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http://purl.org/aida/The%20mean%20Arctic%20Amplification%20ratio%20(Arctic%20OLS%20warming%20trend%20/%20global%20OLS%20warming%20trend,%201979%E2%80%932021)%20was%203.8%20across%20four%20observational%20datasets%20(ERA5,%20GISTEMP%20v4,%20Berkeley%20Earth,%20HadCRUT5),%20indicating%20that%20the%20Arctic%20warmed%20approximately%20four%20times%20faster%20than%20the%20global%20mean. https://w3id.org/sciencelive/np/RAQgvBqSP9q14kmTtzwDXtpoUZCKosM-GvICbQyH1Q7iw http://purl.org/nanopub/x/wasCreatedAt https://platform.sciencelive4all.org https://w3id.org/sciencelive/np/RAQgvBqSP9q14kmTtzwDXtpoUZCKosM-GvICbQyH1Q7iw http://www.w3.org/2000/01/rdf-schema#label AIDA sentence: The mean Arctic Amplification ratio (Arctic OLS warming trend / global OLS warming trend, 1979–2021) was 3.8 across four observational datasets (ERA5, GISTEMP v4, Berkeley Earth, HadCRUT5), indicating that the Arctic warmed approximately four times faster than the global mean. 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