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Fix summation errors in CO2 land use also for coupled runs #2403

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Merged
dklein-pik merged 3 commits into from
Jul 13, 2026
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Merged

Fix summation errors in CO2 land use also for coupled runs #2403

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81727a7
Follow-up to 9c0c81406f464d7b5cb4f21c336670d1881f3dc5 that corrected …
dklein-pik Jul 13, 2026
441463e
Merge branch 'develop' of github.com:remindmodel/remind into develop
dklein-pik Jul 13, 2026
465875e
Merge branch 'develop' of github.com:remindmodel/remind into develop
dklein-pik Jul 13, 2026
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7 changes: 4 additions & 3 deletions core/datainput.gms
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Original file line number Diff line number Diff line change
Expand Up @@ -1527,13 +1527,14 @@ pm_macBaseMagpie(ttot,regi,emiMacMagpie(enty))$(ttot.val ge 2005) = f_macBaseMag
*** pm_macBaseMagpie gets updated in core/presolve.gms when coupling to MAgPIE is active

*** In case of fixing, load p_co2lucSub from input_ref.gdx, since parameters are not automatically treated by the fixing mechanism.
*** Years >= cm_startyear get their values from the lookup table
*** Years >= cm_startyear get their values from the lookup table rather than the input_ref.gdx (see below).
if( (cm_startyear gt 2005),
Execute_Loadpoint "input_ref" p_co2lucSub = p_co2lucSub;
);

*** p_co2lucSub gets updated in core/presolve.gms when coupling to MAgPIE is active
*** Overwrite values >= cm_startyear with lookup table, leave values < cm_startyear untouched (from input_ref.gdx, see above)

*** Overwrite values >= cm_startyear with lookup table, leave values < cm_startyear untouched (from input_ref.gdx, see above).
*** Gets updated for >= cm_startyear in core/presolve.gms when coupling to MAgPIE is active.
p_co2lucSub(ttot,regi,emiMacMagpieCO2Sub(all_enty))$(ttot.val ge cm_startyear) = f_macBaseMagpie(ttot,regi,emiMacMagpieCO2Sub,"%cm_LU_emi_scen%","%cm_rcp_scen%");

*** p_macPolCO2luc defines the lower limit for abatement of CO2 landuse change emissions in REMIND
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2 changes: 1 addition & 1 deletion core/presolve.gms
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Expand Up @@ -127,7 +127,7 @@ if (sm_magpieIter gt 0,
*** MAgPIE has run once at least: the start values for pm_macBaseMagpie come from the last MAgPIE iteration
Execute_Loadpoint 'magpieData.gdx' f_macBaseMagpie_coupling;
pm_macBaseMagpie(ttot,regi,emiMacMagpie(enty))$(ttot.val ge 2005) = f_macBaseMagpie_coupling(ttot,regi,emiMacMagpie);
p_co2lucSub(ttot,regi,emiMacMagpieCO2Sub(all_enty))$(ttot.val ge 2005) = f_macBaseMagpie_coupling(ttot,regi,emiMacMagpieCO2Sub);
p_co2lucSub(ttot,regi,emiMacMagpieCO2Sub(all_enty))$(ttot.val ge cm_startyear) = f_macBaseMagpie_coupling(ttot,regi,emiMacMagpieCO2Sub);
*** Biomass emission factor is set to zero after MAgPIE has run at least one, since biomass emissions are included in the emissions imported above.
p_efFossilFuelExtr(regi,"pebiolc","n2obio") = 0.0;
*** In coupling mode LU emissions are abated in MAgPIE (moved here from core/datainput.gms)
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