Navid C. Constantinou

typst. A markup-based typesetting system that is powerful and easy to learn.

OceananigansLagrangianFilter.jl. A set of tools to perform online or offline Lagrangian filtering on Oceananigans.jl simulation output.

NumericalEarth.jl. 🌎 A framework for simulating the Earth system at all scales with prescribed or prognostic atmosphere, ocean, sea ice and land components

mantaray. Mantaray: A Rust Package for Ray Tracing Ocean Surface Gravity Waves

stashmap. The stashmap package provides functions to read and modify the stash and associated variables for the UM model.

PyEarthTools. PyEarthTools: Machine learning for Earth system science

NORiOceanParameterization.jl. Julia

OM2-emulator. Jupyter Notebook

access-model-scaling. Scaling data for the ACCESS models and the scripts to generate it

underworld3. Underworld v3

access-om3-paper-1. Plotting notebooks and discussion for ACCESS-OM3 model description paper

XESMF.jl. Julia wrapper around the python package xESMF

cosima-hackathon-2025-fork-and-pr. An introduction to forking repositories and making a pull request

WaveAveragedDecayingTurbulence. Julia

swot-omip. Entry point for the joint effort for leveraging SWOT ocean data for assessing ocean circulation models.

rudu. rudu is a high-performance, Rust-powered replacement for the traditional Unix du (disk usage) command. It was built to provide a safer, faster, and more extensible alternative for scanning and analyzing directory sizes — especially for large-scale or deep filesystem structures.

Breeze.jl. 🌪 Limited area LES-to-mesoscale atmosphere simulations based on Oceananigans

QG3.jl. Marshall Molteni QG3 Quasigeostrophic Atmospheric Model in Julia, GPU and AD enabled

dev-docs. ACCESS-NRI internal development documentation

EGU2025-Julia-intro-and-showcase-for-geoscience. Short course at EGU 2025 conference https://meetingorganizer.copernicus.org/EGU25/session/53623

THUNER. The Thunderstorm Event Reconnaissance (THUNER) package is a flexible toolkit for multi-feature detection, tracking, tagging and analysis of events in meteorological datasets.

ConservativeRegridding.jl. Conservative interpolation between two grids in two dimensions

scripps_kaust_model. The Scripps-KAUST Regional Integrated Prediction System (SKRIPS)

Reactant.jl. Optimize Julia Functions With MLIR and XLA for High-Performance Execution on CPU, GPU, TPU and more.

GB-25. Reusing AI compilation pipelines to optimize exascale climate simulations on traditional and cloud HPC systems

ocean-ensembles. A large ensemble of the ClimaOcean.jl model to understand long-term oceanic change vs natural variability

Tidejinks.jl. Hi-jinks for adding tides to ClimaOcean simulations

bad-licenses. A compendium of absurd "open-source" licenses.

SWELancer-Benchmark. This repo contains the dataset and code for the paper "SWE-Lancer: Can Frontier LLMs Earn $1 Million from Real-World Freelance Software Engineering?"

access-om3-configs. ACCESS-OM3 MOM6-CICE6 configurations with optional WW3 and Wombat. All the configurations use the Payu and pre-built executables available on NCI.. Admins are @anton-seaice @chrisb13 @dougiesquire @ezhilsabareesh8 @minghangli-uni

aerobulk. AeroBulk is a modern-FORTRAN-based package/library that gathers state-of-the-art aerodynamic bulk formulae algorithms used to compute turbulent air-sea fluxes of momentum, heat and freshwater.

drakkar2025-demo-oceananigans. Material for the demonstration session on Oceananigans during https://drakkar2025.sciencesconf.org

marine-atmospheric-boundary-layer-LES. Repo for LES project looking at submesoscale air-sea fluxes using Oceananigans

darktable. darktable is an open source photography workflow application and raw developer

MW-perturb-ASC. Jupyter Notebook

eo-tides. Tide modelling tools for large-scale satellite Earth observation analysis

NAO-vorticity-budget-gyres. Notebooks to reproduce figures for Bhagtani et al. (2025).

StraitFlux. StraitFlux calculates oceanic transports and crosssections on different model grids.

CubedSphere.jl. Tools for generating cubed sphere grids and solving partial differential equations on the sphere.

KSA_Observations_Modelling. Jupyter Notebook

atmosphere-cookbook. An Atmospheric Cookbook 📔 of Recipes for analysing regional or global atmospheric model output. 👩🏽‍🍳 👨🏻‍🍳

climlab. Python package for process-oriented climate modeling

cms-wiki. CSS

PyRADS. A line-by-line longwave radiation code for planetary atmospheres.

climlab. Python package for process-oriented climate modeling

aus2200-intake. An intake catalogue for the AUS2200 simulations collection

AllocCheck.jl. AllocCheck

computational-thinking-template. Template to build a course webpage like the *Introduction to computational thinking with Julia* course tought at MIT

FTorch. A library for directly calling PyTorch ML models from Fortran.

xwmb. xWMB is a Python package that provides a efficient and lazy computation of Water Mass Budgets in arbitrary sub-domains of C-grid ocean models.

SwimLessons.jl. Tutorials and scripts that teach ocean-flavored fluid dynamics with Oceananigans

great-puzzles. A curated list of great puzzles

ReallyBigSimulations. Demonstrates how to use a LocalPreferences.toml (in particular, to use CUDA.jl's unified memory for really big simulations with Oceananigans.jl)

FriendsDontLetFriends. Friends don't let friends make certain types of data visualization - What are they and why are they bad.

QG_ACC_1layer. Quasi-geostropic code for a barotropic, 1-layer flow on a periodic domain under the influence of a mean homogeneous wind stress.

julia-gpu-course-2023. GPU Programming with Julia 2023 - course at the Swiss National Supercomputing Centre (CSCS), ETH Zurich

Julia-intro-for-geoscience-EGU2024. https://meetingorganizer.copernicus.org/EGU24/session/49443

regional-mom6-feedstock. A conda-smithy repository for regional-mom6.

streamjoy. 🌈😊 Enjoy animating images into GIFs and MP4s in parallel!

climateoftheocean. NEW: https://iow-lectures.pages.io-warnemuende.de/climateoftheearth/ Climate of the Ocean In this class you will get an introduction to fundamental processes of the climate system.

climate-course-content. Fork for curriculum development pod led by Abigale Wyatt (Day Lead, IPCC physical basis)

idealised-ASC. Jupyter notebooks to reproduce figures for paper

COARE-algorithm. Repository of the COARE bulk air-sea flux algorithm in python, matlab, and fortran.

AwesomeOceananigans. Awesome Oceananigans models, simulations, visualizations, and analysis

StochasticStir.jl. Twist it, spin it, but randomly.

JLD2.jl. HDF5-compatible file format in pure Julia

SpeedyWeather.jl. Play atmospheric modelling like it's LEGO.

Unrolled.jl. Unrolling loops at compile-time

what-is. Important concepts in numerical linear algebra and related areas

TimesDates.jl. Nanosecond resolution for Time and Date, TimeZones

juliaup. Julia installer and version manager

FFTW.jl. Julia bindings to the FFTW library for fast Fourier transforms

narrator. David Attenborough narrates your life

double_pendulum. Solving and animating the double pendulum in Julia

TurbulentImages.jl. Images of turbulence. Wait no, is it turbulence of images?

topographic-NIWs. This repository hosts the material for the manuscript titled "Topographically-generated near-internal waves as a response to winds over the ocean surface

TurbulentWords.jl. Make turbulence with words

Stochastic_Latent_Transformer. Code for the paper: 'Stochastic Latent Transformer: Efficient Modelling of Stochastically Forced Zonal Jets'

TwoLayerDirectNumericalShenanigans.jl. Two layer Direct Numerical Simulations using Oceananigans.jl

LightningCubedSphere.jl. Julia

tasman-tides. An internal waves experiment in the Tasman sea using GFDL's MOM6

MatrixEquations.jl. Solution of Lyapunov, Sylvester and Riccati matrix equations using Julia

BoundaryLayerDynamics.jl. Turbulence-resolving simulations of boundary-layer flows (DNS & LES)

BeautifulMakie. Web page with basic examples showing how to use makie in julia

DocumenterCitations.jl. DocumenterCitations.jl uses Bibliography.jl to add support for BibTeX citations and references in documentation pages generated by Documenter.jl.

MakiePublication.jl. A Julia package for producing publication quality figures based on Makie.jl.

xinvert. Invert geophysical fluid dynamic problems (elliptic partial differential equations) using SOR iteration method.

YAXArrays.jl. Yet Another XArray-like Julia package

WaterLily.jl. Fast and simple fluid simulator in Julia

pykoopman. A package for computing data-driven approximations to the Koopman operator.

Preconditioners.jl. A few preconditioners for iterative solvers.

HiQGA.jl. High Quality Geophysical Analysis provides a general purpose Bayesian and deterministic inversion framework for various geophysical methods and spatially distributed / timeseries data

intel-one-mono. Intel One Mono font repository

logo. COSIMA logo

NCIHackaton2023.jl. Repo for the NCI-NVIDIA hackaton on June 2023

SingleColumnModelCalibration.jl. Oceananigans + ParameterEstimocean code for calibrating models of convective- and wind-driven mixing in the ocean surface boundary layer

regional-mom6. Automatic generation of regional configurations of the Modular Ocean Model 6 (MOM6) in Python

BaroclinicAdjustment.jl. Julia

access-om3. Deprecated source code repo for ACCESS-OM3 global ocean-sea ice-wave coupled model

latexdiffAMS. TeX

souvla_cooking_code. Codebase for the joint final project of MATH 704 and MATH 801, completed during the first year of my PhD in Mathematics at UW–Madison.

internal_waves_Oceananigans. Jupyter Notebook

separating-balanced. Jupyter Notebook

OceanBioME.jl. 🌊 🦠 🌿 A fast and flexible modelling environment written in Julia for modelling the coupled interactions between ocean biogeochemistry, carbonate chemistry, and physics

ClimaOceanBiogeochemistry.jl. Biogeochemistry model for Clima-Ocean

MultiDocumenter.jl. Aggregating all the docs

DynamicalSystems.jl. Award winning software library for nonlinear dynamics and nonlinear timeseries analysis

DoubleTrouble.jl. Coupling Oceananigans simulations

xarray. N-D labeled arrays and datasets in Python

most-active-github-users-counter. CLI tool that queries the GitHub GraphQL API for users and ranks them according to number of contributions

ClimaSeaIce.jl. 🧊 Coupled and stand-alone simulations of sea ice for Earth system modeling

ParallelStencil.jl. Package for writing high-level code for parallel high-performance stencil computations that can be deployed on both GPUs and CPUs

ClimaAtmos.jl. ClimaAtmos.jl is an atmosphere model that is designed to leverage data assimilation and machine learning tools for modeling and calibrating subgrid-scale processes.

Distances.jl. A Julia package for evaluating distances (metrics) between vectors.

TidalTrickery.jl. Stationary and time-dependent tides with Oceananigans

ReplGPT.jl. A ChatGPT mode for the Julia REPL

ACCESS-OM2-01_EcologicallyRelevantVariables. This repository contains all material necessary to reproduce the figures and summary statistics presented in the publication Analysis of ecologically relevant sea ice and ocean variables for the Southern Ocean using a high-resolution model to inform ecosystem studies.

SeawaterPolynomials.jl. Polynomials for efficiently computing the density of seawater

bathymetry-tools. Fortran

dask-tutorial. NCAR/CISL Dask Tutorial (Spring 2023)

OceanScalingTests.jl. Scaling experiments for the multi-GPU GCM mode of Oceananigans.jl

doi2cff. Generate a CFF file using the metadata from a software release on Zenodo.

macos-terminal-themes. Color schemes for default macOS Terminal.app

MPAS_Ocean_Julia. Jupyter Notebook

inception. How to fine tune the DOI record on Zenodo

GFlops.jl. Estimate the absolute performance of a piece of Julia code

kae-cyclones. Use of Koopman Autoencoders for Cyclone Prediction

GeoMakie.jl. Geographical plotting utilities for Makie.jl

neutralocean. Calculate neutral surfaces in the ocean, using Python

xeofs. Comprehensive EOF analysis in Python with xarray: A versatile, multidimensional, and scalable tool for advanced climate data analysis

MeshArrays.jl. Gridded Earth variables, domain decomposition, and climate model C-grid support

FastBroadcast.jl. Julia

ACCESS-Hive-Docs. Documentation hub for the Earth System models, ACCESS, and their community. @heidinett and @bschroeter are admins

SciMLStyle. A style guide for stylish Julia developers

Bioceananigans.jl. Bringing life to physics on Oceananigans

PDEBench. PDEBench: An Extensive Benchmark for Scientific Machine Learning

ClimaOcean.jl. 🌎 Regional-to-global coupled ocean and sea ice simulations based on Oceananigans

NumericalWaveTanks.jl. Numerical experiments simulating laboratory experiments

JuliaComputation. Repository for Common Ground C25

NorthAtlanticBloom. Simoes-Sousa IT, Tandon A, Pereira F, Lazaneo CZ and Mahadevan A (2022) Mixed layer eddies supply nutrients to enhance the spring phytoplankton bloom. Front. Mar. Sci. 9:825027. doi: 10.3389/fmars.2022.825027. Oceananigans simulation for the North Atlantic Phytoplankton Bloom.

MOM6CL-Figures. Jupyter Notebook

MARN-5061. MARN-5061 Advanced Dynamical Oceanography

PassiveTracerFlows_demos. Some demonstrations of passive tracer advection-diffusion

SnoopCompile.jl. Provide insights about latency (TTFX) for Julia packages

Makie.jl. Interactive data visualizations and plotting in Julia

RestrictProlong.jl. Efficient multigrid operators for Julia

JuliaCon2022-Oceananigans. Code for the hands-on Oceananigans workshop at JuliaCon 2022

MHDFlows.jl. Three Dimensional Magnetohydrodynamic(MHD) pseudospectral solvers written in julia with FourierFlows.jl

RoughOceanQGEnergetics. Repository with code for Palóczy and LaCasce (2022): "Instability of a surface jet over rough topography" (published in the Journal of Physical Oceanography).

GroupExpectations. A group expectations document.

GlobalShenanigans.jl. Julia

CUDA.jl. CUDA programming in Julia.

MPI.jl. MPI wrappers for Julia

PencilArrays.jl. Distributed Julia arrays using the MPI protocol

oceanmixedlayers. Ocean surface mixed layer calculation methods

julia-gpu-course. GPU Programming with Julia - course at the Swiss National Supercomputing Centre (CSCS), ETH Zurich

QuizQuestions.jl. Julia

ParameterEstimocean.jl. 🎲 Parameter estimation for Oceananigans using EnsembleKalmanProcesses

FlowSieve. FlowSieve coarse-graining code base

DataDrivenGMG.jl. Data-driven Geometric Multi-Grid solver for the discrete Poisson equation

Oceanostics.jl. Diagnostics for Oceananigans

drift. This constitutes the laboratory data from experiments collected at the flume facility at the University of North Carolina Wilmington, accompanying the article "How winds and ocean currents influence the drift of floating objects" by Wagner et al (Journal of Physical Oceanography, 2022) https://doi.org/10.1175/JPO-D-20-0275.1

Term.jl. Julia library for stylized terminal output

AlgebraicMultigrid.jl. Algebraic Multigrid in Julia

dl-cyclones. Repository for applying deep learning to cyclones on NCI.

OceanSciences2022-Oceananigans. Oceananigans "town hall" presented at the 2022 AGU Ocean Sciences

Revise.jl. Automatically update function definitions in a running Julia session

GroupManual. A repository for group-related management

easterlies-collaborative-project. Jupyter Notebook

OceanSciences2022-CATKE. "Formulation and calibration of a local diffusive closure for boundary layer turbulence" at AGU Ocean Sciences Meeting 2022

Topographic_Hotspots_Upwelling-Paper_Code. Analysis code for "Topographic Hotspots of Southern Ocean Upwelling"

ZonalFlow.jl. simulating zonal flows on the β-plane.

interactive. Interactive Pluto notebooks about ClimateMARGO.jl

ClimateMARGO.jl. Julia implementation of MARGO, an idealized climate-economic modelling framework for Optimizing trade-offs between emissions Mitigation, Adaptation, carbon dioxide Removal, and solar Geoengineering.

SymbolicNumericIntegration.jl. SymbolicNumericIntegration.jl: Symbolic-Numerics for Solving Integrals

xoverturning. ocean overturning in xarray

FractionalCalculus.jl. FractionalCalculus.jl: A Julia package for high performance, comprehensive and high precision numerical fractional calculus computing.

asymptotics-perturbation-methods. TeX

bagels. open source bagel recipe; let's raise the quality of bagels worldwide :bagel: :rocket:

AGUFall2021-Oceananigans. "Fast, friendly, flexible, and fun ocean modeling on CPUs and GPUs in Julia with Oceananigans.jl" at AGU Falll Meeting 2021

ProgressBars.jl. A Julia clone of https://pypi.python.org/pypi/tqdm

GeometricMultigrid.jl. High speed Geometric Multigrid in pure Julia

BubbleJets. Jupyter notebook that solves the barotropic QG equations on beta plane using "bubble" small-scale stochastic noise.

first-contributions. 🚀✨ Help beginners to contribute to open source projects

MOM6_Momentum_Budget. Momentum and vorticity budget analysis in MOM6 ocean model

sfc-perturbation-expts. The ocean circulation is driven by a combination of winds and surface buoyancy fluxes. We run a number of experiments with varied surface forcings and look at the spatial variations in ocean circulation on short and long time-scales.

Books.jl. Create books with Julia

carrotColors. A carrot-based color palette you didn't know you needed.

LESbrary.jl. 📚Generating Oceananigans large eddy simulation (LES) data for calibrating parameterizations

Trixi.jl. Trixi.jl: Adaptive high-order numerical simulations of conservation laws in Julia

EnsembleKalmanProcesses.jl. Implements Optimization and approximate uncertainty quantification algorithms, Ensemble Kalman Inversion, and Ensemble Kalman Processes.

lee-wave-solver. Linear 2D solver to find the lee wave field with user defined topography, mean flow, and upper boundary condition.

3D_animations. This repository contains examples of 3D animations generated using Blender.

Zero2Hero-JuliaWorkshop. Intensive Julia workshop that takes you from zero to hero

Emojify.jl. change variable and function names in Julia code to random emoji

PlutoTest.jl. ✔️ Visual, reactive testing library for Julia. Time machine included.

NonlinearDynamicsTextbook. Nonlinear Dynamics: A concise introduction interlaced with code

NeuralPDE.jl. Physics-Informed Neural Networks (PINN) Solvers of (Partial) Differential Equations for Scientific Machine Learning (SciML) accelerated simulation

Physics-Informed-Neural-Networks. Investigating PINNs

siren-pytorch. Pytorch implementation of SIREN - Implicit Neural Representations with Periodic Activation Function