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Research Vessel Fuel & CO₂

Oceanographic research vessels. Outside CII scope; per-science-day intensity is the benchmark used by the International Research Ship Operators (IRSO).

Ship typeWork boatResearch
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Formula, assumptions, and limits

CO2year=jFjCf,j\text{CO}_2^\text{year} = \sum_j F_j \cdot C_{f,j}
SymbolMeaningUnit
FjF_jMass of fuel jjt
Cf,jC_{f,j}CO₂ factort CO₂ / t fuel
Bench(Sciencedays/year)Bench (Science days / year)operational benchmarkd
dopd_\text{op}Operating daysd

Source: IRSO - International Research Ship Operators; IMO MEPC.364(79) - Cf conversion factors