Procedure Seasons/Climate Simulation Assignment Copy the following link for the

Question

Procedure Seasons/Climate Simulation Assignment

Copy the following link for the simulation model and open in a different tab on your internet browser:  https://www.learner.org/courses/envsci/interactives/carbon/carbon.html

The data for the simulation model for a Deforestation Rate of 1GT and a Fossil Fuels Use of 2% has already been recorded in your data Table 1 and Table 2.

Keeping the Net Deforestation Rate at 1 GT change the fossil fuel use to 2.5%, 2.8%, 3.0%, 3.2%, 3.4%, 3.6%, 3.8% and 1.5% making sure to press the Run Decade button after each change and record the ppm CO2 in and corresponding year in the Table 1 below.

Keeping the Fossil Fuel Use constant at 2% change the Net Deforestation Rate to 1.4 GT, 1.8 GT, 2.2 GT, 2.6 GT, 3.0 GT, 3.6 GT, 4.0 GT and 0.5 GT making sure to press the Run Decade button after each change and record the ppm CO2 and corresponding year in the Table 2 below.

Write one paragraph for Table 1 and one paragraph for Table 2 explaining what the data is telling you.

Table 1 – Effect of Fossil Fuel Use on CO2 (Change Fossil Use –Keep Deforestation Same)

Year

Change in Fossil Fuel Use

(%)

Net Deforestation Rate per Yr

(GT)

CO2

(ppm)

2010

2

1

391

2020

2.5

1

2030

2.8

1

2040

3.0

1

2050

3.2

1

2060

3.4

1

2070

3.6

1

2080

3.8

1

2090

0.5

1

Table 2 – Effect of Deforestation on CO2 (Change Deforestation –Keep Fossil Use Same)

Year

Change in Fossil Fuel Use

(%)

Net Deforestation Rate per Yr

(GT)

CO2

(ppm)

2010

2

1

391

2020

2

1.4

2030

2

1.8

2040

2

2.2

2050

2

2.6

2060

2

3.0

2070

2

3.4

2080

2

4.0

2090

2

0.5

Year

Change in Fossil Fuel Use

(%)

Net Deforestation Rate per Yr

(GT)

CO2

(ppm)

2010

2

1

391

2020

2.5

1

2030

2.8

1

2040

3.0

1

2050

3.2

1

2060

3.4

1

2070

3.6

1

2080

3.8

1

2090

0.5

1

Explanation / Answer

Year

Change in Fossil Fuel Use

(%)

Net Deforestation Rate per Yr

(GT)

CO2

(ppm)

2010

2

1

391

2020

2.5

1

2030

2.8

1

2040

3.0

1

2050

3.2

1

2060

3.4

1

2070

3.6

1

2080

3.8

1

2090

0.5

1

Year

Change in Fossil Fuel Use

(%)

Net Deforestation Rate per Yr

(GT)

CO2

(ppm)

2010

2

1

391

2020

2

1.4

2030

2

1.8

2040

2

2.2

2050

2

2.6

2060

2

3.0

2070

2

3.4

2080

2

4.0

2090

2

0.5

In Table 2, keeping the fossil fuel use constant, it can be seen that the stimualted line is below the projected line till 2070, & only crosses the projected line in 2080 & 2090. The curve shows and increasing trend in the conc of CO2 in the atmopshere. Since the rate of deforestation is changing and that leads to the increase of CO2 conc.

Year

Change in Fossil Fuel Use

(%)

Net Deforestation Rate per Yr

(GT)

CO2

(ppm)

2010

2

1

391

2020

2.5

1

427

2030

2.8

1

463

2040

3.0

1

504

2050

3.2

1

550

2060

3.4

1

632

2070

3.6

1

785

2080

3.8

1

1003

2090

0.5

1

1335

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