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Radiocronologia dos sedimentos do Lago de Constança
(Universidade Estadual Paulista (Unesp), 2009)
The dating of sediments in lakes, estuaries and rivers through radionuclides, when applied in association with other analitic methods (heavy metals, organic contaminants, etc.) allows analyses of the anthropogenic interference ...
A high resolution paleoclimate record for the last 4800 cal. years B.P. on Lake La Brava SE Pampa plains, Argentina
(Elsevier, 2014-11)
Climatic changes are reflected in variations of different parameters. Sequences of lake sediments are good sources of this information because they provide continuous and detailed records of palaeoclimatic changes. In order ...
Palaeolimnology of Lake Hess (Patagonia, Argentina): Multi-proxy analyses of short sediment cores
(Springer, 2009-09)
In contrast with the extensive palaeolimnological studies carried out in North America and Europe, relatively few studies have described the anthropogenic and/or climate impacts in Patagonian lakes. We addressed these ...
Hydrological variability in southeastern Patagonia and explosive volcanic activity in the southern Andean Cordillera during Oxygen Isotope Stage 3 and the Holocene inferred from lake sediments of Laguna Potrok Aike, Argentina
(Elsevier Science, 2008-03)
Seismic reflection studies in the maar lake Laguna Potrok Aike (51°58′ S, 70°23′ W) revealed an erosional unconformity associated with a sub-aquatic lake-level terrace at a water depth of 30m. Radiocarbon-dated, multi-proxy ...
Independent time markers validate Pb-210 chronologies for two shallow Argentine lakes in Southern Pampas
(Pergamon-Elsevier Science Ltd, 2016-08)
We report here the results of detailed 210Pb analysis from two lake sediment cores collected from Lagunas Encadenadas del Oeste (LEO), located in the southern Argentinean Pampas (37°S, 62°W). Non-exponential and non-monotonic ...
Relative palaeointensity and reservoir effect on Lake Esmeralda, Antarctica
(Cambridge University Press, 2017-08)
Four cores from the bottom sediments of Lake Esmeralda, Vega Island, Antarctica (60°48'S, 57°37'W) were studied. Analysis of rock magnetics indicates that the main carriers of magnetization are ferrimagnetic minerals, ...
Bromine as indicator of source of lacustrine sedimentary organic matter in paleolimnological studies
(Academic Press Inc Elsevier Science, 2019-07)
Bromine (Br) to organic matter (OM) concentration ratio is studied in lake sediment sequences to provide information on environmental changes modifying OM production. The sequences studied were extracted from shallow lakes ...
First report on chlorinated pesticide deposition in a sediment core from a small lake in central chileCHEMOSPHERECHEMOSPHERE
(PERGAMON-ELSEVIER SCIENCE LTD,, 2017)
CHEMICAL PROFILES IN LAKE SEDIMENTS IN LAGUNA CHICA DE SAN PEDRO (BIO-BIO REGION, CHILE)
(Sociedad Chilena de Química, 2005)