Prepare SMAP soil moisture profile (SMP) data from the NASA DAAC server for the SDA workflow. The CSV file that works for the `SMAP_SMP_prep` function will be exported.

Usage

Prep.SMAP.CSV.from.DAAC(
  site_info,
  extent,
  from,
  to,
  download.outdir,
  csv.outdir,
  credential_path
)

site_info: list: Bety list of site info including site_id, lon, and lat.
extent: numeric: A vector contains the bounding box that covers all sites (West longitude, East longitude, South latitude ,North latitude).
from: character: the start time for searching the MODIS products.
to: character: the end time for searching the MODIS products.
download.outdir: character: Where the MODIS tiles will be stored.
csv.outdir: character: Where the final CSV file will be stored.
credential_path: Character: physical path to the credential file (.netrc file).

A data frame containing SMP and sd for each site and each time step.

Dongchen Zhang