By Juan Federico Ponce
This booklet is the results of ten years’ of clinical study conducted by way of the authors on Isla de los Estados. The study comprises their doctoral thesis and plenty of released medical papers with regards to the island.
The ebook is split into central components. the 1st half covers diversified social and usual points of this distant island and comprises chapters at the clinical and old history, physiography with topographical and hydrographical descriptions, weather and oceanographic stream, plants and geology (including stratigraphy, structural geology and geological history).
The moment half contains a reconstruction of the paleoenvironmental, paleoclimatic and paleogeographic historical past of the island from the final Glacial greatest to the current, correlating with different paleoecological documents from the southern a part of Isla Grande de Tierra del Fuego and Patagonia. This moment half additionally encompasses a geomorphological bankruptcy with a characterization of the imperative erosive glacial landforms on Isla de los Estados developed through morphometric research, inventories, maps, paleogeographic and glacial versions, and a paleoecological bankruptcy comparing the palaeoenvironment and palaeoclimatic stipulations that prevailed through the overdue Pleistocene-Holocene instances in response to pollen and diatom research from 3 14C-dated peat toilets and lakes. ultimately, the ebook concludes with a evaluation of the island’s archaeology and the connection among the palaeoenvironmental historical past and human career of this island.
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Extra info for Climatic and Environmental History of Isla de los Estados, Argentina
Series B 152:441–447 Deacon GER (1963) The Southern Ocean. In: Hill MN (ed) The Sea, Interscience Publisher, London, 2:281–296 De Fina AL (1972) El clima de la región de los bosques Andino-patagónicos argentinos. In: Dimitri M (ed) La región de los bosques andino-patagónicos. Sinopsis general. Colección científica del INTA (Instituto Nacional de Tecnología Agropecuaria) Buenos Aires 10:35–58 References 23 Dudley TR, Crow GE (1983) A contribution to the Flora and Vegetation of Isla de los Estados (Staaten Island), Tierra del Fuego, American Geophysical Union, Antarctic Research Series, Argentina, vol 37, Washington DC, pp 1–26 Endlicher W, SantanaA (1988) El clima del sur de la Patagonia y sus aspectos ecológicos.
Composite cirques have been seen, that is to say, small cirques developed on the upper parts of larger cirques. This relation, called “cirque-in-cirque” is often related to changes in the position of the permanent snow line after the Last Glacial Maximum. 3 Geomorphology of Isla de los Estados 53 There is no relationship seen between the location of the cirques and the lithological substrate, due to the fact that the elevated zones of the island are almost exclusively represented by tuffs and lavas of the Lemaire Formation with only some minor lithological variations (Caminos and Nullo 1979).
The glaciers of the northern coast, instead, were flowing nested in deep valleys until they reached the extensive plain located north of their mountain sources, a plain that had been covered by the sea during the interglacial periods, as it happens today. There, these ice bodies ended as piedmont glaciers, in an ablation process by simple melting of their terminal portions. 1 Introduction During the Last Glacial Maximum (LGM; ca. 24 cal. ; Rabassa 2008), a large part of Patagonia was covered by glaciers.
Climatic and Environmental History of Isla de los Estados, Argentina by Juan Federico Ponce