{"refrec":{"BRefID":448939,"RR":"<b>Mariotti, A.; BLARD, P.; Charreau, J.; Toucanne, S.; Jorry, S.; Joseph, O.</b> (2026). Extreme Mediterranean rainfall impact on sedimentary routing systems: what can we learn from Storm Alex using in situ detrital <SUP>10</SUP>Be? <i>Geomorphology (Amst.) 492</i>: 110061. <a href=\"https://dx.doi.org/10.1016/j.geomorph.2025.110061\" target=\"_blank\">https://dx.doi.org/10.1016/j.geomorph.2025.110061</a>","BEntID":446777,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":" <i>Geomorphology (Amst.) 492</i>: 110061. <a href=\"https://dx.doi.org/10.1016/j.geomorph.2025.110061\" target=\"_blank\">https://dx.doi.org/10.1016/j.geomorph.2025.110061</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Mariotti, A.; BLARD, P.; Charreau, J.; Toucanne, S.; Jorry, S.; Joseph, O.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Mariotti, A. <i>et al.</i>","Englishabstract":"Understanding how extreme meteorological events influence sediment transport is critical for predicting landscape evolution under a changing climate. Detrital cosmogenic Be-10 can provide insights into sediment dynamics following extreme rainfall, but high-resolution datasets tracking Be-10 variations before and after a storm, alongside long-term records, remain rare. The Var catchment (French Southern Alps) presents a unique case study, as its Be-10 signal was well-documented before the October 2020 Storm Alex (>500 mm of rainfall/24 h), which triggered flash floods, mobilized large sediment volumes, and formed a 10 km-long sediment plume in the Mediterranean Sea. We compare Be-10 concentrations in river sediments collected pre-storm (2016-2018), and at +7 days, +21 days, +4 months, and +7 months post-storm. We also use a historical offshore sample and contextualize these results with a 75 ka-long Be-10 record from deep-sea sediment cores. At the Var outlet, Be-10 concentrations initially increased by similar to 25 % at +7 and +21 days, attributed to the mobilization of Be-10-rich sediments from the upstream Var and Tin & eacute;e sub-catchments. Concentrations returned to pre-storm levels within four months, primarily due to dilution with Be-10-poor sediments from the V & eacute;subie sub-catchment fluvioglacial terraces. While short-term Be-10 fluctuations at the Var outlet reflect complex sediment sourcing, our comparison with the 0-75 ka record confirms that major glaciation events and potential anthropic influences remain distinguishable, demonstrating that Be-10 is a robust proxy of denudation changes, even when extreme events are involved.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Extreme Mediterranean rainfall impact on sedimentary routing systems: what can we learn from Storm Alex using in situ detrital <SUP>10</SUP>Be?","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-10-20 01:38:39.206525","timezone_type":1,"timezone":"+02:00"},"AuthorKeywords":"Heavy precipitation events;Sediment transport;Storm Alex;Cosmogenic(10)Be;long-term erosion;denudation rates;cosmogenic nuclides;temporal variability;flood dynamics;river-basin;catchment;scale;connectivity;landslides","OtherDescriptors":null,"Notes":null,"AnaPub":2026,"MonPub":null,"DateUpdate":"2026-09-28","DateCreate":"2026-09-28","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:001609124700001","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.geomorph.2025.110061"},"refs":null,"anarec":{"AnaID":448939,"PubliDate":2026,"Pagination":"110061","XtraPublOfAnaID":null,"ISBN":null,"Volume":"492","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45973,"SerRR":"Geomorphology. Elsevier: Amsterdam; New York; Oxford; Tokyo.  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