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

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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
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6 changes: 3 additions & 3 deletions datm/cime_config/config_component.xml
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -165,7 +165,7 @@

<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 @@ -176,8 +176,8 @@
<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>
Expand Down
261 changes: 18 additions & 243 deletions datm/cime_config/stream_definition_datm.xml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -145,8 +145,8 @@
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
========================
co2tseries.20tr
co2tseries.20tr.latbnd
co2tseries.cmip6_20tr
co2tseries.cmip7_20tr
co2tseries.omip.iaf
co2tseries.omip.jra
co2tseries.SSP1-1.9
Expand All @@ -157,14 +157,6 @@
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 @@ -3646,7 +3638,7 @@

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

<stream_entry name="co2tseries.20tr">
<stream_entry name="co2tseries.cmip6_20tr">
<stream_meshfile>
<meshfile>none</meshfile>
</stream_meshfile>
Expand Down Expand Up @@ -3677,24 +3669,24 @@
<stream_readmode>single</stream_readmode>
</stream_entry>

<stream_entry name="co2tseries.omip.iaf">
<stream_entry name="co2tseries.cmip7_20tr">
<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>
<stream_year_first>1750</stream_year_first>
<stream_year_last>2022</stream_year_last>
<stream_offset>0</stream_offset>
<stream_tintalgo>
<tintalgo>linear</tintalgo>
Expand All @@ -3708,7 +3700,7 @@
<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 @@ -3723,226 +3715,9 @@
<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 @@ -3956,24 +3731,24 @@
<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 Down