Downloads and unzips the National Land Cover Database http://www.mrlc.gov/nlcd2011.php. Will automatically insert into PEcAn database if database connection provided.
Arguments
- outdir
Directory to download NLCD to
- year
which NLCD year to download. Only 2001 and 2011 are currently supported.
- con
Optional database connection. If specified then the code will check to see if the file already exists in PEcAn before downloading, and will also create a database entry for new downloads