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dc.contributor.authorLinderholm, Hans W.
dc.contributor.authorNicolle, Marie
dc.contributor.authorFrancus, Pierre
dc.contributor.authorGajewski, Konrad
dc.contributor.authorHelama, Samuli
dc.contributor.authorKorhola, Atte
dc.contributor.authorSolomina, Olga
dc.contributor.authorYu, Zicheng
dc.contributor.authorZhang, Peng
dc.contributor.authorD'Andrea, William J.
dc.contributor.authorDebret, Maxime
dc.contributor.authorDivine, Dmitry V
dc.contributor.authorGunnarson, Björn E.
dc.contributor.authorLoader, Neil J.
dc.contributor.authorMassei, Nicolas
dc.contributor.authorSeftigen, Kristina
dc.contributor.authorThomas, Elizabeth K.
dc.contributor.authorWerner, Johannes
dc.contributor.authorAndersson, Sofia
dc.contributor.authorBerntsson, Annika
dc.contributor.authorLuoto, Tomi P.
dc.contributor.authorNevalainen, Liisa
dc.contributor.authorSaarni, Saija
dc.contributor.authorVäliranta, Minna
dc.PublishedLinderholm HW, Nicolle, Francus P, Gajewski K, Helama S, Korhola A, Solomina, Yu Z, Zhang P, D'Andrea WJ, Debret, Divine D, Gunnarson BE, Loader NJ, Massei, Seftigen K, Thomas, Werner J, Andersson S, Berntsson A, Luoto TP, Nevalainen L, Saarni, Väliranta M. Arctic hydroclimate variability during the last 2000 years: Current understanding and research challenges. Climate of the Past. 2018;14(4):473-514eng
dc.description.abstractReanalysis data show an increasing trend in Arctic precipitation over the 20th century, but changes are not homogenous across seasons or space. The observed hydroclimate changes are expected to continue and possibly accelerate in the coming century, not only affecting pan-Arctic natural ecosystems and human activities, but also lower latitudes through the atmospheric and ocean circulations. However, a lack of spatiotemporal observational data makes reliable quantification of Arctic hydroclimate change difficult, especially in a long-term context. To understand Arctic hydroclimate and its variability prior to the instrumental record, climate proxy records are needed. The purpose of this review is to summarise the current understanding of Arctic hydroclimate during the past 2000 years. First, the paper reviews the main natural archives and proxies used to infer past hydroclimate variations in this remote region and outlines the difficulty of disentangling the moisture from the temperature signal in these records. Second, a comparison of two sets of hydroclimate records covering the Common Era from two data-rich regions, North America and Fennoscandia, reveals inter- and intra-regional differences. Third, building on earlier work, this paper shows the potential for providing a high-resolution hydroclimate reconstruction for the Arctic and a comparison with last-millennium simulations from fully coupled climate models. In general, hydroclimate proxies and simulations indicate that the Medieval Climate Anomaly tends to have been wetter than the Little Ice Age (LIA), but there are large regional differences. However, the regional coverage of the proxy data is inadequate, with distinct data gaps in most of Eurasia and parts of North America, making robust assessments for the whole Arctic impossible at present. To fully assess pan-Arctic hydroclimate variability for the last 2 millennia, additional proxy records are required.en_US
dc.publisherCopernicus Publications under license by EGUen_US
dc.rightsAttribution CC BYeng
dc.titleArctic hydroclimate variability during the last 2000 years: Current understanding and research challengesen_US
dc.typePeer reviewed
dc.typeJournal article
dc.rights.holderCopyright 2018 The Authorsen_US
dc.source.journalClimate of the Past

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