Flotation Thickness Draft Calculator

Floatinguniformhydrostatictotalthicknessdraft×ρwater/ρice,not suppliedthicknessdraftfractionforcecheck. Actual independent units,calibration,measurement definitions/coverage and model applicability;not a climate forecast,causal determination,geodesy operation or safe travel/design approval.

Description

A floating uniform slab's measured draft can imply its total thickness when ice and water densities are known.

A floating uniform slab's measured draft can imply its total thickness when ice and water densities are known.1

The relation requires ice density lower than the supporting water density.

When to use Flotation Thickness Draft Calculator

Use this tool to apply the stated flotation thickness draft calculator operation with an explicit input and unit basis.

How to use Flotation Thickness Draft Calculator and how it works

  1. Establish the measurement basis and units described above.
  2. Enter actualMeasuredDraft, callerActualWaterDensity, callerActualIceDensity and run the tool.
  3. Read result.value using the output meanings below.
  4. If input is rejected, correct the stated type, range, ordering or alignment issue and rerun; review successful results under the declared convention.
Input fieldMeaningValue typeRequirement
actualMeasuredDraftMeasured draft, on the basis specified in the algorithm.numberrequired; finite; nonnegative; further conditions in the algorithm
callerActualWaterDensityWater density, on the basis specified in the algorithm.numberrequired; finite; strictly positive; further conditions in the algorithm
callerActualIceDensityIce density, on the basis specified in the algorithm.numberrequired; finite; strictly positive; further conditions in the algorithm

Require nonnegative draft and positive densities with ice less dense than water. Multiply draft by water density divided by ice density.

total thickness = draft × ρwater/ρice

Apply the declared units, ordering and branch conditions.

Output fieldMeaningValue type
resultObject containing the declared output fields.object
result.valueConditional total floating thickness in the measured draft unit.number
json
{
  "input": {
    "actualMeasuredDraft": 1,
    "callerActualWaterDensity": 2,
    "callerActualIceDensity": 1
  },
  "output": {
    "result": {
      "value": 2
    }
  }
}

Limitations and assumptions

The output applies the declared operation to the values you supply. Establish the measurement basis, units, coefficients and any caller-selected rules before interpreting it. The tool does not independently collect or verify observations or decide whether a model or reference applies. The simplified geometry or force calculation does not establish structural capacity, flotation stability or safe travel conditions.

Supply explicit required fields with the documented types and dense aligned arrays. Unknown fields, wrong types and nonfinite numbers are rejected. Branch-specific constraints are explained above. A successful false boolean, negative signed difference, empty slice or unresolved tie is distinct from an input error. Very large inputs or outputs may be rejected by shared resource limits.

Alternative or Complementary methods

For a related operation, use Thickness From Volume Area Scaling Calculator. A volume–area scaling relation can imply conditional mean glacier thickness by dividing modeled volume by area.

For a related operation, use Tabular Iceberg Draft Checker. Uniform hydrostatic flotation predicts draft from total thickness and relative ice and water densities.

References

  1. Flotation Thickness Draft Calculator — tool.io

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