Diatoms as indicators of hydrological and climatic changes in Laguna Potrok Aike (Patagonia) since the Late Pleistocene
Southern South America is a key site to study climate variability in the Southern Hemisphere, allowing for a wide variety of climatic archives. Recently, several investigations using lacustrine sediments have provided an enormous amount of information to reconstruct past environmental changes. In th...
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Elsevier
2015
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| LEADER | 22806caa a22015257a 4500 | ||
|---|---|---|---|
| 001 | PAPER-13992 | ||
| 003 | AR-BaUEN | ||
| 005 | 20230518204426.0 | ||
| 008 | 190411s2015 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-84918575207 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 030 | |a PPPYA | ||
| 100 | 1 | |a Recasens, C. | |
| 245 | 1 | 0 | |a Diatoms as indicators of hydrological and climatic changes in Laguna Potrok Aike (Patagonia) since the Late Pleistocene |
| 260 | |b Elsevier |c 2015 | ||
| 270 | 1 | 0 | |m Recasens, C.; Lamont-Doherty Earth Observatory of Columbia University, 61 Route 9 W, United States |
| 506 | |2 openaire |e Política editorial | ||
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| 504 | |a Sime, L.C., Kohfeld, K.E., Le Quéré, C., Wolff, E.W., de Boer, A.M., Graham, R.M., Bopp, L., Southern hemisphere westerly wind changes during the last glacial maximum: Model-data comparison (2013) Quat. Sci. Rev., 64, pp. 104-120 | ||
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| 504 | |a Waldmann, N., Ariztegui, D., Anselmetti, F.S., Austin, J.A., Moy, C.M., Stern, C., Recasens, C., Dunbar, R.B., Holocene climatic fluctuations and positioning of the Southern Hemisphere westerlies in Tierra del Fuego (54°S), Patagonia (2010) J. Quat. Sci., 25 (7), pp. 1063-1075 | ||
| 504 | |a Waldmann, N., Borromei, A.M., Recasens, C., Olivera, D., Martinez, M.A., Maidana, N.I., Ariztegui, D., Moy, C.M., Integrated reconstruction of Holocene millennial-scale environmental changes in Tierra del Fuego, southernmost South America (2014) Palaeogeogr. Palaeoclimatol. Palaeoecol., 399, pp. 294-309 | ||
| 504 | |a Wille, M., Maidana, N.I., Schäbitz, F., Fey, M., Haberzettl, T., Janssen, S., Lücke, A., Zolitschka, B., Vegetation and climate dynamics in southern South America: The microfossil record of Laguna Potrok Aike, Santa Cruz, Argentina (2007) Rev. Palaeobot. Palynol., 146 (1-4), pp. 234-246 | ||
| 504 | |a Wille, M., Schäbitz, F., Comparison of pollen profiles from Laguna Potrok Aike with the dust proxy from the Antarctic ice core EPICA Dome C (2012) 4th International PASADO Workshop, 27-29 August 2012, Bremen, Germany, pp. 37-38. , PASADO Science Team, Verlag | ||
| 504 | |a Zolitschka, B., Schäbitz, F., Lücke, A., Corbella, H., Ercolano, B., Fey, M., Haberzettl, T., Wille, M., Crater lakes of the Pali Aike Volcanic Field as key sites for paleoclimatic and paleoecological reconstructions in southern Patagonia, Argentina (2006) J. S. Am. Earth Sci., 21 (3), pp. 294-309 | ||
| 504 | |a Zolitschka, B., Anselmetti, F.S., Ariztegui, D., Corbella, H., Francus, P., Ohlendorf, C., Schäbitz, F., The Laguna Potrok Aike Scientific Drilling Project PASADO (ICDP Expedition 5022) (2009) Sci. Drill., 8, pp. 29-34. , PASADO Scientific Drilling Team | ||
| 504 | |a Zolitschka, B., Anselmetti, F., Ariztegui, D., Corbella, H., Francus, P., Lücke, A., Maidana, N.I., Wastegard, S., Environment and climate of the last 51,000years - new insights from the Potrok Aike maar lake sediment archive drilling project (PASADO) (2013) Quat. Sci. Rev., 71, pp. 1-12 | ||
| 520 | 3 | |a Southern South America is a key site to study climate variability in the Southern Hemisphere, allowing for a wide variety of climatic archives. Recently, several investigations using lacustrine sediments have provided an enormous amount of information to reconstruct past environmental changes. In the framework of the Potrok Aike Maar Lake Sediment Archive Drilling Project (PASADO) more than 500. m of sediment cores were retrieved from the center of this lake.This contribution is centered in the diatom record of a core covering over the last 50. cal. ka BP. Nine statistically significant zones were determined based on changes in the assemblages of more than 200 species of diatoms, showing changes in productivity throughout time. Although it appears that the presence of mass waste events may have triggered some peaks in productivity, large fluctuations in diatom abundance and changes in species assemblages coincide with distinctive Antarctic warm events, A2 and A1, described for Antarctic ice cores at around 44.5 and 38.5 kyr BP respectively (Blunier and Brook, 2001). Furthermore, a smaller diatom peak may account for the A3 event compatible with a new OSL-based chronological model. Up to now they have only been described for Antarctica, but the fact that these events are recorded in southern Patagonia indicates their magnitude and importance for climate in the Southern Hemisphere. © 2014 Elsevier B.V. |l eng | |
| 593 | |a Earth and Environmental Sciences, University of Geneva, Rue des Maraîchers 13, CH-1205 Geneva, Switzerland | ||
| 593 | |a Departamento de Biodiversidad y Biología Experimental, FCEyN-UBA, Buenos Aires, Argentina | ||
| 593 | |a Geomorphology and Polar Research (GEOPOLAR), Institute of Geography, University of Bremen, Celsiusstr. FVG-M, Bremen, D-28359, Germany | ||
| 690 | 1 | 0 | |a ANTARCTIC WARM EVENTS |
| 690 | 1 | 0 | |a DIATOMS |
| 690 | 1 | 0 | |a LACUSTRINE SEDIMENTS |
| 690 | 1 | 0 | |a LATE QUATERNARY |
| 690 | 1 | 0 | |a PATAGONIA |
| 690 | 1 | 0 | |a BIOINDICATOR |
| 690 | 1 | 0 | |a CLIMATE VARIATION |
| 690 | 1 | 0 | |a DIATOM |
| 690 | 1 | 0 | |a HYDROLOGICAL CHANGE |
| 690 | 1 | 0 | |a LACUSTRINE DEPOSIT |
| 690 | 1 | 0 | |a MAAR |
| 690 | 1 | 0 | |a PALEOCLIMATE |
| 690 | 1 | 0 | |a PLEISTOCENE |
| 690 | 1 | 0 | |a SOUTHERN HEMISPHERE |
| 690 | 1 | 0 | |a LAGUNA POTROK AIKE |
| 690 | 1 | 0 | |a PATAGONIA |
| 690 | 1 | 0 | |a BACILLARIOPHYTA |
| 651 | 4 | |a ARGENTINA | |
| 651 | 4 | |a SANTA CRUZ [ARGENTINA] | |
| 700 | 1 | |a Ariztegui, D. | |
| 700 | 1 | |a Maidana, N.I. | |
| 700 | 1 | |a Zolitschka, B. | |
| 773 | 0 | |d Elsevier, 2015 |g v. 417 |h pp. 309-319 |p Palaeogeogr. Palaeoclimatol. Palaeoecol. |x 00310182 |w (AR-BaUEN)CENRE-1607 |t Palaeogeography, Palaeoclimatology, Palaeoecology | |
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| 856 | 4 | 0 | |u https://doi.org/10.1016/j.palaeo.2014.09.021 |y DOI |
| 856 | 4 | 0 | |u https://hdl.handle.net/20.500.12110/paper_00310182_v417_n_p309_Recasens |y Handle |
| 856 | 4 | 0 | |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00310182_v417_n_p309_Recasens |y Registro en la Biblioteca Digital |
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