EITHER
| Ø | ORBuild the model as shown in the diagram and equation listing below. Time Bounds are INITIAL TIME = 1930, FINAL TIME = 2130, TIME STEP = 0.5, Units for Time: Year. |
cfc.mdl Equations
| CFC 11 destroyed = CFC 11 in Stratosphere / |
| lifetime of CFC 11 in stratosphere |
Units: Mkg/Year
| CFC 11 in Stratosphere = INTEG( |
| migration to stratosphere - CFC 11 destroyed, |
Units: Mkg
| CFC 11 in Troposphere = INTEG( |
| atmospheric CFC 11 releases - migration to stratosphere, |
Units: Mkg
lifetime of CFC 11 in stratosphere = 55
Units: Year
| migration to stratosphere = CFC 11 in Troposphere / |
| time to rise to stratosphere |
Units: Mkg/Year
time to rise to stratosphere = 5
Units: Year
This model is complete except for the variable atmospheric CFC 11 releases.
| Ø | Save it in the directory UserGuide\chap15 with a different name (e.g., mycfc.mdl). |
