2026-04-09T18:20:24Z https://metadata.iadc.cnr.it/geonetwork/srv/en/oaipmh Italian Arctic Data Center https://metadata.iadc.cnr.it/geonetwork/srv/en/oaipmh 2.0 admin@iadc.cnr.it 2025-05-12T14:24:47Z no YYYY-MM-DDThh:mm:ssZ