Welcome to pyveg’s documentation!

The pyveg package implements functionality to download and process data from Google Earth Engine (GEE), and analyse images from periodic vegetation patterns (PVP) in arid and semi-arid ecosystems. PVP images are quantified using network centrality metrics. The results of the analysis can be used to search for typical early warning signals of an ecological collapse. Google Earth Engine Editor scripts are also provided to help researchers discover locations of ecosystems which may be in decline.

pyveg is being developed as part of a research project looking for evidence of early warning signals of ecosystem collapse using remote sensing data. pyveg allows such research to be carried out at scale, and hence can be an important tool in understanding changing arid and semi-arid ecosystem dynamics.

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