Use the following scenario to calculate the carbon flux in the atmosphere. The amount of carbon that enters the atmosphere through natural processes is 211.6 GtC/yr and the amount that leaves the atmosphere through natural processes in 213.8 GtC/yr. The amount of carbon released by burning fossil fuels is 5.5 GtC/yr. What is the carbon flux in the atmosphere?(1 point)

Responses

2.2 GtC/yr into the atmosphere
2.2 GtC/yr into the atmosphere

3.3 GtC/yr into the atmosphere
3.3 GtC/yr into the atmosphere

3.3 GtC/yr out of the atmosphere
3.3 GtC/yr out of the atmosphere

2.2 GtC/yr out of the atmosphere

1 answer

To calculate the carbon flux in the atmosphere, we can use the following equation:

\[ \text{Net Carbon Flux} = \text{Carbon In} - \text{Carbon Out} \]

Where:

  • Carbon In = Natural processes that add carbon to the atmosphere + Carbon from fossil fuel burning
  • Carbon Out = Natural processes that remove carbon from the atmosphere

Given data:

  • Carbon In from natural processes = 211.6 GtC/yr
  • Carbon Out from natural processes = 213.8 GtC/yr
  • Carbon In from fossil fuel burning = 5.5 GtC/yr

Now we can calculate Carbon In: \[ \text{Carbon In} = 211.6 , \text{GtC/yr} + 5.5 , \text{GtC/yr} = 217.1 , \text{GtC/yr} \]

Now we can calculate the Net Carbon Flux: \[ \text{Net Carbon Flux} = \text{Carbon In} - \text{Carbon Out} \] \[ \text{Net Carbon Flux} = 217.1 , \text{GtC/yr} - 213.8 , \text{GtC/yr} = 3.3 , \text{GtC/yr} \]

Since the net carbon flux is positive, it means that 3.3 GtC/yr is accumulating in the atmosphere.

Therefore, the carbon flux in the atmosphere is 3.3 GtC/yr into the atmosphere.