vol2bird is an algorithm that calculates vertical profiles of birds and other biological scatterers from weather radar data. vol2bird is written in C.

See these publications for a description of the methodology:

Bird migration flight altitudes studied by a network of operational weather radars
Dokter AM, Liechti F, Stark H, Delobbe L, Tabary P, Holleman I
J. R. Soc. Interface, 8, 30–43, 2011, DOI 10.1098/rsif.2010.0116

Recent algorithm extensions and integration with the bioRad R package are described here:

bioRad: biological analysis and visualization of weather radar data
Dokter AM, Desmet P, Spaaks JH, van Hoey S, Veen L, Verlinden L, Nilsson C, Haase G, Leijnse H, Farnsworth A, Bouten W, Shamoun-Baranes J.
Ecography, 42, 852-860, 2019, DOI 10.1111/ecog.04028

repository contents

Browse source code at:
https://github.com/adokter/vol2bird

Report a bug at: https://github.com/adokter/vol2bird/issues

data contains two polar volume radar files for testing
doc documentation on ODIM hdf5 data format
docs html pages of this documentation
docker scripts for generating and running a Docker container for vol2bird
doxygen doxygen configuration for generating this documentation
etc contains the user configuration file options.conf. Put your own modified copy in your working directory to run vol2bird with non-default settings.
lib contains the main library
pgfplugin product generation framework (PGF) plugin for the BALTRAD system
pyvol2bird is a python wrapper for the library
src contains main executables for vol2bird (main program) and rsl2odim (converts NEXRAD to ODIM data format)
tests unit tests for pgfplugin

Contributors: Jurriaan H. Spaaks (NLeSC), Lourens Veen (NLeSC), Iwan Holleman (KNMI & Radboud University)