This function obtains the metadata (i.e., BADM) availability for all or selected AmeriFlux sites. See AmeriFlux page https://ameriflux.lbl.gov/data/badm/ for details about the BADM.
amf_list_metadata(site_set = NULL, group_only = TRUE)A scalar or vector of character specifying the target AmeriFlux Site ID (CC-Sss). If not specified, it returns all sites.
Logical (TRUE/FALSE). Should it return availability for BADM variable groups or variables? BADM Groups contain Variables that describe related metadata or an observation with related metadata.
A data frame of data variable availability (per year) for selected AmeriFlux sites. The first column contains the SITE ID. The remaining columns contains the number of entries for a variable or a variable group, with column names specifying the BADM variable or group names.
Site_ID - Six character site identifier (CC-Sss)
...
if (FALSE) {
# obtain the metadata availability for all sites, at variable group levels
metadata_aval <- amf_list_metadata()
# obtain the metadata availability for selected sites, at variable levels
metadata_aval <- amf_list_metadata(site_set = c("US-CRT","US-WPT"),
group_only = FALSE)
}