https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.6 2026-03-19T10:41:57.720Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/providers/c2a07368-c030-4045-85e0-8c8b1f60353a CN/NADC Chinese National Antarctic and Arctic Data Center (CN/NADC), is responsible fordata management and data sharing of all the data collected in the ChineseAntarctic and Arctic research expeditions, as one of national members of JCADM.Under the guidance of the polar data policy made by Chinese Antarctic andArctic Administration (CAA, an agency of State Oceanic Administration, China),CN/NADC has completed two main work: the definition of related data standardsand regulations, the development of a web-based platform of data management andutilization.