Dating of paleolakes in the central altiplano of bolivia

Posted by / 08-Oct-2019 09:03

Dating of paleolakes in the central altiplano of bolivia

Palaeogeography, Palaeoclimatology, Palaeoecology 281 3-4, 180-195.

Late local glacial maximum in the Central Altiplano triggered by cold and locally-wet conditions during the paleolake Tauca episode (17-15 ka, Heinrich 1). Chmeleff, J., von Blanckenburg, F., Kossert, K., Jakob, D. Determination of the 10Be half-life by multicollector ICP-MS and liquid scintillation counting. Geological Society of America Bulletin 117, 1108-1120. The arid Central Andes are a key site to study changes in intensity and movement of the three main atmospheric circulation systems over South America: the South American Summer Monsoon (SASM), the Westerlies and the El Niño Southern Oscillation (ENSO). In this semi-arid to arid region glaciers are particularly sensitive to precipitation changes and thus the timing of past glaciation is strongly linked to changes in moisture supply.

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C., Herbert, T., Rosenthal, Y., Kalansky, J., Altabet, M., Chazen, C., Mojarro, A., Zech, J. Links between eastern equatorial Pacific stratification and atmospheric CO2 rise during the last deglaciation.

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