REMIND - REgional Model of INvestments and Development

3.0.0

created with goxygen 1.2.4

climate (15_climate)

Description

The 15_climate module calculates the resulting climate variables using either MAGICC6.4 or a stylized box model that can be used within the optimization routine.

Interfaces

Interfaces to other modules

Input

module inputs (A: box | B: magicc | C: off)
  Description Unit A B C
cm_emiscen policy scenario choice x x
cm_gdximport_target whether or not the starting value for iteratively adjusted budgets, tax scenarios, or forcing targets (emiscen 5,6,8,9) should be read in from the input.gdx x
cm_iterative_target_adj whether or not a tax or a budget target should be iteratively adjusted depending on actual emission or forcing level x
cm_multigasscen scenario on GHG portfolio to be included in permit trading scheme x x
cm_startyear first optimized modelling time step \(year\) x
pm_budgetCO2eq
(all_regi)
budget for regional energy-emissions in period 1 x
pm_emicapglob
(tall)
global emission cap x x x
pm_globalMeanTemperature
(tall)
global mean temperature anomaly x
pm_globalMeanTemperatureZeroed1900
(tall)
global mean temperature anomaly, zeroed around 1900 x
pm_pricePerm
(ttot)
permit price in special case when the marginal is only found in box module x
pm_taxCO2eq
(ttot, all_regi)
CO2 tax path in T$/GtC = $/kgC. To get $/tCO2, multiply with 272 \(T\$/GtC\) x
pm_temperatureImpulseResponseCO2
(tall, tall)
temperature impulse response to CO2 \(K/GtCO2\) x
pm_ttot_val
(ttot)
value of ttot set element x
sm_budgetCO2eqGlob budget for global energy-emissions in period 1 x x
vm_emiAllGlob
(ttot, all_enty)
total global emissions - link to the climate module. \(GtC, Mt CH4, Mt N\) x
vm_forcOs
(ttot)
Forcing overshoot x

Output

Realizations

(A) box

In this realization, concentration, forcing, and temperature values are calculated using a simple model that can be used within the optimization routine.

In this realization, concentration, forcing, and temperature values are calculated using a simple model that can be used within the optimization routine.

Carbon Cycle. CO2 concentration is calculated using and Impulse-Response-Function Model with 3 time scales

\[\begin{multline*} v15\_conc(ta10,'CO2') = s15\_c0 + \left(\frac{\left(s15\_c2000-s15\_c0\right)}{\left(s15\_ca0 \cdot s15\_cq0+s15\_ca1 \cdot s15\_cq1+s15\_ca2 \cdot s15\_cq2+s15\_ca3 \cdot s15\_cq3\right)}\right) \cdot \left(s15\_ca0 \cdot s15\_cq0 + s15\_ca1 \cdot s15\_cq1 \cdot exp\left(-\frac{\left(ord(ta10)-1\right)}{s15\_ctau1}\right) + s15\_ca2 \cdot s15\_cq2 \cdot exp\left(-\frac{\left(ord(ta10)-1\right)}{s15\_ctau2}\right) + s15\_ca3 \cdot s15\_cq3 \cdot exp\left(-\frac{\left(ord(ta10)-1\right)}{s15\_ctau3}\right)\right) + s15\_cconvi \cdot \sum_{tx\$\left(ord(tx)lt ord(ta10)\right)}\left(v15\_emi(tx,'CO2') \cdot p15\_epsilon\left(ta10-ord(tx)\right)\right) \end{multline*}\]

CH4 concentration

\[\begin{multline*} \frac{ \left(v15\_conc(ta10,'CH4')-v15\_conc(ta10-1,'CH4')\right)}{s15\_DELTAT } = 0.5 \cdot \left( \left(\frac{1}{s15\_CNVCH4 } \cdot \left(v15\_emi(ta10,'CH4')+ s15\_NATCH4\right) - \left(\frac{p15\_conroh(ta10) }{ s15\_TAUCH4OH }+\frac{ 1 }{ s15\_TAUCH4SS}\right) \cdot v15\_conc(ta10,'CH4')\right) + \left(\frac{1}{s15\_CNVCH4} \cdot \left(v15\_emi(ta10-1,'CH4') + s15\_NATCH4\right) - \left(\frac{p15\_conroh(ta10-1) }{ s15\_TAUCH4OH }+\frac{ 1 }{ s15\_TAUCH4SS}\right) \cdot v15\_conc(ta10-1,'CH4')\right) \right) \end{multline*}\]

N20 concentration (from ACC2)

\[\begin{multline*} \frac{ \left(v15\_conc(ta10,'N2O')-v15\_conc(ta10-1,'N2O')\right)}{s15\_DELTAT } = 0.5 \cdot \left( \left(\frac{1}{s15\_CNVN2O } \cdot \left(v15\_emi(ta10,'N2O')+ s15\_NATN2O\right) - \left(\frac{1}{s15\_TAUN2O} \cdot \left(\frac{v15\_conc(ta10,'N2O')}{s15\_CONN2O2000R}\right)^{\left(-s15\_SENTAUN2O\right)} \cdot v15\_conc(ta10,'N2O')\right)\right) + \left(\frac{1}{s15\_CNVN2O } \cdot \left(v15\_emi(ta10-1,'N2O') + s15\_NATN2O\right) - \left(\frac{1}{s15\_TAUN2O} \cdot \left(\frac{v15\_conc(ta10-1,'N2O')}{s15\_CONN2O2000R}\right)^{\left(-s15\_SENTAUN2O\right)} \cdot v15\_conc(ta10-1,'N2O')\right)\right) \right) \end{multline*}\]

CO2 radiative forcing

\[\begin{multline*} v15\_forcComp(ta10,'CO2') = s15\_fcodb \cdot \frac{ log\left(\frac{v15\_conc(ta10,'CO2')}{s15\_c0}\right) }{ log(2) } \end{multline*}\]

CH4 radiative forcing (from ACC2)

\[\begin{multline*} v15\_forcComp(ta10,'CH4') = s15\_RHOCH4 \cdot \left(SQRTv15\_conc(ta10,'CH4') - SQRT(s15\_CONCH4PRE)\right) - s15\_OVERLFAC1 \cdot LOG\left(1 + s15\_OVERLFAC2 \cdot \left(v15\_conc(ta10,'CH4') \cdot s15\_CONN2OPRE\right)^{s15\_OVERLEXP1 }+ s15\_OVERLFAC3 \cdot v15\_conc(ta10,'CH4') \cdot \left(v15\_conc(ta10,'CH4') \cdot s15\_CONN2OPRE\right)^{s15\_OVERLEXP2 }\right) + s15\_OVERLFAC1 \cdot LOG\left(1 + s15\_OVERLFAC2 \cdot \left(s15\_CONCH4PRE \cdot s15\_CONN2OPRE\right)^{s15\_OVERLEXP1 }+ s15\_OVERLFAC3 \cdot s15\_CONCH4PRE \cdot \left(s15\_CONCH4PRE \cdot s15\_CONN2OPRE\right)^{s15\_OVERLEXP2 }\right) \end{multline*}\]

N2O radiative forcing (from ACC2)

\[\begin{multline*} v15\_forcComp(ta10,'N2O') = s15\_RHON2O \cdot \left(SQRTv15\_conc(ta10,'N2O')-SQRT(s15\_CONN2OPRE)\right) - s15\_OVERLFAC1 \cdot LOG\left(1 + s15\_OVERLFAC2 \cdot \left(s15\_CONCH4PRE \cdot v15\_conc(ta10,'N2O')\right)^{s15\_OVERLEXP1 }+ s15\_OVERLFAC3 \cdot s15\_CONCH4PRE \cdot \left(s15\_CONCH4PRE \cdot v15\_conc(ta10,'N2O')\right)^{s15\_OVERLEXP2 }\right) + s15\_OVERLFAC1 \cdot LOG\left(1 + s15\_OVERLFAC2 \cdot \left(s15\_CONCH4PRE \cdot s15\_CONN2OPRE\right)^{s15\_OVERLEXP1 }+ s15\_OVERLFAC3 \cdot s15\_CONCH4PRE \cdot \left(s15\_CONCH4PRE \cdot s15\_CONN2OPRE\right)^{s15\_OVERLEXP2 }\right) \end{multline*}\]

SO2 radiative forcing

\[\begin{multline*} v15\_forcComp(ta10,'SO2') = s15\_dso1990 \cdot \frac{ v15\_emi(ta10,'SO2') }{ s15\_so1990 }+ s15\_iso1990 \cdot \frac{ log\left(1 +\frac{ v15\_emi(ta10,'SO2')}{s15\_enatso2}\right) }{ log\left(1 +\frac{ s15\_so1990}{s15\_enatso2}\right) } \end{multline*}\]

BC and OC from fossil fuels radiative forcing; scales linear with emissions.

\[\begin{multline*} v15\_forcComp(ta10,'BC') = \left(\frac{v15\_emi(ta10,'BC') }{ s15\_bc2005}\right) \cdot p15\_oghgf\_ffbc('2005') \end{multline*}\]

\[\begin{multline*} v15\_forcComp(ta10,'OC') = \left(\frac{v15\_emi(ta10,'OC') }{ s15\_oc2005}\right) \cdot p15\_oghgf\_ffoc('2005') \end{multline*}\]

Total radiative forcing (foghg given exogenously)

\[\begin{multline*} v15\_forcComp(ta10,'TTL') = hv15\_forcComp(ta10,'CO2') + v15\_forcComp(ta10,'SO2') + v15\_forcComp(ta10,'CH4') + v15\_forcComp(ta10,'N2O') + v15\_forcComp(ta10,'BC') + v15\_forcComp(ta10,'OC') + v15\_forcComp(ta10,'oghg\_nokyo') + v15\_forcComp(ta10,'oghg\_kyo') \end{multline*}\]

Total radiative forcing of Kyoto gases

\[\begin{multline*} v15\_forcKyo(ta10) = v15\_forcComp(ta10,'CO2') + v15\_forcComp(ta10,'CH4') + v15\_forcComp(ta10,'N2O') + v15\_forcComp(ta10,'oghg\_kyo') \end{multline*}\]

RCP forcing

\[\begin{multline*} v15\_forcRcp(ta10) = v15\_forcComp(ta10,'CO2') + v15\_forcComp(ta10,'CH4') + v15\_forcComp(ta10,'N2O') + v15\_forcComp(ta10,'oghg\_kyo') + v15\_forcComp(ta10,'SO2') + v15\_forcComp(ta10,'BC') + v15\_forcComp(ta10,'OC') + v15\_forcComp(ta10,'oghg\_nokyo\_rcp') \end{multline*}\]

Temperature equations, consisting of a fast and a slow response function

\[\begin{multline*} v15\_tempFast(ta10) = s15\_RPCTA1 \cdot \frac{ s15\_temp2000 }{ s15\_tsens} \end{multline*}\]

\[\begin{multline*} v15\_tempSlow(ta10) = s15\_RPCTA2 \cdot \frac{ s15\_temp2000 }{ s15\_tsens} \end{multline*}\]

\[\begin{multline*} \frac{ \left(v15\_tempFast(ta10) - v15\_tempFast(ta10-1)\right) }{ s15\_deltat\_box } = \frac{ 0.5 }{ s15\_RPCTT1 } \cdot \left( \left(s15\_RPCTA1 \cdot \frac{ v15\_forcComp(ta10,'TTL') }{ 3.7 }- v15\_tempFast(ta10)\right) + \left(s15\_RPCTA1 \cdot \frac{ v15\_forcComp(ta10-1,'TTL') }{ 3.7 }- v15\_tempFast(ta10-1)\right) \right) \end{multline*}\]

\[\begin{multline*} \frac{ \left(v15\_tempSlow(ta10) - v15\_tempSlow(ta10-1)\right) }{ s15\_deltat\_box } = \frac{ 0.5 }{ s15\_RPCTT2 } \cdot \left( \left(s15\_RPCTA2 \cdot \frac{ v15\_forcComp(ta10,'TTL') }{ 3.7 }- v15\_tempSlow(ta10)\right) + \left(s15\_RPCTA2 \cdot \frac{ v15\_forcComp(ta10-1,'TTL') }{ 3.7 }- v15\_tempSlow(ta10-1)\right) \right) \end{multline*}\]

\[\begin{multline*} v15\_temp(ta10) = v15\_tempFast(ta10) + v15\_tempSlow(ta10) \end{multline*}\]

Forcing overshoot for damage function

\[\begin{multline*} vm\_forcOs(t) = v15\_forcKyo(t) - s15\_gr\_forc\_kyo + v15\_slackForc(t) \end{multline*}\]

link to core

\[\begin{multline*} vm\_emiAllGlob(ttot,enty) = v15\_emi(ta10,FOB10) \end{multline*}\]


$IF %cm_so2_out_of_opt% == "on" q15_linkEMI_aer(ttot2ta10(ttot, ta10),emiaer2climate10(emiaer,FOB10)).. p15_so2emi(ttot,emiaer) =e= v15_emi(ta10,FOB10);

interpolation for linking (annual resolution of climate modules)

\[\begin{multline*} v15\_emi(ta10,FOB10) = \left(1-p15\_interpol(ta10)\right) \cdot v15\_emi(ttot,FOB10) + p15\_interpol(ta10) \cdot v15\_emi(ttot+1,FOB10) \end{multline*}\]

In this realization, concentration, forcing, and temperature values are calculated using a simple model that can be used within the optimization routine.

Limitations There are no known limitations.

(B) magicc

In this realization, concentration, forcing, and temperature values are calculated using a MAGICC6.4. MAGICC is run in between iterations and can be used to adapt carbon tax pathways and budgets to meet a give climate target.

In this realization, concentration, forcing, and temperature values are calculated using a MAGICC6.4. MAGICC is run in between iterations and can be used to adapt carbon tax pathways and budgets to meet a give climate target.

HERE goes the code for the iterative adjustment of the emission budget for SSP runs emission budgets are adjusted, such that a predefined forcing target in 2100 is met the actual 2100 forcing after each iteration is calculated by a magicc run started from GAMS

$include "./core/magicc.gms";
Execute "Rscript run_magicc.R";
Execute "Rscript read_DAT_TOTAL_ANTHRO_RF.R";
Execute_Loadpoint 'p15_forc_magicc'  p15_forc_magicc;
Execute "Rscript read_DAT_SURFACE_TEMP.R";
Execute_Loadpoint 'p15_magicc_temp' pm_globalMeanTemperature = pm_globalMeanTemperature;
pm_globalMeanTemperature(tall)$(tall.val gt 2300) = 0;

calibrate temperature (GMT anomaly) to match HADCRUT4 in 2000. This ensures that different MAGICC configurations start at the same observed temperature.

$ifthen.cm_magicc_calibrateTemperature2000 %cm_magicc_calibrateTemperature2000% == "HADCRUT4"

Calibrate temperature such that anomaly in 2006-2015 reference period is 0.97 (SR1.5 Table 2.2, footnote 1)

s15_tempOffset2010 = sum(tall$(tall.val gt 2005 and tall.val le 2015),pm_globalMeanTemperature(tall))/10; 
display s15_tempOffset2010;
pm_globalMeanTemperature(tall) = pm_globalMeanTemperature(tall) - s15_tempOffset2010 + 0.97;
display pm_globalMeanTemperature;
p15_gmt_conv = 100*smax(t,abs(pm_globalMeanTemperature(t)/max(p15_gmt0(t),1e-8) -1));
display p15_gmt_conv;
p15_gmt0(tall) = pm_globalMeanTemperature(tall);
$endif.cm_magicc_calibrateTemperature2000
pm_globalMeanTemperatureZeroed1900(tall)  = pm_globalMeanTemperature(tall) + 0.092; 
$ifthen.cm_magicc_tirf "%cm_magicc_temperatureImpulseResponse%" == "on"
if( ((iteration.val le 10) or ( mod(iteration.val,5 ) eq 0)) ,
    execute "Rscript run_magicc_temperatureImpulseResponse.R";
    execute_loadpoint 'pm_magicc_temperatureImpulseResponse'  pm_temperatureImpulseResponseCO2 = pm_temperatureImpulseResponse;
);
$endif.cm_magicc_tirf

Iterative adjustment of budgets or carbon taxes to meet forcing target

if (cm_iterative_target_adj eq 2, !! otherwise adjustment happens in core/postsolve.gms 
  

Iterative adjustment for budget runs: scale current budget with the ratio of target forcing s15_gr_forc_os to current forcing p15_forc_magicc. The offset is only there to increase the speed of convergence, the values have no physical meaning. For low stabilization targets (rcp2.0, rcp2.6, rcp3.7) the target is the 2100 forcing target (s15_rcpCluster eq 1), for lower targets the forcing target is valid during the full century (s15_rcpCluster eq 0).

  if ((cm_emiscen eq 6),
   
      display sm_budgetCO2eqGlob, s15_gr_forc_os, p15_forc_magicc;
   
      if (s15_rcpCluster eq 1,
        sm_budgetCO2eqGlob 
        = 
          sm_budgetCO2eqGlob 
        * (s15_gr_forc_os       - s15_forcing_budgetiterationoffset)
        / (p15_forc_magicc("2100") - s15_forcing_budgetiterationoffset)
        ;
      
        pm_budgetCO2eq(regi)
        =
          pm_budgetCO2eq(regi)
        * (s15_gr_forc_os       - s15_forcing_budgetiterationoffset)
        / (p15_forc_magicc("2100") - s15_forcing_budgetiterationoffset)
        ;
      elseif (s15_rcpCluster eq 0),
        sm_budgetCO2eqGlob 
        = 
          sm_budgetCO2eqGlob 
        * (s15_gr_forc_nte       - s15_forcing_budgetiterationoffset)
        / (smax(tall,p15_forc_magicc(tall)) - s15_forcing_budgetiterationoffset)
        ;
      
        pm_budgetCO2eq(regi)
        =
          pm_budgetCO2eq(regi)
        * (s15_gr_forc_nte       - s15_forcing_budgetiterationoffset)
        / (smax(tall,p15_forc_magicc(tall)) - s15_forcing_budgetiterationoffset)
        ;
       );
   
     display sm_budgetCO2eqGlob;
     );

Iterative adjustment for carbon tax runs: scale current tax pathway with the ratio of target forcing s15_gr_forc_os to current forcing p15_forc_magicc. The offset is only there to increase the speed of convergence, the values have no physical meaning. For low stabilization targets (rcp2.0, rcp2.6, rcp3.7) the target is the 2100 forcing target (s15_rcpCluster eq 1), for lower targets the forcing target is valid during the full century (s15_rcpCluster eq 0).

  if (cm_emiscen eq 9, 
  
    display pm_taxCO2eq, s15_gr_forc_os, p15_forc_magicc;
  
    if (s15_rcpCluster eq 1,
       pm_taxCO2eq(t,regi)
       = 
         pm_taxCO2eq(t,regi)
       * ((p15_forc_magicc("2100") - s15_forcing_budgetiterationoffset_tax - max(0,(cm_startyear-2020)/20))
       / (s15_gr_forc_os       - s15_forcing_budgetiterationoffset_tax - max(0,(cm_startyear-2020)/20)))**1.2
       ;
     
     elseif (s15_rcpCluster eq 0),
       pm_taxCO2eq(t,regi)
       = 
         pm_taxCO2eq(t,regi) 
       * ((smax(tall,p15_forc_magicc(tall)) - s15_forcing_budgetiterationoffset_tax - max(0,(cm_startyear-2020)/20))
       / (s15_gr_forc_nte       - s15_forcing_budgetiterationoffset_tax - max(0,(cm_startyear-2020)/20)))**1.2
       ;
      );
    pm_taxCO2eq(t,regi)$(t.val gt 2110) = pm_taxCO2eq("2110",regi); !! to prevent huge taxes after 2110 and the resulting convergence problems, set taxes after 2110 equal to 2110 value
    display pm_taxCO2eq;
    );
);

In this realization, concentration, forcing, and temperature values are calculated using a MAGICC6.4. MAGICC is run in between iterations and can be used to adapt carbon tax pathways and budgets to meet a give climate target.

Limitations There are no known limitations.

(C) off

Limitations There are no known limitations.

Definitions

Objects

module-internal objects (A: box | B: magicc | C: off)
  Description Unit A B C
p15_conroh
(tall)
concentration of OH, derived from ACC2 x
p15_conroh_interpol
(tall)
auxiliary parameter x
p15_emicapregi
(tall, all_regi)
regional emission caps, used for calculation of global emission cap x x
p15_epsilon
(tall)
discounting parameter of emissions according to the IRF function x
p15_forc_magicc
(tall)
actual radiative forcing as calculated by magicc \(W/m^2\) x x
p15_gmt_conv global mean temperature convergence x
p15_gmt0
(tall)
global mean temperature convergence saved for the next iteration x
p15_oghgf_crbbb
(tall)
exogenous forcings from RCP: carbonaceous aerosols from biomass burning x x x
p15_oghgf_ffbc
(tall)
exogenous forcings from RCP: black carbon from fossil fuels x x x
p15_oghgf_ffoc
(tall)
exogenous forcings from RCP: organic carbon from fossil fuels x x x
p15_oghgf_h2ostr
(tall)
exogenous forcings from RCP: stratospheric water vapor x x x
p15_oghgf_hfc
(tall)
exogenous forcings from RCP: HFCs x x x
p15_oghgf_luc
(tall)
exogenous forcings from RCP: albedo change due to land-use change x x x
p15_oghgf_minaer
(tall)
exogenous forcings from RCP: mineral dust x x x
p15_oghgf_montreal
(tall)
exogenous forcings from RCP: montreal gases x x x
p15_oghgf_nitaer
(tall)
exogenous forcings from RCP: nitrates x x x
p15_oghgf_o3str
(tall)
exogenous forcings from RCP: stratospheric ozone x x x
p15_oghgf_o3trp
(tall)
exogenous forcings from RCP: tropospheric ozone x x x
p15_oghgf_pfc
(tall)
exogenous forcings from RCP all in W/m^2: PFCs x x x
p15_oghgf_sf6
(tall)
exogenous forcings from RCP: SF6 x x x
p15_so2emi
(tall, all_enty)
parameter to update so2 emissions between iterations x
p15_ta_val
(tall)
auxiliary parameter x
q15_cc
(tall)
carbon cycle with prescriptor-corrector method x
q15_clisys
(tall)
temperature equations x
q15_clisys01
(tall)
temperature equations initial condition time scale 1 x
q15_clisys02
(tall)
temperature equations initial condition time scale 2 x
q15_clisys1
(tall)
temperature equations time scale 1 x
q15_clisys2
(tall)
temperature equations time scale 2 x
q15_concCH4Q
(tall)
CH4 concentration x
q15_concN2OQ
(tall)
N2O concentration x
q15_forc_kyo
(tall)
calculation of total radiative forcing of Kyoto gases x
q15_forc_os
(tall)
calculate forcing overshoot x
q15_forc_rcp
(tall)
calculation of rcp forcing x
q15_forcbc
(tall)
calculation of bc from fossil fuels forcing x
q15_forcCH4Q
(tall)
CH4 radiative forcing x
q15_forcco2
(tall)
calculation of co2 forcing x
q15_forcN2OQ
(tall)
N2O radiative forcing x
q15_forcoc
(tall)
calculation of oc from fossil fuels forcing x
q15_forcso2
(tall)
calculation of direct so2 forcing x
q15_forctotal
(tall)
calculation of total radiative forcing x
q15_interEMI
(ta10, ttot, FOB10)
interpolates timesteps of core model to one year timesteps x
q15_linkEMI
(ttot, ta10, all_enty, FOB10)
links total global emissions to the climate system x
s15_bc2005 black carbon emissions from fossil fuels in 2005 (Tg BC) x
s15_c0 preindustrial co2 in ppmv x
s15_c2000 concentration in 2000 in ppmv (multigas-boxmodel) x
s15_ca0 amplitude 0 of CC IRF x
s15_ca1 amplitude 1 of CC IRF x
s15_ca2 amplitude 2 of CC IRF x
s15_ca3 amplitude 3 of CC IRF x
s15_cconvi conversions factor gtc into ppmv x
s15_CNVCH4 Conversion factor from mass (TgCH4) to concentration (ppb) \(TgCH4/ppb\) x
s15_CNVN2O Conversion factor from mass (TgN) to concentration (ppb) \(TgN/ppb\) x
s15_CONCH4PRE Preindustrial CH4 concentration \(ppb\) x
s15_CONN2O2000R Reference concentration of nitrous oxide in 2000 \(ppb\) x
s15_CONN2OPRE Preindustrial N2O concentration \(ppb\) x
s15_cq0 cumulated emissions 1750-1999 x
s15_cq1 cumulated emissions 1750-1999 decayed with s15_ctau1 x
s15_cq2 cumulated emissions 1750-1999 decayed with s15_ctau2 x
s15_cq3 cumulated emissions 1750-1999 decayed with s15_ctau3 x
s15_ctau1 time scale 1 of CC IRF x
s15_ctau2 time scale 2 of CC IRF x
s15_ctau3 time scale 3 of CC IRF x
s15_DELTAT Time step of model run \(yr\) x
s15_deltat_box box model time step lenght in yr x
s15_diffrad difference in 2100 radiative forcing to target x
s15_dso1990 direct aerosol forcing in 1900 (w per m2) x
s15_enatso2 natural so2 emissions (tgs per a) x
s15_fcodb radiative forcing for a doubling of co2 (w per m2) x
s15_forcing_budgetiterationoffset offset for the calculation of iteratively adjusted budget x
s15_forcing_budgetiterationoffset_tax offset for the calculation of iteratively adjusted budget x
s15_gr_conc CO2 concentration target \(ppm\) x
s15_gr_forc_kyo guardrail for 450 ppm Kyoto forcing, adapted between negishi iterations x x x
s15_gr_forc_kyo_gdx gdx value which may override the default x
s15_gr_forc_kyo_nte guardrail for 550 ppm Kyoto forcing, adapted between negishi iterations x x x
s15_gr_forc_kyo_nte_gdx gdx value which may override the default value x
s15_gr_forc_nte not to exceed radiative forcing target \(W/m^2\) x x
s15_gr_forc_os overshoot radiative forcing target from 2100 on \(W/m^2\) x x
s15_gr_temp guardrail for temperature anomaly relative to preindustrial \(K\) x
s15_iso1990 indirect aerosol forcing in 1900 (w per m2) x
s15_NATCH4 Natural methane emission \(TgCH4/yr\) x
s15_NATN2O Natural nitrous oxide emission \(TgN/yr\) x
s15_oc2005 organic carbon emissions from fossil fuels in 2005 (Tg OC) x
s15_OVERLEXP1 CH4-N2O overlap exponent \(1\) x
s15_OVERLEXP2 CH4-N2O overlap exponent \(1\) x
s15_OVERLFAC1 CH4-N2O overlap modeling factor \(W/m^2\) x
s15_OVERLFAC2 CH4-N2O overlap modeling factor \(1\) x
s15_OVERLFAC3 CH4-N2O overlap modeling factor \(1\) x
s15_rcpCluster clustering of rcp_scen for the iterative traget adjustment x
s15_RHOCH4 Coefficient for CH4 radiative forcing calculation \(W/(m^2*ppb^0.5)\) x
s15_RHON2O Coefficient for N2O radiative forcing calculation \(W/(m^2*ppb^0.5)\) x
s15_RPCTA1 amplitude 1 (temperature response) x
s15_RPCTA2 amplitude 2 (temperature response) x
s15_RPCTT1 time scale 1 (temperature response) (per year) x
s15_RPCTT2 time scale 2 (temperature response) (per year) x
s15_SENTAUN2O Sensitivity coefficient of N2O lifetime \(ln(yr)/ln(ppb)\) x
s15_so1990 so2 emissions in 1990 (tgs per a) x
s15_TAUCH4OH Methane lifetime with respect to OH depletion \(yr\) x
s15_TAUCH4SS Methane lifetime with respect to stratospheric depletion and soil uptake \(yr\) x
s15_TAUN2O nitrous oxide lifetime \(yr\) x
s15_temp2000 temperature increase in 2000 in K x
s15_tempOffset2010 mean temperature in 2010 from MAGICC x
s15_tsens climate sensitivity for a doubling of co2 x
v15_conc
(tall, FOB10)
Atmospheric concentrations of direct and indirect forcing agents within the box model x
v15_emi
(tall, FOB10)
Anthropogenic emissions (both energy and non-energy related emissions) x
v15_forcComp
(tall, FOBBOX10)
radiative forcing of box multi forcing agents x
v15_forcKyo
(tall)
radiative forcing of box Kyoto gases x
v15_forcRcp
(tall)
radiative forcing from agents considered in the RCPs (total forcing excluding LUC, MINAER, NITAER) x
v15_slackForc
(tall)
slack variable to calculate forcing overshoot x
v15_temp
(tall)
global mean temperature x
v15_tempFast
(tall)
temperature in fast box x
v15_tempSlow
(tall)
temperature in slow box x

Sets

sets in use
  description
all_enty all types of quantities
all_regi all regions
descr_box(descr) ???
emiaer(all_enty) ???
emiaer2climate10(emiaer, FOB10) ???
emis2climate10(all_enty, FOB10) ???
enty(all_enty) all types of quantities
FOB10 Forcing agents and ozone depleting substances with specified emissions
FOBBOX10 forcing agents for box-multigas model including aerosols and oghg
FOBEMI(FOB10) REMIND-emissions-related forcings
in(all_in) All inputs and outputs of the CES function
iteration iterator for main (Negishi/Nash) iterations
modules all the available modules
regi(all_regi) all regions used in the solution process
run iterator for performance test iterations
t(ttot) modeling time, usually starting in 2005, but later for fixed delay runs
ta10(tall) points in time for ACC2
ta2ttot10(ta10, ttot) transformation parameter ta10 and ttot
tall time index
ttot(tall) time index with spin up
ttot2ta10(ttot, ta10) transformation parameter ttot and ta10

Authors

Jessica Strefler, Michaja Pehl, Christoph Bertram

See Also

02_welfare, core

References