Determination of the free parameter in the RM scenarios 2020 - 2100 selected country: China weighting P: 15%
  target is not met t / capita 8.32[1] global budget in Gt: 550
input value determination via "goal seek" target value of "goal seek" target is met
  Start macro
Goal Seek:
Determination of the free parameter of scenarios 1 - 6
so that the budget is adhered to.
RM scenarios: RM-1 const RM-2 exp RM-3 lin RM-4 quadr RM-5 rad RM-6 abs info
characteristics of the scenario   RRt const RRt exp RRt lin RRt quadr RRt rad RA const change rate 2019 average annual change rate 2018 - 2019
A corona effect should not be considered here.     only a negative RR_20 possible a positive RR_20 is also possible
(= increasing emissions after 2019)
 
      2 - 5
change rate 2020 (RR20)[2]   -8.65% -0.01% 2.30% 2.30% 2.30%  
 copy this RR_20 to 2 - 5
macro: finding budget
2.3%
3.5% 2.30%
initial value[3]   -8% 10% -1% 0 0 -473  
    RRt constant a a a a RA  
free parameters are determined by Goal Seek in such a way as that the budget is adhered to. -8.65% 76.43% -1.09193% 2.03697E+66      
  -3.77787E+16   -0.00107694 -0.03566368 -559.40[4]  
             
scenario 2020 - 2100; sheet 'RM' Mill. t 161,377 161,377 161,377 161,377 161,377 161,377
budget 2020 - 2100; sheet 'base data'[5] Mill. t 161,377 161,377 161,377 161,377 161,377 161,377
   
emissions 2100 scenario; sheet 'RM' Mill. t -236.40 -236.40 -236.40 -236.40 -236.40 -236.40  
Emin; sheet 'base data'[6] Mill. t -236.40 -236.40 -236.40 -236.40 -236.40 -236.40  
year  Emin is achieved   2074 2037 2051 2044 2060 2046
change rate 2030 / 1990   155% 392% 254% 317% 213% 240%
year emissions neutrailty[7] 2069 2037 2049 2043 2056 2045
At which level of emissions in 2019 (threshold value; TV) shall the annual percentage reduction be change into a constant annual reduction? RM 2 - 5: 413.68  Mill. t 3.50% 3.5%[8]
RM-1: 531.87  Mill. t 4.50% 4.5%[9] data macro 'finding budget':
macro: finding NNE
Specified emissions target   0%
Download a comprehensive mathematical description of the Regensburg Model Scenario Types: Current emissions target   0%
Mathematicel Description RM 1 - 6 Specified maximum global budget   Gt
Current global budget   Gt
dashboard check sum 0 is ok; 1 not ok
RM-1 const RM-2 exp RM-3 lin RM-4 quadr RM-5 rad RM-6 abs
budget is adhered to 0 0 0 0 0 0 0
emissions in 2100 not positive 0 0 0 0 0 0 0
no increasing emissions 0 0         0
check sum 0 0 0 0 0 0 0 data macro 'finding NNE':
E_2100 is negative but not equal to E_min 0 0 0 0 0 0   Specified emissions target   0.0%
Current emissions target   0.0%
Specified max. potential NNE   0.0%
Current potential NNE   0.0%
baseline potential NNE   0.0%
macro: finding weighting population
data macro 'finding weighting p.':
Specified emissions target   0.0%
Current emissions target   0.0%
Minimum or maximum weight P   0.0%
Current weighting population   0.0%
baseline weighting population   0.0%
global per capita   t
country per capita   t
macro: finding budget
data macro 'finding budget':
Specified year of emissions neutrality    
Current year of emissions neutraltity    
Specified maximum global budget   Gt
Current global budget   Gt
macro: finding NNE
data macro 'finding NNE':
Specified year    
Current year    
Specified max. potential NNE   0.0%
Current potential NNE   0.0%
baseline potential NNE   0.0%
macro: finding weighting population
data macro 'finding weighting p.':
Specified emissions target    
Current emissions target    
Minimum or maximum weight P   0.0%
Current weighting population   0.0%
baseline weighting population   0.0%
global per capita   t
country per capita   t

[1]
RM:
For countries with very low per capita emissions, it can be difficult to reach the minimum value for 2100.
[2]

Relative reduction or increase in emissions in 2020 compared to of 2019.
[3]
RM:
Please enter this value in the cell for the free parameter (gray cells), if the target value search (goal seek) should lead to an error message there.
[4]
Mill. t p.a.
[5]
input value sheet "base data"
[6]
input value sheet "base data"
[7]
RM:
first year negative emissions or zero
[8]
AW:
Plausible initial value
[9]
AW:
Plausible initial value