{"refrec":{"BRefID":352706,"RR":"<b>Heijnen, M.S.; Mienis, F.; Gates, A.R.; Bett, B.J.; Hall, R.A.; Hunt, J.; Kane, I.A.; Pebody, C.; Huvenne, V.A.I.; Soutter, E.L.; Clare, M.A.</b> (2022). Challenging the highstand-dormant paradigm for land-detached submarine canyons. <i>Nature Comm. 13(1)</i>: 3448. <a href=\"https://dx.doi.org/10.1038/s41467-022-31114-9\" target=\"_blank\">https://dx.doi.org/10.1038/s41467-022-31114-9</a>","BEntID":350414,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Nature Comm. 13(1)</i>: 3448. <a href=\"https://dx.doi.org/10.1038/s41467-022-31114-9\" target=\"_blank\">https://dx.doi.org/10.1038/s41467-022-31114-9</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Heijnen, M.S.; Mienis, F.; Gates, A.R.; Bett, B.J.; Hall, R.A.; Hunt, J.; Kane, I.A.; Pebody, C.; Huvenne, V.A.I.; Soutter, E.L.; Clare, M.A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Heijnen, M.S. <i>et al.</i>","Englishabstract":"Sediment, nutrients, organic carbon and pollutants are funnelled down submarine canyons from continental shelves by sediment-laden flows called turbidity currents, which dominate particulate transfer to the deep sea. Post-glacial sea-level rise disconnected more than three quarters of the >9000 submarine canyons worldwide from their former river or long-shore drift sediment inputs. Existing models therefore assume that land-detached submarine canyons are dormant in the present-day; however, monitoring has focused on land-attached canyons and this paradigm remains untested. Here we present the most detailed field measurements yet of turbidity currents within a land-detached submarine canyon, documenting a remarkably similar frequency (6 yr<sup>−1</sup>) and speed (up to 5–8 ms<sup>−1</sup>) to those in large land-attached submarine canyons. Major triggers such as storms or earthquakes are not required; instead, seasonal variations in cross-shelf sediment transport explain temporal-clustering of flows, and why the storm season is surprisingly absent of turbidity currents. As >1000 other canyons have a similar configuration, we propose that contemporary deep-sea particulate transport via such land-detached canyons may have been dramatically under-estimated.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Challenging the highstand-dormant paradigm for land-detached submarine canyons","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-20 01:32:50.985131","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2022,"MonPub":null,"DateUpdate":"2023-02-21","DateCreate":"2022-06-16","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000814803900008","VABBcode":null,"OpenAcc":1,"DOI":"10.1038/s41467-022-31114-9"},"refs":null,"anarec":{"AnaID":352706,"PubliDate":2022,"Pagination":"3448","XtraPublOfAnaID":null,"ISBN":null,"Volume":"13","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":198717,"SerRR":"Nature Communications. 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