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sci.thermohaline-density Calculator
Calculates thermohaline seawater density from temperature and salinity using the full UNESCO EOS-80 equation of state with pressure dependence. Thermohaline circulation is driven by density differences — North Atlantic Deep Water (T ≈ 2 °C, S ≈ 35 psu) sinks and flows southward at depth.
Inputs
Temperature C
Thermal state of the substance. Check whether the formula needs Celsius, Fahrenheit, or Kelvin (K = °C + 273.15).
Salinity Psu
Reference formula or conversion factor shown for context.
Pressure Dbar
Force per unit area (Pa). Atmospheric pressure at sea level: 101,325 Pa. Check whether gauge or absolute pressure is required.
Results
seawater density (kg/m³)
The value at the specified point or condition.
density anomaly σt
Sample size or count used in the calculation.
temperature effect
The change in the property attributable to the temperature difference. Many material properties are temperature-dependent.
salinity effect
Sample size or count used in the calculation.
UNESCO EOS-80 simplified
Sample size or count used in the calculation.
typical range
The difference between the maximum and minimum values.