Radiocarbon-dated multiproxy record of Holocene lacustrine sediments from Laguna Azul, southern Patagonia (Argentina)

Bernd Zolitschka, Michael Fey, Stephanie Janssen, Nora Maidana, Christoph Mayr, Sabine Wulf, Torsten Haberzettl, Andreas Lücke, Christian Ohlendorf & Frank Schäbitz
Multiproxy investigations, including XRF core-scanning, sedimentology, stable isotopes, pollen and diatoms, of lacustrine sediments from Laguna Azul (52 °S) document a superior climatic control on environmental conditions: Position and strength of Southern Hemispheric Westerlies (SHW) have overprinted the lake's ontogeny. SHW influenced local hydroclimatic conditions on millennial to centennial timescales, which impact on water-column stratification as well as on lake-level fluctuations with feedbacks on lakeshore erosion, algal communities, trophic conditions, methanogenesis and authigenic mineral formation....
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