Function for downloading 20CR v3.
download_20cr(folder_path = ".", domain = "raw", time_res = "monthly")
No return value, called to download the data set.
a character string with the path where the data will be downloaded.
a character string with the desired domain data set. Suitable options are:
"raw" for default available spatial coverage,
"global" for data sets with global (land and ocean) coverage,
"land" for data sets with land only coverage,
"ocean", for data sets with ocean only coverage.
a character string with the desired time resolution. Suitable options are:
"daily",
"monthly",
"yearly".