Remarks
N-NADC uses Directory Interchange Fomrat -DIF metadata Standard. N-NADC submits metadata directory and information to Portal of Chinese Science and Technology Resource of NSTI and Antarctic Master Directory(AMD) of Global Change Master Directory (GCMD). Since 2003, CN-NADC is a member of SC-ADM (Standing Committee on Antarctic Data Management, http://www.scar.org/data-products/scadm) and it is also a member of the SOOS-DISM (Southern Ocean Observing System, Data Management Sub-Committee) since 2013.