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Advanced Survey Technologies Web-Applets

Web-applets for Sardine Habitat Plots, Sphere Target Strength Calculator, Kirchhoff-ray Mode Model, Stochastic Distorted Wave Born Approximation Model

Sardine Habitat Plots

Up-to-date and historical plots of potential sardine habitat in the Northeast Pacific.


Sphere Target Strength Calculator

Calculator used to find the Target Strength (TS) of a standard sphere.


Kirchhoff-ray Mode Model

Applet for calculating target strength of fish with swim bladders using the Kirchhoff-ray mode (KRM) model.


Stochastic Distorted Wave Born Approximation Model

Applet for calculating Target Strength of non-bladdered scatterers using the Stochastic Distorted Wave Born Approximation (SDWBA) model.

Last updated by Southwest Fisheries Science Center on December 18, 2023