Download the latest version of the GIMMS NDVI3g file inventory from the NASA Ames Ecological Forecasting Lab (ECOCAST) or NASA Earth Exchange (NEX) Amazon AWS. If none of the specified endpoints is reachable (e.g., if there is no active internet connection), the latest local version of the file inventory is used.
GIMMS NDVI3g.v1 is currently available from ECOCAST until end 2015 and comes
in NetCDF (
.nc4) format. In contrast, NDVI3g.v0 is available as ENVI
binary imagery and available from ECOCAST (NASANEX) until end 2013 (2012)
character vector of online filepaths.
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