Carbon Flux Calculator
Calculate Net Ecosystem Exchange (NEE) from gross primary production and ecosystem respiration. Determine if an ecosystem is a carbon sink or source.
Inputs
gC/m²/yr
gC/m²/yr
hectares
Results
NEE
-200 gC/m²/yr
Flux Classification
Strong Carbon Sink
Net Ecosystem Production200 gC/m²/yr
Total Annual Carbon Flux-200 tonnes C
Total CO₂ Equivalent-732.8 tonnes CO₂
CO₂ per Hectare-7.33 tonnes CO₂/ha/yr
Carbon Use Efficiency0.17
Respiration Ratio (Rₑ/GPP)0.83
How to Use This Calculator
- Enter Gross Primary Production (GPP) and Ecosystem Respiration in gC/m2/year.
- Input the Ecosystem Area in hectares.
- Review Net Ecosystem Exchange (NEE) — negative values indicate carbon uptake (carbon sink).
- Check Net Ecosystem Production and Total Annual Carbon Flux for the site.
- Use CO2 per Hectare and Carbon Use Efficiency to compare sites or model carbon credit potential.
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