{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T22:19:20Z","timestamp":1777587560033,"version":"3.51.4"},"reference-count":109,"publisher":"Copernicus GmbH","issue":"12","license":[{"start":{"date-parts":[[2018,12,11]],"date-time":"2018-12-11T00:00:00Z","timestamp":1544486400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clim. Past"],"abstract":"<jats:p>Abstract. Close coupling of Iberian hydroclimate and North Atlantic sea\nsurface temperature (SST) during recent glacial periods has been identified\nthrough the analysis of marine sediment and pollen grains co-deposited on the\nPortuguese continental margin. While offering precisely correlatable records,\nthese time series have lacked a directly dated, site-specific record of\ncontinental Iberian climate spanning multiple glacial cycles as a point of\ncomparison. Here we present a high-resolution, multi-proxy (growth dynamics\nand\n\u03b413C, \u03b418O, and \u03b4234U\nvalues) composite stalagmite record of hydroclimate from two caves in western\nPortugal across the majority of the last two glacial cycles (\u223c220\u2009ka).\nAt orbital and millennial scales, stalagmite-based proxies for hydroclimate\nproxies covaried with SST, with elevated \u03b413C,\n\u03b418O, and \u03b4234U values and\/or growth hiatuses\nindicating reduced effective moisture coincident with periods of lowered SST\nduring major ice-rafted debris events, in agreement with changes in\npalynological reconstructions of continental climate. While in many cases the\nPortuguese stalagmite record can be scaled to SST, in some intervals the\nmagnitudes of stalagmite isotopic shifts, and possibly hydroclimate, appear\nto have been somewhat decoupled from SST.<\/jats:p>","DOI":"10.5194\/cp-14-1893-2018","type":"journal-article","created":{"date-parts":[[2018,12,11]],"date-time":"2018-12-11T02:33:40Z","timestamp":1544495620000},"page":"1893-1913","source":"Crossref","is-referenced-by-count":24,"title":["A stalagmite test of North Atlantic SST and Iberian hydroclimate linkages over the last two glacial cycles"],"prefix":"10.5194","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6346-1221","authenticated-orcid":false,"given":"Rhawn F.","family":"Denniston","sequence":"first","affiliation":[]},{"given":"Amanda N.","family":"Houts","sequence":"additional","affiliation":[]},{"given":"Yemane","family":"Asmerom","sequence":"additional","affiliation":[]},{"given":"Alan D.","family":"Wanamaker Jr.","sequence":"additional","affiliation":[]},{"given":"Jonathan A.","family":"Haws","sequence":"additional","affiliation":[]},{"given":"Victor J.","family":"Polyak","sequence":"additional","affiliation":[]},{"given":"Diana L.","family":"Thatcher","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3036-0392","authenticated-orcid":false,"given":"Setsen","family":"Altan-Ochir","sequence":"additional","affiliation":[]},{"given":"Alyssa C.","family":"Borowske","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9615-2065","authenticated-orcid":false,"given":"Sebastian F. M.","family":"Breitenbach","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9163-3967","authenticated-orcid":false,"given":"Caroline C.","family":"Ummenhofer","sequence":"additional","affiliation":[]},{"given":"Frederico T.","family":"Regala","sequence":"additional","affiliation":[]},{"given":"Michael M.","family":"Benedetti","sequence":"additional","affiliation":[]},{"given":"Nuno F.","family":"Bicho","sequence":"additional","affiliation":[]}],"member":"3145","published-online":{"date-parts":[[2018,12,11]]},"reference":[{"key":"ref1","doi-asserted-by":"crossref","unstructured":"Asmerom, Y., Polyak, V., and Burns, S.: Variable winter moisture in the\nsouthwestern United States linked to rapid glacial climate shifts, Nat.\nGeosci., 3, 114\u2013117, 2010.","DOI":"10.1038\/ngeo754"},{"key":"ref2","doi-asserted-by":"crossref","unstructured":"Baker, A., Ito, E., Smart, P., and McEwan, R.: Elevated and variable values\nof 13C in speleothems in a British cave system, Chem. 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