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Internal wave atlas for Northern Australia

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Internal wave atlas for Northern Australia

Python toolbox to visualise and extract predictions of internal tide-related quantities including:

  • sea surface height perturbation
  • eastward and northward baroclinic velocity
  • isotherm displacement amplitude
  • vertical density stratification

Predictions can be a single point in time and space or many points.

Potential uses:

  • SSH to compare with altimetry
  • Derive boundary and initial conditions for a KdV-type internal wave model
  • Extract baroclinic velocity boundary conditions for a regional ocean model

Tutorials

  1. An interactive tutorial is available to play with on binder: Binder
  2. A more thorough overview of the tools are available in this notebook: Binder
  3. Example of how to make surface baroclinic velocity predictions: Binder

(Note that the binder computing instance will likely run out of memory for this example.)

There are a number of less-polished example/testing notebooks in the sandpit.

Installation

Local development version:

git clone https://github.com/mrayson/iwatlas

pip install -e .

Using pip:

pip install git+https://github.com/mrayson/iwatlas.git@master

Documentation

TBC. Use the tutorials as a guide for now.

Downloads

Background

  • The original code to generate the atlas from SUNTANS output is in this repository

  • A paper has been submitted to JGR-Oceans outlining the harmonic model details. A preprint is here


Matt Rayson

University of Western Australia

July 2019

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