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Implementation Status

This document reflects the breaking Oceananigans-alignment refactor.

Current Core

  • RectilinearGrid is now a three-dimensional physical grid with x, y, and z faces.
  • QTransform uses the physical grid's vertical faces directly.
  • SpectralWaveModel defaults to advection=nothing, and accepts Oceananigans tracer advection schemes for horizontal physical transport.
  • Ripple-owned advection schemes, Hamiltonian transport operators, Simulation, diagnostic writers, dataset writers, and JLD2/NetCDF output backends have been removed.
  • Oceananigans is a hard dependency. CairoMakie is used by the literate examples for plots and MP4 movies.
  • SpectralWaveModel can be advanced by Oceananigans.Simulation, and examples use JLD2Writer directly for output.
  • WENO transport is covered by the integration suite.

Remaining Design Work

  • Expand transport validation beyond periodic deep-water propagation.
  • Couple physical transport velocities to CWCM/current fields.