Equilibrium Tide Theoretical Amplitude Calculator

Convert independently resolved constituent tide-generating potential to equilibrium height with explicit solid-earth response factor, not observed harmonic tide prediction. 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

Equilibrium tide height relates a constituent’s tide-generating potential to gravity.

Equilibrium tide height relates a constituent’s tide-generating potential to gravity.1

A supplied response factor represents the chosen solid-earth convention rather than an observed tidal harmonic prediction.

When to use Equilibrium Tide Theoretical Amplitude Calculator

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 Equilibrium Tide Theoretical Amplitude Calculator and understand its results

  1. Match the observation interval, units, datum, coordinate signs and model regime.
  2. Enter callerTideGeneratingPotentialAmplitudeM2Second2, gravityMSecond2, callerIndependentElasticOceanResponseFactor, using the field meanings and rules below, then run the tool.
  3. Read equilibriumTideAmplitudeM. Inspect nested result fields where present, and review unknown records separately from known matches.
  4. Correct any reported input issue and run again. Before using a successful result, check the stated units, signs, reference scope and observation coverage.
Input fieldMeaningValue typeRequirement
callerTideGeneratingPotentialAmplitudeM2Second2Caller tide generating potential amplitude m2 second2numberRequired
gravityMSecond2Gravity m second2numberRequired
callerIndependentElasticOceanResponseFactorCaller independent elastic ocean response factornumberRequired

Require nonnegative potential and response factor plus positive gravity. Divide potential by gravity and multiply by the response factor.

height=potential×responseFactor/gravity

Use the matching field units and the exact boundary, ordering and reference rules above.

Output fieldMeaningValue type
equilibriumTideAmplitudeMEquilibrium tide amplitude mnumber
json
{
  "input": {
    "callerTideGeneratingPotentialAmplitudeM2Second2": 2,
    "gravityMSecond2": 10,
    "callerIndependentElasticOceanResponseFactor": 0.7
  },
  "output": {
    "equilibriumTideAmplitudeM": 0.13999999999999999
  }
}

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 Form Number F Ratio Classifier: A tidal form number compares diurnal with semidiurnal constituent amplitudes. For a complementary comparison, use Storm Surge Hydrostatic Contribution Calculator: Atmospheric pressure changes contribute to sea-level anomalies through the inverse-barometer balance.

References

  1. Equilibrium Tide Theoretical Amplitude Calculator — tool.io

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