WOLFRAM SYSTEM MODELER
PPoll_Gen_AgrPersistent pollution generated by agricultural output |
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Wolfram Language
In[1]:=
SystemModel["SystemDynamics.WorldDynamics.World3.Utilities.PPoll_Gen_Agr"]
Out[1]:=
Information
This function is described on p.433 of Dynamics of Growth in a Finite World.
Parameters (2)
| agr_mtl_toxic_index |
Value: 1 Type: Real (1/dollar) Description: Agricultural materials toxicity index |
|---|---|
| fr_agr_inp_pers_mtl |
Value: 0.001 Type: Real Description: Effective fraction of agricultural pollution input |
Outputs (3)
| agr_inp_per_hect |
Type: Real (dollar/(hectare.yr)) Description: Agricultural input per hectare |
|---|---|
| arable_land |
Type: Real (hectare) Description: Total arable land |
| ppoll_gen_agr |
Type: Real (1/yr) Description: Persistent pollution generated by agricultural output |
Connectors (3)
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u1 |
Type: RealInput Description: First input variable |
|---|---|---|
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u2 |
Type: RealInput Description: Second input variable |
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y |
Type: RealOutput Description: Output variable |
Used in Components (1)
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SystemDynamics.WorldDynamics.World3 Pollution dynamics |