP6 DECK abrupt4xCO2 experiment) :</desc>
    <desc option="1PCT"         >ramped CO2 increasing by 1% per year with other forcings maintained at 1850 piControl levels (CMIP6 DECK 1pctCO2 experiment) :</desc>

  <!--
    ===============
     SINGLE COLUMN CAM
    ===============
   -->
    <desc atm="CAM60%SCAM">CAM stand-alone single column mode -- user defined IOP settings can be placed under the usermods scam_user directory:</desc>
    <desc atm="[%SDYN]">CAM specified dynamics is used in finite volume dynamical core:</desc>
    <desc atm="[%NUDG]">CAM physics is nudged towards prescribed meteorology:</desc>
  <!--
    ===============
     CAM Options
    ===============
   -->
    <desc option="CT0MA"        >WACCM middle atmosphere chemistiry with T0 troposphere chemistry:</desc>
    <desc option="CT1S1"        >CAM-Chem troposphere/stratosphere chemistry with simplified VBS-SOA:</desc>
    <desc option="CT1S2"        >CAM-Chem troposphere/stratosphere chemistry with simplified VBS-SOA including chemical heating:</desc>
    <desc option="CT1MA"        >WACCM middle atmosphere chemistiry with T1 troposphere chemistry:</desc>
    <desc option="CT4S2"        >CAM-Chem troposphere/stratosphere simplified chemistry for climate simulations including chemical heating:</desc>
    <desc option="CT4MA"        >WACCM middle atmosphere chemistiry with T4 troposphere chemistry:</desc>
    <desc option="CT2S1"        >CAM-Chem troposphere/stratosphere chemistry with simplified VBS-SOA and expanded isoprene and terpene oxidation:</desc>
    <desc option="CSLH"         >CAM-Chem troposphere/stratosphere chemistry with short-lived halogens:</desc>
    <desc option="CSO"          >Specified oxidants chemistiry </desc>
    <desc option="GEOSCHEM"     >GEOS-Chem troposphere/stratosphere chemistry :</desc>
    <desc option="CFIRE"        >CAM-Chem troposphere/stratosphere chem with simplified volatility basis set SOA scheme and fire emissons :</desc>
    <desc option="CVBSX"        >CAM-Chem troposphere/stratosphere chem with extended volatility basis set SOA scheme and modal aersols :</desc>
    <desc option="LT"           >CAM low top model </desc>
    <desc option="WA"           >WACCM model </desc>
    <desc option="WSLH"         >WACCM model with TSMLT chemistry and short-lived halogens:</desc>
    <desc option="WX"           >WACCMX extended model </desc>
    <desc option="MT"           >CAM mid top model </desc>
    <desc option="TMOZ"         >CAM tropospheric chemistry with bulk aerosols:</desc>

  <!--
    ===============
     HEMCO Options
    ===============
  -->
    <desc option="HEMCO"        >With Harmonized Emissions Component (HEMCO) for chemistry:</desc>

  <!--
    ===============
     WACCM Options
    ===============
   -->
    <desc option="WCCM"         >WACCM with middle atmosphere chemistry:</desc>
    <desc option="WCMD"         >WACCM with middle atmosphere chemistry with enhanced D-region ion chemistry:</desc>
    <desc option="WXIE"         >WACCM-X enhanced ionosphere, transport, and electrodynamics:</desc>
    <desc option="WXIED"        >WACCM-X enhanced ionosphere, transport, and electrodynamics with D-region ion chemistry:</desc>
    <desc option="WCSC"         >WACCM specified chemistry:</desc>
    <desc option="WCTS"         >WACCM with tropospheric, stratospheric, mesospheric, and lower thermospheric chemistry:</desc>

  <!--
    ===============
     SIMPLE MODELS Options
    ===============
   -->
    <desc option="ADIAB"        >CAM dry adiabatic configurarion (no physics forcing):</desc>
    <desc option="TJ16"         >CAM moist Held-Suarez forcing (Thatcher and Jablonowski, 2016):</desc>
    <desc option="GRAYRAD"      >CAM moist simple model (Frierson, 2006):</desc>
    <desc option="HS94"         >CAM dry Held-Suarez forcing (Held and Suarez (1994)):</desc>
    <desc option="KESSLER"      >CAM moist dynamical core test with Ullrich et al. (2014) baroclinic wave IC, Kessler physics and terminator chemistry:</desc>

  <!--
    ===============
     PORT
    ===============
   -->
    <desc option="PORT"         >CAM Parallel Offline Radiation Tool:</desc>
  </description>

  <entry id="COMP_ATM">
    <type>char</type>
    <valid_values>cam</valid_values>
    <default_value>cam</default_value>
    <group>case_comp</group>
    <file>env_case.xml</file>
    <desc>Name of atmospheric component</desc>
  </entry>

  <entry id="CAM_CPPDEFS">
    <type>char</type>
    <valid_values></valid_values>
    <default_value>UNSET</default_value>
    <group>build_component_cam</group>
    <file>env_build.xml</file>
    <desc>CAM cpp definitions (setup automatically - DO NOT EDIT)</desc>
  </entry>

  <entry id="CAM_DYCORE">
    <type>char</type>
    <valid_values>fv,fv3,se,mpas</valid_values>
    <default_value>fv</default_value>
    <values match="last">
      <value grid="a%ne[0-9]">se</value>
      <value grid="a%C[0-9]" >fv3</value>
      <value grid="a%mpasa[0-9]">mpas</value>
    </values>
    <group>build_component_cam</group>
    <file>env_build.xml</file>
    <desc>CAM dynamical core</desc>
  </entry>

  <entry id="CAM_CONFIG_OPTS">
    <type>char</type>
    <valid_values></valid_values>
    <default_value></default_value>
    <values match="last" modifier='additive'>
      <value compset="_CAM40">-phys cam4</value>
      <value compset="_CAM50">-phys cam5</value>
      <value compset="_CAM60">-phys cam6</value>
      <value compset="_CAM70">-phys cam7</value>

      <!-- Modifiers for CAM runs (%.* includes SCAM runs) -->
      <value compset="_CAM.*(%CT1S1|%CFIRE)">-chem trop_strat_mam5_t1s1</value>
      <value compset="_CAM.*%CT1S2">-chem trop_strat_mam5_t1s2 -waccm_phys</value>
      <value compset="_CAM60.*%(GEOSCHEM)">-chem geoschem_mam4</value>
      <value compset="_CAM60%CSLH">-chem trop_strat_mam5_slh</value>
      <value compset="_CAM60%WSLH">-chem waccm_tsmlt_mam5_slh</value>

      <value compset="CAM60%CARMATS">-chem trop_strat_noaero -carma trop_strat_soa5</value>
      <value compset="CAM60%CARMAWM">-chem waccm_ma_noaero -carma trop_strat_soa1</value>
      <value compset="CAM60%CVBSX">-chem trop_strat_mam5_vbsext</value>
      <value compset="CAM60%CT2S1">-chem trop_strat_mam5_t2s1</value>
      <value compset="CAM.*%CT4S2">-chem trop_strat_mam5_t4s2 -waccm_phys</value>
      <value compset="CAM.*%CSO">-chem ghg_mam4</value>
      <value compset="CAM.*WA%CSO">-chem waccm_sc_mam4</value>
      <value compset="CAM.*%CT0MA">-chem waccm_ma_mam5</value>
      <value compset="CAM.*%CT1MA">-chem waccm_tsmlt_mam5</value>
      <value compset="CAM.*%CT4MA">-chem waccm_t4ma_mam5</value>
      <value compset="_CAM40%TMOZ">-chem trop_mozart</value>

      <value compset="_CAM.*_BGC%B">-co2_cycle</value>

      <!-- Match against "%WC" to set defaults for all WACCM cases. -->
      <!-- Later settings of "-chem" take precedence over earlier ones. -->
      <value compset="_CAM40%WCCM">-chem waccm_ma</value>
      <value compset="_(CAM50|CAM60)%WCCM">-chem waccm_ma_mam5</value>
      <value compset="_(CAM50|CAM60)%WCMD">-chem waccm_mad_mam5</value>
      <value compset="_(CAM50|CAM60)%WCSC">-chem waccm_sc_mam4</value>
      <value compset="_(CAM50|CAM60)%WCTS(_|%SDYN)">-chem waccm_tsmlt_mam5</value>
      <value compset="_CAM40%WCMD">-chem waccm_mad</value>
      <value compset="_CAM\d0%WXIE">-waccmx -ionosphere wxie</value>
      <value compset="_CAM70%WX">-waccmx -ionosphere wxie</value>
      <value compset="_CAM\d0%WX_" >-waccmx -ionosphere none -chem waccm_ma</value>
      <value compset="_CAM40%WXIE(_|%)">-chem waccm_ma</value>
      <value compset="_CAM40%WXIED">-chem waccm_mad</value>
      <value compset="_CAM60%WXIE(_|%)">-chem waccm_ma_mam5</value>
      <value compset="_CAM60%WXIED">-chem waccm_mad_mam5</value>

      <value compset="_CAM.*%SDYN">-offline_dyn</value>
      <value compset="_CAM\d0%SDYN_CLM">-nlev 56</value>
      <value compset="_CAM\d0%CT.*%SDYN">-nlev 56</value>
      <value compset="_CAM\d0%CARMATS.*%SDYN">-nlev 56</value>
      <value compset="_CAM\d0%WC.*%SDYN">-nlev 88</value>
      <value compset="_CAM\d0%WX.*%SDYN">-nlev 145</value>
      <value compset="_CAM70%LT">-model_top lt</value>
      <value compset="_CAM70%MT">-model_top mt</value>
      <value compset="_CAM70%WA">-model_top ht</value>
      <value compset="_CAM70%WX">-model_top xt</value>

      <!-- SCAM IOPs -->
      <value compset="_CAM.*%SCAMARM95">-scam arm95</value>
      <value compset="_CAM.*%SCAMARM97">-scam arm97</value>
      <value compset="_CAM.*%SCAMATEX">-scam atex</value>
      <value compset="_CAM.*%SCAMBOMEX">-scam bomex</value>
      <value compset="_CAM.*%SCAMCGILSS11">-scam cgilss11</value>
      <value compset="_CAM.*%SCAMCGILSS12">-scam cgilss12</value>
      <value compset="_CAM.*%SCAMCGILSS6">-scam cgilss6</value>
      <value compset="_CAM.*%SCAMDYCOMSRF01">-scam dycomsrf01</value>
      <value compset="_CAM.*%SCAMDYCOMSRF02">-scam dycomsrf02</value>
      <value compset="_CAM.*%SCAMGATE3">-scam gateIII</value>
      <value compset="_CAM.*%SCAMMPACE">-scam mpace</value>
      <value compset="_CAM.*%SCAMRICO">-scam rico</value>
      <value compset="_CAM.*%SCAMSPARTICUS">-scam sparticus</value>
      <value compset="_CAM.*%SCAMTOGA2">-scam togaII</value>
      <value compset="_CAM.*%SCAMTWP06">-scam twp06</value>
      <value compset="_CAM.*%SCAMCAMFRC">-scam camfrc</value>

      <!-- Simple models -->
      <value compset="_CAM%ADIAB">-phys adiabatic -analytic_ic</value>
      <value compset="_CAM%TJ16">-phys tj2016 -analytic_ic</value>
      <value compset="_CAM%GRAYRAD">-phys grayrad -analytic_ic</value>
      <value compset="_CAM%HS94">-phys held_suarez -analytic_ic</value>
      <value compset="_CAM%KESSLER">-phys kessler -chem terminator -analytic_ic -nadv_tt=6</value>

      <!-- Aquaplanet -->
      <value compset="_DOCN%SOMAQP">-aquaplanet</value>
      <value compset="_DOCN%AQP"   >-aquaplanet</value>
      <value compset="_CAM70.*_SLND_SICE_DOCN%AQP" >-chem none</value>

      <!-- PORT -->
      <value compset="%PORT">-offline_drv rad</value>
    </values>
    <group>build_component_cam</group>
    <file>env_build.xml</file>
    <desc>
      CAM configure options, see CAM configure utility for details
      Provides option(s) for the CAM configure utility.
      CAM_CONFIG_OPTS are normally set as compset variables (e.g., -phys  cam4 -chem waccm_ma)
      and in general should not be modified for supported compsets.  It is recommended that if you want
      to modify this value for your experiment, you should use your own user-defined
      component sets via using create_newcase with a compset_file argument
    </desc>
  </entry>

  <entry id="CAM_LINKED_LIBS">
    <type>char</type>
    <valid_values></valid_values>
    <default_value>-ltuvx -lyaml-cpp -lstdc++</default_value>
    <group>build_component_cam</group>
    <file>env_build.xml</file>
    <desc>
      CAM linked libraries. The libraries are built by CAM's buildlib script and should be included
      during linking of the model executable.
    </desc>
  </entry>

  <entry id="CAM_NML_USE_CASE">
    <type>char</type>
    <valid_values></valid_values>
    <default_value>UNSET</default_value>
    <values match="last">
      <value compset="1850_CAM40"        >1850_cam4</value>
      <value compset="1850_CAM50"        >1850_cam5</value>

      <value compset="1850_CAM60"        >1850_cam6</value>
      <value compset="1850_CAM60%WCTS"   >waccm_tsmlt_1850_cam6</value>
      <value compset="1850_CAM60%WCCM"   >waccm_ma_1850_cam6</value>
      <value compset="1850_CAM60%WCSC"   >waccm_sc_1850_cam6</value>
      <value compset="1850[CE]?_CAM70%LT"     >1850_cam_lt</value>
      <value compset="1850[CE]?_CAM70%MT"     >1850_cam_mt</value>

      <value compset="2000_CAM40%TMOZ"   >2000_cam4_trop_chem</value>
      <value compset="2000_CAM40%WXIE"   >waccmxie_ma_2000_cam4</value>
      <value compset="2000_CAM40%WX_"    >waccmx_ma_2000_cam4</value>

      <value compset="2000[CE]?_CAM70"        >2000_cam6</value>
      <value compset="2000_CAM60"        >2000_cam6</value>
      <value compset="2000_CAM60%WCTS"   >waccm_tsmlt_2000_cam6</value>
      <value compset="2000_CAM60%WCCM"   >waccm_ma_2000_cam6</value>
      <value compset="2000_CAM60%WCSC"   >waccm_sc_2000_cam6</value>
      <value compset="2000_CAM60%.*CT1S1">2000_trop_strat_vbs_cam6</value>
      <value compset="2000_CAM60%CARMATS">carma_trop_strat_cam6</value>
      <value compset="2000_CAM60%GEOSCHEM">2000_geoschem</value>
      <value compset="2000_CAM60%WXIE"   >waccmx_ma_2000_cam6</value>
      <value compset="2000_CAM60%CSLH"   >2000_trop_strat_cam6_slh</value>
      <value compset="2000_CAM60%WSLH"   >waccm_tsmlt_2000_cam6_slh</value>

      <value compset="2000_CAM40_SLND_SICE_DOCN%SOMAQP">aquaplanet_cam4</value>
      <value compset="2000_CAM40_SLND_SICE_DOCN%AQP"   >aquaplanet_cam4</value>
      <value compset="2000_CAM50_SLND_SICE_DOCN%SOMAQP">aquaplanet_cam5</value>
      <value compset="2000_CAM50_SLND_SICE_DOCN%AQP"   >aquaplanet_cam5</value>
      <value compset="2000_CAM60_SLND_SICE_DOCN%SOMAQP">aquaplanet_cam6</value>
      <value compset="2000_CAM60_SLND_SICE_DOCN%AQP"   >aquaplanet_cam6</value>
      <value compset="2000_CAM60_SLND_SICE_DOCN%AQPCONST" >aquaplanet_rce_cam6</value>
      <value compset="2000[CE]?_CAM70.*_SLND_SICE_DOCN%AQP">aquaplanet_cam7</value>
      <value compset="2000_CAM\d0%WC.*_SLND_SICE_DOCN%AQP">aquaplanet_waccm_2000</value>

      <value compset="2010_CAM60"        >2010_cam6</value>
      <value compset="2010_CAM60%.*CT1S1">2010_trop_strat_vbs_cam6</value>
      <value compset="2010_CAM60%WCTS"   >waccm_tsmlt_2010_cam6</value>
      <value compset="2010_CAM60%WCSC"   >waccm_sc_2010_cam6</value>
      <value compset="2010_CAM60%GEOSCHEM">2010_geoschem</value>

      <value compset="HIST_CAM40"        >1850-2005_cam4</value>
      <value compset="HIST_CAM40.*_BGC%B">1850-2005_cam4_bgc</value>
      <value compset="HIST_CAM40%WXIE"   >1950-2010_ccmi_refc1_waccmx_ma</value>
      <value compset="HIST_CAM50"        >1850-2005_cam5</value>
      <value compset="HIST_CAM60"        >hist_cam6</value>
      <value compset="HIST[CE]?_CAM70%LT">hist_cam_lt</value>
      <value compset="HIST[CE]?_CAM70%MT">hist_cam_mt</value>
      <value compset="HIST_CAM60%WCTS"   >waccm_tsmlt_hist_cam6</value>
      <value compset="HIST_CAM60%WCSC"   >waccm_sc_hist_cam6</value>
      <value compset="HIST_CAM60%WCCM"   >waccm_ma_hist_cam6</value>
      <value compset="HIST_CAM60%WCMD"   >waccm_ma_hist_cam6</value>
      <value compset="HIST_CAM40%WCMD"   >waccm_ma_hist_cam4</value>
      <value compset="HIST_CAM60%WSLH"   >waccm_tsmlt_hist_cam6_slh</value>
      <value compset="HIST_CAM60%CSLH"   >hist_trop_strat_cam6_slh</value>
      <value compset="HIST[CE]?_CAM70%WA%CT">waccm_ma_hist_cam7</value>
      <value compset="HIST[CE]?_CAM70%WA%CSO">waccm_sc_hist_cam7</value>
      <value compset="HIST[CE]?_CAM70%WX">waccm_ma_hist_cam7</value>
      <value compset="HIST[CE]?_CAM.*CT1S">hist_trop_strat_vbs_cam6</value>
      <value compset="HIST[CE]?_CAM7.*CT4S2">hist_trop_strat_t4s_cam7</value>
      <value compset="1850[CE]?_CAM7.*CT4S2">1850_trop_strat_t4s_cam7</value>
      <value compset="HIST_CAM60%.*CT[12]S1%NUDG">hist_trop_strat_nudged_cam6</value>
      <value compset="HIST_CAM60%CSLH%NUDG">hist_trop_strat_nudged_cam6_slh</value>
      <value compset="HIST_CAM60%WSLH%NUDG">waccm_tsmlt_nudged_cam6_slh</value>
      <value compset="HIST_CAM60%CARMATS">carma_trop_strat_hist_cam6</value>
      <value compset="HIST_CAM60%CARMATS%NUDG">carma_trop_strat_nudged_cam6</value>
      <value compset="HIST_CAM60%CARMAWM">carma_waccm_ma_hist_cam6</value>
      <value compset="HIST_CAM60%CARMAWM%NUDG">carma_waccm_ma_nudged_cam6</value>
      <value compset="HIST_CAM60%CVBSX"  >hist_trop_strat_vbsext_cam6</value>
      <value compset="HIST_CAM60%CFIRE"  >hist_trop_strat_vbsfire_cam6</value>
      <value compset="HIST_CAM60%GEOSCHEM">hist_geoschem</value>
      <value compset="HIST_CAM60%GEOSCHEM%NUDG">hist_geoschem_nudged</value>
      <value compset="HIST_CAM60%WXIE"   >waccmx_ma_hist_cam6</value>

      <value compset="PIPD_CAM50"        >1850-PD_cam5</value>

      <value compset="RCP2_CAM40"        >2005-2100_cam4_rcp26</value>
      <value compset="RCP4_CAM40"        >2005-2100_cam4_rcp45</value>
      <value compset="RCP4_CAM40.*_BGC%B">2005-2100_cam4_rcp45_bgc</value>
      <value compset="RCP6_CAM40"        >2005-2100_cam4_rcp60</value>
      <value compset="RCP8_CAM40"        >2005-2100_cam4_rcp85</value>
      <value compset="RCP8_CAM40.*_BGC%B">2005-2100_cam4_rcp85_bgc</value>

      <value compset="RCP2_CAM50"        >2006-2100_cam5_rcp26</value>
      <value compset="RCP4_CAM50"        >2006-2100_cam5_rcp45</value>
      <value compset="RCP6_CAM50"        >2006-2100_cam5_rcp60</value>
      <value compset="RCP8_CAM50"        >2006-2100_cam5_rcp85</value>

      <value compset="_CAM40%WXIED%SDYN"  >sd_waccmx_ma_cam4</value>
      <value compset="_CAM40%WXIE%SDYN"   >sd_waccmx_ma_cam4</value>
      <value compset="_CAM60%WXIED%SDYN"  >sd_waccmx_ma_cam6</value>
      <value compset="_CAM60%WXIE%SDYN"   >sd_waccmx_ma_cam6</value>
      <value compset="_CAM60%WCTS%SDYN"   >sd_waccm_tsmlt_cam6</value>
      <value compset="_CAM60%WCCM%SDYN"   >sd_waccm_ma_cam6</value>
      <value compset="_CAM60%WCMD%SDYN"   >sd_waccm_ma_cam6</value>
      <value compset="_CAM40%WCMD%SDYN"   >sd_waccm_ma_cam4</value>
      <value compset="_CAM60%.*CT1S1%SDYN">sd_trop_strat_vbs_cam6</value>
      <value compset="_CAM60%.*CT2S1%SDYN">sd_trop_strat2_cam6</value>
      <value compset="_CAM60%CARMATS%SDYN">carma_trop_strat_sd_cam6</value>
      <value compset="_CAM60%SDYN_CLM50"  >sd_cam6</value>

      <value compset="CAM%ADIAB"         >adiabatic</value>
      <value compset="CAM%HS94"          >held_suarez_1994</value>
      <value compset="CAM%TJ16"          >dctest_tj2016</value>
      <value compset="CAM%GRAYRAD"       >dctest_frierson</value>
      <value compset="CAM%KESSLER"       >dctest_baro_kessler</value>
    </values>
    <group>run_component_cam</group>
    <file>env_run.xml</file>
    <desc>CAM namelist use_case.  Provides the use_case option for the
      CAM build-namelist utility (which is called from
      $CASEROOT/Buildconf/cam.buildnml).  The CAM build-namelist
      leverages groups of namelist options (use cases) that are often
      paired with the CAM configure options.  These use cases are xml
      files located in
      $CIMEROOT/../components/cam/bld/namelist_files/use_cases.
      In general, this variable should not be modified for supported
      component sets (compsets).  Recommendation: If you want to
      modify this value for your experiment, use your own user-defined
      component sets.</desc>
  </entry>

  <entry id="CAM_NAMELIST_OPTS">
    <type>char</type>
    <valid_values></valid_values>
    <default_value></default_value>
    <values match="last" modifier="additive">
      <value compset="_CAM60%4xCO2"> co2vmr=1138.8e-6  </value>
      <value compset="_CAM60%WCTS%4xCO2"> flbc_cycle_yr=1  </value>
      <value compset="_CAM60%WCTS%4xCO2"> flbc_file='$DIN_LOC_ROOT/atm/waccm/lb/LBC_CMIP6abrupt4xCO2_cyclicalYear1_0p5degLat_c180929.nc'  </value>
      <value compset="_CAM60%WCTS%4xCO2"> ncdata='$DIN_LOC_ROOT/atm/waccm/ic/b.e21.BW1850.f09_g17.CMIP6-piControl.001.cam.i.0070-01-01.abrupt4xCO2_c181003.nc'  </value>
      <value compset="_CAM60%WCTS%4xCO2"> nlte_limit_co2=.true.  </value>
      <value compset="_CAM60%1PCT"> flbc_type='SERIAL'</value>
      <value compset="_CAM60%1PCT"> flbc_file='$DIN_LOC_ROOT/atm/waccm/lb/LBC_CMIP6_1pctCO2_y1-165_GlobAnnAvg_0p5degLat_c180929.nc'</value>
      <value compset="_CAM60%1PCT"> flbc_list='CO2','CH4','N2O','CFC11eq','CFC12' </value>
      <value compset="_CAM60%WCTS%1PCT"> flbc_type='SERIAL' </value>
      <value compset="_CAM60%WCTS%1PCT"> flbc_cycle_yr=-1 </value>
      <value compset="_CAM60%WCTS%1PCT"> flbc_file='$DIN_LOC_ROOT/atm/waccm/lb/LBC_CMIP6_1pctCO2ramp_y1-165_0p5degLat_c180930.nc'</value>
      <value compset="_CAM60%WCTS%1PCT"> nlte_limit_co2=.true.</value>
      <value compset="_BGC%BDRD"> co2_cycle_rad_passive=.true. </value>
      <!-- hemco (harmonized emissions component) option -->
      <value compset="_CAM.*%HEMCO"> use_hemco=.true. </value>
      <!-- rearth provided by FMS for FV3 and must remain fixed to that value to maintain consistency between phys/dyn. -->
      <value grid="a%C[0-9]"> rearth = 6.37122D6 </value>
    </values>
    <group>run_component_cam</group>
    <file>env_run.xml</file>
    <desc>CAM specific namelist settings for -namelist option Provides
      options to the -namelist argument for the CAM build-namelist
      utility.  This should be reserved for component set
      specification. Users should modify CAM namelists only via the
      $CASEROOT/user_nl_cam file.</desc>
  </entry>

  <entry id="CAM_USER_MODS">
    <type>char</type>
    <valid_values></valid_values>
    <default_value></default_value>
    <values match="last">
    <value compset="DOCN%AQP">$COMP_ROOT_DIR_ATM/cime_config/usermods_dirs/aquap</value>
    <value compset="DOCN%SOMAQP">$COMP_ROOT_DIR_ATM/cime_config/usermods_dirs/aquap</value>
    <value compset="CAM.*SCAM" >$COMP_ROOT_DIR_ATM/cime_config/usermods_dirs/scam_mandatory</value>
    <value compset="CAM.*%SCAMCAMFRC">$COMP_ROOT_DIR_ATM/cime_config/usermods_dirs/scam_camfrc</value>
    </values>
    <group>run_component_cam</group>
    <file>env_case.xml</file>
    <desc>User mods to apply to specific compset matches. </desc>
  </entry>


  <help>
    =========================================
    CAM naming conventions
    =========================================
  </help>

</entry_id>