iri2016 1.8.0

IRI2016 International Reference Ionosphere from Python

IRI2016 ionosphere model from Python and Matlab

Python and Matlab interfaces to the International Reference Ionosphere (IRI) 2016 model.

Python

1. Install IRI2016 command-line driver program

   pip install -e .[tests]
   

2. run selftest to ensure install was completed:

   pytest
   

3. try example script e.g. AltitudeProfile.py

Matlab

1. compile Fortran code via matlab/setup_iri2016.m
2. drive the simulation via a seamless command line interface, example: matlab/RunIRI2016.m

Compiler

Any Fortran compiler will do. IRI2016 has been tested with compilers including:

• Gfortran 4.8, 5, 6, 7, 8
• Intel ifort
• PGI pgf90
• Flang flang

If you don't already have a Fortran compiler, install Gfortran by:

• Linux: apt install gfortran
• Mac: brew install gcc
• Windows

Usage

• Height-profile: plot density and temperatures vs altitude
• Latitudinal profile: plot densities and height at the peak of F2, F2, and E regions vs geographic latitude
• GMT profile: plot densities and height at the peak of F2, F2, and E regions vs universal time
• Height vs GMT: plot Ne, Te, and Ti as a function of height and universal time
• Latitude vs Longitude: plot of foF2 a function of geographic latitude and longitude

Matlab / GNU Octave

IRI2016 is readily accessible from Matlab and GNU Octave.

1. From Matlab, verify everything is working by from the iri2016/ directory:

   runtests('tests')
   

2. Use iri2016.m function to access IRI2016 quantities. See RunIRI2016.m for simple example use / plots.

Data files

iri2016/iri2016/data/index/{apf107,ig_rz}.dat are regularly updated. Currently we don't auto-update those.

Direct compilation

These commands are not normally needed unless you want to work with the Fortran code more directly.

Fortran compile

cd bin
cmake ../src

cmake --build .

ctest -V

Notes

• 2016 presentation