Wrapper for GEOMAC data extraction pipeline. This function will setup global variables, gather information and urls on data and metadata and download the data.

geomac_extract(
  year_periods = 2016:2018,
  data_folder = "data",
  dat_flag = "geomac",
  data_dl_method = "libcurl",
  url = NULL,
  remove = FALSE,
  metadata_dirname = "metadata"
)

Arguments

year_periods	(numeric) : 1800:1800 (default) array of years to be downloaded
data_folder	(character) : "data" (default) data folder name
dat_flag	(character) : "geomac" (default) name of the data - will appear as data folder name when data are saved
data_dl_method	(character) : "libcurl" (default) data download method
url	(character) : NULL (default) data url - the default one is encoded in the function body
remove	(logical) : FALSE (default) remove .zip file after extraction
metadata_dirname	(character) : "metadata" (default) metadata folder name