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canVODpy

canvod-vod

PyPI Python License DOI

VOD retrieval from a canopy and a reference GNSS receiver. canvod-vod is a package of canVODpy, an open Python ecosystem for GNSS-Transmissometry canopy VOD retrievals.

What it does

  • Computes vegetation optical depth (VOD) from the signal-to-noise ratios of a canopy receiver and a reference receiver, with the zeroth-order tau-omega model.
  • Aligns both datasets on their shared epochs and signals.
  • Your own VOD calculators can be added as plugins, based on VODCalculator.

Install

uv add canvod-vod

Most users install canvodpy, which includes this package, the command line, and the processing pipeline. canVODpy requires Python 3.14.

Example

from canvod.vod import TauOmegaZerothOrder

# canopy_ds and reference_ds: observations with satellite angles,
# as canvodpy writes them to the GNSS store
vod_ds = TauOmegaZerothOrder.from_datasets(canopy_ds=canopy_ds, sky_ds=reference_ds)

Documentation

How to cite

If you use canVODpy, please cite it with its DOI, 10.5281/zenodo.18496233, which always leads to the newest version. CITATION.cff has the full citation.

License

Apache License 2.0

Metadata

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