// multi-utility computation suite · offline · instant · precise
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sci.tidal-prism Calculator
Calculates tidal prism (volume of water exchanged per tidal cycle) = A_basin × R, and flushing time = V_basin/tidal_prism. Tidal prism controls estuarine flushing and pollutant residence time — a tidal prism equal to basin volume gives flushing time of one tidal cycle; small prism means poor flushing.
Inputs
High Water Area Km2
Two-dimensional surface extent (m²). For complex shapes, break into simpler sub-shapes and sum.
Low Water Area Km2
Two-dimensional surface extent (m²). For complex shapes, break into simpler sub-shapes and sum.
Tidal Range M
Reference formula or conversion factor shown for context.
Results
tidal prism P (m³)
Reference formula or conversion factor shown for context.
tidal prism (×10⁶ m³)
Reference formula or conversion factor shown for context.
average inundated area (km²)
The arithmetic mean -- sum divided by count.
P = A_avg × R
Reference formula or conversion factor shown for context.
inlet stability (O\
Measure of how robust the system, structure, or process is to perturbations. Low stability means small changes can cause large deviations.
use
Reference formula or conversion factor shown for context.