Revelle Factor Buffer Lookup
Observed normalized finite pCO2/DIC response at independently fixed state, not universal carbonate buffering lookup or alkalinity conversion. Caller independently establishes units, regime, calibration and applicability; this does not establish design-code compliance, authenticity, operational safety, treatment efficacy or a validated forecast.
Description
The Revelle factor describes a normalized carbon-dioxide response to a change in dissolved inorganic carbon at a matched state.
The Revelle factor describes a normalized carbon-dioxide response to a change in dissolved inorganic carbon at a matched state.1
This calculation is a finite-difference observation, so the states and held conditions matter.
When to use Revelle Factor Buffer Lookup
Use this tool to calculate or review the supplied observations under the stated rules. Match the observation interval, units, datum, coordinate signs and model regime.
How to use Revelle Factor Buffer Lookup and understand its results
- Match the observation interval, units, datum, coordinate signs and model regime.
- Enter observedReferencePco2Pa, observedPerturbedPco2Pa, observedReferenceDicMolM3, observedPerturbedDicMolM3, callerOtherCarbonateStateHeldFixedVerified, using the field meanings and rules below, then run the tool.
- Read finitePerturbationRevelleFactor. Inspect nested result fields where present, and review unknown records separately from known matches.
- Correct any reported input issue and run again. Before using a successful result, check the stated units, signs, reference scope and observation coverage.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| observedReferencePco2Pa | Observed reference pco2 pa | number | Required |
| observedPerturbedPco2Pa | Observed perturbed pco2 pa | number | Required |
| observedReferenceDicMolM3 | Observed reference dic mol m3 | number | Required |
| observedPerturbedDicMolM3 | Observed perturbed dic mol m3 | number | Required |
| callerOtherCarbonateStateHeldFixedVerified | Caller other carbonate state held fixed verified | boolean | Required |
Require all four pCO2 and DIC observations positive and the independent fixed-state flag true. The two DIC values must differ. Divide relative pCO2 change by relative DIC change and retain the sign.
R=(pCO2_2/pCO2_1−1)/(DIC_2/DIC_1−1) Use the matching field units and the exact boundary, ordering and reference rules above.
| Output field | Meaning | Value type |
|---|---|---|
| finitePerturbationRevelleFactor | Finite perturbation revelle factor | number |
{
"input": {
"observedReferencePco2Pa": 40,
"observedPerturbedPco2Pa": 44,
"observedReferenceDicMolM3": 2,
"observedPerturbedDicMolM3": 2.1,
"callerOtherCarbonateStateHeldFixedVerified": true
},
"output": {
"finitePerturbationRevelleFactor": 2
}
}Limitations and assumptions
The stated observation or model covers only the supplied record and reference regime. It does not fill missing measurements, supply uncertainty estimates or produce a validated forecast.
Missing required fields, unknown fields, wrong types and violated rules return input issues. Numeric values and outputs must be finite.
Alternative or Complementary methods
For a related step, use Redfield Ratio NP Checker: Nitrogen-to-phosphorus ratios depend on whether inventories are expressed in moles or mass. For a complementary comparison, use Apparent Oxygen Utilization AOU Calculator: Apparent oxygen utilization is saturation oxygen minus observed oxygen in matched units.
References
-
Revelle Factor Buffer Lookup — tool.io
Similar or alternative tools
- Redfield Ratio NP Checker
Nitrogen-to-phosphorus ratios depend on whether inventories are expressed in moles or mass.
- Apparent Oxygen Utilization AOU Calculator
Apparent oxygen utilization is saturation oxygen minus observed oxygen in matched units.