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b4b: Introduce separate cmip6 and cmip7 co2 stream files keeping cmip6 as default #375

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Merged
billsacks merged 16 commits into from
Feb 11, 2026
Merged

b4b: Introduce separate cmip6 and cmip7 co2 stream files keeping cmip6 as default #375

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5a06fe0
Update from cmip6 to cmip7 co2 stream file
slevis-lmwg Jan 7, 2026
d226954
Add CMIP7 and creation date to the new co2 file
slevis-lmwg Jan 14, 2026
b59b12b
Remove streams co2tseries.*.latbnd because they do not work correctly
slevis-lmwg Jan 14, 2026
702c997
Keep 2 co2 streams, one for cmip6 and one for cmip7
slevis-lmwg Jan 14, 2026
93feada
Changes to ensure unchanged answers (not tested, yet)
slevis-lmwg Jan 14, 2026
34d1790
Putting back stream_year_align, stream_year_first to 1850 for b4b
slevis-lmwg Jan 15, 2026
592d3de
Merge branch 'main' into cmip7co2file
jedwards4b Jan 20, 2026
e743c42
Change grid from f19_g17_rx1 to TL319_t232 in test
slevis-lmwg Feb 10, 2026
7b02d10
Merge tag 'cdeps1.0.91' into cmip7co2file
slevis-lmwg Feb 10, 2026
ad00e0b
Correct recent grid change to TL319_t232_wt232 in test
slevis-lmwg Feb 10, 2026
fd963ed
Add comment as suggested in review
slevis-lmwg Feb 10, 2026
159a9fd
Add comment as suggested in review
slevis-lmwg Feb 10, 2026
5bb5d24
Add comment as suggested in review
slevis-lmwg Feb 10, 2026
66c36ba
Add comment as suggested in review
slevis-lmwg Feb 10, 2026
7c3078d
Fix typo
slevis-lmwg Feb 10, 2026
6323e28
Remove redundant comment
slevis-lmwg Feb 11, 2026
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6 changes: 3 additions & 3 deletions datm/cime_config/config_component.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -163,7 +163,7 @@

<entry id="DATM_CO2_TSERIES">
<type>char</type>
<valid_values>none,20tr,20tr.latbnd,omip.iaf,omip.jra,SSP1-1.9,SSP1-2.6,SSP2-4.5,SSP3-7.0,SSP4-3.4,SSP4-6.0,SSP5-3.4,SSP5-8.5,SSP1-1.9.latbnd,SSP1-2.6.latbnd,SSP2-4.5.latbnd,SSP3-7.0.latbnd,SSP4-3.4.latbnd,SSP4-6.0.latbnd,SSP5-3.4.latbnd,SSP5-8.5.latbnd</valid_values>
<valid_values>none,cmip6_20tr,cmip7_20tr,omip.iaf,omip.jra,SSP1-1.9,SSP1-2.6,SSP2-4.5,SSP3-7.0,SSP4-3.4,SSP4-6.0,SSP5-3.4,SSP5-8.5</valid_values>
<default_value>none</default_value>
<values match="last">
<value compset="^SSP119_">SSP1-1.9</value>
Expand All @@ -174,8 +174,8 @@
<value compset="^SSP460_">SSP4-6.0</value>
<value compset="^SSP534_">SSP5-3.4</value>
<value compset="^SSP585_">SSP5-8.5</value>
<value compset="^HIST[CE]?_" >20tr</value>
<value compset="^20TR" >20tr</value>
<value compset="^HIST[CE]?_">cmip6_20tr</value>
<value compset="^20TR" >cmip6_20tr</value>
<value compset="^OMIP_DATM%IAF.*_POP2%[^_]*ECO">omip.iaf</value>
<value compset="^OMIP_DATM%JRA.*_POP2%[^_]*ECO">omip.jra</value>
</values>
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266 changes: 23 additions & 243 deletions datm/cime_config/stream_definition_datm.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -152,11 +152,14 @@
========================
optional stream co2tseries (turned on and stream specified by xml variable DATM_CO2_TSERIES)
- DATM_CO2_TSERIES is set by the 4 character time prefix in config_component.xml
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- The historical series are labeled as either CMIP6 or CMIP6 era
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Outdated
- The SSP future scenarios are all CMIP6 era data
========================
co2tseries.20tr
co2tseries.20tr.latbnd
co2tseries.cmip6_20tr
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ekluzek marked this conversation as resolved.
co2tseries.cmip7_20tr
co2tseries.omip.iaf
co2tseries.omip.jra
# CO2 time-series for SSP future scenarios are all CMIP6 era
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@ekluzek ekluzek Feb 11, 2026

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A small detail I realize now is that we don't use # in these comments. But a dash is used. So if you are up to changing it to a dash that would be perfect. But, not that important. But, helpful when the formatting for all of this looks similar.

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@ekluzek ekluzek Feb 11, 2026

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Feel free to handle as you see fit. This is the smallest nit possible. :-)

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@ekluzek ekluzek Feb 11, 2026

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Oh, and it's actually my fault since you just merged in what I had suggested...

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@slevis-lmwg slevis-lmwg Feb 11, 2026

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I'm removing this line altogether since the same information repeats a few lines up from there.

co2tseries.SSP1-1.9
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co2tseries.SSP1-2.6
co2tseries.SSP2-4.5
Expand All @@ -165,14 +168,6 @@
co2tseries.SSP4-6.0
co2tseries.SSP5-3.4
co2tseries.SSP5-8.5
co2tseries.SSP1-1.9.latbnd
co2tseries.SSP1-2.6.latbnd
co2tseries.SSP2-4.5.latbnd
co2tseries.SSP3-7.0.latbnd
co2tseries.SSP4-3.4.latbnd
co2tseries.SSP4-6.0.latbnd
co2tseries.SSP5-3.4.latbnd
co2tseries.SSP5-8.5.latbnd

========================
optional stream presaero (turned on and stream specified by xml variable DATM_PRESAERO)
Expand Down Expand Up @@ -3755,7 +3750,8 @@

<!-- currently all co2 time series are single point and have no mesh -->

<stream_entry name="co2tseries.20tr">
<!-- CMIP6 era for 20th Century historical -->
<stream_entry name="co2tseries.cmip6_20tr">
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<stream_meshfile>
<meshfile>none</meshfile>
</stream_meshfile>
Expand Down Expand Up @@ -3786,24 +3782,24 @@
<stream_readmode>single</stream_readmode>
</stream_entry>

<stream_entry name="co2tseries.omip.iaf">
<stream_entry name="co2tseries.cmip7_20tr">
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<stream_meshfile>
<meshfile>none</meshfile>
</stream_meshfile>
<stream_datafiles>
<file>$DIN_LOC_ROOT/atm/datm7/CO2/fco2_datm_global_ssp585_simyr_1750-2020_CMIP6_c200324.nc</file>
<file>$DIN_LOC_ROOT/atm/datm7/CO2/co2_input4MIPs_GHGConcentrations_CMIP_CR-CMIP-1-0-0_gm_1750-2022_CMIP7_c20250228.nc</file>
</stream_datafiles>
<stream_datavars>
<var>CO2 Sa_co2diag</var>
<var>co2 Sa_co2diag</var>
</stream_datavars>
<stream_lev_dimname>null</stream_lev_dimname>
<stream_mapalgo>
<mapalgo>none</mapalgo>
</stream_mapalgo>
<stream_vectors>null</stream_vectors>
<stream_year_align>213</stream_year_align> <!-- 6*(2009-1948+1)-(2009-1850) -->
<stream_year_first>1850</stream_year_first>
<stream_year_last>2010</stream_year_last>
<stream_year_align>1750</stream_year_align>
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<stream_year_first>1750</stream_year_first>
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<stream_year_last>2022</stream_year_last>
<stream_offset>0</stream_offset>
<stream_tintalgo>
<tintalgo>linear</tintalgo>
Expand All @@ -3817,7 +3813,7 @@
<stream_readmode>single</stream_readmode>
</stream_entry>

<stream_entry name="co2tseries.omip.jra">
<stream_entry name="co2tseries.omip.iaf">
<stream_meshfile>
<meshfile>none</meshfile>
</stream_meshfile>
Expand All @@ -3832,226 +3828,9 @@
<mapalgo>none</mapalgo>
</stream_mapalgo>
<stream_vectors>null</stream_vectors>
<stream_year_align>198</stream_year_align> <!-- 6*(2018-1958+1)-(2018-1850) -->
<stream_year_align>213</stream_year_align> <!-- 6*(2009-1948+1)-(2009-1850) -->
<stream_year_first>1850</stream_year_first>
<stream_year_last>2019</stream_year_last>
<stream_offset>0</stream_offset>
<stream_tintalgo>
<tintalgo>linear</tintalgo>
</stream_tintalgo>
<stream_taxmode>
<taxmode>extend</taxmode>
</stream_taxmode>
<stream_dtlimit>
<dtlimit>1.e30</dtlimit>
</stream_dtlimit>
<stream_readmode>single</stream_readmode>
</stream_entry>

<stream_entry name="co2tseries.SSP1-1.9.latbnd">
<stream_meshfile>
<meshfile>none</meshfile>
</stream_meshfile>
<stream_datafiles>
<file>$DIN_LOC_ROOT/atm/datm7/CO2/fco2_datm_lat-bandsSSP1-1.9_simyr_2014-2500_CMIP6_c190514.nc</file>
</stream_datafiles>
<stream_datavars>
<var>CO2 Sa_co2diag</var>
</stream_datavars>
<stream_lev_dimname>null</stream_lev_dimname>
<stream_mapalgo>
<mapalgo>none</mapalgo>
</stream_mapalgo>
<stream_vectors>null</stream_vectors>
<stream_year_align>2015</stream_year_align>
<stream_year_first>2015</stream_year_first>
<stream_year_last>2500</stream_year_last>
<stream_offset>0</stream_offset>
<stream_tintalgo>
<tintalgo>linear</tintalgo>
</stream_tintalgo>
<stream_taxmode>
<taxmode>extend</taxmode>
</stream_taxmode>
<stream_dtlimit>
<dtlimit>1.e30</dtlimit>
</stream_dtlimit>
<stream_readmode>single</stream_readmode>
</stream_entry>

<stream_entry name="co2tseries.SSP1-2.6.latbnd">
<stream_meshfile>
<meshfile>none</meshfile>
</stream_meshfile>
<stream_datafiles>
<file>$DIN_LOC_ROOT/atm/datm7/CO2/fco2_datm_lat-bandsSSP1-2.6__simyr_2014-2500_CMIP6_c190506.nc</file>
</stream_datafiles>
<stream_datavars>
<var>CO2 Sa_co2diag</var>
</stream_datavars>
<stream_lev_dimname>null</stream_lev_dimname>
<stream_mapalgo>
<mapalgo>none</mapalgo>
</stream_mapalgo>
<stream_vectors>null</stream_vectors>
<stream_year_align>2015</stream_year_align>
<stream_year_first>2015</stream_year_first>
<stream_year_last>2500</stream_year_last>
<stream_offset>0</stream_offset>
<stream_tintalgo>
<tintalgo>linear</tintalgo>
</stream_tintalgo>
<stream_taxmode>
<taxmode>extend</taxmode>
</stream_taxmode>
<stream_dtlimit>
<dtlimit>1.e30</dtlimit>
</stream_dtlimit>
<stream_readmode>single</stream_readmode>
</stream_entry>

<stream_entry name="co2tseries.SSP2-4.5.latbnd">
<stream_meshfile>
<meshfile>none</meshfile>
</stream_meshfile>
<stream_datafiles>
<file>$DIN_LOC_ROOT/atm/datm7/CO2/fco2_datm_lat-bandsSSP2-4.5__simyr_2014-2500_CMIP6_c190506.nc</file>
</stream_datafiles>
<stream_datavars>
<var>CO2 Sa_co2diag</var>
</stream_datavars>
<stream_lev_dimname>null</stream_lev_dimname>
<stream_mapalgo>
<mapalgo>none</mapalgo>
</stream_mapalgo>
<stream_vectors>null</stream_vectors>
<stream_year_align>2015</stream_year_align>
<stream_year_first>2015</stream_year_first>
<stream_year_last>2500</stream_year_last>
<stream_offset>0</stream_offset>
<stream_tintalgo>
<tintalgo>linear</tintalgo>
</stream_tintalgo>
<stream_taxmode>
<taxmode>extend</taxmode>
</stream_taxmode>
<stream_dtlimit>
<dtlimit>1.e30</dtlimit>
</stream_dtlimit>
<stream_readmode>single</stream_readmode>
</stream_entry>

<stream_entry name="co2tseries.SSP3-7.0.latbnd">
<stream_meshfile>
<meshfile>none</meshfile>
</stream_meshfile>
<stream_datafiles>
<file>$DIN_LOC_ROOT/atm/datm7/CO2/co2_datm_lat-bandsSSP3-7.0__simyr_2014-2500_CMIP6_c190506.nc</file>
</stream_datafiles>
<stream_datavars>
<var>CO2 Sa_co2diag</var>
</stream_datavars>
<stream_lev_dimname>null</stream_lev_dimname>
<stream_mapalgo>
<mapalgo>none</mapalgo>
</stream_mapalgo>
<stream_vectors>null</stream_vectors>
<stream_year_align>2015</stream_year_align>
<stream_year_first>2015</stream_year_first>
<stream_year_last>2500</stream_year_last>
<stream_offset>0</stream_offset>
<stream_tintalgo>
<tintalgo>linear</tintalgo>
</stream_tintalgo>
<stream_taxmode>
<taxmode>extend</taxmode>
</stream_taxmode>
<stream_dtlimit>
<dtlimit>1.e30</dtlimit>
</stream_dtlimit>
<stream_readmode>single</stream_readmode>
</stream_entry>

<stream_entry name="co2tseries.SSP4-3.4.latbnd">
<stream_meshfile>
<meshfile>none</meshfile>
</stream_meshfile>
<stream_datafiles>
<file>$DIN_LOC_ROOT/atm/datm7/CO2/fco2_datm_lat-bandsSSP4-3.4_simyr_2014-2500_CMIP6_c190514.nc</file>
</stream_datafiles>
<stream_datavars>
<var>CO2 Sa_co2diag</var>
</stream_datavars>
<stream_lev_dimname>null</stream_lev_dimname>
<stream_mapalgo>
<mapalgo>none</mapalgo>
</stream_mapalgo>
<stream_vectors>null</stream_vectors>
<stream_year_align>2015</stream_year_align>
<stream_year_first>2015</stream_year_first>
<stream_year_last>2500</stream_year_last>
<stream_offset>0</stream_offset>
<stream_tintalgo>
<tintalgo>linear</tintalgo>
</stream_tintalgo>
<stream_taxmode>
<taxmode>extend</taxmode>
</stream_taxmode>
<stream_dtlimit>
<dtlimit>1.e30</dtlimit>
</stream_dtlimit>
<stream_readmode>single</stream_readmode>
</stream_entry>

<stream_entry name="co2tseries.SSP4-6.0.latbnd">
<stream_meshfile>
<meshfile>none</meshfile>
</stream_meshfile>
<stream_datafiles>
<file>$DIN_LOC_ROOT/atm/datm7/CO2/fco2_datm_lat-bandsSSP4-6.0__simyr_2014-2500_CMIP6_c190506.nc</file>
</stream_datafiles>
<stream_datavars>
<var>CO2 Sa_co2diag</var>
</stream_datavars>
<stream_lev_dimname>null</stream_lev_dimname>
<stream_mapalgo>
<mapalgo>none</mapalgo>
</stream_mapalgo>
<stream_vectors>null</stream_vectors>
<stream_year_align>2015</stream_year_align>
<stream_year_first>2015</stream_year_first>
<stream_year_last>2500</stream_year_last>
<stream_offset>0</stream_offset>
<stream_tintalgo>
<tintalgo>linear</tintalgo>
</stream_tintalgo>
<stream_taxmode>
<taxmode>extend</taxmode>
</stream_taxmode>
<stream_dtlimit>
<dtlimit>1.e30</dtlimit>
</stream_dtlimit>
<stream_readmode>single</stream_readmode>
</stream_entry>

<stream_entry name="co2tseries.SSP5-3.4.latbnd">
<stream_meshfile>
<meshfile>none</meshfile>
</stream_meshfile>
<stream_datafiles>
<file>$DIN_LOC_ROOT/atm/datm7/CO2/fco2_datm_lat-bandsSSP5-3.4__simyr_2014-2500_CMIP6_c190506.nc</file>
</stream_datafiles>
<stream_datavars>
<var>CO2 Sa_co2diag</var>
</stream_datavars>
<stream_lev_dimname>null</stream_lev_dimname>
<stream_mapalgo>
<mapalgo>none</mapalgo>
</stream_mapalgo>
<stream_vectors>null</stream_vectors>
<stream_year_align>2015</stream_year_align>
<stream_year_first>2015</stream_year_first>
<stream_year_last>2500</stream_year_last>
<stream_year_last>2010</stream_year_last>
<stream_offset>0</stream_offset>
<stream_tintalgo>
<tintalgo>linear</tintalgo>
Expand All @@ -4065,24 +3844,24 @@
<stream_readmode>single</stream_readmode>
</stream_entry>

<stream_entry name="co2tseries.SSP5-8.5.latbnd">
<stream_entry name="co2tseries.omip.jra">
<stream_meshfile>
<meshfile>none</meshfile>
</stream_meshfile>
<stream_datafiles>
<file>$DIN_LOC_ROOT/atm/datm7/CO2/fco2_datm_lat-bandsSSP5-8.5__simyr_2014-2500_CMIP6_c190506.nc</file>
<file>$DIN_LOC_ROOT/atm/datm7/CO2/fco2_datm_global_ssp585_simyr_1750-2020_CMIP6_c200324.nc</file>
</stream_datafiles>
<stream_datavars>
<var>CO2 Sa_co2diag</var>
<var>CO2 Sa_co2diag</var>
</stream_datavars>
<stream_lev_dimname>null</stream_lev_dimname>
<stream_mapalgo>
<mapalgo>none</mapalgo>
</stream_mapalgo>
<stream_vectors>null</stream_vectors>
<stream_year_align>2015</stream_year_align>
<stream_year_first>2015</stream_year_first>
<stream_year_last>2500</stream_year_last>
<stream_year_align>198</stream_year_align> <!-- 6*(2018-1958+1)-(2018-1850) -->
<stream_year_first>1850</stream_year_first>
<stream_year_last>2019</stream_year_last>
<stream_offset>0</stream_offset>
<stream_tintalgo>
<tintalgo>linear</tintalgo>
Expand All @@ -4096,6 +3875,7 @@
<stream_readmode>single</stream_readmode>
</stream_entry>

<!-- The future scenarios SSP (Shared Socio-economic Pathway) are CMIP6 era -->
<stream_entry name="co2tseries.SSP1-1.9">
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<stream_meshfile>
<meshfile>none</meshfile>
Expand Down
2 changes: 1 addition & 1 deletion drof/cime_config/testdefs/testlist_drof.xml
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
<?xml version="1.0"?>
<testlist version="2.0">

<test compset="2000_SATM_SLND_SICE_SOCN_DROF%NYF_SGLC_SWAV" grid="f19_g17_rx1" name="SMS_Ld3">
<test compset="2000_SATM_SLND_SICE_SOCN_DROF%NYF_SGLC_SWAV" grid="TL319_t232_wt232" name="SMS_Ld3">
<machines>
<machine name="derecho" compiler="intel" category="aux_cdeps"/>
<machine name="betzy" compiler="intel" category="aux_cdeps_noresm"/>
Expand Down