Geology Fluid Inclusion Salinity From Ice Melting Calculator

Bodnar 1993 NaCl-water ice liquidus 1.78d−.0442d²+.000557d³ wt%NaCl equivalent, not mixed salt composition; final ice melting not homogenization. Caller independently establishes matching units, evidence, method edition and applicability; output is not compliance, diagnosis, work-safety approval, geological identity or validated hazard prediction.

Description

An ice-melting-temperature relation estimates salinity for the adopted water–sodium-chloride equivalent model.

An ice-melting-temperature relation estimates salinity for the adopted water–sodium-chloride equivalent model.1

Other dissolved components and phase behavior can make that estimate inappropriate for a particular fluid inclusion. Use this tool to calculate fluid inclusion salinity from ice melting from the supplied measurements and assumptions.

When to use Geology Fluid Inclusion Salinity From Ice Melting Calculator

Use this tool to calculate fluid inclusion salinity from ice melting from the supplied measurements and assumptions. Establish the measurement units, sampled interval, calibration or model edition and geological assumptions before entering data.

How to use Geology Fluid Inclusion Salinity From Ice Melting Calculator and understand its results

  1. Establish the measurement units, sampled interval, calibration or model edition and geological assumptions before entering data.
  2. Enter finalIceMeltingTemperaturesC, using the field meanings and rules below, then run the tool.
  3. Read naclEquivalentWeightPercents. Interpret the fields using their units, signs and evidence conventions below.
  4. If input validation fails, correct the reported field and run again. Before applying the result, check reference scope, model assumptions and any missing evidence or placeholder values.
Input fieldMeaningValue typeRequirement
finalIceMeltingTemperaturesCFinal ice melting temperatures clist of numberRequired

Enter final ice-melting temperatures between −21.2 and 0 Celsius inclusive. Set depression to minus that temperature and evaluate the committed cubic water–NaCl-equivalent calibration in weight percent. No multicomponent solution chemistry or measurement uncertainty is supplied.

NaClEquivalentWtPercent=1.78d−0.0442d²+0.000557d³, d=−temperatureC

Use the exact units, boundary rules, ordering and missing-evidence conventions above.

Output fieldMeaningValue type
naclEquivalentWeightPercentsNacl Equivalent Weight Percents; follow the units, sign, ordering and evidence convention stated abovelist of number
json
{
  "input": {
    "finalIceMeltingTemperaturesC": [
      0,
      -10
    ]
  },
  "output": {
    "naclEquivalentWeightPercents": [
      0,
      13.937
    ]
  }
}

Limitations and assumptions

Other dissolved components and phase behavior can make that estimate inappropriate for a particular fluid inclusion. Interpretation depends on the units, sampling scope and exact model described above.

All listed fields require explicit values. Unexpected fields, incorrect types, nonfinite numbers and sparse evidence arrays fail validation; the specific bounds and alignment requirements are stated above. Extremely large inputs or outputs can also be rejected. An input error is distinct from a successful result reporting false, no matches or missing evidence.

Alternative or Complementary methods

Use Geology Luminescence Equivalent Dose Calculator for this related task: An equivalent-dose interpretation relies on a laboratory response calibration with an appropriate measurement protocol.

Use Geology Fluid Inclusion Homogenization Temperature Calculator when its separate inputs and assumptions fit the question: Fluid-inclusion homogenization temperatures are observations made under a matched inclusion-family and heating protocol.

References

  1. Geology Fluid Inclusion Salinity From Ice Melting Calculator — tool.io

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