Eggshell Porosity Incubation Mode Classifier

Estimate eggshell projected pore area under a monodisperse circular-pore approximation and caller comparison band; mean squared diameter differs from squared mean, and area porosity is not permeability, nesting mode or incubation conditions.

Description

Projected eggshell pore area differs from gas permeability.

Projected eggshell pore area differs from gas permeability. A circular monodisperse model converts count and diameter into a geometric fraction.

When to use Eggshell Porosity Incubation Mode Classifier

Use this tool to estimate eggshell projected pore area under a monodisperse circular-pore approximation and caller comparison band; mean squared diameter differs from squared mean, and area porosity is not permeability, nesting mode or incubation conditions.

Prepare the fossil measurements or occurrence records and the chosen calibration parameters. Retain the stated coordinate, age and measurement conventions.

How to use Eggshell Porosity Incubation Mode Classifier and understand its results

Prepare the fossil measurements or occurrence records and the chosen calibration parameters. Retain the stated coordinate, age and measurement conventions.
Enter eggshellPoreCounts, meanPoreDiametersMicrometers, examinedShellAreasMm2, callerPorosityFractionBounds using the field table and calculation rules, then run the tool.
Read circularPoreAreaFractions, withinCallerPorosityBandFlags. The explanation below defines the units, signs, ordering and any flags or placeholder values.
If the tool reports an input issue, correct the values and run it again. Apply the stated assumptions when interpreting a successfully returned result.

Input field	Meaning	Value type; see rules below	Requirement
eggshellPoreCounts	Eggshell pore counts	list of number	Required
meanPoreDiametersMicrometers	Mean pore diameters micrometers	list of number	Required
examinedShellAreasMm2	Examined shell areas mm2	list of number	Required
callerPorosityFractionBounds	Caller porosity fraction bounds	list of number	Required

Align nonnegative integer counts with positive mean diameters and areas. Require modeled fractions in [0,1] and two ordered fraction bounds; flags include endpoints.^[1]

Paired lists must be nonempty and have equal lengths.

porosity = pore count × π × (diameter µm/2000)²/examined mm²

Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.

Output field	Meaning	Value type
circularPoreAreaFractions	Circular pore area fractions	list of number
withinCallerPorosityBandFlags	Within caller porosity band flags	list of number

json

{
  "input": {
    "eggshellPoreCounts": [
      10,
      20
    ],
    "meanPoreDiametersMicrometers": [
      10,
      20
    ],
    "examinedShellAreasMm2": [
      1,
      2
    ],
    "callerPorosityFractionBounds": [
      0.001,
      0.01
    ]
  },
  "output": {
    "circularPoreAreaFractions": [
      0.0007853981633974483,
      0.0031415926535897933
    ],
    "withinCallerPorosityBandFlags": [
      0,
      1
    ]
  }
}

Limitations and assumptions

Squared mean diameter is not mean squared diameter; nesting mode and incubation conditions are not inferred.

Numbers and computed results must be finite; overflow produces an error. Numeric lists are limited to 100,000 entries; the rules above may require smaller limits. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors.

Alternative or Complementary methods

Use Hydraulic Equivalence Settling Velocity: Invert measured fossil settling speed to a Stokes-equivalent reference sediment diameter and applicability Reynolds screen; unlike existing forward Stokes particle settling, the target is equivalent grain size, with non-creeping estimates flagged. For a complementary task, use Manganese Staining Coverage Percent: Aggregate caller identified manganese stain coverage from bone masks with physical pixel-area correction; staining chemistry, mineral identity and depositional history remain external.

References

Eggshell Porosity Incubation Mode Classifier — tool.io

Similar or alternative tools

Hydraulic Equivalence Settling Velocity
Invert measured fossil settling speed to a Stokes-equivalent reference sediment diameter and applicability Reynolds screen; unlike existing forward Stokes particle settling, the target is equivalent grain size, with non-creeping estimates flagged.
Manganese Staining Coverage Percent
Aggregate caller identified manganese stain coverage from bone masks with physical pixel-area correction; staining chemistry, mineral identity and depositional history remain external.