Figure 1
Flowchart of data publication on polar science involving the NIPR metadata portal server (http://scidbase.nipr.ac.jp/). Metadata of numerous projects have been registered at each portal site (AMD/GCMD, PIC, etc.). N = number of projects.
Figure 2
Screenshot of the DIAS website (http://www.diasjp.net/en/). Metadata from NIPR are available on the site.
Figure 3
Flowchart to obtain the DOI prefix from DataCite to the PDC/NIPR metadata portal server (http://scidbase.nipr.ac.jp/) via the JaLC gateway interface.
Figure 4
Sample image of the landing page for the DOI attributed metadata in PDC/NIPR portal server (http://scidbase.nipr.ac.jp/).