*Mustapha Mokrane¹、Hugo Wim²、Ingrid Dillo³、Sandra (Sandy) Harrison⁴ (1.ICSU World Data System (ICSU-WDS), National Institute of Information and Communications Technology (NICT), Japan、2.South African Environmental Observatory Network (SAEON), South Africa、3.Data Archiving and Networked Service (DANS), The Netherlands、4.Centre for Past Climate Change at the University of Reading, United Kingdom)