{"refrec":{"BRefID":339135,"RR":"<b>Joughin, I.; Shapero, D.; Smith, B.; Dutrieux, P.; Barham, M.</b> (2021). Ice-shelf retreat drives recent Pine Island Glacier speedup. <i>Science Advances 7(24)</i>: eabg3080. <a href=\"https://dx.doi.org/10.1126/sciadv.abg3080\" target=\"_blank\">https://dx.doi.org/10.1126/sciadv.abg3080</a>","BEntID":335770,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Science Advances 7(24)</i>: eabg3080. <a href=\"https://dx.doi.org/10.1126/sciadv.abg3080\" target=\"_blank\">https://dx.doi.org/10.1126/sciadv.abg3080</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Joughin, I.; Shapero, D.; Smith, B.; Dutrieux, P.; Barham, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Joughin, I. <i>et al.</i>","Englishabstract":"Speedup of Pine Island Glacier over the past several decades has made it Antarctica’s largest contributor to sea-level rise. The past speedup is largely due to grounding-line retreat in response to ocean-induced thinning that reduced ice-shelf buttressing. While speeds remained fairly steady from 2009 to late 2017, our Copernicus Sentinel 1A/B–derived velocity data show a >12% speedup over the past 3 years, coincident with a 19-km retreat of the ice shelf. We use an ice-flow model to simulate this loss, finding that accelerated calving can explain the recent speedup, independent of the grounding-line, melt-driven processes responsible for past speedups. If the ice shelf’s rapid retreat continues, it could further destabilize the glacier far sooner than would be expected due to surface- or ocean-melting processes.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Ice-shelf retreat drives recent Pine Island Glacier speedup","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2021,"MonPub":null,"DateUpdate":"2021-06-17","DateCreate":"2021-06-17","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000677572900013","VABBcode":null,"OpenAcc":1,"DOI":"10.1126/sciadv.abg3080"},"refs":null,"anarec":{"AnaID":339135,"PubliDate":2021,"Pagination":"eabg3080","XtraPublOfAnaID":null,"ISBN":null,"Volume":"7","Issue":"24","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":248966,"SerRR":"Science Advances. 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